Adjustable gate, having multiple guttering systems, multiple impact-absorbing systems, multiple anti-warping systems, multiple anti-sagging systems, multiple personal-injury-eliminating systems, and self-centering angle-locking safety truss

1. An adjustable gate, for discharging rain water, absorbing impact, warping, twisting, sagging forces, and eliminating injuries, comprising:

a plurality of corner gutters,

a plurality of corner-gutter drain holes,

a plurality of tunneled horizontal struts,

a plurality of horizontal-strut tunnels,

a plurality of body gutters,

a plurality of ridged tunneled extension tubes,

a plurality of extension-tube ridges,

a plurality of extension-tube tunnels,

a plurality of vertical tubes,

a plurality of first drain holes,

a plurality of second drain holes,

a plurality of third drain holes,

a plurality of fourth drain holes,

a plurality of fifth drain holes,

a plurality of sixth drain holes,

a plurality of seventh drain holes,

a plurality of eighth drain holes,

two truss holes,

first impact-absorbing anti-warping spring,

second impact-absorbing anti-warping spring,

third impact-absorbing anti-warping spring,

fourth impact-absorbing anti-warping spring

a plurality of screw-head-hiding dimples,

a plurality of corner-gutter screws,

a plurality of extension-tube screws,

a safety truss,

a turnbuckle hook,

a turnbuckle,

a cable hook,

a truss cable,

first truss-cable end,

second truss-cable end,

a self-centering angle-locking truss-cable-end clamp,

a self-centering head,

an angle-locking long wing,

an angle-locking short wing and

a plurality of clamp screws,

wherein,

said vertical tubes have

vertical-tube ends, respectively,

said corner-gutters are welded to

said body-gutters and

said vertical tubes at

said vertical-tube ends, respectively,

said corner-gutter drain holes are cut or drilled into

said vertical tubes and communicate with

said corner-gutters, respectively,

said tunneled horizontal struts have

horizontal-strut ends, respectively,

said horizontal struts are inserted into

said corner-gutters at

said horizontal-strut ends, respectively,

said horizontal-strut tunnels have

horizontal-strut bottoms, respectively,

said horizontal-strut tunnels are cut into and along

said horizontal-strut bottoms, respectively,

said body-gutters are welded to

said corner-gutters and

said vertical tubes at

said opposite vertical-tube ends, respectively,

said ridged tunneled extension tube are inserted into

said body-gutters, respectively,

said extension-tube ridges have

extension-tube bottoms, respectively,

said extension-tube ridges are formed into and along

said extension-tube bottoms, respectively,

said extension-tube tunnels are formed into and along

said extension-tube bottoms, respectively,

said first, second, third, and fourth drain holes are drilled into

said vertical tubes and communicate with

said corner-gutters, respectively,

said fifth, sixth, seventh, eighth drain holes are drilled into

said vertical tubes and communicate with

said body gutters,

said truss holes are drilled into

said vertical tubes, respectively,

said vertical tubes have

vertical-tube inner surfaces, respectively,

said first, second, third, and fourth impact-absorbing anti-warping springs

are diagonally welded to

said vertical-tube inner surfaces, respectively,

said corner gutters have

corner-gutter rear surfaces, respectively,

said screw-head-hiding dimples are formed into

said corner-gutter rear surface, respectively,

said corner-gutter screws have

corner-gutter screw heads, respectively,

said corner-gutter screws are screwed into

said screw-head-hiding dimples and into

said horizontal-strut ends

to hide said corner-gutter screw heads inside

said screw-head-hiding dimples, respectively,

to give said adjustable gate a screw-head-free appearance,

said extension-tube screws have

extension-tube screw heads, respectively,

said extension-tube screws are screwed into

said ridged tunneled extension tubes and into

said tunneled horizontal struts

to hide said extension-tube screw heads inside

said extension-tube tunnels and inside

said horizontal-strut tunnels, respectively,

to give said adjustable gate a screw-head-free appearance,

said turnbuckle hook is hooked into

one of said two truss holes,

said cable hook is screwed in

said turnbuckle,

said truss cable is threaded through

said cable hook,

said first and second truss-cable ends are inserted into

another one of said two truss holes,

said self-centering angle-locking truss-cable-end clamp clamps on

said first and second truss-cable ends,

said self-centering head is molded to

said self-centering angle-locking truss-cable-end clamp,

said self-centering angle-locking truss-cable-end clamp has

two opposite clamp corners,

said angle-locking long and short wings are molded to

said clamp corners, and

said clamp screws are screwed on

said self-centering angle-locking truss-cable-end clamp,

wherein,

said corner gutters are for

leading rain water trapped between

said ridged tunneled extension tubes and

said tunneled horizontal struts to

said first, second, third, and fourth drain holes, respectively,

leading rain water trapped between

said tunneled horizontal struts and

said corner gutters to

said first, second, third, and fourth drain holes, respectively,

discharging rain water trapped between

said ridged tunneled extension tubes and

said tunneled horizontal struts through

said first, second, third, and fourth drain holes, respectively, and

discharging rain water trapped between

said tunneled horizontal struts and

said corner gutters through

said first, second, third, and fourth drain holes, respectively,

said corner-gutter drain holes are for

draining trapped rain water from

said ridged tunneled extension tubes into

said first, second, third, and fourth drain-holes, respectively,

draining trapped rain water from

said tunneled horizontal struts into

said first, second, third, and fourth drain-holes, respectively, and

draining trapped rain water from said corner gutters into

said first, second, third, and fourth drain-holes, respectively,

said horizontal-strut tunnels are for

leading trapped rain water away from

said ridged tunneled extension tubes to

said first, second, third, and fourth drain-holes, respectively,

leading trapped rain water away from

said tunneled horizontal struts to

said first, second, third, and fourth drain-holes, respectively, and

leading trapped rain water away from

said corner gutters to

said first, second, third, and fourth drain-holes, respectively,

said body gutters are for:

leading rain water trapped between

said tunneled horizontal struts and

said ridged tunneled extension tubes to

said fifth, sixth, seventh, and eighth drain holes, respectively,

leading rain water trapped between said ridged tunneled extension tubes and

said body gutters to

said fifth, sixth, seventh, and eighth drain holes, respectively,

discharging rain water trapped between said tunneled horizontal struts and

said ridged tunneled extension tubes through

said fifth, sixth, seventh, and eighth drain holes, respectively, and

discharging rain water trapped between said ridged tunneled extension tubes and

said body gutters through

said fifth, sixth, seventh, and eighth drain holes, respectively,

said ridged tunneled extension tubes are for

adjusting the width of said adjustable gate,

said tunneled horizontal struts are for

adjusting the width of said adjustable gate,

said extension-tube ridges are for

strengthening said ridged tunneled extension tubes, respectively,

said extension-tube tunnels are for

leading trapped rain water away from

said ridged tunneled extension tubes to

said fifth, sixth, seventh, and eighth drain holes, respectively,

leading trapped rain water away from

said tunneled horizontal struts to

said fifth, sixth, seventh, and eighth drain holes, respectively, and

leading trapped rain water away from

said body gutters to

said fifth, sixth, seventh, and eighth drain holes, respectively,

said vertical tubes are for:

draining trapped rain water from

said corner gutters

down to the ground, respectively,

draining trapped rain water from

said body gutters

down to the ground, respectively,

draining trapped rain water from

said ridged tunneled extension tubes

down to the ground, respectively,

draining trapped rain water from

said tunneled horizontal struts

down to the ground, respectively,

draining trapped rain water from

said first, second, third, and fourth drain-holes,

down to the ground, respectively, and

draining trapped rain water from

said fifth, sixth, seventh, and eighth drain holes,

down to the ground, respectively,

said first, second, third, and fourth drain holes are for

draining trapped rain water from said corner gutters

into said vertical tubes and

down to the ground, respectively,

draining trapped rain water from said ridged tunneled extension tubes

into said vertical tubes and

down to the ground, respectively, and

draining trapped rain water from said tunneled horizontal struts

into said vertical tubes and

down to the ground, respectively,

said fifth, sixth, seventh, and eighth drain holes are for

draining trapped rain water from

said body gutters into

said vertical tubes and

down to the ground, respectively,

draining trapped rain water from

said ridged tunneled extension tubes into

said vertical tubes and

down to the ground, respectively, and

draining trapped rain water from

said tunneled horizontal struts into

said vertical tubes and

down to the ground, respectively,

said first, second, third, and fourth impact-absorbing anti-warping springs are for

absorbing bending force exerted on said vertical tubes,

and said adjustable gate, respectively,

absorbing sagging force exerted on said vertical tubes,

and aid adjustable gate, respectively,

resisting impacting force exerted on said vertical tubes,

and said adjustable gate, respectively,

resisting warping force exerted on said vertical tubes,

and said adjustable gate, respectfully,

resisting twisting force exerted on said vertical tubes,

and said adjustable gate, respectfully,

resisting bending force exerted on said vertical tubes,

and said adjustable gate, respectfully,

resisting gravitational force exerted on said vertical tubes,

and said adjustable gate, respectfully,

said corner-gutter screws are for

securing said tunneled horizontal struts to

said corner-gutters, respectively,

said extension-tube screws are for

securing said ridged tunneled extension tubes to

said tunneled horizontal struts, respectively, and

securing said ridged tunneled extension tubes to

said body-gutters, respectively,

said screw-head-hiding dimples are for

hiding said corner-gutter screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said extension-tube tunnels are for

hiding said extension-tube screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said horizontal-strut tunnels are for

hiding said extension-tube screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said safety truss is for

maintaining an original shape of said adjustable gate,

said turnbuckle is for

adjusting the tension of said safety truss,

said self-centering angle-locking truss-cable-end clamp is for

locking said first and second truss-cable ends

inside one of said vertical tubes

to prevent said first and second truss-cable ends

from cutting, scratching, poking, and causing injuries to people,

locking said first and second truss-cable ends

inside one of said vertical tubes,

to protect said first and second truss-cable ends

from weather elements, and

locking said first and second truss-cable ends

in an angle inside one of said vertical tubes,

to easily tension said first and second truss-cable ends,

said self-centering head is for

being inserted in one of said two truss holes

to center said self-centering angle-locking truss-cable-end clamp

in one of said vertical tubes when said safety truss is tensioned,

said angle-locking long wing is for

locking said self-centering angle-locking truss-cable-end clamp

in an angle inside one of said vertical tubes

when said safety truss is tensioned

to easily tension said first and second truss-cable ends, and

locking said first and second truss-cable ends

in an angle inside one of said vertical tubes

to easily tension said first and second truss-cable ends,

said angle-locking short wing is for

locking said self-centering angle-locking truss-cable-end clamp

in an angle inside one of said vertical tubes

to easily tension said first and second truss-cable ends, and

locking said first and second truss-cable ends

in an angle inside one of said vertical tubes

to easily tension said first and second truss-cable ends, and

said clamp screws are for

screwing said self-centering angle-locking truss-cable-end clamp on

said first and second truss-cable ends

to lock said first and second truss-cable ends

in an angle inside one of said vertical tubes.

2. The adjustable gate of claim 1 , wherein, said first, second, third, and fourth impact-absorbing anti-warping springs each have a letter-W-shaped cross-section.

3. The adjustable gate of claim 1 , wherein, said corner gutters and said body gutters each have a cup shape.

4. The adjustable gate of claim 1 , wherein, said horizontal-strut tunnels each have a half-moon shape.

5. The adjustable gate of claim 1 , wherein, said extension-tube tunnels each have a half-moon shape.

6. The adjustable gate of claim 1 , wherein, said first, second, third, fourth, fifth, sixth, seventh, and eighth drain holes each have a shape selected from the group consisting of: a round shape, square shape, a rectangular shape, and an oval shape.

7. The adjustable gate of claim 1 , wherein, said corner gutters, said body gutters, said ridged tunneled extension tubes and said vertical tubes each have a cross-section selected from the group consisting of: round cross-section, square cross-section, rectangular cross-section, and oval cross-section.

8. The adjustable gate of claim 1 , wherein, said self-centering head, said angle-locking long wing, and said angle-locking short wing are molded to said self-centering angle-locking truss-cable-end clamp, in an angle.

9. The adjustable gate of claim 1 , wherein, said corner gutters comprise six gutters, and said tunneled horizontal struts comprise three struts.

10. The adjustable gate of claim 1 , further, comprising gate boards and gate-board screws, said gate-board screws for screwing said gate boards on said tunneled horizontal struts.

11. An adjustable gate, for discharging rain water, comprising:

a plurality of corner gutters,

a plurality of corner-gutter drain holes,

a plurality of tunneled struts,

a plurality of strut tunnels,

a plurality of body gutters,

a plurality of ridged tunneled extension tubes,

a plurality of extension-tube ridges,

a plurality of extension-tube tunnels,

a plurality of vertical tubes,

a plurality of first drain holes,

a plurality of second drain holes,

a plurality of third drain holes,

a plurality of fourth drain holes,

a plurality of fifth drain holes,

a plurality of sixth drain holes,

a plurality of seventh drain holes,

a plurality of eighth drain holes,

two truss holes,

first impact-absorbing anti-warping spring,

second impact-absorbing anti-warping spring,

third impact-absorbing anti-warping spring,

fourth impact-absorbing anti-warping spring,

a plurality of screw-head-hiding dimples,

a plurality of corner-gutter screws,

a plurality of extension-tube screws,

a safety truss,

a turnbuckle hook,

a turnbuckle,

a cable hook,

a truss cable,

first truss-cable end,

second truss-cable end,

a self-centering angle-locking clamp,

a self-centering head,

an angle-locking long wing,

an angle-locking short wing, and

a plurality of clamp screws,

wherein,

said vertical tubes have

vertical-tube ends, respectively,

said corner-gutters are welded to

said body-gutters and

said vertical tubes at

said vertical-tube ends, respectively,

said corner-gutter drain holes are cut or drilled into

said vertical tubes and communicate with

said corner-gutters, respectively,

said tunneled struts have

horizontal-strut ends, respectively,

said horizontal struts are inserted into

said corner-gutters at

said horizontal-strut ends, respectively,

said strut tunnels have

horizontal-strut bottoms, respectively,

said strut tunnels are cut into and along

said horizontal-strut bottoms, respectively,

said body-gutters are welded to

said corner-gutters and

said vertical tubes at

said opposite vertical-tube ends, respectively,

said ridged tunneled extension tube are inserted into

said body-gutters, respectively,

said extension-tube ridges have

extension-tube bottoms, respectively,

said extension-tube ridges are formed into and along

said extension-tube bottoms, respectively,

said extension-tube tunnels are formed into and along

said extension-tube bottoms, respectively,

said first, second, third, and fourth drain holes are drilled into

said vertical tubes and communicate with

said corner-gutters, respectively,

said fifth, sixth, seventh, eighth drain holes are drilled into

said vertical tubes and communicate with

said body gutters,

said truss holes are drilled into

said vertical tubes, respectively,

said vertical tubes have

vertical-tube inner surfaces, respectively,

said first, second, third, and fourth impact-absorbing anti-warping springs

are diagonally welded to

said vertical-tube inner surfaces, respectively,

said corner gutters have

corner-gutter rear surfaces, respectively,

said screw-head-hiding dimples are formed into

said corner-gutter rear surface, respectively,

said corner-gutter screws have

corner-gutter screw heads, respectively,

said corner-gutter screws are screwed into

said screw-head-hiding dimples and into

said horizontal-strut ends

to hide said corner-gutter screw heads inside

said screw-head-hiding dimples, respectively,

to give said adjustable gate a screw-head-free appearance,

said extension-tube screws have

extension-tube screw heads, respectively,

said extension-tube screws are screwed into

said ridged tunneled extension tubes and into

said tunneled struts

to hide said extension-tube screw heads inside

said extension-tube tunnels and inside

said strut tunnels, respectively,

to give said adjustable gate a screw-head-free appearance,

said turnbuckle hook is hooked into

one of said two truss holes,

said cable hook is screwed in

said turnbuckle,

said truss cable is threaded through

said cable hook,

said first and second truss-cable ends are inserted into

another one of said two truss holes,

said self-centering angle-locking clamp clamps on

said first and second truss-cable ends,

said self-centering head is molded to

said self-centering angle-locking clamp,

said self-centering angle-locking clamp has

two opposite clamp corners,

said angle-locking long and short wings are molded to

said clamp corners, and

said clamp screws are screwed on

said self-centering angle-locking clamp,

wherein,

said corner gutters are for

leading rain water trapped between

said ridged tunneled extension tubes and

said tunneled struts to

said first, second, third, and fourth drain holes, respectively,

leading rain water trapped between

said tunneled struts and

said corner gutters to

said first, second, third, and fourth drain holes, respectively,

discharging rain water trapped between

said ridged tunneled extension tubes and

said tunneled struts through

said first, second, third, and fourth drain holes, respectively, and

discharging rain water trapped between

said tunneled struts and

said corner gutters through

said first, second, third, and fourth drain holes, respectively,

said corner-gutter drain holes are for

draining trapped rain water from

said ridged tunneled extension tubes into

said first, second, third, and fourth drain-holes, respectively,

draining trapped rain water from

said tunneled struts into

said first, second, third, and fourth drain-holes, respectively, and

draining trapped rain water from said corner gutters into

said first, second, third, and fourth drain-holes, respectively,

said strut tunnels are for

leading trapped rain water away from

said ridged tunneled extension tubes to

said first, second, third, and fourth drain-holes, respectively,

leading trapped rain water away from

said tunneled struts to

said first, second, third, and fourth drain-holes, respectively, and

leading trapped rain water away from

said corner gutters to

said first, second, third, and fourth drain-holes, respectively,

said body gutters are for:

leading rain water trapped between said tunneled struts and said

ridged tunneled extension tubes to

said fifth, sixth, seventh, and eighth drain holes, respectively,

leading rain water trapped between said ridged tunneled extension tubes and

said body gutters to

said fifth, sixth, seventh, and eighth drain holes, respectively,

discharging rain water trapped between said tunneled struts and

said ridged tunneled extension tubes through

said fifth, sixth, seventh, and eighth drain holes, respectively, and

discharging rain water trapped between said ridged tunneled extension tubes and

said body gutters through

said fifth, sixth, seventh, and eighth drain holes, respectively,

said ridged tunneled extension tubes are for

adjusting the width of said adjustable gate,

said tunneled struts are for

adjusting the width of said adjustable gate,

said extension-tube ridges are for

strengthening said ridged tunneled extension tubes, respectively,

said extension-tube tunnels are for

leading trapped rain water away from said ridged tunneled extension tubes to

said fifth, sixth, seventh, and eighth drain holes, respectively,

leading trapped rain water away from said tunneled struts to

said fifth, sixth, seventh, and eighth drain holes, respectively, and

leading trapped rain water away from said body gutters to

said fifth, sixth, seventh, and eighth drain holes, respectively,

said vertical tubes are for:

draining trapped rain water from

said corner gutters

down to the ground, respectively,

draining trapped rain water from

said body gutters

down to the ground, respectively,

draining trapped rain water from

said ridged tunneled extension tubes

down to the ground, respectively,

draining trapped rain water from

said tunneled struts

down to the ground, respectively,

draining trapped rain water from

said first, second, third, and fourth drain-holes,

down to the ground, respectively, and

draining trapped rain water from

said fifth, sixth, seventh, and eighth drain holes,

down to the ground, respectively,

said first, second, third, and fourth drain holes are for

draining trapped rain water from

said corner gutters

into said vertical tubes and

down to the ground, respectively,

draining trapped rain water from

said ridged tunneled extension tubes

into said vertical tubes and

down to the ground, respectively, and

draining trapped rain water from

said tunneled struts

into said vertical tubes and

down to the ground, respectively,

said fifth, sixth, seventh, and eighth drain holes are for

draining trapped rain water from

said body gutters

into said vertical tubes and

down to the ground, respectively,

draining trapped rain water from

said ridged tunneled extension tubes

into said vertical tubes and

down to the ground, respectively, and

draining trapped rain water from

said tunneled struts

into said vertical tubes and

down to the ground, respectively,

said first, second, third, and fourth impact-absorbing anti-warping springs are for

absorbing impacting force exerted on said vertical tubes

and said adjustable gate, respectively,

absorbing warping force exerted on said vertical tubes,

and said adjustable gate, respectively,

absorbing twisting force exerted on said vertical tubes,

and said adjustable gate, respectively,

absorbing bending force exerted on said vertical tubes,

and said adjustable gate, respectively,

absorbing sagging force exerted on said vertical tubes,

and said adjustable gate, respectively,

resisting impacting force exerted on said vertical tubes,

and adjustable gate, respectively, d

resisting warping force exerted on said vertical tubes,

and said adjustable gate, respectively,

resisting twisting force exerted on said vertical tubes,

and said adjustable gate, respectively,

resisting bending force exerted on said vertical tubes,

and said adjustable gate, respectively,

resisting gravitational force exerted on said vertical tubes,

and said adjustable gate, respectively,

said corner-gutter screws are for

securing said tunneled struts to

said corner-gutters, respectively,

said extension-tube screws are for

securing said ridged tunneled extension tubes to

said tunneled struts, respectively, and

securing said ridged tunneled extension tubes to

said body-gutters, respectively,

said screw-head-hiding dimples are for

hiding said corner-gutter screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said extension-tube tunnels are for

hiding said extension-tube screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said strut tunnels are for

hiding said extension-tube screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said safety truss is for

maintaining an original shape of said adjustable gate,

said turnbuckle is for

adjusting the tension of said safety truss,

said self-centering angle-locking clamp is for

locking said first and second truss-cable ends

inside one of said vertical tubes

to prevent said first and second truss-cable ends

from cutting, scratching, poking, and causing injuries to people,

locking said first and second truss-cable ends

inside one of said vertical tubes,

to protect said first and second truss-cable ends

from weather elements, and

locking said first and second truss-cable ends

in an angle inside one of said vertical tubes,

to easily tension said first and second truss-cable ends,

said self-centering head is for

being inserted in one of said two truss holes

to center said self-centering angle-locking clamp

in one of said vertical tubes when said safety truss is tensioned,

said angle-locking long wing is for

locking said self-centering angle-locking clamp

in an angle inside one of said vertical tubes

when said safety truss is tensioned

to easily tension said first and second truss-cable ends, and

locking said first and second truss-cable ends

in an angle inside one of said vertical tubes

to easily tension said first and second truss-cable ends,

said angle-locking short wing is for

locking said self-centering angle-locking clamp

in an angle inside one of said vertical tubes

to easily tension said first and second truss-cable ends, and

locking said first and second truss-cable ends

in an angle inside one of said vertical tubes

to easily tension said first and second truss-cable ends, and

said clamp screws are for

screwing said self-centering angle-locking clamp on

said first and second truss-cable ends

to lock said first and second truss-cable ends

in an angle inside one of said vertical tubes.

12. The adjustable gate of claim 11 , wherein, said first, second, third, and fourth impact-absorbing anti-warping springs each have a letter-W-shaped cross-section.

13. The adjustable gate of claim 11 , wherein, said corner gutters and said body gutters each have a cup shape.

14. The adjustable gate of claim 11 , wherein, said self-centering head, said angle-locking long wing, and said angle-locking short wing are molded to said self-centering angle-locking clamp, in an angle.

15. The adjustable gate of claim 11 , further, comprising gate boards and gate-board screws, said gate-board screws for screwing said gate boards on said tunneled struts.

16. An adjustable gate comprising:

a plurality of corner gutters,

a plurality of corner-gutter drain holes,

a plurality of struts,

a plurality of body gutters,

a plurality of extension tubes,

a plurality of extension-tube ridges,

a plurality of extension-tube tunnels,

a plurality of vertical tubes,

a plurality of at least one vertical tube drain hole,

two truss holes,

a plurality of dimples,

a plurality of corner-gutter screws,

a plurality of extension-tube screws,

a safety truss,

a turnbuckle hook,

a turnbuckle,

a cable hook,

a truss cable,

first truss-cable end,

second truss-cable end,

a self-centering angle-locking clamp, and

a plurality of clamp screws,

wherein,

said vertical tubes have

vertical-tube ends, respectively,

said corner-gutters are welded to

said body-gutters and

said vertical tubes at

said vertical-tube ends, respectively,

said corner-gutter drain holes are cut or drilled into

said vertical tubes and communicate with

said corner-gutters, respectively,

said struts have

horizontal-strut ends, respectively,

said horizontal struts are inserted into

said corner-gutters at

said horizontal-strut ends, respectively,

said body-gutters are welded to

said corner-gutters and

said vertical tubes at

said opposite vertical-tube ends, respectively,

said ridged tunneled extension tube are inserted into

said body-gutters, respectively,

said extension-tube ridges have

extension-tube bottoms, respectively,

said extension-tube ridges are formed into and along

said extension-tube bottoms, respectively,

said extension-tube tunnels are formed into and along

said extension-tube bottoms, respectively,

said at least one vertical-tube drain hole is cut or drilled into

said vertical tubes, respectively,

said truss holes are cut or drilled into

said vertical tubes, respectively,

said corner gutters have

corner-gutter rear surfaces, respectively,

said dimples are formed into

said corner-gutter rear surface, respectively,

said corner-gutter screws have

corner-gutter screw heads, respectively,

said corner-gutter screws are screwed into

said dimples and into

said horizontal-strut ends

to hide said corner-gutter screw heads inside

said dimples, respectively,

to give said adjustable gate a screw-head-free appearance,

said extension-tube screws have

extension-tube screw heads, respectively,

said extension-tube screws are screwed into

said extension tubes and into

said struts

to hide said extension-tube screw heads inside

said extension-tube tunnels, respectively,

to give said adjustable gate a screw-head-free appearance,

said turnbuckle hook is hooked into

one of said two truss holes,

said cable hook is screwed in

said turnbuckle,

said truss cable is threaded through

said cable hook,

said first and second truss-cable ends are inserted into

another one of said two truss holes,

said self-centering angle-locking clamp clamps on

said first and second truss-cable ends,

said clamp screws are screwed on

said self-centering angle-locking clamp,

wherein,

said corner gutters are for

leading rain water trapped between

said extension tubes and

said struts to

said at least one vertical-tube drain hole, respectively,

leading rain water trapped between

said struts and

said corner gutters to

said at least one vertical-tube drain hole, respectively,

discharging rain water trapped between

said extension tubes and

said struts through

said at least one vertical-tube drain hole, respectively, and

discharging rain water trapped between

said struts and

said corner gutters through

said at least one vertical-tube drain hole, respectively,

said corner-gutter drain holes are for

draining trapped rain water from

said extension tubes into

said at least one vertical-tube drain hole, respectively,

draining trapped rain water from

said struts into

said at least one vertical-tube drain hole, respectively, and

draining trapped rain water from said corner gutters into

said at least one vertical-tube drain hole, respectively,

said body gutters are for:

leading rain water trapped between

said struts and

said extension tubes to

said at least one vertical-tube drain hole, respectively,

leading rain water trapped between

said extension tubes and

said body gutters to

said at least one vertical-tube drain hole, respectively,

discharging rain water trapped between

said struts and

said extension tubes through

said at least one vertical-tube drain hole, respectively, and

discharging rain water trapped between

said extension tubes and

said body gutters through

said at least one vertical-tube drain hole, respectively,

said extension tubes are for

adjusting the width of said adjustable gate,

said struts are for

adjusting the width of said adjustable gate,

said extension-tube ridges are for

strengthening said extension tubes, respectively,

said extension-tube tunnels are for

leading trapped rain water away from said extension tubes to

said at least one vertical-tube drain hole, respectively,

leading trapped rain water away from said struts to

said at least one vertical-tube drain hole, respectively, and

leading trapped rain water away from said body gutters to

said at least one vertical-tube drain hole, respectively,

said vertical tubes are for:

draining trapped rain water from

said corner gutters

down to the ground, respectively,

draining trapped rain water from

said body gutters

down to the ground, respectively,

draining trapped rain water from

said extension tubes

down to the ground, respectively,

draining trapped rain water from

said struts

down to the ground, respectively,

draining trapped rain water from

said at least one vertical-tube drain hole,

down to the ground, respectively, and

draining trapped rain water from

said at least one vertical-tube drain hole,

down to the ground, respectively,

said at least one vertical-tube drain hole is for

draining trapped rain water from

said corner gutters

into said vertical tubes and

down to the ground, respectively,

draining trapped rain water from

said extension tubes

into said vertical tubes and

down to the ground, respectively, and

draining trapped rain water from said struts

into said vertical tubes and

down to the ground, respectively,

draining trapped rain water from

said body gutters

into said vertical tubes and

down to the ground, respectively,

said corner-gutter screws are for

securing said struts to

said corner-gutters, respectively,

said extension-tube screws are for

securing said extension tubes to

said struts, respectively, and

securing said extension tubes to

said body-gutters, respectively,

said dimples are for

hiding said corner-gutter screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said extension-tube tunnels are for

hiding said extension-tube screw heads therein, respectively,

to give said adjustable gate a screw-head-free appearance,

said safety truss is for

maintaining an original shape of said adjustable gate,

said turnbuckle is for adjusting the tension of

said safety truss,

said self-centering angle-locking clamp is for

locking said first and second truss-cable ends

inside one of said vertical tubes

to prevent said first and second truss-cable ends

from cutting, scratching, poking, and causing injuries to people,

locking said first and second truss-cable ends

inside one of said vertical tubes,

to protect said first and second truss-cable ends

from weather elements, and

locking said first and second truss-cable ends

in an angle inside one of said vertical tubes,

to easily tension said first and second truss-cable ends, and

said clamp screws are for

screwing said self-centering angle-locking clamp on

said first and second truss-cable ends

to lock said first and second truss-cable ends

in an angle inside one of said vertical tubes.

17. The adjustable gate of claim 16 , wherein, said corner gutters and said body gutters each have a cup shape.

18. The adjustable gate of claim 16 , wherein, said corner gutters comprise six corner gutters, wherein said struts comprise three struts.

19. The adjustable gate of claim 16 , wherein, said corner gutters, said body gutters, said extension tubes and said vertical tubes each have a cross-section selected from the group consisting of: round cross-section, square cross-section, rectangular cross-section, and oval cross-section.

20. The adjustable gate of claim 16 , further, comprising gate boards and gate-board screws, said gate-board screws for screwing said gate boards on said struts.