Sling seat

1. A sling seat that can be suspended from an overhead, structure of a vehicle, comprising:

a seat bottom cushion;

left and right supports extending upward from the seat bottom cushion for connection with the overhead structure to suspend the seat bottom cushion from the overhead structure;

the length of the left and right supports being adjustable thereby to adjust the vertical position of the seat bottom cushion relative to the overhead structure of the vehicle;

a seat back connected with the seat bottom cushion, the fore and aft position of the seat back being adjustable relative to the seat bottom cushion, the vertical position of the seat back being adjustable relative to the seat bottom cushion.

2. A sling seat as set forth in claim 1 including length adjusters in the left and right supports for adjusting the length of the left and right supports thereby to adjust the vertical position of the seat bottom cushion relative to the overhead structure of the vehicle;

a back support strap extending generally horizontally between the left and right supports and the seat back for resisting movement of the seat back away from the seat bottom cushion when the seat is occupied; and

a length adjuster in the back support strap for adjusting the length of the back support strap thereby to adjust the fore and aft position of the seat back relative to the seat bottom cushion.

3. A sling seat as set forth in claim 2 wherein the seat back is adjustable vertically relative to the back support strap so as to adjust the vertical position of the seat back relative to the seat bottom cushion.

4. A sling seat as set forth in claim 1 including left and right quick release connectors connecting the left and right supports with the overhead structure;

the connectors having a locked condition for supporting the seat and any load therein in a load-bearing manner from the overhead structure;

the connectors being actuatable from the locked condition to a released position for releasing the supports from the overhead structure to enable the seat and any load therein to fall downward away from the overhead structure without lifting the seat closer to the overhead structure or reducing the load that is being carried by the seat.

5. A sling seat as set forth in claim 4 wherein the connectors are quick release snap shackles.

6. A sling seat as set forth in claim 4 including left and right release lanyards that are pullable to actuate the left and right connectors, respectively.

7. A sling seat as set forth in claim 1 including resilient arms that support the seat back in a self-supporting position relative to the seat bottom cushion.

8. A seat that that can be suspended from an overhead structure of a vehicle, comprising:

a seat bottom cushion;

left and right supports extending upward from the seat bottom cushion for connection with the overhead structure to suspend the seat bottom cushion from the overhead structure;

a seat back adjustably connected with the seat bottom cushion; and

left and right quick release connectors connecting the left and right supports with the overhead structure;

the connectors having a locked condition for supporting the seat and any load therein in a load-bearing manner from the overhead structure;

the connectors being actuatable from the locked condition to a released position for releasing the supports from the overhead structure to enable the seat and any load therein to fall downward away from the overhead structure without lifting the seat closer to the overhead structure or reducing the load that is being carried by the seat.

9. A seat as set forth in claim 8 wherein the connectors are quick release snap shackles.

10. A seat as set forth in claim 8 including left and right release lanyards that are pullable to actuate the left and right connectors, respectively.

11. A seat as set forth in claim 8 wherein:

the length of the left and right supports is adjustable thereby to adjust the vertical position of the seat bottom cushion relative to the overhead structure of the vehicle;

the fore and aft position of the seat back is adjustable relative to the seat bottom cushion; and

the position of the seat back is adjustable vertically relative to the seat bottom cushion.

12. A sling seat that that can be suspended from an overhead structure of a vehicle, comprising:

a seat bottom cushion;

left and right supports extending upward from the seat bottom cushion for connection with the overhead structure to suspend the seat bottom cushion from the overhead structure;

the left and right supports being adjustable in length to adjust the vertical position of the seat bottom cushion relative to the overhead structure of the vehicle;

a seat back connected by straps with the seat bottom cushion and being adjustable in its fore and aft position relative to the seat bottom cushion and being adjustable in its vertical position relative to the seat bottom cushion.

left and right quick release connectors connecting the left and right supports with the overhead structure, the connectors being actuatable to a released condition for releasing the supports from the overhead structure to enable the seat and any load therein to fall downward away from the overhead structure without lifting the seat closer to the overhead structure or reducing the load that is being carried by the seat.

13. A sling seat as set forth in claim 12 wherein the connectors have a locked condition for supporting the seat and any load therein in a load-bearing manner from the overhead structure, the connectors being actuatable from the locked condition to the released condition by pulling on at least one lanyard.

14. A sling seat as set forth in claim 13 wherein the straps that connect the seat back with the seat bottom cushion comprise resilient arms that support the seat back in a self-supporting position relative to the seat bottom cushion.

15. A sling seat as set forth in claim 14 wherein all the other straps in the seat are non-resilient fabric straps.

16. A vehicle comprising a rotatable overhead structure having two support brackets, a sling seat suspended from the support brackets, and a port through which an occupant of the sling seat occupant can see out of the vehicle;

the sling seat comprising a seat bottom cushion;

the sling seat comprising left and right supports extending upward from the seat bottom cushion for connection with the overhead structure, the length of the left and right supports being adjustable thereby to adjust the vertical position of the seat bottom cushion relative to the overhead structure of the vehicle; and

the sling seat comprising a seat back connected with the seat bottom cushion, the fore and aft position of the seat back being adjustable relative to the seat bottom cushion, the position of the seat back being adjustable vertically relative to the seat bottom cushion.