Caster with braked shaft and wheel at once
A simple operating caster is provided, which is braked by simple operation of brake pedal, and by which shaft and wheel are braked at once, as the equipped push-type brake pedal ( 12 ) to solid axle ( 13 ) can be installed always to the outside of bogie ( 11 ) exposed so that composed for the operation of user anytime, and brake and brake release of pivot ( 14 ) and wheel ( 15 ) is performed by the brake pedal ( 12 ) at once. The brake method is operated by brake pedal ( 12 ) and composed of the pivot brake part, and the wheel brake part, which brakes and releases brake of wheel ( 15 ), and pivot brake part and wheel brake part above is operated by push-type brake pedal ( 12 ) at once, and by which brake and brake release of pivot ( 14 ) and wheel ( 15 ) is performed at once, and as the pivot brake part and the wheel brake part is composed of each spring to be elastic-supported and buffered.
1. A caster comprising:
a pivot ( 14 ) in which a pair of wheels ( 15 ) being shaft-installed;
a solid axle ( 13 ) coupled to a top of the pivot ( 14 ) and fixed on a bogie ( 11 );
a brake pedal ( 12 ) shaft-installed at the solid axle ( 13 ) and protruding to one side;
a pivot brake part operated by the brake pedal ( 12 ) and braking the pivot ( 14 );
a wheel brake part operated by brake pedal ( 12 ) and braking the wheel ( 15 ),
wherein the caster is braked at once with the shaft and the wheel ( 15 ),
wherein the pivot brake part comprises:
a plurality of supporting plates ( 27 ) configured for supporting a top portion of a spring ( 26 ) engaging with a fixed body ( 25 ) formed at an upper part and a downward opened part ( 16 );
a pair of shaft holes ( 28 , 29 ) formed at both sides of the cylindrical body ( 18 ) horizontally;
shaft parts ( 30 , 31 ) of the brake pedal ( 12 ), axis-coupled to the pair of shaft holes ( 28 , 29 );
coupling screw slots ( 32 , 33 ) formed at an inside of the shaft parts ( 30 , 31 );
a pair of turning members ( 39 , 40 ) fixed with pieces ( 37 , 38 ) after spline-coupled to the coupling screw slots ( 32 , 33 ) of coupling parts ( 35 , 36 );
working parts ( 41 , 42 ) protruded respectively to a side of the pair of turning members ( 39 , 40 );
extension parts ( 44 , 45 ) extended to one side of a pressuring part ( 43 ) of the brake pedal ( 12 ) and in which the shaft parts ( 30 , 31 ) are formed; and
an opened part ( 46 ) formed between the extension parts ( 44 , 45 ).
2. A caster comprising:
a pivot ( 14 ) in which a pair of wheels ( 15 ) being shaft-installed;
a solid axle ( 13 ) coupled to a top of the pivot ( 14 ) and fixed on a bogie ( 11 );
a brake pedal ( 12 ) shaft-installed at the solid axle ( 13 ) and protruding to one side;
a pivot brake part operated by the brake pedal ( 12 ) and braking the pivot ( 14 );
a wheel brake part operated by brake pedal ( 12 ) and braking a wheel ( 15 ), wherein the caster is braked at once with the shaft and the wheel ( 15 ),
wherein the pivot ( 14 ) comprises:
a cylindrical body ( 48 ) formed with an upward opened part ( 47 );
a bottom part ( 49 ) formed at a lower section of the opened part ( 47 );
a shaft tube ( 50 ) formed at a center of the bottom part ( 49 ) vertically;
a shaft hole ( 51 ) formed at a center of the shaft tube ( 50 ) so as to be axis-coupled to a main shaft ( 20 );
protruded pipes ( 52 , 53 ) formed in a fixed height at a front side and a rear side of the bottom part ( 49 );
springs ( 54 , 55 ) coupled to protruded pipes ( 52 , 53 ) respectively;
coupling holes ( 58 , 59 ) of springs ( 56 , 57 ) formed at both sides of the protruded pipe ( 52 ) to one side;
springs ( 60 , 61 ) inserted to the coupling holes ( 58 , 59 );
a cylindrical shaft member ( 62 ) formed in a lower section of body ( 48 ) vertically and formed lobsidedly;
shaft rods ( 63 , 64 ) fixed at a center of the shaft member ( 62 ) and protruding ambilaterally;
a pair of wheels ( 15 ) axis-coupled to the shaft rods ( 63 , 64 );
a planar part ( 65 ) formed so as to rise in a fixed height of bottom part of the shaft member ( 62 ) so that the wheel ( 15 ) does not touch a bottom;
a spline ( 67 ) formed inside a rim of the wheel ( 15 ) and configured to be separated from or coupled with a spline ( 24 ) of the solid axle ( 13 ) in a fixed pitch;
a wheel brake part coupled with a guide hole ( 73 ), which is formed at a center of the shaft member ( 62 ) lengthwise and performs brake and releasing brake of the wheel ( 15 ) by up and down of the brake pedal ( 12 ); and
a horizontal slot ( 80 ) formed in a lower section of the shaft member ( 62 ), which provides coupling of the C ring ( 22 ) and a washer ( 79 ) so that the main shaft ( 20 ) is not separated from the shaft hole ( 51 ).
3. A caster comprising:
a pivot ( 14 ) in which a pair of wheels ( 15 ) being shaft-installed;
a solid axle ( 13 ) coupled to a top of the pivot ( 14 ) and fixed on a bogie ( 11 );
a brake pedal ( 12 ) shaft-installed at the solid axle ( 13 ) and protruding to one side;
a pivot brake part operated by the brake pedal ( 12 ) and braking the pivot ( 14 );
a wheel brake part operated by brake pedal ( 12 ) and braking a wheel ( 15 ),
wherein the caster is braked at once with the shaft and the wheel ( 15 ), and
further comprising:
a gap ( 14 a ) formed between the solid axle ( 13 ) and the pivot ( 14 ); and
a pair of washers ( 121 , 122 ) on top of each other, each of which preventing friction between ends of a reinforced part ( 120 ) of the main shaft ( 20 ) and a shaft tube ( 50 ) of the pivot ( 14 ) by being coupled to the main shaft ( 20 ).
4. A caster comprising:
a pivot ( 14 ) in which a pair of wheels ( 15 ) being shaft-installed;
a solid axle ( 13 ) coupled to a top of the pivot ( 14 ) and fixed on a bogie ( 11 );
a brake pedal ( 12 ) shaft-installed at the solid axle ( 13 ) and protruding to one side;
a pivot brake part operated by the brake pedal ( 12 ) and braking the pivot ( 14 );
a wheel brake part operated by brake pedal ( 12 ) and braking a wheel ( 15 ),
wherein the caster is braked at once with the shaft and the wheel ( 15 ),
wherein the wheel brake part comprises:
a guide hole ( 73 ) formed in one-way of a rim ( 66 ) of the wheel ( 15 ) from a central part of a plate body ( 68 );
an elevating member ( 74 ) coupling guide slots ( 131 ) on both sides to the guide hole ( 73 ) and elevating up and down by the brake pedal ( 12 );
splines ( 75 , 76 ) formed on both upper sides of the elevating member ( 74 ) and configured for braking or releasing brake of the wheel ( 15 ) by separating from and coupling with the spline ( 67 ) formed on the wheel ( 15 );
a pair of brake members ( 77 , 78 ), left and right, shaft mounted with pivot pins ( 69 , 70 ) on both sides of the plate body ( 68 ) and configured to perform seesaw motion;
elastic-supported parts ( 71 , 72 ), extended from and formed at one-way upper part of the brake members ( 77 , 78 );
a coupling part ( 72 a ) formed upward at ends of the elastic-supported parts ( 71 , 72 );
springs ( 60 , 61 ) coupled to the coupling part ( 71 a ) and protruded pipes ( 82 , 83 ) of a elastic-supporting hole ( 81 ) and configured to let the elastic-supported parts ( 71 , 72 ) to the elastic-support pivot pin ( 69 , 70 ) downward centrically; and
a controlling spring ( 130 ) coupled to a protruded pipe ( 128 ) formed in the rim ( 66 ) and a screw slot ( 129 ) formed in the elevating member ( 74 ), and configured to let the spline ( 75 , 76 ) of the elevating member ( 74 ) not to couple to a spline ( 67 ) of the rim ( 66 ) of the wheel ( 15 ) when non-braked, and
wherein the elastic-supporting hole ( 81 ) comprises:
an air hole ( 87 ) formed at a center of a ring-shaped body ( 86 ) so as to perform uplift movement by coupling to an external surface of the ring-shaped body ( 86 ) and a shaft tube ( 50 );
a stumbling block ( 88 ) protruded upwards at an upper part of the ring-shaped body ( 86 );
a pair of protruded pipes ( 84 , 85 ), front and rear, protruding downwards of the ring-shaped body ( 86 ) and configured to be coupled to upper parts of the springs ( 56 , 57 ) respectively; and
a pair of protruded pipes ( 82 , 83 ), left and right, contacted by upper parts of another springs ( 60 , 61 ) respectively.
5. A caster comprising:
a pivot ( 14 ) in which a pair of wheels ( 15 ) being shaft-installed;
a solid axle ( 13 ) coupled to a top of the pivot ( 14 ) and fixed on a bogie ( 11 );
a brake pedal ( 12 ) shaft-installed at the solid axle ( 13 ) and protruding to one side;
a pivot brake part operated by the brake pedal ( 12 ) and braking the pivot ( 14 );
a wheel brake part operated by brake pedal ( 12 ) and braking a wheel ( 15 ), wherein the caster is braked at once with the shaft and the wheel ( 15 ), and
wherein the pivot ( 14 ) brake part comprises:
a fixed body ( 25 ) fixed on external surface of a main shaft ( 20 );
an elevating body ( 97 ) coupled to external surface of the main shaft ( 20 ) and configured to be elevated up and down by the brake pedal ( 12 ); and
a revolving body ( 90 ) coupled to external surface of the main shaft ( 20 ) to elevate up and down, and braked by elevating body ( 97 ) or being latched by the elevating body ( 97 ) and the fixed body ( 25 ) or released brake while elevating up and down and revolving by the brake pedal ( 12 ).
6. The caster according to claim 5 , wherein the fixed body ( 25 ) comprises:
a protruding body ( 100 ) formed in a lower part;
a tilt part ( 101 ) and a vertical part ( 102 ) formed in a lower section of the body ( 100 ) alternatingly; and
a vertical slot ( 103 ) formed in a longitudinal direction of the main shaft ( 20 ) at an intersection of the tilt part ( 101 ) and the vertical part ( 102 ),
wherein the vertical slot ( 103 ) and a vertical protruding part ( 104 ) are formed with a same interval and in equal number.
7. The caster according to claim 5 , wherein the elevating body ( 97 ) comprises:
an air hole ( 106 ) formed inside a cylindrical body ( 105 ) and coupled to the main shaft ( 20 );
protruded pipes ( 107 , 108 ) formed on external surfaces on both sides of the cylindrical body ( 105 ) symmetrically and pressurized by a turning members ( 39 , 40 ) of the brake pedal ( 12 );
a protruding part ( 111 ) and a screw slot ( 112 ) formed in a lower section of the body ( 105 ) respectively and formed in upper and lower sections where symmetrical tilt surfaces ( 109 , 110 ) meet; and
a plurality of vertical protruding parts ( 113 ) formed inside the air hole ( 106 ) and coupled to the vertical slot ( 103 ) of the fixed body ( 25 ) respectively, while maintaining separation distance, allowed only to elevate up and down.
8. The caster according to claim 5 , wherein the revolving body ( 90 ) comprises:
an air hole ( 116 ) formed inside a cylindrical body ( 115 ) and coupled the with main shaft ( 20 );
a rim ( 91 ) formed in a lower section of the body ( 115 ) and protruding outwards;
a plurality of vertical protruding parts ( 104 ) formed inside the air hole ( 116 ) and configured to brake released in case of being coupled to the vertical slot ( 103 ) of the fixed body ( 25 ) respectively, while maintaining separation distance with the main shaft ( 20 );
a plurality of planar parts ( 117 ) formed at a top end portion of the body ( 115 ) with fixed intervals;
a protruding part protruded by rising over a planar part ( 117 );
Vertical surface ( 118 ), protruded by rising to upward of planar part ( 117 ); and
a tilt surface ( 119 ) tilted in a fixed angle, formed at one side of vertical surface ( 118 ) or stumbled to protruded part ( 111 ), and configured to penetrate into screw slot ( 112 ) of the elevating body ( 97 ).