초록
A user-propelled vehicle is adapted for use as a ride on vehicle. The user-propelled ride on vehicle has a frame, a rider support platform, a steering column, a front cross member, a rear cross member, and a plurality of a caster assemblies coupled to the front and rear cross members at a front forward tilting angle to the vertical axis.
A user-propelled vehicle is adapted for use as a ride on vehicle. The user-propelled ride on vehicle has a frame, a rider support platform, a steering column, a front cross member, a rear cross member, and a plurality of a caster assemblies coupled to the front and rear cross members at a front forward tilting angle to the vertical axis.
대표
청구항
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1. A user-propelled ride on vehicle, comprising: a frame having a leading end portion and a trailing end portion;a rider support platform coupled to the frame between the leading end portion and the trailing end portion;a steering column rotatably coupled to the leading end portion of the frame;a front cross member coupled to the rotatable steering column, a first portion of the front cross member positioned adjacent a first side of the frame and a second portion of the front cross member positioned adjacent a second side of the frame;a removable rear cr...
1. A user-propelled ride on vehicle, comprising: a frame having a leading end portion and a trailing end portion;a rider support platform coupled to the frame between the leading end portion and the trailing end portion;a steering column rotatably coupled to the leading end portion of the frame;a front cross member coupled to the rotatable steering column, a first portion of the front cross member positioned adjacent a first side of the frame and a second portion of the front cross member positioned adjacent a second side of the frame;a removable rear cross member fixedly coupled to the trailing end portion of the frame, a first portion of the rear cross member positioned adjacent the first side of the frame and a second portion of the rear cross member positioned adjacent the second side of the frame;a first front caster assembly having a first front pivot axle coupled to the first portion of the front cross member at a front forward tilting angle to a vertical axis through the front cross member, the first front pivot axle defining a first front pivot axis, and a first front wheel coupled to the first front pivot axle and rotatable about the first front pivot axis, the first front wheel also rotatable about a first front wheel axis, and a second front caster assembly having a second front pivot axle coupled to the second portion of the front cross member at the front forward tilting angle to the vertical axis through the front cross member, the second front pivot axle defining a second front pivot axis, and a second front wheel coupled to the second front pivot axle and rotatable about the second front pivot axis, the second front wheel also rotatable about a second front wheel axis; and,a first rear caster assembly having a first rear pivot axle coupled to the first portion of the rear cross member at a rear forward tilting angle to a vertical axis through the rear cross member, the first rear pivot axle defining a first rear pivot axis, and a first rear wheel coupled to the first rear pivot axle and rotatable about the first rear pivot axis, the first rear wheel also rotatable about a first rear wheel axis, and a second rear caster assembly having a second rear pivot axle coupled to the second portion of the rear cross member at the rear forward tilting angle to the vertical axis through the rear cross member, the second rear pivot axle defining a second rear pivot axis, and a second rear wheel coupled to the second rear pivot axle and rotatable about the second rear pivot axis, the second rear wheel also rotatable about a second rear wheel axis. 2. The user-propelled ride on vehicle of claim 1, wherein the rider support platform is a seat. 3. The user-propelled ride on vehicle of claim 1, further comprising a seat connected to the rider support platform. 4. The user-propelled ride on vehicle of claim 1, further comprising a footrest positioned over the front cross member, the footrest having a first foot platform adjacent the first side of the frame and a second foot platform adjacent the second side of the frame. 5. The user-propelled ride on vehicle of claim 1, wherein the front cross member is a unitary member. 6. The user-propelled ride on vehicle of claim 1, wherein the rear cross member is a unitary member. 7. The user-propelled ride on vehicle of claim 1, further comprising a collar removably coupled to the trailing end portion of the frame, and the rear cross member coupled to the collar. 8. A user-propelled ride on vehicle, comprising: a frame having a leading end portion and a trailing end portion;a rider support platform coupled to the frame between the leading end portion and the trailing end portion;a steering column rotatably coupled to the leading end portion of the frame;a front cross member coupled to the rotatable steering column, a first portion of the front cross member positioned adjacent a first side of the frame and a second portion of the front cross member positioned adjacent a second side of the frame;a rear cross member fixedly coupled to the trailing end portion of the frame, a first portion of the rear cross member positioned adjacent the first side of the frame and a second portion of the rear cross member positioned adjacent the second side of the frame;a first front caster assembly coupled to the first portion of the front cross member at a front forward tilting angle to a vertical axis through the front cross member, the first front caster assembly having a first front wheel rotatable about a first front pivot axis defined by the front forward tilting angle, and a second front caster assembly coupled to the second portion of the front cross member at the front forward tilting angle to the vertical axis through the front cross member, the second front caster assembly having a second rear wheel rotatable about a second front pivot axis defined by the front forward tilting angle; and,a first rear caster assembly coupled to the first portion of the rear cross member at a rear forward tilting angle to a vertical axis through the rear cross member, the first rear caster assembly having a first rear wheel rotatable about a first rear pivot axis defined by the rear forward tilting angle, and a second rear caster assembly coupled to the second portion of the rear cross member at the rear forward tilting angle to the vertical axis through the rear cross member, the second rear caster assembly having a second rear wheel rotatable about a second rear pivot axis defined by the rear forward tilting angle. 9. The user-propelled ride on vehicle of claim 8, wherein the first front caster assembly has a first front pivot axle coupled to the first portion of the front cross member and extending about the first front pivot axis, wherein the second front caster assembly has a second front pivot axle coupled to the second portion of the front cross member and extending about the second front pivot axis, wherein the first rear caster assembly has a first rear pivot axle coupled to the first portion of the rear cross member and extending about the first rear pivot axis, and wherein the second rear caster assembly has a second rear pivot axle coupled to the second portion of the rear cross member and extending about the second rear pivot axis. 10. The user-propelled ride on vehicle of claim 9, wherein the first front wheel of the first front caster assembly is rotatably coupled to the first front pivot axle, the first front wheel also rotatable about a first front wheel axis, and wherein the second front wheel of the second front caster assembly is rotatably coupled to the second front pivot axle, the second front wheel also rotatable about a second front wheel axis. 11. The user-propelled ride on vehicle of claim 9, wherein the first rear wheel of the first rear caster assembly is rotatably coupled to the first rear pivot axle, the first rear wheel also rotatable about a first rear wheel axis, and wherein the second rear wheel of the second rear caster assembly is rotatably coupled to the second rear pivot axle, the second rear wheel also rotatable about a second rear wheel axis. 12. A user-propelled ride on vehicle, comprising: a frame having a central tubular member having a leading end portion and a trailing end portion;a seat coupled to the central tubular member between the leading end portion and the trailing end portion;a steering column rotatably coupled to the leading end portion of the frame;a steering member attached to a top end of the steering column;a front cross member coupled to the rotatable steering column, a first portion of the front cross member extending outwardly from a first side of the frame and a second portion of the front cross member extending outwardly from a second side of the frame;a first front caster assembly coupled to the first portion of the front cross member at a front forward tilting angle to a vertical axis through the front cross member, the front forward tilting angle defining a first front pivot axis for the first front caster assembly, the first front caster assembly having a first front wheel rotatable about the first front pivot axis, and a second front caster assembly coupled to the second portion of the front cross member at the front forward tilting angle, the front forward tilting angle defining a second front pivot axis for the second front caster assembly, the second front caster assembly having a second front wheel rotatable about the second front pivot axis; and,a first rear wheel coupled to a first portion of the frame adjacent the trailing end portion of the frame, the first rear wheel rotatable about an axis of the first rear wheel, and a second rear wheel coupled to a second portion of the frame adjacent the trailing end portion of the frame, the second rear wheel rotatable about an axis of the second rear wheel. 13. The user-propelled ride on vehicle of claim 12, further comprising a footrest connected to the front cross member, the footrest having a first fixed foot platform adjacent the first side of the frame and a second fixed foot platform adjacent the second side of the frame. 14. The user-propelled ride on vehicle of claim 12, wherein the first front wheel is also rotatable about a first front wheel axis, and wherein the second front wheel is also rotatable about a second front wheel axis. 15. The user-propelled ride on vehicle of claim 12, further comprising a first pivot axle connecting the first rear wheel to the frame, the first pivot axle having a generally vertical axis, wherein the first rear wheel is rotatable about the first pivot axle, and a second pivot axis connecting the second rear wheel to the frame, the second pivot axle having a generally vertical axis, wherein the second rear wheel is rotatable about the second pivot axle. 16. The user-propelled ride on vehicle of claim 12, further comprising a rear cross member fixedly coupled to the trailing end portion of the frame, a first portion of the rear cross member positioned adjacent the first side of the frame and a second portion of the rear cross member positioned adjacent the second side of the frame, wherein the first rear wheel is coupled to the first portion of the rear cross member, and wherein the second rear wheel is coupled to the second portion of the rear cross member. 17. A user-propelled ride on vehicle, comprising: a frame having a leading end portion and a trailing end portion;a rider support platform coupled to the frame between the leading end portion and the trailing end portion;a steering column rotatably coupled to the leading end portion of the frame;a steering member attached adjacent a top end of the steering column;a front cross member connected to the steering column, the front cross member having a footrest, the footrest having a first fixed foot platform adjacent the first side of the frame and a second fixed foot platform adjacent the second side of the frame;a front drive system connected to the front cross member, the front drive system comprising a first caster assembly positioned on a first side of the frame and angled at a front forward tilting angle to a vertical axis to define a first front pivot axis, and a second caster assembly positioned on a second side of the frame and angled at the front forward tilting angle to define a second front pivot axis, the first caster assembly having a first wheel rotatable about the first front pivot axis and also about the first wheel axis, the second caster assembly having a second wheel rotatable about the second front pivot axis and also about the second wheel axis; and,a first rear wheel coupled to the frame adjacent the trailing end portion of the frame and positioned on the first side of the frame, and a second rear wheel coupled to the frame adjacent the trailing end portion of the frame and positioned on the second side of the frame. 18. The user-propelled ride on vehicle of claim 17, further comprising a rear cross member fixedly coupled to the trailing end portion of the frame, wherein the first and second rear wheels are connected to the rear cross member. 19. The user-propelled ride on vehicle of claim 18, wherein the first rear wheel and second rear wheels are positioned at a forward tilting angle to the vertical axis.