Land vehicles – Wheeled – Wheel steering by attendant
Patent
1994-05-13
1996-09-17
Camby, Richard M.
Land vehicles
Wheeled
Wheel steering by attendant
280274, B62B 300
Patent
active
055561179
ABSTRACT:
An improved, attendant propelled cart for the transport of a workload over rugged terrain. The cart has a plurality of ground engaging wheels (52), with a forward ground engaging wheel (18) and a rear ground engaging wheel (64). The ground engaging wheels of the cart are positioned in an approximate in-line wheel arrangement in relation to the normal direction of forward travel in order to provide stability and support the cart, and its workload, fore and aft along the longitudinal plane of the vehicle.
In typical operation, the attendant simply walks beside the rugged terrain cart, while grasping a hand grip set (30) which is mounted on a handle means (36), pushing it along while the cart serves to support the entire weight of the workload. The attendant may easily, efficiently and precisely propel, steer, and maneuver the cart by virtue of said handle means (36), which are interconnected to a rigid forward wheel mounting assembly (72), which mounts said forward ground engaging wheel (18), and interconnects to a rigid frame (74) by a pivot means (50).
The cart has a low center of gravity and enhanced stability by virtue of the large load carrying surface area of the rigid frame (74). An upper load attachment rail (93) and a lower load attachment rail (44) facilitates the attachment and positioning of the workloads, typically self contained carriers, a backpack (12), in a manner which is consistent with this goal. Workloads may also be carried within the rigid frame (74) in a waterproof storage means (98) with access provided by a waterproof access hatch (97).
The rugged terrain cart further has both a brake means (16) and a suspension means (80) which serve to increase the cart's efficiency, safety and comfort in operation.
REFERENCES:
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patent: 2992834 (1961-07-01), Tidwell
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patent: 3236537 (1966-02-01), Eckman
patent: 3243006 (1966-03-01), Sparks
patent: 3375024 (1968-03-01), Bowden
patent: 3554311 (1971-01-01), Thompson et al.
patent: 3820807 (1974-06-01), Curran
patent: 4050615 (1977-09-01), Kline
patent: 4444405 (1984-04-01), Barrus
patent: 4869517 (1989-09-01), Smith
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