Wheelbarrow

Details Wheelbarrow Wheelbarrow

2006-11-14

2006-11-14

Vanaman, Frank (Department: 3618)

Land vehicles

Wheeled

Tiltable vehicles, stabilized by attendant or article

Reexamination Certificate

active

07134675

ABSTRACT:
A wheelbarrow comprises a wheeled body in the shape of a sloping shovel having two opposite side walls, a front loading end and a rear receptacle end; a pair of laterally spaced and readwardly extending handles; and a fulcrum mechanism pivotably connected to the wheelbarrow and moveable from a retracted position where the fulcrum mechanism is clearing the ground and an operative position where the fulcrum mechanism is in engagement with the ground and acting as a fulcrum while force is being applied to the handles to swing the front loading end of the body to shovel up a load, with the,fulcrum mechanism assisting in the shovelling action by levering the sloping shovel end forwardly into a load of material.

REFERENCES:
patent: 1617644 (1927-02-01), Littlefield
patent: 2261520 (1941-11-01), Knudtson
patent: 2532966 (1950-12-01), Thomas
patent: 2589325 (1952-03-01), Bachman
patent: 2817538 (1957-12-01), Romang
patent: 4261596 (1981-04-01), Douglas
patent: 4921305 (1990-05-01), Steer
patent: 6050576 (2000-04-01), Tanner et al.
patent: 2289024 (1995-11-01), None
patent: 10-1056 (1998-01-01), None
patent: 2005014366 (2005-02-01), None

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