초록 ▼

An electric hand truck having positive and negative lift capability. The hand truck can lower objects from stairs, loading docks, or trucks. The hand truck can also lift objects from the floor upward and climb stairs. It has a platform with caster wheels for easy of mobility in tight places. It has

An electric hand truck having positive and negative lift capability. The hand truck can lower objects from stairs, loading docks, or trucks. The hand truck can also lift objects from the floor upward and climb stairs. It has a platform with caster wheels for easy of mobility in tight places. It has brakes and an adjustable tilt with a dolly such that the cargo hauled can be wheeled on the hand trucks main wheels and on the dolly wheels which support the object at an angle. The objects are raised or lowered by an electric motor run on a battery. The switch for the motor is a strip switch running the length of the rail extrusions for ease of access. The hand truck is lightweight and maneuverable. The dolly tilts the rail extrusions are easily adjustable angles to suit the load. Handles attached to the rail extrusions make the hand truck easy to maneuver.

대표청구항 ▼

1. An electric hand truck comprising:a casting, a pair of outer rail extrusions attached to the casting one rail extrusion on either side of the casting, a pair of inner rail extrusions, one slidably attached to the outer rail extrusions, a pair of load arms pivotally attached to the casting such th

1. An electric hand truck comprising:a casting, a pair of outer rail extrusions attached to the casting one rail extrusion on either side of the casting, a pair of inner rail extrusions, one slidably attached to the outer rail extrusions, a pair of load arms pivotally attached to the casting such that the load arms can move between parallel and perpendicular positions relative to the outer rail extrusions, a load plate attached perpendicularly to the lower end of the inner rail extensions for carrying a load, the load plate fitting between the load arms, a means for moving the inner rail extrusions relative to the outer rail extrusions such that the load plate rests on the ground and with the load arms parallel to the load plate the load arms move upward to raise objects from the ground or lower objects to the ground, and with the load arms perpendicular to the load plate and the casing bearing the weight of the hand truck on a support surface the object can be lowered below the casing.