Dolly
AssigneeSteck Manufacturing Co., Inc.
InventorGeorge L. Steck
Life of this patent
Estimating the term…
Abstract
A load supporting dolly is provided with foot portions having underlying and spaced apart rounded heads for engaging and seeking a position of stability on an underlying floor and provided with inclined heel portions supporting rollers to which the weight of said dolly can be transferred by tilting said dolly whereupon the dolly may be rolled by means of the rollers to a different operating station. The dolly includes a rectangular frame having side portions cradling jacking means independently operable alternately to progressively advance the load to a desired position. In one embodiment the dolly is adapted for supporting an automobile door which is to be hinged or unhinged. In another embodiment the dolly is adapted to supporting a bumper which is to be attached or detached from an automobile.
Claims11
A dolly for transporting and positioning a load comprising a rectangular frame member having side portions and having brace portions fixed to said side portions and holding said side portions in spaced apart relation, said side portions comprising angle bars each having a closed corner and including friction jack means disposed in said closed corners, each jack means having a jacking rod cradled in its closed corner, foot portions affixed to said frame member and underlying said spaced apart side portions, said foot portions having rounded head portions at the underside thereof for engaging and seeking positions of stability upon an underlying floor to which said head portions transfer the weight of said dolly and any load supported thereby, said foot portions projecting forwardly of said frame and having heel portions projecting rearwardly of said frame and inclined upwardly from said foot portions, and including a roller for each of said heel portions and means mounting said rollers to said portions for rolling movement of said rollers after tilting said frame to transfer the weight of said frame and any load supported thereby to said rollers.
Means for positioning a load comprising a rectangular frame member having side portions and having brace portions fixed to said side portions and holding said side portions in spaced apart relation, said side portions comprising angular bars each having a closed corner, friction jack means disposed in each of said closed corners, each jack means having a jacking rod cradled in its closed corner, each jack means further comprising a first friction plate having an aperture through which a jacking rod passes and having the margins defining said aperture seizingly engagable with said jacking rod when said friction plate is disposed oblique to the axis of said jacking rod, each jack means further including lever means mounted on one of said brace portions for driving said friction plate to an oblique position to lift the jacking rod seized in its aperture, each jack means further including a second friction plate having an aperture through which its jacking rod passes and bias means biasing said second friction plate obliquely of the axis of said jacking rod, holding means affixed to and projecting outwardly from said jacking rods and forwardly of said rectangular frame for holding a load, said load positioning means so constructed and arranged that said load may be positioned by alternate operations of said lever means to raise and horizontally adjust said load.
Dependencies are inferred from the claim text.