Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1980-05-19
1982-09-07
Sheridan, Robert G.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
212182, 254323, B60P 148
Patent
active
043481515
ABSTRACT:
A frame assembly is secured within an open topped truck box and includes a pair of side frames and head rack at the front of said truck box. A lifting yoke is mounted on rollers between the side frames and when in the elevated or winching position, it can be rolled along the side frames from a forward position to a rearward position and vice versa and a winch assembly is mounted upon the lifting yoke for loading and unloading items upon or from the truck box. Brake clamps are provided to lock the lifting yoke in position along the side frames. When not in use, the lifting yoke may be stored by pivoting the yoke forwardly until it lies upon the outer sides of the side frame whereupon it is detachably locked to the head rack. By routing the winch cable around pulleys on the yoke and on the side frame assembly, the winch can be used to partially elevate the lifting yoke from the stored position to adjacent the winching position and vice versa.
REFERENCES:
patent: 1464131 (1923-08-01), Goodger
patent: 2292870 (1942-08-01), Dixon
patent: 2616666 (1952-11-01), Honey
patent: 2746619 (1956-05-01), Kuhlenschmidt et al.
patent: 3276610 (1966-10-01), Thatcher
patent: 3341038 (1967-09-01), Wicklund
patent: 3613918 (1971-10-01), Kruschke
patent: 3794192 (1974-02-01), Monson
patent: 3885686 (1975-05-01), Siebring
patent: 3912093 (1975-10-01), Kruschke
Lindrooth Charles H.
Sheridan Robert G.
WGM Safety Corp.
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