Work transfer assembly

Details Work transfer assembly Work transfer assembly

1980-04-15

1982-03-09

Paperner, Leslie J.

Material or article handling

Self-loading or unloading vehicles

Conveyor

414156, 414525R, 104162, 104172B, 198385, 198586, B65G 2510

Patent

active

043186602

ABSTRACT:
A work transfer assembly including a transfer car movable along a path for transporting a workpiece carrier between separate processing stations positioned along the path. The car includes a push-pull chain made up of a plurality of links with one of the links defined by a pair of spaced support plates having upwardly extending support flanges interconnected by a shaft which rotatably supports a coupler member. The coupler member is a single unitary member having a pair of side plates interconnected by an abutment plate below which is an L-shaped plate defining a hook. The coupler member is rotatably supported for movement between a hook position with the hook in position for hooking a tray for removing the tray from a station and an abutment position with the abutment plate in position for abutting the tray for pushing the tray into the station. The coupler member is counterweighted so that it moves to the hook position and ball detent assemblies are included to retain the coupler member in the abutment position. The coupler member also includes a cam plate extending downwardly centrally thereof for engaging the tooth of a sprocket about which the chain is entrained whereby the sprocket removes the coupler member from the ball detents and rotates the coupler to the hook position.

REFERENCES:
patent: 2940619 (1960-06-01), Schramm et al.
patent: 3504781 (1970-04-01), Lehmann et al.
patent: 3677423 (1972-07-01), Tollefsrod et al.
patent: 3882792 (1975-05-01), McIntier
patent: 4170292 (1979-10-01), Lang

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