Apparatus for the automatic adjustment of pallet workpiece suppo

Details Apparatus for the automatic adjustment of pallet workpiece suppo Apparatus for the automatic adjustment of pallet workpiece suppo

1990-04-24

1991-10-29

Dayoan, D. Glenn

Conveyors: power-driven

With means to facilitate working, treating, or inspecting...

Means engaging conveyor or load on a conveyor to align load...

1984652, 19880301, B65G 2120

Patent

active

050607812

ABSTRACT:
An apparatus for automatically adjusting the distance between two support members for carrying workpieces of different dimensions. The support members are mounted on guides that are fitted to pallets that travel on conveyor transport systems for automatic production/assembly lines. The support members have locking devices that frictionally secure the support members in place on the pallet and can be unlocked for movement along the guide. A positioning unit engages the pallet so that the locking devices is unlocked, and the support members are translated, under the control of the drive, to the desired relative position. A device for bringing a pallet and the positioning unit together to make the adjustment are provided. The positioning unit may have two movable carriages and a device for unlocking one or both support members from the guide, and drive for moving one or both of the carriages to slide one or both of the support members along the guides into their desired positions. In an alternate embodiment, the positioning unit may have only one carriage so that only one support member will be moved at a time. The carriages may be driven by a motor that can provide for an infinite number of intermediate positions within the extreme range of positions available.

REFERENCES:
patent: 3880074 (1975-04-01), Seifert
patent: 4492301 (1985-01-01), Inaba et al.
patent: 4557371 (1985-12-01), Yonezawa
patent: 4667804 (1987-05-01), Dubuit et al.
patent: 4787505 (1988-11-01), Tweedy
patent: 4803882 (1989-02-01), Schonfeld et al.

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