Pallets for supporting workpieces and automatic adjustment of pa

Details Pallets for supporting workpieces and automatic adjustment of pa Pallets for supporting workpieces and automatic adjustment of pa

1990-03-08

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, 269 56, B65G 2120

Patent

active

050607804

ABSTRACT:
A pallet having adjustable support members and 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. In one embodiment the support members have a frictional locking mechanism which can be locked in place on the pallet and can be unlocked for movement along the guide. A positioning unit engages the pallet so that the locking mechanism is unlocked and the support members are engaged and translated to the desired locations under the control of a threaded bar. The locking mechanism has a first condition which causes the guide to contact the support members to secure frictionally the support members to the pallet and a second condition which permits the support members to be moved. A positioning unit engages the pallet to translate the support members to the desired locations. The location of the support members may be determined before adjusting the support members for the dimensions of the workpiece to be supported. A device for bringing a pallet and the positioning unit together to make the adjustment is provided.

REFERENCES:
patent: 3880074 (1975-04-01), Seifert
patent: 4014428 (1977-03-01), Ossbahr
patent: 4583631 (1986-04-01), Yonezawa et al.
patent: 4626160 (1986-12-01), Shiomi et al.
patent: 4681212 (1987-07-01), Miller
patent: 4698475 (1987-10-01), Lothenbach et al.
patent: 4789505 (1988-11-01), Tweedy
patent: 4803882 (1989-02-01), Schonfeld et al.
patent: 4844237 (1989-07-01), Petersen

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