Conveyors: power-driven – Conveyor section – Unit load conveying surface means moved about an endless or...
Patent
1987-08-20
1988-12-13
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Unit load conveying surface means moved about an endless or...
1988037, B65G 4900
Patent
active
047904275
ABSTRACT:
Workpieces are supported on pallets which are advanced by a continuously driven power-and-free conveyor adapted to permit each pallet to dwell in a work station when the pallet is stopped in the work station during continued driving of the conveyor. To effect the foregoing, the conveyor includes spaced, spring-loaded clamps which normally grip elongated lips on the pallets in order to advance the pallets. When the pallets are stopped, the clamps slip frictionally along the lips so as to allow the pallets to dwell while driving of the conveyor continues.
REFERENCES:
patent: 3370549 (1968-02-01), Livingston
patent: 3722656 (1973-03-01), Loomis et al.
patent: 3789975 (1974-02-01), Ida et al.
patent: 3931882 (1976-01-01), Ossbahr
patent: 4703843 (1987-11-01), Dixon
patent: 4711343 (1987-12-01), Dixon
Dixon Automatic Tool, Inc.
Valenza Joseph E.
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