Device for inserting spacing strips between boards to be stacked

Details Device for inserting spacing strips between boards to be stacked Device for inserting spacing strips between boards to be stacked

1976-05-27

1978-05-23

Hoffman, Drayton E.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

198484, 214 85G, 221218, B65G 5726

Patent

active

040906183

ABSTRACT:
In order to separate boards of wood or the like from one another in a stack, spacing strips are successively lifted from a hopper by a rising flight conveyor and are accumulated on a generally horizontal extension of that conveyor for consecutive pickup, at predetermined instants of an operating cycle of a stacker, by a transfer mechanism delivering each strip to a passing gripper on a continuously moving transport band overlying the stack. A vertically movable frame beneath the transport band, positioned above a stacking platform, carries a series of unloaders normally projecting into the path of the oncoming strips for dislodging them from their grippers and depositing them on a board already resting on the platform as part of a growing stack. The unloaders can be selectively deactivated to vary the number and/or the spacing of the strips deposited on the top of the stack.

REFERENCES:
patent: 3387720 (1968-06-01), Wilkin
patent: 3388784 (1968-06-01), Gartner
patent: 3575279 (1971-04-01), Buchheit
patent: 3738510 (1973-06-01), Mason
patent: 3823834 (1974-07-01), Rysti

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