Material or article handling – Apparatus for moving intersupporting articles into – within,... – Stack forming apparatus
Patent
1992-12-16
1994-10-18
Olszewski, Robert P.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Stack forming apparatus
271209, 271220, 271246, 271242, B65H 5700
Patent
active
053562631
ABSTRACT:
An accumulator for accumulating sheets of material such as sheets of paper, the sheets being of substantially any length and the accumulation being in substantially any order. The accumulator includes a mechanism for moving a sequence of sheets along a first path until the leading edges of the sheets meet a deflector which deflects the sheets onto a second path. The leading portions of the sheets pass through a retraining mechanism and are stopped by a selectively activatable mechanism such as a gate and successive sheets form an accumation at the stop mechanism. As the feed mechanism continues to feed a sheet after it is stopped, the sheet buckles in a direction determined by the angle between the first and second paths, and as the feed mechanism continues to feed the sheet the buckle grows into a loop which unrolls into a receiver, which may be no more than a space provided. As the loop continues to unroll into the receiver and the trailing edge of the sheet is released by the feed mechanism, the trailing edge of the sheet is displaced from the paths, and the next sheet may be fed. Because the trailing edge is displaced from any possible interference with the following sheet, sheets of substantially any length great enough to reach from the feed mechanism to the restraining mechanism can be fed in substantially any order without the possibility of interference between successive sheets.
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patent: 5178379 (1993-01-01), Edwards et al.
Milef Boris
Olszewski Robert P.
Pitney Bowes Inc.
Scolnick Melvin J.
Whisker Robert H.
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