Browse Prior Art Database

Envelope Stacker and Chute

IP.com Disclosure Number: IPCOM000080603D
Original Publication Date: 1974-Jan-01
Included in the Prior Art Database: 2005-Feb-27
Document File: 2 page(s) / 50K

Publishing Venue

IBM

Related People

Munch, PF: AUTHOR

Abstract

It is desirable to provide an envelope stacker with a minimum amount of hardware. Shown is an effective envelope stacking device which does not require moving hardware.

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Envelope Stacker and Chute

It is desirable to provide an envelope stacker with a minimum amount of hardware. Shown is an effective envelope stacking device which does not require moving hardware.

The envelope is guided into an exit chute. The exit chute gives the envelope the proper angle of entrance (horizontal) into the envelope stacker. The envelope stacker is a box having two louvered sides and a height consistent with the maximum number of envelopes to be stacked. The envelope enters the envelope stacker as shown and starts to fall. As the envelope falls, a pressure differential is formed with the higher pressure on the bottom of the envelope. This high pressure is allowed to escape through the louvers. The envelope falls to the bottom of the stacker at a controlled rate, without turning over or landing on end.

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