Browse Prior Art Database

Paper Size Indication

IP.com Disclosure Number: IPCOM000084567D
Original Publication Date: 1975-Dec-01
Included in the Prior Art Database: 2005-Mar-02
Document File: 2 page(s) / 39K

Publishing Venue

IBM

Related People

Colglazier, DF: AUTHOR [+4]

Abstract

This paper supply tray, which may be used for example with an office copier, requires that sheets of all various sizes be registered to a common corner, and provides switches which indicate the size paper resident in the tray.

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Paper Size Indication

This paper supply tray, which may be used for example with an office copier, requires that sheets of all various sizes be registered to a common corner, and provides switches which indicate the size paper resident in the tray.

The figure is a top view of the tray, showing common corner 10 to which all size sheets are registered by the human operator as the tray is loaded. Preferably, only one of the various size sheets resides in the tray at any one time. The various sheet sizes have been designated, from smallest to largest, B5, letter, A4, legal and B4.

After the sheets are manually stacked to corner 10, the operator is instructed to move guide 11 to the right, into engagement with the left-hand width portion 12 of the stack. In the figure, B4 size paper is assumed to be in the tray.

Guide 11 includes a rod-like extension 13, U-shaped in cross section, which extends below the bottom of the tray. This guide extension is coupled to cable loop 14, as at 15, and by a spring at 16. The underside of the tray's sheet supporting bottom also mounts idler pulley 17 and idler cam 18. The position of the guide 11, as it moves to the right to engage the left-hand end 12 of the sheet stack, is translated into rotation of cam 18 by cable loop 14.

The tray is loaded with paper after the tray has been pulled out of the associated copier, as by the use of telecopying guide rails, not shown. When the now-loaded tray is pushed back into the copier, as shown,...