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Browse Prior Art Database

Single Cycle Bail Closing Device

IP.com Disclosure Number: IPCOM000045567D
Original Publication Date: 1983-Apr-01
Included in the Prior Art Database: 2005-Feb-07
Document File: 2 page(s) / 44K

Publishing Venue

IBM

Related People

Parks, HM: AUTHOR

Abstract

The present structure represents a single-cycle printer paper bail closing device which operates in a simple and inexpensive manner to automatically close a paper bail on a selected line, e.g., the seventh line of the document to be printed upon in the printer.

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Single Cycle Bail Closing Device

The present structure represents a single-cycle printer paper bail closing device which operates in a simple and inexpensive manner to automatically close a paper bail on a selected line, e.g., the seventh line of the document to be printed upon in the printer.

With reference to the figure, during a closing cycle, the bail arm 10 will move from the closed position to the position shown in the dotted lines and then back to the final closed position which will press the paper bail roller 11 against the platen 12 as platen 12 is driven by drive roller 13 to feed paper 14 in the direction indicated. The paper load cycle starts when the operator inserts paper 14 until the leading edge of the paper stops at the pinch point 15 between the rear feed roller If and the platen 12. The operator then pulls the paper bail knob 8 forward to the dotted line position which in turn rotates the cam 17 in the direction shown through the action of bail link 18. The cam 17 is thus rotated into engagement with drive roller 13.

The operator then advances the paper with multiple index operations to the first writing line, and the printing starts. Accordingly, cam 17 is now being driven by peripheral engagement with drive roller 13 which is mounted on the platen shaft. This drives cam 17 in a counterclockwise direction and causes link 18 to take-up the open slot. As the cam moves approximately 220 degrees, the link starts to return the paper bail and catch...