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Browse Prior Art Database

Ribbon Feeding Device

IP.com Disclosure Number: IPCOM000098093D
Original Publication Date: 1960-Feb-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 42K

Publishing Venue

IBM

Related People

Reed, DW: AUTHOR

Abstract

A ribbon windup spool 10 is driven by a gear train 11 connected to drive motor 12 to effect the feeding of ink ribbon 13 along a line of print. Ribbon 13 as it moves horizontally across the line of print is reciprocated transversely to expose greater transverse surface area to the impact of type elements (not shown).

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Ribbon Feeding Device

A ribbon windup spool 10 is driven by a gear train 11 connected to drive motor 12 to effect the feeding of ink ribbon 13 along a line of print. Ribbon 13 as it moves horizontally across the line of print is reciprocated transversely to expose greater transverse surface area to the impact of type elements (not shown).

Transverse reciprocation of the ribbon is effected by a rotatable face cam 14 driven by gear train 11, a pivoted cam follower 15, and a ribbon guide post 16 mounted on a reciprocable supporting shaft 17. Spring 18 connected to supporting shaft 17 supplies the bias to maintain arm 19 of cam follower 15 in contact with the inclined surface of the face cam. Ridges on guide post 20, near the spool 10, maintain proper alignment of the ribbon during reciprocation.

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