Browse Prior Art Database

RIBBON FEED ROLLS

IP.com Disclosure Number: IPCOM000022825D
Original Publication Date: 1976-Feb-29
Included in the Prior Art Database: 2004-Mar-26
Document File: 2 page(s) / 376K

Publishing Venue

Xerox Disclosure Journal

Abstract

A ribbon cartridge 10 includes a supply reel 18 having a central hub 20 about which is wound a supply of ribbon 21 bearing a desired marking material, such as ink or the like, Hub 20 has a central tubular portion 22 in~ cluding a cylindrical opening 24 therethrough for receiving a fixed shaft 26 in relatively movable relation so that hub 20 is freely rotatable about shaft 26, Shaft 26 extends upwardly from, and the lower end of tubular

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Page 1 of 2

XEROX DISCLOSURE JOURNAL

RIBBON FEED ROLLS
M, G, Plaza

75

Proposed Classification
U.S. Cl, 197
mt. CL B41j

A ribbon cartridge 10 includes a supply reel 18 having
a central hub 20 about which is wound a supply of ribbon
21 bearing a desired marking material, such as ink or
the like, Hub 20 has a central tubular portion 22 in~
cluding a cylindrical opening 24 therethrough for
receiving a fixed shaft 26 in relatively movable relation
so that hub 20 is freely rotatable about shaft 26, Shaft
26 extends upwardly from, and the lower end of tubular

/2

~/G.I

FIG. 2

Volume 1 Number 2 February 1976 43

[This page contains 1 picture or other non-text object]

Page 2 of 2

RIBBON FEED ROLLS (Contd)

portion 22 is adapted to contact, a platform 28 which
itself projects upwardly from the interior surface 30
of bottom portion 16 of the cartridge housing,

The cartridge 10 further includes a take-~up reel 36
which is mounted in housing 12 at a location spaced both
vertically and horizontally from the location of the
supply reel 18, Take-~up reel 36 includes a hub 38 about
which ribbon 21 removed from the supply reel is wound,
A capstan assembly 90 and pulley arrangement 40 cooperate
to transfer ribbon 21 from the supply reel onto the take~~
up reel,

The capstan assembly 90 comprises a main cylindrical
portion 94 which is preferably serrated at two circum~
ferential locations 96 and 98, These locations are aligned
with a pair of serrated rollers 100 and 102 fixedly
supported on opposite sides of a pivot plat...