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A LAMP CARRIAGE DRIVE SYSTEM

IP.com Disclosure Number: IPCOM000023377D
Original Publication Date: 1977-Aug-31
Included in the Prior Art Database: 2004-Mar-30
Document File: 2 page(s) / 273K

Publishing Venue

Xerox Disclosure Journal

Abstract

In an electrophotographic printing machine, the optical system frequently employs a carriage for supporting a lamp to scan the original document being reproduced. In order to maintain high copy quality it is necessary to prevent jitter and vibra-tion of the carriage as it moves across the original document.

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XEROX DISCLOSURE JOURNAL

A LAMP CARRIAGE DRIVE SYSTEM
Sukumaran K. Menori
Stephen J. Wenthe, Jr.

Proposed Classification
U.S.Cl. 355/3
mt. Ci. G03g 15/00

In an electrophotographic printing machine, the optical system
frequently employs a carriage for supporting a lamp to scan
the original document being reproduced. In order to maintain
high copy quality it is necessary to prevent jitter and vibra-
tion of the carriage as it moves across the original document.

As shown in the drawings, carriage 88 supports scan lamps 24.
A pair of rollers 112 are journaled for rotation on one side of
carriage 88. Rollers 112 are mounted rotatably on downwardly
depending bracket 114 secured to carriage 88. A substantially
U-shaped channel 116 is secured to frame 118 of the printing
machine. Channel 116 extends the length of scan. Roller 112
is mounted in bracket 116. Carriage 88 is supported by ball
slide 119. Bracket 120 is secured to lamp carriage 88 within
slide member 122. Slide member 122 travels the entire length
of scan with bracket 120. Ball bearings 124 extend about 1/2
the length of outer slide member 126. Outer slide member 126
extends the length of scan. Ball bearings 124 move about 1/2
the length of scan. In this manner, the movement of carriage

FIG./

Volume 2 Number 4 July/August 1977 75

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A LAMP CARRIAGE DRIVE SYSTEM (Cont'd)

88 is restricted and jitter prevented. This significantly
reduces the vibration of the scan lamp a...