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Browse Prior Art Database

Photoconductor Belt Pull-Out for Easy Belt Changing

IP.com Disclosure Number: IPCOM000045016D
Original Publication Date: 1983-Jan-01
Included in the Prior Art Database: 2005-Feb-06
Document File: 2 page(s) / 64K

Publishing Venue

IBM

Related People

Gibson, DK: AUTHOR [+2]

Abstract

Access for installation/removal of closed-loop belts over mounting capstan rollers is facilitated by a slide-out arrangement including three or more longitudinal bearing channels between an intermediate slide member which interfaces with both the belt-mounting capstan and the fixed internal machine elements. The device is particularly useful to permit easy replacement/installation of closed-loop photoconductor belts in xerographic or electrophotographic copier/printer devices.

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Photoconductor Belt Pull-Out for Easy Belt Changing

Access for installation/removal of closed-loop belts over mounting capstan rollers is facilitated by a slide-out arrangement including three or more longitudinal bearing channels between an intermediate slide member which interfaces with both the belt-mounting capstan and the fixed internal machine elements. The device is particularly useful to permit easy replacement/installation of closed-loop photoconductor belts in xerographic or electrophotographic copier/printer devices.

In Fig. 1, main machine frame 10 has a stationary casting 12 secured thereto and a slide assembly 15 which includes a casting or capstan 16 for movably mounting a closed-loop photoconductor belt or sleeve. Support casting 12 is rigidly attached to frame 10. Support rail 20 and guide rail 21 are rigidly attached to base 12. Photoconductor capstan mount or casting 16 is movable to its extended position, as shown in Fig. 1, by means of guide rail 21, intermediate tube 25 and ball bearings 26 which are retained in longitudinal grooves in casting
16. Bearings 26 preferably are steel, durable plastic such as nylon, or the like. They are separated by rod spacers (not shown) or by employing a number of rolls. They are retained within the grooves by stops (not shown).

As seen in Fig. 2, ball rollers 26 are located in triangularly spaced grooves, as shown, to provide maximum stability and minimum side play. Grooves for balls 26 are located in casting 16, as shown, to conserve space. Interme...