Browse Prior Art Database

SELF-TENSIONING DEVICE

IP.com Disclosure Number: IPCOM000027004D
Original Publication Date: 1994-Dec-31
Included in the Prior Art Database: 2004-Apr-07
Document File: 2 page(s) / 67K

Publishing Venue

Xerox Disclosure Journal

Abstract

The self-tensioning device 1 disclosed is contemplated for use as an effective and simple to operate self-tensioner for a drive belt 7. Shown in Figures 1 and 2, the self-tensioning device 1 comprises a belt tensioning mechanism in which tension is applied by a compression spring 3 which acts through a tensioning arm 4.

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XEROX DISCLOSURE JOURNAL

SELF-TENSIONING DEVICE

Classification Proposed R. A. Fink U.S. C1.254/001

Int. C1. B66f OO/OO

1 4

F/G. I

FIG. 2

XEROX DISCLOSURE JOURNAL - Vol. 19, No. 6 Novernber/December 1994 439

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SELF-TENSIONING DEVICE (Cont'd)

The self-tensioning device 1 disclosed is contemplated for use as an effective and simple to operate self-tensioner for a drive belt 7.

Shown in Figures 1 and 2, the self-tensioning device 1 comprises a belt tensioning mechanism in which tension is applied by a compression spring 3 which acts through a tensioning arm 4.

A tension pulley 5 is mounted on a tension arm 4. The tension arm 4 retains the compression spring 3 in its housing 6. The drive belt 7 is installed with the tension arm 4 in its released position (Fig.1) i.e. fixing screw 8 slack and arm 4
latched down. Tension is applied by de-latching the tension arm 4. Correct tension is applied by a combination of spring rate and length of spring pocket
i.e. no measurement by the user is required. When tension has been applied (Fig.2), the fixing screw 8 is tightened. Tension is released by slackening the fixing screw 8 and latching the tension arm 4.

440 XEROX DISCLOSURE jOURNAL - Vol. 19, No. 6 NovembedDecember 1994

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