Title: Controlled rate linear motion drive

Abstract: This relates to a drive mechanism of the rack and pinion type wherein the length of the rack is less than the required travel and there are plural drive pinions which singly and then sequentially engage the rack. The drive pinions may be driven in any manner, but when a variation in speed is desired in addition to reciprocation, it has been found that a cam type drive will provide the desired mechanical movement. The rack may be beneficially used to effect the controlled movement of a shirred casing strand along a mandrel.

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Other info:

Inventors: Wright, Norbert L. (Park Ridge, IL)
Selusnik, Jerome A. (Chicago, IL)

Application Number: 06/147769
Filing Date: 1980-05-08
Publication_date: 1983-02-15
Assignee: TEE PAK INC

Primary Class(es): 223/28 452/21, 223/30
Other Classes: A22C13/02; A22C13/00; A22C11/02; A41H43/00
US Patent Ref:

1361959	December, 1920	Brewer	223/30
1518670	December, 1924	Noel	223/30
2923447	February, 1960	Ezbelent	223/30
3112516	December, 1963	Bonnee	17/42
3209398	October, 1965	Ziolko	17/42
3454981	July, 1969	Martinek	17/42
3474662	October, 1969	Wilmsen et al.	17/42
3503093	March, 1970	Marbach et al.	17/42
3665771	May, 1972	Blatt	74/29
4068534	January, 1978	Descoteaux et al.	74/27

Other Refs:
Primary Examiner: Rimrodt, Louis
Assistant Examiner:
Attorney: Dunn, Michael L.
Leipold, Paul A.

Claims: