Title: Drive apparatus for tenter frames

Abstract: The present invention relates to feeding fabric runs into tenter machines of the kind having lead-in rails adapted for movement to follow lateral deviations of the selvage edge of the fabric and, more particularly, to the drive apparatus for laterally moving the lead-in rails including a reversible driving motor carried by the lead-in rail and a capstan member rotatably driven by the driving motor. A cable member is looped around the capstan member having a first end connected on one side of the rail member and a second end connected on the opposite side of the rail member. A sensor means detects the lateral variations in the position of the selvage edge for generating an electrical signal which is then supplied to the driving motor for reversibly driving the capstan member moving the rail member laterally back and forth according to the lateral position of the selvage edge.

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Inventors: Campbell, James W. (Greenville, SC, US)

Application Number: 591057
Filing Date: 1975-06-27
Publication_date: 1976-03-16
Assignee: Campbell; Barbara Cox (Greenville, SC)
Primary Class(es): 26/76
Other Classes:
US Patent Ref:

3150431	Sep, 1964	Fazis	26/57.
3216081	Nov, 1965	Leimer et al.	26/57.
3482750	Dec, 1969	Mohring et al.	26/57.
3670375	Jun, 1972	Cohn et al.	26/57.

Other Refs: 916,86139-16239

Jan, 1963	UK
Oct, 1964	JA

Primary Examiner: Mackey, Robert R.
Assistant Examiner:
Attorney: Bailey & Dority