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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4512268 B1

PDFFull Text
Date of Patent:
Apr. 23, 1985

Filed:

Oct. 26, 1982

Method and apparatus for tensioning and sewing a tubular workpiece

Applicant:
Inventor:

Gunter H Rohr, Hemmingen, DE;

Assignee:

Union Special GmbH, Stuttgart, DE;

Attorneys:

Harbst; John W.

Schaerli; John A.

Primary Examiner:

Werner H Schroeder

Assistant Examiner:

Andrew M Falik

Int. Cl.
CPC ...
D05B / ;
U.S. Cl.
CPC ...
112 63 ; 11212127 ; 1122622 ; 474110 ; 474132 ;
Abstract

An apparatus for supporting and tensioning a tubular workpiece edge such that the edge may be linearly advanced beneath the stitch forming instrumentalities of a sewing machine. The tensioning apparatus includes at least two rotative assemblies which are insertable within the closed loop formation of the workpiece edge. One of the rotative assemblies being connected to a balanced tensioning arm and is adapted for movement between two operative positions in a manner whereby applying a constant circumferential workpiece edge tension on all article sizes.

Find Patent Forward Citations

Rohr, Gunter. (1985). Method and apparatus for tensioning and sewing a tubular workpiece (U.S. Patent No. 4512268). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4512268

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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