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.

Date of Patent:
Aug. 20, 1985

Filed:

Oct. 25, 1982
Applicant:
Inventors:

Peter Baertschi, Kriens, CH;

Kurt Wetter, Weinfelden-Hagenbuch, CH;

Felix Graf, Winterthur, CH;

Assignee:

Rieter Machine Works, Ltd., Winterthur, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02J / ;
U.S. Cl.
CPC ...
28245 ;
Abstract

A draw-roll assembly is movable downwardly on guide rods from a working position into a filament take-up position. A slightly heavier counter weight connected with the draw-roll assembly by means of a cable ensures that the draw-roll assembly stays in the upper position even upon failure of a pneumatic control and also that the movement forces are limited substantially to the difference between the weights. An electro-pneumatic control controls the movement speed of the draw-roll assembly from the filament take up position into the working position.


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Baertschi, Peter. (1985). Draw-roll assembly (U.S. Patent No. 4535515). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4535515

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

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