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.:
Date of Patent:
Aug. 15, 1978
Filed:
Nov. 10, 1977
Heinz Oswald, Winterthur, CH;
Olivier Wust, Seuzach, CH;
Rieter Machine Works Ltd., Winterthur, CH;
Abstract
A chuck device for a tube used for supporting thread packages of textile yarns or threads comprisng a thread severing ring provided with protruding substantially tooth-shaped cutting elements and an adjacent thread guide ring which, for the purpose of guiding the thread in a direction towards the thread severing ring, is provided with a thread guide surface extending beneath the cutting elements and an adjacent extension or projection. The extension has recess means and radially movable clamping means are arranged in the recess means. At the operational rotational speed of the chuck the radially movable clamping means in conjunction with the cutting elements form clamping points or locations for the thread caught therebetween.