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:
Apr. 28, 1987
Filed:
Oct. 02, 1985
Michael Barrett, Rossendale, GB;
William A Tattersall, Accrington, GB;
Dennis O'Donnell, Oldham, GB;
Hollingsworth (UK) Limited, Accrington, GB;
Abstract
A friction spinning apparatus includes a yarn winder and a pair of friction spinning rollers of which one is perforated and provided with a suction slot which is opened and closed on rotation of a piecing lever, means being provided for interconnecting operation of the piecing lever with, on the one hand, restoration of the winding operation and, on the other hand, restoration of fibre feed to the nip between the two friction spinning rollers. Preferably the interconnecting means comprise a pair of cams on the drive shaft linked to the piecing lever and co-operable with respective switches to control drive to the fibre feed roller of the fibre-opening unit and also the package lift mechansim to initiate winding.