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:
Jul. 14, 1987
Filed:
Feb. 20, 1986
Applicant:
Inventor:
William R Stewart, Strathmartine, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
57408 ; 19 97 ; 19112 ; 29110 ; 57406 ; 57407 ; 57411 ;
Abstract
An opening roller assembly for open end spinning machines wherein the roller is releasably and slidably supported on a drive shaft of the open end spinning machine to enable easy removal of the roller for refurbishing, replacement or repair. Non-mechanical means is provided to maintain the roller in an operative position on the drive shaft. Such means may comprise magnetic or fluid pressure means, or gravity. When in its operative position on the shaft, mechanical drive means extending directly or indirectly between the drive shaft and the roller will automatically become engaged. These drive means may be provided by a drive pin or mating engaging surfaces, for example.