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:
Dec. 11, 1990
Filed:
Oct. 11, 1989
Applicant:
Inventor:
Manfred Bollen, Oberuzwil, CH;
Assignee:
Benninger AG, Uzwil, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H / ; D02H / ; D01H / ;
U.S. Cl.
CPC ...
28187 ; 57 80 ; 57 81 ; 57 86 ; 57264 ; 66211 ; 139354 ;
Abstract
A monitoring needle (19) is rotatably mounted under spring tension in a housing (18). A light emitter/light receptor device is fixed to the housing (18) in the plane of the thread (5) and in the pivotal region of the monitoring needle (19), this device producing a control signal both in the case of irregularity in the thread and when crossed by the monitoring needle.