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:
Feb. 18, 1992
Filed:
Feb. 28, 1990
Applicant:
Inventor:
Kenji Baba, Kyoto, JP;
Assignee:
Murata Kikai Kabushiki Kaisha, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ;
U.S. Cl.
CPC ...
242 / ; 242 / ;
Abstract
The present invention provides a yarn traversing device for traversing a yarn by reciprocating first and second yarn guides respectively along first and second helical cam grooves, comprising a helical cam roller provided with the first and second helical cam grooves each consisting of a substantially linear active traverse groove and a return traverse groove having two curved reversing sections connected respectively to the opposite ends of the active traverse groove. The first and second yarn guides engage the first and second helical cam grooves, respectively, and are disposed one above the other with respect to the running direction of the yarn.