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. 11, 1978
Filed:
Nov. 18, 1977
Masao Fukuhara, Nishimuro, JP;
Fukuhara Needle Co., Ltd., Wakayama, JP;
Abstract
A pivoted latch needle having a concave shaped seat formed in the stem portion thereof to receive therein the spoon end of the latch when the latter is moved to its opened position, the shape of the surface of the seat conforming to the curvature of the exterior surface of an arcuate section of a right circular cone the axis of which extends lengthwise of the needle, the curvatures of the surface of the convex side of the spoon end of the latch and of the surface of the seat being similar so that there is surface to surface contact therebetween, and a method of forming the seat by the use of an end milling cutter of cone shape to remove predetermined material from the stem of the needle.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile