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:
Jun. 28, 1994
Filed:
May. 11, 1992
Applicant:
Inventors:
Takeshi Shirasaka, Furukawa, JP;
Hiroyasu Takemura, Furukawa, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B71D / ;
U.S. Cl.
CPC ...
72325 ; 29 3 / ; 292435 ; 295661 ;
Abstract
A calking structure wherein a calked member is calked firmly in a fixed member and a jig intended for obtaining the structure are disclosed. Cutting edges 2a, 2b of calking jigs 15, 16 are provided with slant faces 3a or 3b, 3c for subjecting calking pieces 21a, 21b to a torsional deformation with reference to a cut face A from depression, and the calking pieces 21a, 21b are locked to a fixed member 8 as deformed torsionally to a calked member 20.