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:
Sep. 28, 1982
Filed:
Sep. 05, 1980
Applicant:
Inventors:
Akihiko Inoue, Soma, JP;
Takeo Ito, Soma, JP;
Assignee:
Alps Electric Company, Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ;
U.S. Cl.
CPC ...
2001 / ; 200 / ; 200283 ; 200339 ; 200340 ;
Abstract
A vibration-preventing mechanism for a lock type push button switch eliminates vibration, chattering and vibration noise of a resilient spring contact by forming a projection on each push button.