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:
Oct. 09, 2001
Filed:
Jun. 28, 2000
Tatsuya Kato, Miyagi-ken, JP;
Hiroyuki Bannai, Miyagi-ken, JP;
Alps Electric Co., Ltd., Tokyo, JP;
Abstract
An illuminated switch unit according to the present invention is provided with: a case having a recess, a pair of protrusions provided within the recess and holes corresponding to those protrusions; a movable knob housed within the recess of the case, and provided on the protrusions so as to be able to rock or move up and down; a switch capable of bringing a movable contact provided on an elastic member to be driven by the movable knob into and out of contact with a stationary contact; and a substrate having a light source for illuminating the movable knob, wherein the elastic member is provided with light shielding members for preventing the light from the light source from passing through the holes in the case.