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. 03, 1996
Filed:
Nov. 17, 1994
Kenji Shinohara, Kyoto, JP;
Shigenobu Kishi, Osaka, JP;
Omron Corporation, Kyoto, JP;
Abstract
In a limit switch, its rotational operation section B includes a rotary shaft 9 which is rotatably supported on a head housing 5, and an actuator 10 for turning the rotary shaft 9, and its switch section C comprises a detector 29 which is built in a switch housing 3, to detect particular detection parts 27a and 27b in a non-contact mode which are provided on the outer cylindrical surface of a cam 25 mounted fixedly on the rotary shaft 9, thereby to provide a detection signal. The head housing 5 and the switch housing 3 are formed as one unit. A limit switch which is simple in construction, has a small number of components in comparison with the conventional limit switch, can be miniaturized, has a long service life, and is reliable in operation, is provided.