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. 27, 1999
Filed:
Feb. 11, 1998
Manabu Kamiya, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A rotary switch device and a tester incorporating the rotary switch device are provided. A dial is rotatably mounted in a casing. Brushes are provided for rotation about a rotation axis of the dial as the dial is rotated. Electrical contacts are brought into sliding contact with the brushes by rotation of the brushes. A click mechanism controls rotation of the dial in a clicking manner. The click mechanism has a waved-surface portion formed in one of the dial and the casing and arranged in a manner concentric with the dial, and at least one click spring portion formed in another of the dial and the casing, for clicking engagement with the waved-surface portion. The at least one click spring portion has a support portion protruding axially of the dial from a base surface of the one of the dial and the casing, and at least one spring portion extending from the support portion along the base surface in a manner concentric with the dial.