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. 23, 2013
Filed:
Jan. 28, 2011
Toshiyuki Fujiwara, Chiba, JP;
Tamotsu Ono, Chiba, JP;
Shigeo Suzuki, Chiba, JP;
Masayuki Kawata, Chiba, JP;
Toshiyuki Fujiwara, Chiba, JP;
Tamotsu Ono, Chiba, JP;
Shigeo Suzuki, Chiba, JP;
Masayuki Kawata, Chiba, JP;
Seiko Instruments Inc., , JP;
Abstract
A chronograph timepiece includes heart cams, a start-stop button, a reset-to-zero button, and a start-stop lever and a reset-to zero instruction lever operated by the start-stop button and the reset-to-zero button, respectively, for undergoing rotation around a common rotation center. A hammer operating lever rotates in a first direction when the start-stop lever rotates and rotates in a second direction when the reset-to-zero instruction lever rotates. When the hammer operating lever rotates in the second direction, a hammer lever causes the heart cams to be reset to zero by bringing hammer portions of the hammer lever into engagement with respective ones of the heart cams. When the hammer operating lever rotates in the first direction, the hammer lever causes the hammer portions to be disengaged from the heart cams.