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:
Jan. 14, 2003
Filed:
Aug. 29, 2000
Koichiro Jujo, Chiba, JP;
Seiko Instruments Inc., , JP;
Abstract
A power reserve mechanism has a ratchet wheel having a winding stem, a first winding stem train wheel connected to the winding stem of the ratchet wheel and having a first power reserve wheel, and a barrel member having a winding stem. A spring member is mounted in the barrel member. A second winding stem train wheel independent from the first winding stem train wheel is connected to the winding stem of the barrel member and has a second power reserve wheel. A first indicator is disposed on the first power reserve wheel. A second indicator is disposed on the second power reserve wheel. An amount of spring power stored by the spring member is indicated utilizing a relative variation in movement between the first and second indicators.