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:
Feb. 23, 2021
Filed:
Sep. 25, 2019
Adamant Namiki Precision Jewel Co., Ltd., Tokyo, JP;
Tomohide Aoyagi, Tokyo, JP;
Adamant Namiki Precision Jewel Co., Ltd., Tokyo, JP;
Abstract
A power generation mechanism includes a first movable member, a second movable member, a twisted coil spring, a power generator, and a housing. The first and second movable members are gears. First and second wound parts of the spring are wound around a first center shaft in opposite directions. Initial elastic energies ieand ieare respectively applied to the first and second wound parts, absolute values of ieand iebeing equal. The second movable member is turnable by a force from outside the mechanism, engaging teeth of the first and second movable members together to turn the first movable member. With ieaccumulating on the first wound part and with the teeth disengaged from each other, the first center shaft is turned in an opposite direction by ieto generate power in the power generator. Also, the first center shaft is turned by ieand ie