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:
Aug. 08, 1978
Filed:
May. 13, 1976
Masuo Ogihara, Chiba, JP;
Kozo Sato, Yatsukaido, JP;
Nobuo Shinozaki, Chiba, JP;
Yuzuru Takazawa, Togane, JP;
Yoichi Seki, Shisui, JP;
Seiko Koki Kabushiki Kaisha, , JP;
Abstract
A driving wheel is mounted on the output shaft of a step motor, and a driven wheel engaging with gear wheels on which pointers are set is driven by said driving wheel. The driving wheel and the drive wheel have respective peripheral portions effective to couple the driving wheel with the driven wheel to rotate the driven wheel as the driving wheel rotates of an angular interval of rotation, and for thereafter disengaging the driving member from the driven member. In order to fix the position of a pointer after the driving wheel has finished rotating the driven wheel, the reversal preventing mechanism acts on the said driven wheel or the driving wheel. The driving wheel is driven by a stepping motor having a rotor which intermittently rotates in one direction through a predetermined angular interval to a rest position. The driven wheel is in turn intermittently rotated by the driving wheel to intermittently change the position of the pointer.