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:
May. 22, 1990
Filed:
Oct. 24, 1988
Mikio Honma, Yokohama, JP;
Ohi Seisakusho Co., Ltd., Yokohama, JP;
Abstract
Disclosed herein is a one-way transmission device, which comprises a housing having a cylindrical inner wall formed therein; a first coil spring coaxially received in the housing and resiliently pressed at its outer periphery against the cylindrical inner wall, the first coil spring having first and second ends which are bent radially inwardly; a second coil spring coaxially received in the housing beside the first coil spring, the second coil spring being pressed at its outer periphery against the cylindrical inner wall, the second coil spring having first and second ends which are bent radially inwardly; an annular core coaxially and rotatably received in the coaxially arranged first and second coil springs and having at a peripheral portion thereof a sectoral recess into which the first and second ends of the first and second coil springs are received, the sectoral recess being defined by circularly spaced first and second walls; input and output shafts respectively connected to axially opposed sides of the annular core to rotate therewith; and an output member including a base portion having a bore through which the output shaft passes and a pawl projecting into the sectoral recess, the pawl having a slit with which the first end of the first coil spring is engaged.