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:
Dec. 21, 1999
Filed:
Aug. 06, 1998
Yazaki Corporation, Tokyo, JP;
Abstract
A clock spring comprises a cylindrical casing having a first connector, a cylindrical rotator disposed concentrically inside the casing, capable of rotating relative to the casing, and having a second connector, a carrier disposed rotatablly between the casing and the rotator, on which a rotatable cylindrical first roller is provided, a flexible cable in which one end thereof is connected to the second connector, is wound around an outer face of the rotator in a first direction, is reversed the winding direction into a second direction opposite to the first direction for being wound on an inner face of the outer casing in the second direction, and the other end thereof is connected to the first connector, a rotatable cylindrical second roller provided on the carrier next to the first roller, and a pillar-shaped first blocking member provided on that portion where between an outer face of the second roller and the inner face of the outer casing for preventing the flexible cable from invading the portion, the first blocking member positioned further than the nearest point on the outer face of the second roller with respect to the first roller.