IP Library › Granted Patent US 9,074,658
Granted Patent B2
US 9,074,658 · App. 14/028,359 · Granted Jul 7, 2015

Chain tensioner lever

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Quick Facts
Patent No.
US 9,074,658
App. No.
14/028,359
Granted
Jul 7, 2015
Kind
B2
Abstract

A chain tensioner lever has a chain guide surface which is formed such that in its main area extending from an end near a boss to an end near a piston contact, a curved track that slides along a timing chain in the chain travel direction has a continuously varying radius of curvature.

Claims (2)

1. A chain tensioner lever that contacts a timing chain wound around a crank sprocket and a cam sprocket of an engine in order to apply tension thereto,

wherein a chain guide surface formed in the lengthwise direction of the chain tensioner lever so as to slide along the timing chain is formed from a curve having a radius of curvature that continuously becomes larger from the crank sprocket towards the cam sprocket.

Assignments (3)
CHANGE OF NAME Recorded May 12, 2017
From: FUJI JUKOGYO KABUSHIKI KAISHA
To: SUBARU CORPORATION
Reel/Frame 042624/0886 →
CHANGE OF ADDRESS Recorded Oct 31, 2014
From: FUJI JUKOGYO KABUSHIKI KAISHA
To: FUJI JUKOGYO KABUSHIKI KAISHA
Reel/Frame 034114/0841 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 19, 2013
From: MAEDA, OSAMU
To: FUJI JUKOGYO KABUSHIKI KAISHA
Reel/Frame 031362/0443 →