IP Library › Patent Application 12804045
Patent Application
App. No. 12/804,045

Isolating Pulley

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Quick Facts
Patent No.
US None
App. No.
12/804,045
Abstract

An isolator comprising a hub, a pulley journalled to the hub, the pulley having a stop, the hub having a resilient member for engaging the stop, a torsion spring connected between the pulley and the hub, an inertial member attached to the hub by a flexible member, the inertial member disposed within a pulley receiving portion that is disposed radially inward of a pulley belt engaging surface, and the resilient member having a convex surface for engaging the stop such that a spring rate of the resilient member is non-linear upon a compression against the stop.

Claims (9)

1 . An isolator comprising:

a hub;

a pulley journalled to the hub, the pulley having a stop;

the hub having a resilient member for engaging the stop;

a torsion spring connected between the pulley and the hub;

an inertial member attached to the hub by a flexible member, the inertial member disposed within a pulley receiving portion that is disposed radially inward of a pulley belt engaging surface; and

the resilient member having a convex surface for engaging the stop such that a spring rate of the resilient member is non-linear upon a compression against the stop.

2 . The isolator as in claim 1 , wherein the pulley is journalled to the hub on a bushing.

3 . The isolator as in claim 1 , wherein the hub comprises a receiving portion for retaining the resilient member.

Assignments (5)
RELEASE OF SECURITY AGREEMENT Recorded Jul 10, 2014
From: CITICORP USA, INC.
To: AQUATIC CO.; THE GATES CORPORATION, A DELAWARE CORPORATION; GATES MECTROL, INC., A DELAWARE CORPORATION; EIFELER MASCHINENBAU GMBH
Reel/Frame 033289/0254 →
RELEASE OF SECURITY AGREEMENT Recorded Jul 10, 2014
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: AQUATIC CO.; THE GATES CORPORATION, A DELAWARE CORPORATION; GATES MECTROL, INC., A DELAWARE CORPORATION; EIFELER MASCHINENBAU GMBH
Reel/Frame 033290/0631 →
SECOND LIEN NOTES PATENT SECURITY AGREEMENT Recorded Dec 30, 2010
From: AIR SYSTEM COMPONENTS, INC.; AQUATIC CO.; DEXTER AXLE COMPANY; EASTERN SHEET METAL, INC.; EPICOR INDUSTRIES, INC.; THE GATES CORPORATION; GATES MECTROL, INC.; HART & COOLEY, INC.; RUSKIN COMPANY; SCHRADER-BRIDGEPORT INTERNATIONAL, INC.; SCHRADER ELECTRONICS, INC.; SELKIRK CORPORATION; TOMKINS INDUSTRIES, INC.; EIFELER MASCHINENBAU GMBH
To: WILMINGTON TRUST FSB, AS COLLATERAL AGENT
Reel/Frame 025560/0057 →
SECURITY AGREEMENT Recorded Dec 29, 2010
From: AIR SYSTEM COMPONENTS, INC.; AQUATIC CO.; DEXTER AXLE COMPANY; EASTERN SHEET METAL, INC.; EPICOR INDUSTRIES, INC.; THE GATES CORPORATION; GATES MECTROL, INC.; HART & COOLEY, INC.; RUSKIN COMPANY; SCHRADER-BRIDGEPORT INTERNATIONAL, INC.; SCHRADER ELECTRONICS, INC.; SELKIRK CORPORATION; TOMKINS INDUSTRIES, INC.; EIFELER MASCHINENBAU GMBH
To: CITICORP USA, INC., AS COLLATERAL AGENT
Reel/Frame 025549/0407 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2010
From: SERKH, ALEXANDER; WARD, PETER; ALI, IMTIAZ; SCHNEIDER, DEAN
To: THE GATES CORPORATION
Reel/Frame 025179/0679 →