IP Library Granted Patent US 8,056,686
Granted Patent B2
US 8,056,686 · App. 12/217,783 · Granted Nov 15, 2011

Torque converter with cover plate directly attached to piston

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Quick Facts
Patent No.
US 8,056,686
App. No.
12/217,783
Granted
Nov 15, 2011
Kind
B2
Abstract

A torque converter includes a turbine, a lockup clutch including a piston, and a damper having at least one cover plate, the cover plate being attached directly to piston. A method for assembling the torque converter includes passing a section of the piston through a hole in the cover plate and attaching the piston to the cover plate at the hole.

Claims (10)

1. A torque converter comprising:

a turbine;

a lockup clutch including a piston; and

a damper having at least one cover plate, the cover plate being attached directly to the piston

wherein the piston has an axially extending rivet and the cover plate has a hole, the rivet passing through the hole,

wherein the damper includes a second cover plate also attached directly to the piston,

wherein the piston has a plurality of axially extending rivets, a first rivet extending axially a first distance, and a second rivet extending axially a second distance, the first distance being larger than the second distance,

wherein the first cover plate has a first hole accepting the first rivet and the second cover plate has a second hole accepting the second rivet,

wherein the second cover plate has a first slot, the first rivet passing through the first slot.

2. The torque converter as recited in claim 1 wherein the first rivet extends from a first shoulder, the first shoulder fitting in the first slot.

Assignments (6)
CORRECTIVE ASSIGNMENT TO CORRECT THE PROPERTY NUMBERS PREVIOUSLY RECORDED ON REEL 037732 FRAME 0347. ASSIGNOR(S) HEREBY CONFIRMS THE APP. NO. 14/553248 SHOULD BE APP. NO. 14/553258. Recorded Oct 11, 2016
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 040404/0530 →
MERGER AND CHANGE OF NAME Recorded Feb 5, 2016
From: SCHAEFFLER TECHNOLOGIES AG & CO. KG; SCHAEFFLER VERWALTUNGS 5 GMBH
To: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
Reel/Frame 037732/0228 →
CHANGE OF NAME Recorded Feb 5, 2016
From: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 037732/0347 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 23, 2012
From: LUK VERMOEGENSVERWALTUNGSGESELLSCHAFT MBH
To: SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reel/Frame 027915/0892 →
MERGER Recorded Feb 29, 2012
From: LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
To: LUK VERMOEGENSVERWALTUNGSGESELLSCHAFT MBH
Reel/Frame 027781/0207 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 24, 2008
From: JAMESON, JONATHAN
To: LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG
Reel/Frame 021588/0402 →