Torsional vibration damper
Latest Tesma International, Inc. Patents:
Claims
Referenced Cited
U.S. Patent Documents
Other references
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- Illustration of vibration damper assembly used in 1980's General Motors 6.5 liter V-8 diesel engine (Appendix Tab 1). Alleged literature from SAE Show (spring of 1991) distributed by Simpson Industries, Inc. (Appendix Tab 2). Illustration of Buick 3.8 liter V-6 engine drive pulley (allegedly marketed in the mid-1980's) (Appendix Tab 3). Illustration of design allegedly offered by the Hillsdale division of Eagle-Picher for sale to Ford Motor Company in Jan. 1992 (Design Option 1--Appendix Tab 4). Pulley assembly manufactured by ROTO-FORM for Ford 2.3 L Tempo/Topaz vehicles (between 1992-1994) (Appendix Tab 5).
Patent History
Patent number: RE35932
Type: Grant
Filed: Jul 29, 1996
Date of Patent: Oct 20, 1998
Assignee: Tesma International, Inc. (Ontario)
Inventors: Zdenek Cerny (Brampton), Michael Clark (New Market)
Primary Examiner: Roger J. Schoeppel
Law Firm: Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
Application Number: 8/687,983
Type: Grant
Filed: Jul 29, 1996
Date of Patent: Oct 20, 1998
Assignee: Tesma International, Inc. (Ontario)
Inventors: Zdenek Cerny (Brampton), Michael Clark (New Market)
Primary Examiner: Roger J. Schoeppel
Law Firm: Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro LLP
Application Number: 8/687,983
Classifications
Current U.S. Class:
Guide Roll Spring Biased In Belt-tensioning Direction (474/135);
74/574;
Plural Output Loads (474/86);
Resilient Connection Between Pulley Or Guide-roll Rim And Mount (474/94);
Friction Drive Pulley Or Guide Roll (474/166)
International Classification: F16H 708;
International Classification: F16H 708;