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.

Date of Patent:
Sep. 02, 2008

Filed:

Mar. 02, 2006
Applicants:

Howard Sommerfeld, Oak Forest, IL (US);

Wajih Kanjo, Lockport, IL (US);

Inventors:

Howard Sommerfeld, Oak Forest, IL (US);

Wajih Kanjo, Lockport, IL (US);

Assignee:

Wabtec Holding Corp., Wilmerding, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light weight high capacity friction-type draft gear assembly includes a housing having a front and a rear portion. A compressible cushioning element is positioned within the rear portion with a seating arrangement abutting one end thereof. A friction cushioning element is provided in the front portion of the housing and a spring release mechanism is provided for continuously urging the friction cushioning element outwardly from the compressible cushioning element thereby releasing such friction cushioning element after compression of such draft gear assembly.


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