Light weight high capacity friction draft gear assembly

Details Light weight high capacity friction draft gear assembly Light weight high capacity friction draft gear assembly

2008-09-02

2008-09-02

Olson, Lars A (Department: 3617)

Railway draft appliances

Cushioned

Combined spring and friction

C213S033000

Reexamination Certificate

active

11366923

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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patent: 6923331 (2005-08-01), Sommerfeld
patent: 7311215 (2007-12-01), Sommerfeld

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