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:
Nov. 08, 1994

Filed:

Oct. 25, 1993
Applicant:
Inventors:

Peter S Mautino, Verona, PA (US);

Douglas M Hanes, Pittsburgh, PA (US);

Assignee:

McConway & Torley Corporation, Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61G / ;
U.S. Cl.
CPC ...
213 50 ; 213 / ; 384212 ; 403 57 ; 403311 ;
Abstract

A drawbar bearing block for a slackless drawbar system which connects adjacent ends of a pair of railway cars in a semi-permanent manner. Such bearing block includes a top portion supported and retained in a hemispherical recess which extends partially around a pin opening formed in a pin receiving opening disposed in a butt end of a drawbar. Such top portion of the bearing block has an outer surface which closely matches a surface of such hemispherical recess and an inner surface having a cylindrical shape to receive a pin therein. There is at least one recessed opening formed in the top portion adjacent a bottom surface and an outer surface thereof. A bottom portion is supported and retained in such hemispherical recess and assists in supporting and retaining such top portion in the hemispherical recess. Such bottom portion of the bearing block includes an outer surface which closely matches the surface of such hemispherical recess and an inner surface having a cylindrical shape to receive a pin therein. Such inner surface being in alignment with such inner surface of such top portion. There is at least one tab-like member extending upwardly from an upper surface of such bottom portion and adjacent said outer surface thereof. Such tab-like member matingly engages with the recess in said top portion. Such tab-like member has an outer surface which closely matches the surface of such hemispherical surface.


Find Patent Forward Citations

Loading…