Combined dirt collector and cut-out cock

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Description

FIG. 1 is a front view of a combined dirt collector and cut-out cock according to the present invention;

FIG. 2 is a back view;

FIG. 3 is a right view;

FIG. 4 is a left view;

FIG. 5 is a top view; and,

FIG. 6 is a bottom view.

Referenced Cited
U.S. Patent Documents
3748837 July 1973 Billeter
Other references
  • Approval Test Specification for Combined Dirt Collector and Cut-Out Cock, Adopted 1982, Revised 1988, Association of American Railroads-Mechanical Division-Manual of Standards and Recommended Practices.
Patent History
Patent number: D378229
Type: Grant
Filed: Jul 14, 1994
Date of Patent: Feb 25, 1997
Assignee: New York Air Brake Corporation (Watertown, NY)
Inventors: Robert P. Gayfer (Watertown, NY), Martin A. Petzoldt (Hanover, PA)
Primary Examiner: Doris V. Coles
Assistant Examiner: Eric Watterson
Law Firm: Barnes & Thornburg
Application Number: 0/25,855
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)