I.D. Brake drum gauge for heavy duty vehicle brakes

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Description

FIG. 1 is a front elevational view of an I.D. brake drum gauge for heavy duty vehicle brakes showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a left end elevational view thereof; and

FIG. 7 is a front elevational view thereof shown in a retracted position and in association with a portion of a vehicle brake drum.

The vehicle brake drum shown in broken lines in FIG. 7 is for illustrative purposes.

Referenced Cited
U.S. Patent Documents
D253047 October 2, 1979 Morgan
2723460 November 1955 Petch
2812588 November 1957 Verrant
Foreign Patent Documents
584526 January 1947 GBX
Other references
  • American Machinest-2/13/35-"Pin Gauge", at lower left of p. 182. Mitutoyo Cat. #900-p. 78-Bore Gauges.
Patent History
Patent number: D258352
Type: Grant
Filed: Nov 23, 1979
Date of Patent: Feb 24, 1981
Inventor: Thomas E. Morgan (Sterling Heights, MI)
Primary Examiner: Nelson C. Holtje
Attorney: William L. Fisher
Application Number: 6/96,765
Classifications
Current U.S. Class: Micrometer, Caliper Or Divider Type (D10/73)
International Classification: D1004;