Friction wheel measuring device

- Primus Mfg., Inc.
Description

FIG. 1 is a top plan view of a friction wheel measuring device showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D194853 March 1963 Williams
D232349 August 1974 Polydoris
D235855 July 1975 Polydoris
3378929 April 1968 Deardorff
3732623 May 1973 Bobst
3771228 November 1973 Culver
3791038 February 1974 Polydoris
Patent History
Patent number: D253688
Type: Grant
Filed: Jan 18, 1978
Date of Patent: Dec 18, 1979
Assignee: Primus Mfg., Inc.
Inventors: Irven H. Culver (Playa Del Rey, CA), Oleg Szymber (Palos Verdes, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Robert L. Parker
Application Number: 5/870,341
Classifications
Current U.S. Class: Linear Or Distance (9) (D10/70)
International Classification: D1004;