Contact pressure measuring a device

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Description

FIG. 1 is a front and top-left perspective view of a contact pressure measuring device showing my new design;

FIG. 2 is a rear and top-right perspective view thereof;

FIG. 3 is a left side perspective view thereof;

FIG. 4 is a right side perspective view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D234127 January 1975 Bishop
1694187 December 1928 Lewis
3132511 May 1964 Hill
3423997 January 1969 Mauer
3620075 November 1971 Edwards
Foreign Patent Documents
555298 April 1977 SUX
Patent History
Patent number: D271571
Type: Grant
Filed: Jun 9, 1981
Date of Patent: Nov 29, 1983
Inventor: Bo G. Lonnstedt (S-141 45 Huddinge)
Primary Examiner: Nelson C. Holtje
Law Firm: Young & Thompson
Application Number: 6/271,958
Classifications
Current U.S. Class: Weight, Force Or Density (D10/83)
International Classification: D1004;