Roughness measuring instrument with testing standard

Details Roughness measuring instrument with testing standard Roughness measuring instrument with testing standard

2008-03-25

2008-03-25

Williams, Hezron (Department: 2856)

Measuring and testing

Surface and cutting edge testing

C073S105000

Reexamination Certificate

active

10565882

ABSTRACT:
The roughness measuring instrument (1) has a receiving device (2) for a feeder device (3), which serves to drag a roughness sensor (4) over a workpiece surface. The receiving device (2) carries a testing standard (24) with a testing face (25) within range of the roughness sensor (4). Preferably, the testing standard (24) is located in a pocket affixed to the receiving device (2), and this pocket is embodied in the wall of a bore for receiving the feeder device (3). Its testing face (25) is thus located inside the receiving device (2) in a way that is protected against becoming soiled and damaged yet is readily accessible.

REFERENCES:
patent: 3501841 (1970-03-01), Adams
patent: 3505861 (1970-04-01), Schoefer et al.
patent: 4928517 (1990-05-01), Fitts
patent: 5955661 (1999-09-01), Samsavar et al.
patent: 6594532 (2003-07-01), Mills
patent: 41 32 724 (1995-09-01), None
patent: 198 17 406 (2000-02-01), None

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