Device for measuring woodruff keyways and method of using

Details Device for measuring woodruff keyways and method of using Device for measuring woodruff keyways and method of using

1991-08-06

1992-07-21

Haroian, Harry N.

Geometrical instruments

Gauge

Cam profile or keyway

335010, 33549, G01B 500

Patent

active

051311607

ABSTRACT:
The invention is directed to an adaptor device suitable for use with a measuring apparatus to determine the centrality to the centerline of a Woodruff keyway in a shaft. The adaptor allows the measuring apparatus to rest on the top surface or outside diameter of the shaft so that the measuring apparatus can be used to measure the centrality of the side walls to the centerline of the keyway. Accordingly, the measuring apparatus can operate without reference to the bottom of the keyway due to the use of the adaptor of the present invention which is connected to the measuring apparatus. The adaptor can be structured so that it is usable with a measuring apparatus to measure keyways of varying sizes in shafts of varying sizes.

REFERENCES:
patent: 2807091 (1957-09-01), Michelson
patent: 4970799 (1990-11-01), Proell et al.

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