Rail following "Q"-height grinder

Details Rail following "Q"-height grinder Rail following "Q"-height grinder

1992-08-05

1993-08-03

Terrell, William E.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116575, 5116591, 409178, 409189, 409132, B24B 4900

Patent

active

052317994

ABSTRACT:
A localized grinder is traversed in series over flat tension mask support rails affixed to a CRT front panel to produce a constant "Q"-height on the mask support surface above the rails. A local measuring device is used to develop point-specific rail height information relative to the screen edges for operation of the grinder in order to ascertain an effective "Q"-height measurement from the panel surface.

REFERENCES:
patent: 3605909 (1971-09-01), Lemelson
patent: 3858363 (1975-01-01), Noll et al.
patent: 3859760 (1975-01-01), Grieb et al.
patent: 4908995 (1990-03-01), Dougherty et al.
patent: 4930262 (1990-06-01), Sennewald
patent: 5086591 (1992-02-01), Panetti

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