Coordinate measuring machine having vertical fine feed and lock

Details Coordinate measuring machine having vertical fine feed and lock Coordinate measuring machine having vertical fine feed and lock

1983-02-07

1985-03-12

Martin, Jr., William D.

Geometrical instruments

Miscellaneous

Light direction

33143K, 33169R, 33165, 33DIG1, 74 89, 74210, G01B 502

Patent

active

045036144

ABSTRACT:
A coordinate measuring machine having a vertically movable probe shaft in which a vertical fine feed and lock mechanism for the probe shaft is provided by a first knob coupled to a magnet movable between two positions, one of said positions operatively coupling a second knob to the probe shaft for driving said probe shaft in a vertical direction, the other of said positions being ineffective for moving the fine feed mechanism. The fine feed is accomplished through the rotation of a second knob which is in frictional engagement through a driven quasi "V" shaped flanged wheel with the probe shaft to be moved vertically.

REFERENCES:
patent: 1246426 (1917-11-01), Herman
patent: 1249174 (1917-12-01), Murry
patent: 2551671 (1951-05-01), Harris
patent: 4438569 (1984-03-01), Weglin

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