Non-contacting gage tip pad

Details Non-contacting gage tip pad Non-contacting gage tip pad

1980-12-08

1984-02-28

Goldberg, Gerald

Measuring and testing

With fluid pressure

Dimension, shape, or size

73 377, G01B 1306

Patent

active

044335717

ABSTRACT:
An air-bearing gage tip or pad for a gage head is mounted on a swivel and closely follows the surface of a non-porous material without touching the surface and accommodates undulating surfaces which approach the pad at an angle and also small errors in mounting the pad normal to the surface, and additionally accepts small imperfect, surface perturbations without loss of air. The air-bearing pad features advantages in respect of increase in bearing stiffness and increase in mechanical response of the gage head and improvement in freedom from adverse effects encountered in the prior art and tending to be caused by thermal shifts and inherent hysteresis.

REFERENCES:
patent: 3367455 (1968-02-01), Panigati
patent: 3610024 (1971-10-01), Honjo et al.
patent: 4106330 (1978-08-01), Hinrichs
patent: 4292838 (1981-10-01), Larsen

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