Gap measuring apparatus

Details Gap measuring apparatus Gap measuring apparatus

1987-09-29

1989-06-06

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358107, 358229, 356375, H04N 718

Patent

active

048376159

ABSTRACT:
The invention disclosed herein comprises a hand held optical probe axially insertable into the fastener holes of a multilayered panel for measuring the gap between the edges of the panels at the hole site. The hand held probe includes a light source, two bundles of optical fibers for directing light axially into a fastener hole, the tip end of the bundles being directed at a right angle to the axis of the fastener hole so that the panel edges are illuminated. When the probe is at gap depth the light energy reflected from the panel edges is directed by a right angle prism through a lens system in the probe to a video scanning camera which provides an electronic video image of the gap size. A spring biased conical guide mounted on the housing of the probe, and through which the tip end of the probe projects serves to center the tip end of the probe in the fasterner hole.

REFERENCES:
patent: 4411528 (1983-10-01), Newcomb et al.
patent: 4549207 (1985-10-01), Boshier
patent: 4600938 (1986-07-01), Slugter et al.
patent: 4653106 (1987-03-01), Yamatsata et al.
patent: 4725883 (1988-02-01), Clark, Jr. et al.

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