Optical: systems and elements – Compound lens system – Right angle inspector
Patent
1990-11-08
1992-06-16
Arnold, Bruce Y.
Optical: systems and elements
Compound lens system
Right angle inspector
359198, 359506, 128 4, G02B 2300, G02B 700, A61B 100
Patent
active
051229005
ABSTRACT:
A compact self-contained fail-safe motorized mirror assembly is provided for selective attachment to the end of a borescope insertion tube, attachment is through three self-locking standoff pins threaded on each end for engagement in the mirror assembly housing and the head connector of the insertion tube. One end of each pin and its socket is right-hand threaded and the other is left-hand threaded. A simplified bayonet style battery housing and motor "on/off" switch are provided at the other end of the housing to complete the assembly so that actuation of the motor can only be accomplished by deliberate rotation of the battery housing end and it cannot be accidentally disengaged except by a compound reverse motion of the end cap.
REFERENCES:
patent: 3221593 (1965-12-01), Ferris
patent: 4671624 (1987-06-01), Kahan
patent: 4787369 (1988-11-01), Allred, III et al.
patent: 4934340 (1990-06-01), Ebling et al.
Knieriem Alan S.
Tamburrino Richard A.
Arnold Bruce Y.
Nguyen Thong
Welch Allyn Inc.
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