Joints and connections – Selectively assembled – e.g. – convertible – etc. – Selective orientation
Patent
1991-12-12
1993-02-02
Reese, Randolph A.
Joints and connections
Selectively assembled, e.g., convertible, etc.
Selective orientation
403258, 403259, 74479, 51168, 359198, 359819, F16D 112
Patent
active
051833506
ABSTRACT:
An adjustable, resettable fixed mount for a hologon laser scanner disc or spinner provides perpendicular angular orientation of the hologon disc relative to the motor rotation axis within about 5 to 10 arc seconds and corresponding wobble angles as compared to 20 to 40 arc seconds for hologon discs mounts in dynamic mounts or rigidly with fixed, hard mounts which have heretofore been proposed and used. The improved mount is a fixed hard mount which is nevertheless adjustable. It may be implemented by a connecting assembly having a hub with a spherical bearing which allows perpendicular angular orientation of the hologon about a plane perpendicular to the motor drive shaft on which the spherical bearing is mounted. A retainer cap has a plurality of angularly spaced adjusting screw members which change the perpendicular angular orientation of the disc relative to the motor rotation axis. Alignment is performed while the hologon is not rotating. The adjusting screws from the retainer cap have tips which are inserted into the hologon disc assembly and preferably a balancing disc of soft metal which is opposed to and spaced from the retainer cap. Then the rotational angular position of the hologon is locked to the rotational position of the retainer cap which in turn is locked to the motor shaft. The improved mount maintains the hologon alignment position even after many hours of use and starts and stops of the motor rotation. Readjustment may readily be accomplished by resetting the adjusting screws.
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Holotek Ltd.
Kim Harry C.
Reese Randolph A.
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