Geometrical instruments
Patent
1976-01-29
1977-06-28
Lake, Roy
Geometrical instruments
H01R 1364
Patent
active
040322130
ABSTRACT:
A pair of mateable units with polarizing means for controlling mateability of the units comprising a member rotatably mounted on each of the units one of the members having an extension of predetermined shape and the other member having a recess of predetermined complementary shape for receiving the extension on the one member. The members each have a slot in one end for receiving a screw driver to rotate the members to adjusted position without removing, resetting and reassembling small components.
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Braid David Thomas
Snyder Gene Larry
Abrams Neil
Eifler R. J.
Hartz S. H.
Lake Roy
Seaman K. A.
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