Machine element or mechanism – Shaft operators – Plural shafts
Patent
1986-02-10
1986-10-14
Dorner, Kenneth J.
Machine element or mechanism
Shaft operators
Plural shafts
74 1052, 74665B, 74772, 350521, 350530, F16H 3518, G02B 2124
Patent
active
046165177
ABSTRACT:
A monoaxial coarse-fine adjusting apparatus for optical instruments has a pair of friction wheels whose peripheries are in engagement with the fine adjusting shaft. The axles to which the friction wheels are mounted are received in slots formed in the coarse shaft. The coarse adjusting knob has a surface which the friction wheel axles bear against. A pair of springs are provided which accommodate for torsion and backlash. Rotation of the coarse knob directly rotates the coarse shaft. Rotation of the fine knob rotates the friction wheels in a planetary fashion. The friction wheel axles which are received in the slots in the coarse shaft, drive the coarse shaft an amount which is proportional to the rotation of the fine knob.
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Bausch & Lomb Incorporated
Dorner Kenneth J.
Morgan DeWitt M.
Norton John S.
Rolnicki Joseph M.
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