Coarse focus mechanism for microscopes

Details Coarse focus mechanism for microscopes Coarse focus mechanism for microscopes

1975-11-10

1977-01-18

Corbin, John K.

350 46, 350 84, 64 30C, G02B 704, G02B 2100, G02B 2126

Patent

active

040036286

ABSTRACT:
A coarse focus mechanism for microscopes and related instruments wherein the mechanism includes a slip clutch operated knob which rotates a pinion shaft for moving either the optical or stage member of the microscope relative to the other member for achieving a coarse focus. The knob is disposed on the pinion shaft between the slip clutch and an abutment which is laterally adjustable along the longitudinal axis of the pinion shaft for precisely positioning the knob on the pinion shaft. The knob may include a removable protective housing for enclosing the slip clutch mechanism.

REFERENCES:
patent: 3451739 (1969-06-01), Fitzgibbons
patent: 3683704 (1972-08-01), Kuroha

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