Objective centering nosepiece

Details Objective centering nosepiece Objective centering nosepiece

1975-02-24

1977-04-19

Corbin, John K.

350254, G02B 704

Patent

active

040185052

ABSTRACT:
Apparatus for supporting a microscope objective and aligning the optical axis of such an objective with the optical axis of the microscope. The apparatus includes a rotatable plural objective nosepiece shell provided with a plurality of through openings. All but one of these openings receives an objective supporting and aligning cell which, in turn, supports the individual microscope objectives. Each cell and the corresponding through opening provided in the nosepiece shell are provided with cooperating surfaces which, in conjunction with a locking ring and a washer formed, preferably, of material exhibiting cold flow characteristics, axially position such cell relative to the nosepiece shell. The washer formed of material exhibiting cold flow characteristics is supported between the locking ring and a flange surface provided on the through opening to prevent shifting of the cell in the axial direction. Cooperating means provided on both the cell and the nosepiece shell align the optical axis of the objective with the optical axis of the microscope.

REFERENCES:
patent: 287904 (1883-11-01), Bulloch
patent: 1960044 (1934-05-01), Barnack
patent: 2017823 (1935-10-01), Taylor
patent: 2500050 (1950-03-01), Wittel
patent: 2571743 (1951-10-01), Meyer
patent: 3565512 (1971-02-01), Peck

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