Assembly of precisely adjustable linearly-arranged elements, par

Details Assembly of precisely adjustable linearly-arranged elements, par Assembly of precisely adjustable linearly-arranged elements, par

1992-03-26

1993-06-22

Bovernick, Rodney B.

Optical: systems and elements

Lens

With variable magnification

359704, 359823, G02B 1514, G02B 702

Patent

active

052219976

ABSTRACT:
An assembly of a plurality of lens holders includes a housing formed with a cavity for slidably receiving the lens holders in alignment with each other. One lens holder is formed with a bore of a first diameter having internal threads at a smaller diameter portion thereof. The other lens holder is formed with a bore having internal threads of a diameter equal to that of the smaller diameter of the first lens holder. The outer face of the housing is formed with a bore in alignment with the bores of the two lens holders and has a diameter at least as large as that of the first diameter to permit an adjusting implement formed with external threads to be inserted via the aligned bores in the housing and the two lens holders to precisely adjust the two lens holders with respect to each other.

REFERENCES:
patent: 3752569 (1973-08-01), Nelson et al.
patent: 4749268 (1988-06-01), Moskovich et al.
patent: 4832452 (1989-05-01), Eisler

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