Microscope balance compensator

Details Microscope balance compensator Microscope balance compensator

1994-09-16

1997-06-24

Nguyen, Thong

Optical: systems and elements

Compound lens system

Microscope

359368, 359382, G02B 2100

Patent

active

056422202

ABSTRACT:
An apparatus for providing counteracting force to overcome the off-center weight of a microscope assembly without counterweights. The apparatus is a microscope balance compensator which uses springs or gas pistons to compensate for a change in a moment developed in a microscope assembly when attachments are added or removed or when the tilt angle of the microscope is changed. The microscope balance compensator includes one device for applying counteracting force about a tilt axis and another device for applying counteracting force about a tip axis oriented perpendicular to the tilt axis. Each counteracting force is applied at discrete angles relative to the pivot centers and is adjustable. The apparatus provides balance compensation over a wide range without adding counterweight, thereby minimizing the total weight of the microscope.

REFERENCES:
patent: 4668057 (1987-05-01), Kleinberg
patent: 4742947 (1988-05-01), Coffman et al.
patent: 4815832 (1989-03-01), Nagano et al.
patent: 4867405 (1989-09-01), Nakamura
patent: 5173802 (1992-12-01), Heller
patent: 5186422 (1993-02-01), Nakamura

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