Ophthalmic apparatus

Details Ophthalmic apparatus Ophthalmic apparatus

2008-03-04

2008-03-04

Schwartz, Jordan (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Support

C351S208000

Reexamination Certificate

active

07338172

ABSTRACT:
An ophthalmic apparatus comprises: a base; an examination part which includes an optical system for examining an eye of a patient and is placed to be movable horizontally on the base; and a fixing mechanism provided in the examination part and arranged to fix the examination part on the base; wherein the fixing mechanism comprises: an arm pivotally mounted to be turned in an up and down directions; a fixing member which is supported by the arm so that it is brought in contact with the base by downward turning of the arm and it is separated from the base by upward turning of the arm, the fixing member having large friction with respect to the base; and an operating member for turning the arm in the up and down directions, the operating member having a longer distance from a turning center of the arm to a position of the operating member than a distance from the turning center of the arm to a position of the fixing member.

REFERENCES:
patent: 5644375 (1997-07-01), Suzuki
patent: 5910833 (1999-06-01), Iijima
patent: 2004/0189936 (2004-09-01), Mimura et al.
patent: Y2 2517466 (1996-08-01), None

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