Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Support
Patent
1984-10-25
1987-02-17
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Support
108139, 108140, 312235R, A61B 300, A47B 1100
Patent
active
046435476
ABSTRACT:
An ophthalmic instrument support having a flat floor-supported base and a cabinet extends upward from one end of the base, a post projects upward from the cabinet and the upper end of the post pivotally engages one end of a horizontal frame upon which a table is mounted for limited horizontal movement to permit a pair of spaced instruments thereon selectively to be brought into alignment with the eyes of a patient when seated in a vertically adjustable chair with the patient's lap extending beneath the horizontal frame. The post is adjustable vertically a limited amount to dispose the table and instruments thereon at a desired vertical position according to a doctor's eyes when the doctor is seated upon another chair opposite a patient. Positioning recesses and detents releasably maintain the table in longitudinally adjusted positions upon the frame, and an actuating member for an electric switch is mounted beneath the portion of the table which extends over the lap of a patient and is operable to stop elevating a patient in the adjustable chair when the lap or legs of a patient engage the actuating member while being elevated by the chair.
REFERENCES:
patent: 978299 (1910-12-01), Jacobs
patent: 1272015 (1918-07-01), Davis
patent: 1287955 (1918-12-01), Gay
patent: 1494666 (1924-05-01), Clement
patent: 2149141 (1939-02-01), Hunsicker
patent: 3201795 (1965-08-01), Cuppers et al.
patent: 3572913 (1971-03-01), Korh et al.
patent: 4421394 (1983-12-01), Schon et al.
Cain Michael
Collins Ronald J.
Bovernick Rodney B.
Dentsply Research & Development Corp.
Dzierzynski P. M.
Hanson, Jr. E. J.
Just C. Hercus
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