Electricity: circuit makers and breakers – Foot operated
Patent
1977-04-25
1979-02-27
Tolin, Gerald P.
Electricity: circuit makers and breakers
Foot operated
200153C, 200307, H01H 1316
Patent
active
041420802
ABSTRACT:
A plurality of foot-operated controllers are separately provided for controlling various operations such as the vertical movement of the body of a surgical microscope, the focussing of an objective or the like. Depending on the intended use, selected controllers are connected together by releasable spacers to provide a foot-operated controller assembly.
REFERENCES:
patent: 3159365 (1964-12-01), Watson
patent: 3511951 (1970-05-01), Miller
patent: 3637964 (1972-01-01), Ivko
patent: 3980848 (1976-09-01), Shulz
Olympus Optical Company Limited
Tolin Gerald P.
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