Electricity: circuit makers and breakers – Foot operated
Patent
1973-06-19
1976-06-15
Scott, James R.
Electricity: circuit makers and breakers
Foot operated
200153C, 74512, H01H 314, G05G 114
Patent
active
039638901
ABSTRACT:
A foot control installation for drives, particularly for dental drill drives or motors, including a housing and an actuating member projecting therefrom with a foot contact, with the actuating member adapted to be displaced from an initial into an operative position for actuation of a control element for the drive. The installation includes at least two switches selectively actuated through a selector switch so as to provide for different modes of operation through either a first actuating member or another actuating element.
REFERENCES:
patent: 543855 (1895-08-01), Denison
patent: 804595 (1905-11-01), Garhart
patent: 2671268 (1954-03-01), Crawford
patent: 2857493 (1958-10-01), Tascher
patent: 3117200 (1964-01-01), Wolff
patent: 3296698 (1967-01-01), Staunt
patent: 3471928 (1969-10-01), Billin
patent: 3502833 (1970-03-01), Rossini et al.
patent: 3742167 (1973-06-01), Muther
Scott James R.
Siemens Aktiengesellschaft
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