Electricity: circuit makers and breakers – Limit switch
Reexamination Certificate
2007-09-18
2007-09-18
Lee, Richard K. (Department: 2832)
Electricity: circuit makers and breakers
Limit switch
C200S341000
Reexamination Certificate
active
10003590
ABSTRACT:
A hybrid limit/proximity switch combining the standard limit switch operator head and a proximity sensor in a body that may be interchangeably mounted on a machine in place of a conventional mechanically operated limit switch is disclosed.
REFERENCES:
patent: 5190150 (1993-03-01), Laue et al.
patent: 5890585 (1999-04-01), Nakamura et al.
patent: 5959271 (1999-09-01), Matsuhashi
patent: 6518528 (2003-02-01), Nickerson et al.
patent: 6653583 (2003-11-01), Asa
Lee Richard K.
Wright Robert O.
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