Electricity: circuit makers and breakers – Limit switch
Patent
1974-12-23
1976-01-06
Hohauser, Herman
Electricity: circuit makers and breakers
Limit switch
74107, H01H 316
Patent
active
039314847
ABSTRACT:
A rotary lever operated limit switch for indicating when a device reaches a limiting position. The switch is comprised of a motion converter at least partially disposed within a first portion of a housing, and a switch assembly disposed within the interior of a second portion of the housing. The motion converter is comprised of a lever having one end adapted to engage the device, and a shaft assembly having one portion thereof attached to the other end of the lever and another portion thereof for providing a switch motion to open and close contacts of the switch assembly upon movement of the shaft assembly and the lever. A first means is provided for restoring the shaft assembly towards its initial position from a position within a range defined by a first predetermined position and the initial position of the shaft assembly. A second means is provided for restoring the shaft assembly towards its initial position if the shaft assembly exceeds the above defined range. The second restoring means is comprised of a member having a camming section mounted on the shaft assembly, and at least one spring loaded plug for engaging the camming section when movement of the shaft assembly exceeds the above defined range.
REFERENCES:
patent: 3512422 (1970-05-01), Aslan
patent: 3829637 (1974-08-01), Kilcoin
Chace Richard Lincoln
Kilcoin John Augustine
Semonchik William
Bernkopf Walter C.
Cahill Robert A.
General Electric Company
Hohauser Herman
Neuhauser Frank L.
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