Electricity: circuit makers and breakers – Multiple circuit control – Sequential operations
Patent
1984-10-18
1986-01-07
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Sequential operations
200 16E, 200163, H01H 900
Patent
active
045635498
ABSTRACT:
A reversing switch comprises a mounting plate assembly with a hub adapted to extend forwardly through a wall of an explosion proof enclosure. A shaft is journaled for both rotational and axial movement in the hub. A stationary contact assembly consists of a first set of four evenly circumferentially spaced contacts, each with a connecting terminal, mounted on an insulator base. A movable contact assembly consists of a second set of four evenly circumferentially spaced contacts mounted on an electrical insulating member connected to the shaft. Adjacent pairs of the movable contacts are interconnected. The shaft has an external handle with a unique cam and rotatable eccentric pivot connection for moving the shaft axially to engage or disengage the contacts when the handle is pivoted forward and backward a half turn, and for rotating the shaft to reverse the contacts when the handle is rotated a quarter turn. One or more control switches between the contact assemblies are actuated by relative movement between the contact assemblies for a variety of control and monitoring functions. A spring normally urges the contacts apart.
REFERENCES:
patent: 1752213 (1930-03-01), Treanor
patent: 3222485 (1965-12-01), Hardesty et al.
patent: 3315057 (1967-04-01), Geltner
patent: 3639704 (1972-02-01), Alinder
Scott J. R.
Service Machine Company
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