Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1994-12-05
1997-08-19
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
200 51R, 200 5102, 200 5111, 200 4302, 307112, 307116, 307139, H01H 4700
Patent
active
056592094
ABSTRACT:
An electrical switching assembly which is formed by a base unit (10) and a control unit (11) having respective bodies which are releasibly engageable together through mechanical connection. The base unit (10) includes two supply terminals (20 & 21) for electrical connection to a power supply, two load terminals (22 & 23) for electrical connection to a load, and a built-in electrical switch (31) having an exposed operating member for manual operation. The electrical switch (31) is connected electrically in series between the power supply and the load terminals (20/21 & 22/23) in order to manually control the electrical connection of the load to the power supply. The control unit (11) includes a command receiver and an internal electrical switch (40) which is adapted to be connected electrically in series between the power supply and the load terminals (20/21 & 22/23) of the base unit (10) through the mechanical connection in order to control the electrical connection of the load to the power supply under the control of the command receiver upon receiving a switching control signal from a user or control device.
REFERENCES:
patent: 3928737 (1975-12-01), Prasert
patent: 4485282 (1984-11-01), Lee
patent: 4578593 (1986-03-01), Davidov
patent: 5036214 (1991-07-01), Zerillo
patent: 5239205 (1993-08-01), Hoffman et al.
Fairform Mfg. Co. Ltd.
Kaplan Jonathan S.
Shoop Jr. William M.
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