Electricity: circuit makers and breakers – Switch activation inhibitor – Actuator locking device
Patent
1985-08-13
1987-06-30
Marcos, Stephen
Electricity: circuit makers and breakers
Switch activation inhibitor
Actuator locking device
200 4301, H01H 928
Patent
active
046772618
ABSTRACT:
The device for locking the manual control lever (14) of an electrical appliance such as a switch comprises two adjacent portions (1) pivotally joined together by means of a hinge portion (2), fastening means (3) each extending along an edge portion located in spaced relation to the hinge portion (2), at least one bearing surface (4) provided on one of the adjacent portions (1) and at least one locking orifice (5) formed in each adjacent portion and so arranged as to come into position in register with the corresponding locking orifice (5) of the other adjacent portion (1) when the device is in the locking position. The device can then be maintained in the locking position by the shackle of a padlock engaged in one of the orifices (5) or by a lead-sealed wire.
REFERENCES:
patent: 1894660 (1933-01-01), Black et al.
patent: 2192060 (1940-02-01), Wise
patent: 2662389 (1953-12-01), McKitrick
patent: 2983799 (1961-05-01), Osieja et al.
patent: 3214530 (1965-10-01), Tharp et al.
patent: 3291924 (1966-12-01), Tharp
patent: 4260861 (1981-04-01), DiMarco
patent: 4300030 (1981-11-01), Dimarco et al.
Cusick Ernest G.
La Telemecanique Electrique
Marcos Stephen
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