Data processing device and plug-in package

Details Data processing device and plug-in package Data processing device and plug-in package

1991-12-17

1994-08-30

Barrett, Glenn T.

Electricity: circuit makers and breakers

Electric switch details

Latches

200 50A, 200 50AA, 361609, 361615, 211 41, 439 59, 439 62, 439188, 439157, 439329, H01H 920

Patent

active

053430093

ABSTRACT:
In a data processing device, when exchanging a plug-in package with another without breaking off the power to be supplied to the data processing device, a package removing lever is equipped with a locking piece. The lever does not move and the package hence cannot be removed, until the locking piece is released. In response to the release operation of the locking piece, a switch is activated to break off the power supply for the package. After the package is mounted perfectly, the power for the package is switched on by the action of the locking piece, thus preventing any misoperation when removing the package.

REFERENCES:
patent: 3885454 (1975-05-01), Grieger et al.
patent: 3932716 (1976-01-01), Mottel et al.
patent: 4071722 (1978-01-01), Hart
patent: 4268729 (1981-05-01), Gaizauskas
patent: 4313150 (1982-01-01), Chu
patent: 5033972 (1991-07-01), Komatsu et al.

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