Data processing device and plug-in package

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

1994-06-14

1995-05-23

Pellinen, A. D.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

200 50A, 200 50AA, 200322, 361609, 361615, 439 62, 439188, H01R 13707

Patent

active

054184045

ABSTRACT:
In a data processing device, when exchanging a plug-in package with another without breaking 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: 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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