Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1995-02-10
1996-04-02
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361798, 361801, 361759, 211 41, 439157, H05K 500
Patent
active
055046568
ABSTRACT:
A device for removing a plug-in module adapted for insertion into a module rack is provided where the module rack has a front profile rail including a front strip and a front face, the front strip having a front edge. The plug-in module comprises a retaining block for securing the plug-in module to the front profile rail; a printed wiring board equipped with electronic components and screwed to the retaining block; and a front panel secured to the retaining block. The device includes a two-armed bell crank having a long lever arm and a short lever arm and being pivotally secured to the retaining block by a pivot pin. The long lever arm of the bell crank constitutes an actuation handle for the device. The device is configured such that the short lever arm of the bell crank includes an inner pressure exerting shoulder and an outer pressure exerting shoulder, where the inner pressure exerting shoulder of the short lever arm rests on the front face of the profile rail and the outer pressure exerting shoulder is disposed at a distance from and opposite the front edge of the front strip when the plug-in module is inserted into the module rack. The device is further configured such that the inner pressure-exerting shoulder is located at a distance from the pivot axis of the bell crank that is less than a distance between the outer pressure-exerting shoulder and the pivot axis.
REFERENCES:
patent: 4580192 (1986-04-01), Beun
patent: 4603375 (1986-07-01), Miller et al.
patent: 4996631 (1991-02-01), Freehauf
patent: 5428507 (1995-06-01), Chatel et al.
Picard Leo P.
Schroff GmbH
Whang Y.
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