Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1997-12-12
1999-08-17
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361752, 361759, 361801, 439160, 211 4117, H05K 712
Patent
active
059402768
ABSTRACT:
The front system has an upper and a lower end piece (5) which are fastened to the upper and lower front corner region (3), respectively, of the printed circuit board assembly (3). An upper and/or a lower lever pull handle (19), which is fitted to the upper and/or lower end piece respectively, is used for levering the printed circuit board assembly into and out of the mounting rack. A latching mechanism (25) is provided to fix the lever pull handle in the appropriate position when the printed circuit board assembly has reached the point where it has been fully inserted into the mounting rack. A push-button element (31) is integrated in the upper and/or lower end piece. When the lever pull handle is in its fixed position, the push-button element may be depressed to thereby act upon the appropriate lever pull handle, thereby actuating an external, electrical switching element. The electrical switching element, in turn, electrically enables and disables the printed circuit board assembly. The invention has the advantage of allowing the push-button element, as a result of its integration in a lower or an upper end piece, to be brought into an exactly definable position, so that even external switching elements with different external designs may be permanently and reliably actuated via the lever pull handle.
REFERENCES:
patent: 4885436 (1989-12-01), Pham et al.
patent: 5289347 (1994-02-01), McCarthy et al.
patent: 5373419 (1994-12-01), Wright
patent: 5504656 (1996-04-01), Joist
patent: 5629836 (1997-05-01), Wright
Leiterplattenausbau ohne Systemunterbrechung mit Honeywell Schaltern und Sensoren, Honeywell Outline, Sensorik und Automation, vol. 9, No. 1, pgs. 10,12, Date Not Provided.
Billenstein Ernst
Korber Werner
Kurrer Siegfried
Schaffer Kurt-Michael
Gandhi Jayprakash N.
Picard Leo P.
Siemens Aktiengesellschaft
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