Avionics chassis insertion/extraction mechanism

Geometrical instruments

Patent

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Details

339 75M, H01R 1362

Patent

active

044975287

ABSTRACT:
A mechanism for aiding the insertion and extraction of an avionics electronic chassis having a plurality of electrical connectors on to a mounting tray with a corresponding plurality of mating electrical connectors. Levered camming hooks on the chassis, matched with fixed keeper pins on the tray are rotated by a rotary, torque limiting knob and screw arrangement to engage the keeper pins and thereafter pivot thereon. Upon insertion, rotation of the knob applies a limited translational force between the electrical connectors sufficient to effect a full mating of the connectors but insufficient to cause any damage to the connectors should there be any misalignment therebetween. The mechanism has a very short longitudinal profile in its extracted position thereby rendering it useful in restricted spaces. The mechanism further conveniently provides a carrying handle for the chassis.

REFERENCES:
patent: 3453586 (1969-07-01), Brenden
patent: 3534320 (1970-10-01), Rushing
patent: 3668605 (1972-06-01), Albert
patent: 3830525 (1974-08-01), Ransford
patent: 4253720 (1981-03-01), Crosier

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