Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1983-11-28
1986-04-01
Kucia, R. R.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
211 41, 361399, 361412, 361415, H05K 718
Patent
active
045801924
ABSTRACT:
Plug-in circuit packs, as used in telecommunications systems are planar assemblies which slide into position in a support frame, with electrical connections usually made at the inner or rear end. Assistance in withdrawal, and latching when in position are provided by a latching and withdrawing assembly at the front end of the circuit pack, having an integrally molded spring cantilever, free at its forward end and having an outwardly extending projection at its free end, the cantilever defining a channel in which slides an actuator. The actuator has spaced side members joined at an inner end by a cylindrical member which slides in the channel. Flange members are formed on the inner end of each side member. Rotation of the actuator at its outermost position causes the flange members to bear on the free end of the cantilever to deflect it. This disengages the outwardly extending projection at the free end of the cantilever from a detent in the support frame. Projections on the side members bear against the support frame and bias the circuit pack out of the support frame.
REFERENCES:
patent: 3451034 (1969-06-01), Beale
patent: 3691430 (1972-09-01), Freitag
patent: 4064551 (1977-12-01), Lightfoot
patent: 4091440 (1978-05-01), Gelin et al.
Jelly Sidney T.
Kucia R. R.
Northern Telecom Limited
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