Spring loaded multi-wedge card retainer

Details Spring loaded multi-wedge card retainer Spring loaded multi-wedge card retainer

1986-03-06

1990-08-28

Tolin, Gerald P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

165 803, 211 41, 361415, H05K 720

Patent

active

049530593

ABSTRACT:
A plurality of trapezoidal wedges in a channel for retaining a PCB heat sink are held in place by spring force provided by a compression spring inside the bottom end wedge. The compression forces provided by the spring are mainly effective to prevent twisting of wedges on the absence of a heat sink and to provide at least some degree of heat transfer between the heat sink and the chassis even if the responsible technician neglects to torque down the wedges.

REFERENCES:
patent: 4298904 (1981-11-01), Koenig
patent: 4318157 (1982-03-01), Rank
patent: 4414605 (1983-11-01), Chino
patent: 4480287 (1984-10-01), Jensen

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