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Jack Nut for Attaching Voltage Regulator Heat Sink to Inside Surface of Cover of Enclosure for Improved Heat Transfer

IP.com Disclosure Number: IPCOM000049766D
Original Publication Date: 1982-Jul-01
Included in the Prior Art Database: 2005-Feb-09

Publishing Venue

IBM

Related People

Authors:
Corcoran, PM Evans, RT Jackson, RG Schmidt, RR [+details]

Abstract

A three-terminal voltage regulator is mounted on a circuit card inside a metal enclosure that has a removable metal cover. The terminals of the regulator are bent at 90 degrees so that the heat sink is flexibly positioned parallel to the card and to the removable cover. A jack-nut is fitted to the side of the heat sink that faces the card, with the threads of the jack-nut lined up with the usual screw-receiving opening in the heat sink. A screw-receiving opening is also formed in the cover of the enclosure. When the cover has been put into place, an external screw is threaded through the jack-nut to pull the heat sink into contact with the cover of the enclosure. The metal cover provides improved cooling for the regulator.