Browse Prior Art Database

Floating Continuity Covers

IP.com Disclosure Number: IPCOM000103194D
Original Publication Date: 1990-Aug-01
Included in the Prior Art Database: 2005-Mar-17
Document File: 1 page(s) / 46K

Publishing Venue

IBM

Related People

Rachui, RA: AUTHOR

Abstract

Described is an arrangement that enhances metal to metal contact between the top cover and base which houses devices with high E.M.C. impedance.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 100% of the total text.

Floating Continuity Covers

      Described is an arrangement that enhances metal to metal
contact between the top cover and base which houses devices with high
E.M.C. impedance.

      The junction between the top-cover (1) and the base (2) is
descriptive of a torque and grove design.  The channel (3) created
within the top cover (1) slides on the edge (4) of the base for ease
of assembly.  This wrap around design represents a three wall
thickness junction between top cover (1) and base (4).  This enhances
non-escape or entrance of disruptive E.M.C. waves.  Guaranteed metal
to metal contact between the top cover (1) and the base (2) is
through a threaded looping wire rope (5) (piano wire).

      Clearance holes (6) provided at the crest of the cover channel
(3) is through which the rope (5) is threaded (see sketch).  The
looping wire intermittently contacts the base during slide on
assembly.  Flexibility within each loop compensates for
irregularities (flatness, parallelism) with the edge (4) of the base.
The looping wire also creates a floating of the top cover (1) on the
base (2) while minimizing frictional drag.  As described by the
E.M.C. department devices impede different disruptive sin waves. By
varying the wire loops through the clearance holes a spectrum of
different wire sin waves are created, thus providing a barrier
against escape of different disruptive sin waves emitted by the
device.

      Disclosed anonymously.