Browse Prior Art Database

Machine Cover with Switch Button Locating Features

IP.com Disclosure Number: IPCOM000110614D
Original Publication Date: 1992-Dec-01
Included in the Prior Art Database: 2005-Mar-25
Document File: 2 page(s) / 53K

Publishing Venue

IBM

Related People

Barina, RM: AUTHOR [+4]

Abstract

Disclosed is a feature of a machine cover for aligning a push button, which is part of a switch assembly, relative to an aperture in the cover through which the button operates.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 81% of the total text.

Machine Cover with Switch Button Locating Features

       Disclosed is a feature of a machine cover for aligning a
push button, which is part of a switch assembly, relative to an
aperture in the cover through which the button operates.

      Fig. 1 shows a button 10 extending through an aperture 12 in a
machine cover 14 made of a thermoplastic material.  Button 10 is
mechanically connected to a switch mechanism 16, which opens and
closes internal electrical contacts, electrically connected to
terminals 17 extending from the switch mechanism, as button 10 is
depressed in the direction of arrow 18.  For example, these terminals
17 may be included in a power supply circuit, so that electrical
power within a system is turned on when button 10 is depressed once
and off when this button is depressed again.

      Switch mechanism 16 is mounted, for example, by the attachment
of terminals 17 to a circuit board 20, which is, in turn, mounted to
a framework (not shown), along with cover 14.  Because of allowable
variations in the location of switch 16 relative to cover 14, the
mechanical connection between button 10 and switch 16 is loose,
allowing movement in the plane perpendicular to arrow 18.

      Eight inward-extending ribs 22 are provided around aperture 12
as integral portions of cover 14 to hold button 10 centrally located
relative to this aperture.  The locations of these ribs 22 are shown
in Fig. 2, which is taken as indicated by line II-II in Fig....