Browse Prior Art Database

Mechanical Power Switch Interlock

IP.com Disclosure Number: IPCOM000120704D
Original Publication Date: 1991-May-01
Included in the Prior Art Database: 2005-Apr-02
Document File: 1 page(s) / 30K

Publishing Venue

IBM

Related People

Allen, DV: AUTHOR

Abstract

Disclosed is a mechanical method to prevent machine access by cover removal with power on and to also prevent switching power on with cover off.

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

Mechanical Power Switch Interlock

      Disclosed is a mechanical method to prevent machine access by
cover removal with power on and to also prevent switching power on
with cover off.

      A tapered block raised or lowered by a tab on the machine cover
provides the mechanical action.

      With the power switch off (Fig. 1), cover removal lowers the
tapered block which engages with the power switch toggle, preventing
power from being turned on.

      With the power switch on (Fig. 2), a standing rib on the
tapered block engages with a slot on the cover tab preventing cover
removal.

      Disclosed anonymously.