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Browse Prior Art Database

Switch Actuator

IP.com Disclosure Number: IPCOM000101940D
Original Publication Date: 1990-Sep-01
Included in the Prior Art Database: 2005-Mar-17
Document File: 3 page(s) / 77K

Publishing Venue

IBM

Related People

White, G: AUTHOR

Abstract

This article describes a mechanism for actuating from outside, a machine switch buried inside the machine cover.

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

Switch Actuator

       This article describes a mechanism for actuating from
outside, a machine switch buried inside the machine cover.

      Typically, a machine internal subassembly and the external
cover are configured so that the mechanism to be manually actuated
extends through the cover.  In another configuration buttons are
mounted on an elastic diaphragm so that they protrude through a large
hole or separate holes in the cover.  The reverse sides of the
buttons or the diaphragm itself can be used to actuate mechanisms
such as switches.

      A switch actuator usually consists of a push button, springs,
guides and other items, which is a complex assembly that is labor
intensive to assemble.  The switch actuator disclosed herein consists
of a simple plastic injection-molded part which attaches to a machine
bezel via simple snaps molded integrally with the machine or system
bezel.

      Referring to the drawings, Fig. 1 is a perspective view of a
typical bezel showing the switch actuator separated from the snaps.
Fig. 2 is sectional view across A-A of Fig. 1.  Fig. 3 is a detail
view from Fig. 2 showing the switch actuator and switch in a
depressed position.  In operation, the snaps act as pivots, allowing
the actuator to swing, thereby converting a rotary motion into a
linear motion.