U.S. Utility Patent 5,003,140 (US5003140A)

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Provided by the ASK Keyboard Patents database

A patent diagram of Maxi Switch's long keybutton stabilizer from a right-side perspective

Applied 26th June 1989

Published 26th March 1991

Expired 26th June 2009

More informaion

Name	Long keybutton stabilizer
Inventors	William A. Abell, Jr., David A. Bruner
Assignees	Maxi Switch, IBM Information Products
Description	An invention of a plastic wire-style key stabiliser that compared to metal ones can be made with the keycap itself, avoiding the need for additional assembly or mating. They were used on the Model M1 and Model M2 family keyboards for keys 2+ units long or wide.

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