H - Electricity – 01 – H
Patent
H - Electricity
01
H
235/96
H01H 13/14 (2006.01) H01H 13/705 (2006.01)
Patent
CA 1319352
-6- QUIET KEY SWITCH Abstract A key switch utilizing a buckling compression spring to move a switch actuator mechanism includes a cylindrical core of resilient material located within an opening formed by the coils of the compression spring to attenuate the acoustical energy generated by the buckling and unbuckling action of the spring.
594926
Gotfryd Casimer
Kay Stephen L.
Klotz Hartland P.
Wentzel Robert M.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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