Push button assembly and electronic watch including the same

Details Push button assembly and electronic watch including the same Push button assembly and electronic watch including the same

1975-09-29

1977-08-23

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

58 90B, 200159R, 200340, G04B 1930, H01H 312

Patent

active

040431150

ABSTRACT:
A push button assembly for an electronic watch or the like includes a metallic body with an axial bore in which a metallic stem is forwardly slideable from a rear terminal position against the action of a spring member. By mounting an insulating tubular locator sleeve of known length on the forward end of the body, the forward end of the stem is axially spaced rearwardly of the forward free end of the locator sleeve a predetermined distance. With such push button assembly, the stem may electrically engage a contact independent of the accumulation of tolerances associated with the manufacture of the cases and the modules which the push button assemblies are assembled.

REFERENCES:
patent: 3367206 (1968-02-01), Moody
patent: 3783607 (1974-01-01), Feurer
patent: 3792219 (1974-02-01), Rowley
patent: 3924400 (1975-12-01), Carlone
patent: 3946182 (1976-03-01), Holder
patent: 3952176 (1976-04-01), Holder et al.

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