Patent · US Expired

Electric device for switching between at least three different contacts

US6672758B2 · kind B2 · utility

107Cited by
11References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 2001
Grant dateJan 6, 2004
Priority date
Expiry dateDec 1, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04B3/04
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The wall of a case includes a U-shaped recess with two through passages (11, 17) for a control stem (20) held in a neutral position by a spring (27) and guided in the outer passage (11) by an O ring (25) allowing translation and tilting movements, and in the inner passage (17) by a contour of oblong shape allowing the end (22) to close an electric contact (32) by pressure and two other contacts (31, 33) by tilting. Application to an electronic timepiece.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.