Electricity: circuit makers and breakers – Electric switch details – Contact
Patent
1986-10-03
1988-10-25
Recla, Henry J.
Electricity: circuit makers and breakers
Electric switch details
Contact
200336, 200 11DA, 200 11G, 200275, H01H 1958
Patent
active
047805838
ABSTRACT:
An electrical switch suitable for a miniature apparatus such as a wristwatch comprises a resilient contact plate which is mounted on a member capable of rotating about an axis. The contact plate has two arms which extend radially from a rigid or mounted central portion. The outer ends of the arms are supported on a contact member, the arms being elastically deformed by the action of the contact forces. The two arms have different lengths and they are weakened in a different manner by apertures at their mounting location. Consequently, it is possible to achieve ideal compensation for the couples produced by the contact forces. In addition, an ideal deformation of the arms of the contact plate is obtained, as well as a well-defined position for the bearing points of the contacts.
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IBM Technical Disclosure Bulletin, vol. 27, No. 4B, Sep. 1984.
Cusick Ernest G.
Paolo Spadini
Recla Henry J.
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