Key switch

Details Key switch Key switch

1981-05-14

1984-02-14

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 6B, 200 6C, H01H 900, H01H 1300

Patent

active

044318766

ABSTRACT:
A key switch comprises a casing, at least one key slide guided in the cas against the force of a spring and at least one J-shaped leaf spring having a long spring arm and a short spring arm connected to the long arm by a curved intermediate part, the leaf spring being clamped to assume a unilateral curvature between two abutments, one fixed and the other moveable, the leaf spring having the free end of its long spring arm supported in a first abutment in the key slide and its curved intermediate part in a second abutment formed in a fixed contact member provided in the casing. For providing a minimum space the leaf spring is mounted parallel to the sliding direction in an elongated recess of the key slide.

REFERENCES:
patent: 3675504 (1972-07-01), Schuh
patent: 3792387 (1974-02-01), Arrington et al.
patent: 4035596 (1977-07-01), Marquardt et al.
patent: 4177367 (1979-12-01), Tirone et al.

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