Electricity: circuit makers and breakers – Solid contact – Reciprocating actuator
Patent
1998-04-09
1999-07-27
Scott, J. R
Electricity: circuit makers and breakers
Solid contact
Reciprocating actuator
200 16R, H01H 1500, H01H 150
Patent
active
059274859
ABSTRACT:
An auxiliary switch arrangement is located inside a housing (1) and is equipped with at least two fixed contact pieces (2, 3, 4), with one connecting contact bridge (9, 10) which can be uncoupled in pairs from the contact bridge. The contact bridge (9, 10) is formed onto one end of a U-shaped curved leaf spring strip (11), transverse to the longitudinal direction of the leaf spring strip (11). The other, free end (12) of the leaf spring strip (11), is fastened inside the housing (1). The leaf spring strip (11) is pre-tensioned by the amount of contact pressure in the contact-making position of the contact bridge (9, 10). A slide (14) equipped with linear cams (15, 18, 19, 20, 21), which moves in a guide inside of the housing (1), lifts the movable contact pieces (17) off the fixed contact pieces (2, 3, 4) in the switched-off position. The slide (14) is actuated through an extension (16) by a switching device. The design of the leaf spring strip (11) permits an economically advantageous manufacture and automatic assembly of the auxiliary switch.
REFERENCES:
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patent: 3770921 (1973-11-01), Wilbrecht
patent: 4331844 (1982-05-01), Saitoh
patent: 4366351 (1982-12-01), Ditzig
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patent: 4885435 (1989-12-01), Dix
patent: 4983788 (1991-01-01), Pardini
Linek Reiner
Schimkat Manfred
Allen-Bradley Company
Horn John J.
Luettgen David G.
Miller John M.
Scott J. R
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