Step switch with selector

Details Step switch with selector Step switch with selector

2005-02-01

2005-02-01

Scott, James R. (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

C200S018000, C200S275000

Reexamination Certificate

active

06849813

ABSTRACT:
The invention relates to a tap selector switch with a preselector for uninterrupted switching-over between different winding taps of a tapped transformer. The entire selector is in that case accommodated as a separate assembly in an own insulating material housing, and the fixed preselector contacts are constructed in circular form and arranged around a switch rod in different planes in the interior of this insulating material cylinder. Connection to them is made by preselector contact bridges, which are fastened to the switch rod, with radially resilient contact members.

REFERENCES:
patent: 2923800 (1960-02-01), Borde et al.
patent: 3176089 (1965-03-01), Bleibtreu et al.
patent: 3396254 (1968-08-01), Bleibtreu
patent: 3546535 (1970-12-01), Riemsdijk
patent: 4931599 (1990-06-01), Bleibtreu
patent: 6495779 (2002-12-01), Dobler et al.
patent: 1 249 990 (1960-11-01), None
patent: 22 10 642 (1973-09-01), None
patent: G 93 08 424.2 (1994-03-01), None
patent: 198 36 463 (1999-10-01), None
patent: 0 252 400 (1988-01-01), None
patent: 2 066 620 (1971-08-01), None
patent: 2 225 877 (1974-11-01), None
On-Load Tap-Changer Type RS 16.
On-Load Tap-Changer Type RS 12.

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