Current collector and gas circuit breaker
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United States of America Patent
Stats
-
Dec 16, 2003
Grant Date -
Sep 18, 2003
app pub date -
Sep 25, 2002
filing date -
Mar 14, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A current collector, in which contact portions are free from dissolved loss even both fixed and moving contacts slidingly contact with each other, and durability as well as a current-carrying perfomance is improved, including a container, which is filled with an insulating arc-extinguishing medium and in which a cylindrical-shaped fixed contact and an torus-shaped contact disposed concentrically with the fixed contact and adapted to come into fitting contact with the fixed contact to carry current are received, and a torus-shaped current collecting member formed from a conductive material and provided on a contact portion of the torus-shaped contact.
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