H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 33/66 (2006.01) H01H 33/666 (2006.01)
Patent
CA 2120149
Abstract Multi-pole vacuum switch with a pole operating unit for each vacuum switching tube A multi-pole vacuum switch (1) has, for each vacuum switching tube (10), a pole operating unit (5) with a lever arrangement for changing the direction of movement produced by a drive device (3). In a casing (16) of the pole operating unit (5), two toggle levers (21, 22) are arranged, one (21) of which is connected to the operating plunger (12) of the vacuum switching tube (10) and the other of which is connected to a supporting lever (25) which acts on a contact pressure spring (32) via a pull rod (30). In the switched-on position, the toggle levers (21, 22) are close to dead centre. An adjustment device (40, 42) permits the toggle levers (21, 22) to be adjusted in relation to the supporting lever (25). FIG 2
Binder Manfred
Gruner Werner
Schmidt Detlev
Seebold Ralf
Steinemer Norbert
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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