H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/327
H01H 3/02 (2006.01) H01H 3/30 (2006.01)
Patent
CA 1276216
ABSTRACT OF THE DISCLOSURE An operating mechanism for an electrical switch comprises a drive mechanism and a drive lever having an engaging surface and connected to the drive mechanism for rotation about an axis. The operating mechanism also comprises an actuating lever rotatable about the axis independently of the drive lever and having a first and a second engagement surface for engaging the engaging surface of the drive lever, the actuating lever being rotated when the engaing surface of the drive lever engages and pushes the first engagement surface of the actuating lever. Also, an energy storing means is connected in an over-center relationship to the actuating lever for selectively storing and discharging spring energy for opening and closing the electrical switch in accordance with the rotational movement of the actuating lever. The operating mechanism further comprises a driven lever rotatable about the axis independently of the drive lever and the actuating lever and having an engagement surface, the driven lever being connected to a movable contact of the electrical switch for opening and closing the contacts in accordance with the rotational movement of the driven lever, and the driven lever being rotatable when the actuating lever rotates and the second engagement surface of the actuating lever pushes the engagement surface of the driven lever. A single common shaft is used for mounting thereon all of the drive lever, the actuating lever and the driven lever.
504898
Kondo Tadashi
Yabe Kiyoshi
Marks & Clerk
Mitsubishi Denki Kabushiki Kaisha
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