Contact mechanism of electrical contact pieces

Details Contact mechanism of electrical contact pieces Contact mechanism of electrical contact pieces

H - Electricity

01

H

306/103, 306/330

H01H 1/18 (2006.01)

Patent

CA 1279687

ABSTRACT OF THE DISCLOSURE In a contact mechanism having electrical contact pieces in a switching device integrated with a spring plate fixed at one end, a wiping movable contact piece is fixed to the other end of the spring plate and has a semispherical shape at the contact portion, and a fixed contact piece also has a semispherical shape at its contact with a movable contact piece. The level of the apex of the contact area of the movable contact piece is shifted toward the support point side of the movable contact piece from the level of the apex of the contact area of the fixed contact piece. Conversely, the level of the apex of the contact area of the fixed contact piece is shifted toward the lower base stand side from the level of the apex of the contact area of the movable contact piece. As a result, the movable contact piece can surely and easily contact and separate from the fixed contact piece, and the movement of the movable contact piece in sliding is improved.

506026

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