Switch

Abstract

PURPOSE: To make a required space for the axial direction of a cam small by setting one of two movable contact plates to be selectively pressed by rotation of the cam to be of a lift-off type, and the other to be a lift-on type. CONSTITUTION: While a semi-circular cam 53 presses a right side movable contact plate 56, both of the movable contact plates 56, 56 get apart from fixed contact plates 57, 57 to be off. For pressing the left side contact plate 56 by the cam by rotation of the cam 53 corresponding to operation of a switch handle, the contact plates 56, 56 get in contact with the contact plates 57, 57 to be on. Two circuits are thus put on and off almost simultaneously, and a required space for the contact plates 56 in the axial direction of the cam 53 is similar to that for one contact plate 56, thereby a device can be sized thin effectively. COPYRIGHT: (C)1991,JPO&Japio

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