Push-button switch

Details Push-button switch Push-button switch

H - Electricity

01

H

H01H 13/12 (2006.01) H01H 3/34 (2006.01) H01H 3/50 (2006.01)

Patent

CA 2655702

The invention provides a push-button switch includ- ing: a star wheel (15) which is rotated by a constant an- gular step in one direction by a depression of a push but- ton (4) that automatically returns; an indenter (7) which is pressed against the outer periphery of the star wheel (15) by a spring (8); a contact (9) which is attached so as to corotate with the star wheel (15), and which serves as a movable contact; and terminals (10, 11, 12) with which the contact (9) is contacted in accordance with a rotation angle, and which serve as stationary contacts. A small projection (16) having a rounded tip end is disposed in each of ridge portions (15a) of the star wheel (15). Even when the slope of each ridge portion (15a) does not have a large inclination angle, the star wheel (15) is prevented from being stopped at a position where the ridge portion (15a) is opposed to the indenter (7).

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