1
T Takano, Y Kosuga, K Sinzawa: Waterproof and dustproof push switch. Daiichi Denso Buhin, Nixon & Vanderhye, November 5, 1991: US05063277 (13 worldwide citation)

A push switch includes an electrically insulating cylindrical base defining an interior space in which an actuator is movably disposed. Fixed contacts are associated with the base, while an inverted V-shaped contact is carried by the actuator so as to be capable of coming into contact with the fixed ...


2
Takano Tsunesuke, Sinzawa Kouichi, Kosuga Yuji: Interrupteur a bouton-poussoir a lepreuve de leau et de la poussiere, Waterproof and dustproof push switch. Daiichi Denso Buhin, MARKS & CLERK, May 3, 1994: CA2019822

ABSTRACT OF THE DISCLOSURE A push switch which can be easily assembled,comprising: an insulating cylindrical body; fixed contactsdisposed so as to confront confronting-inner walls of thecylindrical body; a substantially inverted V-shaped movablecontact which comes in contact with the fixed contacts; ...