Rotary line switch

Details Rotary line switch Rotary line switch

H - Electricity

01

H

306/313

H01H 19/14 (2006.01) H01H 19/28 (2006.01)

Patent

CA 1330100

AN IMPROVED ROTARY LINE SWITCH ABSTRACT OF THE DISCLOSURE An improved rotary line switch characterized by comprising an upper cover, a lower cover with trapezoid blocks and mushroom blocks on the internal walls, a contact strip fixed to the mushroom block at one end of the lower cover, an inverted U shaped catch-contact strip having a catch end and a contact end and fixed to the mushroom block at the other end of the lower cover, a control consisting of a knob and a lower ratchet wheel and an upper ratchet wheel with four teeth each, and a special screw having a journal for the control to fit on and used to put the upper and lower cover together, and being constructed in such way that the S shaped end of the contact strip engages with the tooth of the lower ratchet wheel while the catch end of the catch-contact strip engages with the tooth of the upper ratchet wheel and serves as a catch of the same, and that when the knob is turned 90 degrees each time the lower ratchet wheel will push the S shaped end of the contact strip to contact with the contact end of the catch-contact strip once.

557411

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