Automatic magnetic switch

Details Automatic magnetic switch Automatic magnetic switch

H - Electricity

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306/47

H01H 36/00 (2006.01) H01H 3/28 (2006.01) H01H 33/66 (2006.01) H01H 33/88 (2006.01) H01H 71/32 (2006.01) H01H 73/38 (2006.01) H01H 77/06 (2006.01)

Patent

CA 1107326

AUTOMATIC MAGNETIC SWITCH ABSTRACT An automatic magnetic switch comprises a switch casing and a cover, an over-load or short-circuit protection means and a manual magnetic switch installed in the switch casing, and a magnetic control means contained in a sub-casing of the switch. The manual magnetic switch has a substantially closed casing. A conductive plate with an electrical contact is fixedly mounted in the casing. Another conductive plate, generally rigid and inflexible, has an electrical contact mounted thereon and is mounted inside the casing for pivoting or sliding movement. Magnetic members, such as permanent magnets, one on the movable plate and one outside the casing urge the movable plate to a contact engaging position when the outside magnetic member is brought proximate to the casing, and a spring is used to restore the movable plate to its non-engaging position when the outside magnetic member is moved away from the casing. The magnetic control means has a T lever to be actuated by the protection means, a control lever having a second magnet mounted thereon corresponding to a first magnet on the T lever, a pair of first and second control slots mounted on the couple arm of the control lever to lock in the first and second stop recesses of a control rod thereby to control the outside magnet moving away from or bringing approximate to the switch casing.

302175

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