Magnetically operated hinge switch

Details Magnetically operated hinge switch Magnetically operated hinge switch

2005-05-17

2005-05-17

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

C335S151000

Reexamination Certificate

active

06894595

ABSTRACT:
A switch has a unitary plastic body that can be formed by injection moulding or extrusion. The body has a base that holds a magnetic field sensor. The base is fastened to a support structure by a plurality of fasteners. The base is connected to an arm by an elastic U-shaped portion of the plastic body that acts as both a hinge and a biasing member. The arm positions an activation magnet over the base and the sensor. The arm does not block access to fasteners that mount the switch to the support structure.

REFERENCES:
patent: 3924631 (1975-12-01), Mancusi, Jr.
patent: 6060969 (2000-05-01), Hufgard et al.
patent: 6175290 (2001-01-01), Forsythe et al.
“59200 Lever Arm Sensor Features and Benefits,” Breed Electronics data sheet, 2000.
“59230 Robust Lever Arm Sensor Features and Benefits” Hamlin data sheet, 2001.

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