Self-aligning spring mechanism for an electrical switch

Details Self-aligning spring mechanism for an electrical switch Self-aligning spring mechanism for an electrical switch

1985-09-26

1987-09-08

Salce, Patrick R.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

335 46, 335 79, 335 81, 335 83, 200251, H01H 300

Patent

active

046927280

ABSTRACT:
An electromagnetically operated relay having a spring which compensates for misalignment of a moveable block as shown and described. The movable block reciprocates within said relay housing in response to forces exerted by the electromagnet. The block includes projections which engage openings in an leaf spring which biases the block. The spring to block engagement provides compensation for misalignment of the block, and for unequal forces applied to the block and/or spring.
The compensation provided by the spring to block engagement is achieved by a loose fit between projections on the slidable block and openings in the spring. The freedom of movement provided by the slots allows the spring to bulge in a direction opposite to the force on the spring end with respect to the sliding block. By creation of this bulge between the two two projections on the sliding block, compensation is provided to the spring system. The compensation is produced by the bulge which in turn forces the opposite end of the spring to move in the direction of movement of the first end. By this compensation, parallel movement of the sliding block is assured.

REFERENCES:
patent: 3517358 (1970-06-01), Davis

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