Patent ID: 6897389
Filing Date: 2005-05-24
Classification: H01H

Abstract:
1. An electrical switch comprising a housing having an opening, a plurality of fixed contacts located in the housing, a switching member supported in the housing for movement, at least one moving contact movable by the switching member for movement to come into contact with and out of contact from the fixed contacts, and an actuator disposed in the opening for movement to actuate the switching member and in turn the moving contact, with a gap formed between the actuator and the housing, wherein a resiliently deformable seal comprising a sleeve is connected across the gap and has an inner part that is resiliently deformable, an outer part that is considerably thicker than the inner part and surrounds and protects the actuator, and opposite open ends connected to the housing and the actuator respectively, a first of the open ends being disposed around and surrounding the corresponding one of the housing and the actuator thereby sealing off the gap and avoiding entrance of foreign matter through the gap into the housing.