Patent ID: 7329821

Claim:
A sealed pushbutton switch, comprising: an insulative housing defining a cavity; a plurality of fixed contacts symmetrically exposed beside opposite sides of the insulative housing; an actuator moveably retained in the cavity of the insulative housing; a moveable contact fastened to the actuator and symmetrically formed with a plurality of elastic beams extending toward opposite sides of the insulative housing, each elastic beam being provided with a contact portion contactable to corresponding fixed contacts; a spring mounted below said actuator; and a base on which the fixed contacts are mounted, wherein said base together with the fixed contacts are attached to an opening of the insulative housing; wherein when said actuator is pressed and moves together with said moveable contact from a first position to a second position relative to the insulative housing along a top-to-bottom direction, an electrical connection between said moveable contact and the fixed contacts comes to break; wherein said base defines therein a plurality of retaining channels, and wherein each fixed contact has a body portion retained in corresponding retaining channel and provided with an engaging portion exposed on the base for engaging with corresponding contact portion of said moveable contact; wherein said body portion of the fixed contact is L-shaped, and has an indentation defined beside the engaging portion for enclosing corresponding contact portion of the moveable contact, when the moveable contact is in the second position.