US Patent 7851714 Switch

A switch which can prevent detraction of insulation of fixed contacts and facilitate design, manufacturing and assembling works and can be miniaturized is disclosed. In a power window switch, an earth fixed contact 6e is provided at the center and a manual-up fixed contact, an automatic-up fixed contact, a manual-down fixed contact, and an automatic-down fixed contact are arranged in the right-and-left direction are provided as fixed contact on a board along which movable contacts provided to a movable piece are slid by reciprocating motion of the movable piece in the right-and-left direction. The manual-up/down fixed contacts are nearer to the earth fixed contact than the automatic-up/down fixed contacts. The earth fixed contact is designed so that side portions of the earth fixed contact which are near to the manual-up/down fixed contacts are concaved with respect to side portions near to the automatic-up/down fixed contacts.