Patent ID: 8129643
Filing Date: 2012-03-06
Classification: H01H

Abstract:
1. A pushbutton type switch device comprising: a switch element in which a dome-shaped reversing spring is accommodated in a switch casing; a holder, which is mounted to an outside portion of the switch casing so as to define a position relative to the switch casing and has a perforation hole formed at a position adjacent to a center portion of the reversing spring so as to face the center portion; and a driving protrusion, which is inserted through the perforation hole so as to reciprocate and is driven to push the reversing spring, wherein the holder includes a rectangular ceiling plate portion and arm pieces that protrude in a substantially cross direction from the rectangular ceiling plate portion, wherein the arm pieces include a pair of holding arm pieces and a pair of positioning arm pieces, front end portions of the pair of holding arm pieces being respectively provided with elastic leg portions, front end portions of the pair of positioning arm pieces being respectively provided with positioning pins, wherein the positioning pins are inserted into positioning holes formed at a predetermined position of an interconnection substrate mounted on an upper portion of the switch casing and the elastic leg portions are snap-connected to notch portions of the interconnect substrate so as to mount the holder to the interconnect substrate, the switch casing is whereby held on the interconnection substrate.