| 摘要 |
PROBLEM TO BE SOLVED: To actualize a long stroke by changing the product shape of a round long stroke dome type movable armature to an oval or rectangular shape, and to effectively utilize the inside of a switch case.SOLUTION: There is provided a long stroke dome type movable armature (1), which comprises: a dome type armature (2) with a click function which is formed by forming an oval or rectangular elastic metal thin plate into a dome type; a slit (3) of an L-shaped or triangular hole formed with a top position directed to a center part while a center part, diagonal parts, and four side parts of the dome type armature (2) are left; a center part (4) formed at the center part of the dome type armature (2); an outer peripheral part (5) formed at the four side parts of the dome type armature (2); and predetermined-width arm parts (6) formed along diagonals (8) between slits (3) at adjacent positions to connect the center part (4) and outer peripheral part (5) to each other. |
