US 12,002,634 B2
Pressing mechanism of push switch and push switch
Hidetaka Sato, Miyagi (JP); Shinya Makino, Miyagi (JP); and Naoki Hanawa, Miyagi (JP)
Assigned to ALPS ALPINE CO., LTD., Tokyo (JP)
Filed by ALPS ALPINE CO., LTD., Tokyo (JP)
Filed on Jun. 7, 2022, as Appl. No. 17/805,739.
Application 17/805,739 is a continuation of application No. PCT/JP2020/043094, filed on Nov. 18, 2020.
Claims priority of application No. 2019-222452 (JP), filed on Dec. 9, 2019.
Prior Publication US 2022/0301790 A1, Sep. 22, 2022
Int. Cl. H01H 13/14 (2006.01); H01H 13/20 (2006.01)
CPC H01H 13/14 (2013.01) [H01H 13/20 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A pressing mechanism of a push switch, the pressing mechanism comprising:
an operation member configured to be pressed; and
a leaf spring member that includes a dome portion bulging in a dome shape and an opening portion provided in a central portion of the dome portion, the leaf spring member generating a tactile sensation on the operation member by an inverting operation of the dome portion in response to being pressed by the operation member,
wherein the operation member includes
a first pressing portion configured to press a movable contact point member against a fixed contact point member through the opening portion,
a second pressing portion configured to press the dome portion, and
a base portion having a pressing surface,
wherein the first pressing portion and the second pressing portion are provided on the pressing surface of the base portion such that the first pressing portion is disposed at a center area and the second pressing portion is disposed outside the first pressing portion in a plan view, and
wherein the first pressing portion and the second pressing portion are spaced apart from each other on the pressing surface of the base portion.