Patents by Inventor Hirotaka Oohori

Hirotaka Oohori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10229797
    Abstract: A push switch includes: a hollow housing having an inner circumferential surface formed with a guide part; an operation button formed with a first ratchet tooth; a cam follower including a cam part, and a second ratchet tooth, and being movable up and down in an axial direction and rotatable in a circumferential direction; a first spring; an engagement piece engaged with the cam follower; a movable contact; a metallic contact member rotatable integrally with the cam follower; a fixed terminal including contacts to be switched by rotating the contact member; and a base on which the fixed terminal is fixed. The contact member defines a through hole at a rotation center of the contact member. The base includes a rotation axis part inserted in the through hole and serving as the rotation center of the contact member.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: March 12, 2019
    Assignee: MIYAMA ELECTRIC CO., LTD.
    Inventors: Fumio Yoshida, Hirotaka Oohori, Kotaro Endo, Akishige Kasegawa
  • Publication number: 20170243706
    Abstract: A push switch includes: a hollow housing having an inner circumferential surface formed with a guide part; an operation button formed with a first ratchet tooth; a cam follower including a cam part, and a second ratchet tooth, and being movable up and down in an axial direction and rotatable in a circumferential direction; a first spring; an engagement piece engaged with the cam follower; a movable contact; a metallic contact member rotatable integrally with the cam follower; a fixed terminal including contacts to be switched by rotating the contact member; and a base on which the fixed terminal is fixed. The contact member defines a through hole at a rotation center of the contact member. The base includes a rotation axis part inserted in the through hole and serving as the rotation center of the contact member.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 24, 2017
    Inventors: Fumio Yoshida, Hirotaka Oohori, Kotaro Endo, Akishige Kasegawa