Switch device for regulating movement of operation member
AssigneeToyo Denso Kabushiki Kaisha
InventorEikichi Chin
Life of this patent
Estimating the term…
Abstract
A switch device reduces an impact sound generated when the operation member returns to its original position. The switch device includes a housing member, an operation knob accommodated in the housing member and capable of being pushed, and a spring that urges the operation knob in a direction opposite to the pushing direction. The housing member includes a two-pronged stopper that regulates the movement of the operation knob in the opposite direction. The operation knob includes a tab that abuts on the two-pronged stopper. When the movement of the operation knob in the opposite direction is regulated, the two-pronged stopper and the tab make a line contact first.
Claims5
A switch device comprising:
- a housing member;
- an operation member accommodated in the housing member and capable of being pushed;
- and
- an urging member that urges the operation member in a direction opposite to a pushing direction,
- wherein:
- the housing member includes a regulating portion that regulates movement of the operation member in the opposite direction,
- the operation member includes a portion to be regulated that abuts on the regulating portion,
- the regulating portion and the portion to be regulated are once apart from each other before the portion to be regulated abuts on the regulating portion,
- when the movement of the operation member in the opposite direction is regulated, the regulating portion and the portion to be regulated make a line contact with each other first,
- the regulating portion is formed by a two-pronged receiving portion extending in the pushing direction,
- the portion to be regulated is formed by a protrusion protruding from the operation member,
- the movement of the operation member is regulated in a state where the protrusion abuts on the receiving portion,
- when assuming the pushing direction as a standard direction, a tilt angle regarding the standard direction of a first slope formed at a portion of the receiving portion abutting on the protrusion is different from a tilt angle regarding the standard direction of a second slope formed at a portion of the protrusion abutting on the receiving portion, and
- the tilt angle of the first slope is gentler than the tilt angle of the second slope.
Dependencies are inferred from the claim text.