Switch device
AssigneeKabushiki Kaisha Tokai Rika Denki Seisakusho
InventorsToshiaki Imai, Ryoji Takahashi, Shuichi Iwata
Life of this patent
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Abstract
A switch device includes an operation button to be push-operated, and a sealing portion for sealing a gap between the operation button and an opening through which the operation button is inserted. The sealing portion may include a ring-shaped first seal that is in contact with the operation button and exhibits sealing properties, and a second seal that is harder than the first seal and is located on the outer side of the first seal. The first seal and the second seal may be integrated so as to form a frame of the sealing portion.
Claims5
A switch device, comprising:
- an operation button to be push-operated;
- a main body comprising an opening in which the operation button sits;
- and
- a sealing portion for sealing a gap between the operation button and the opening,
- wherein the sealing portion comprises:
- a ring-shaped first seal that is in contact with the operation button and exhibits sealing properties;
- and
- a second seal that is harder than the first seal and is located on the outer side of the first seal, and
- wherein the first seal and the second seal are integrated so as to form a frame of the sealing portion,
- wherein the main body is disposed outside of the second seal, and
- wherein the sealing portion is not fixed to the operation button,
- wherein the main body further includes a bezel comprising an opening to expose the operation button and an attachment portion to which the bezel is attached, and
- wherein the attachment portion has a shape of a cylinder, the operation button is inserted through the cylinder, and the sealing portion is attached to an edge of the cylinder.
A switch device, comprising:
- an operation button to be push-operated;
- a main body comprising an opening in which the operation button sits;
- and
- a sealing portion for sealing a gap between the operation button and the opening,
- wherein the sealing portion comprises:
- a ring-shaped first seal that is in contact with the operation button and exhibits sealing properties;
- and
- a second seal that is harder than the first seal and is located on the outer side of the first seal, and
- wherein the first seal and the second seal are integrated so as to form a frame of the sealing portion,
- wherein the main body is disposed outside of the second seal, and
- wherein the sealing portion is not fixed to the operation button,
- wherein the first seal comprises a base integrated with the second seal and a contact portion to contact the operation button, and wherein the contact portion protrudes from the base in a radial direction of the operation button.
Dependencies are inferred from the claim text.