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US 9,869,378 B2Granted
Load application device
AssigneeNHK Spring Co., Ltd.
InventorsTakao Kobayashi, Takahiro Ito, Yoshiyuki Takahashi, Kazuhito Hiraoka
Life of this patent
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Abstract
A load-applying device is provided that includes a spiral spring that is formed from a thin strip that is wound multiple times in a spiral shape; a movable body; and a fixing member. The spiral spring is disposed between the movable body and the fixing member, in a manner capable of performing a diameter reduction operation and a diameter expansion operation, and an outer-circumference part of the spiral spring contacting the movable body and the fixing member directly, or indirectly.
Claims14
A load-applying device comprising:
- a spiral spring that is formed from a thin strip that is wound multiple times in a spiral shape;
- a movable body;
- and
- a fixing member;
- said spiral spring being disposed between said movable body and said fixing member, in a manner capable of performing a diameter reduction operation and a diameter expansion operation, and an outer-circumference part of said spiral spring contacting said movable body and said fixing member directly, or indirectly, such that said moveable body and said fixing member contact said outer-circumference part of said spiral spring with respect to a radial direction of said spiral spring.
2 more elements
Dependencies are inferred from the claim text.