Dynamic damper and propeller shaft
AssigneeShowa Corporation
InventorsKazunobu Haneishi, Katsuhide Sasaki
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Abstract
This invention provides a dynamic damper 10, in which convex portions 21 protruded in the direction of the inside diameter are provided at plural positions along the circumference of the outer pipe 20, and an elastic body 40 is held between the convex portion 21 and the outer circumference of the weight 30. A stopper portion 32 which is capable of engaging the convex portion 21 of the outer pipe 20 in the axial direction of the pipe is provided on the weight 30.
Claims20
A dynamic damper comprising an outer pipe, a weight disposed inside the outer pipe and an elastic body interposed between the outer pipe and the weight,
- convex portions protruded in the direction of the inside diameter are provided at a plurality of positions along the circumference of the outer pipe, and an elastic body is held between the convex portion and the outer circumference of the weight, and
- a stopper portion disposed on the weight, the stopper portion being engagable with the convex portion of the outer pipe in the axial direction of the outer pipe by relative moving of the outer pipe and the weight.
Dependencies are inferred from the claim text.