Damper device
AssigneeKabushiki Kaisha Strawberry Corporation
InventorYoshitaka Hayashi
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AssigneeKabushiki Kaisha Strawberry Corporation
InventorYoshitaka Hayashi
Estimating the term…
An object of the present invention is to provide a novel damper device that has an extremely high commercial value. A damper device is constructed so that a shaft 2 inserted relatively rotatably into an axial hole 1a provided in a bearing portion 1 is provided, a high flexible resin portion 3 such as urethane or rubber is provided in either one or both of an outer circumferential surface of the shaft 2 and the inner surface of said axial hole 1a, and a recess portion 4 with which the high flexible resin portion 3 contacts and into which said high flexible resin portion 3 bites by relative rotation of the shaft 2 to the bearing portion 1 is provided in either one or both of the inner surface of the axial hole 1a and the outer circumferential surface of the shaft 2 whereby dampening effect may be generated by the contact resistance when the shaft 2 and the bearing portion 1 are rotated relative to each other.
(Amended) A damper device characterized in that a shaft inserted relatively rotatably into an axial hole provided in a bearing portion is provided, a high flexible resin portion such as urethane or rubber is provided [in either one or both of] between an outer circumferential surface of the shaft and the inner surface of said axial hole in an intervening manner, [and] a recess portion with which the high flexible resin portion contacts and into which said high flexible resin portion bites by relative rotation of the shaft to the bearing portion is provided in [either one or both of the inner surface of the axial hole and] the outer circumferential surface of the shaft whereby dampening effect may be generated by the contact resistance when the shaft and the bearing portion are rotated relative to each other[.], said recess portion is formed by forming a recess groove in an axial direction in the outer circumferential surface of the shaft, and said high flexible resin portion is constituted by a tubular soft member provided with a suitable flexibility and the shaft provided with the recess portion is inserted relatively rotatably into the axial hole of said bearing portion in which the tubular soft member being internally fitted whereby dampening effect due to the contact resistance between the shaft and the tubular soft member is generated when the shaft is rotated relative to the bearing portion.
Dependencies are inferred from the claim text.