Tensioner
AssigneeKoyo Seiko Co., Ltd.
InventorsYasushi Kadota, Yoshikazu Nishida
Life of this patent
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Abstract
A tensioner comprising a solid cylindrical fixed member to be fixedly attached to a stationary portion, a movable eccentric member in the form of a solid cylinder and eccentrically rotatably provided around the fixed member, an idler in the form of a hollow cylinder and rotatably provided around the movable eccentric member for contact with a wrapping connector driving member, and a spring provided between the stationary portion and the movable eccentric member for biasing the eccentric member in a direction to press the idler into contact with the wrapping connector driving member. A high-viscosity oil is provided in a clearance between the outer periphery of the fixed member and the inner periphery of the movable eccentric member.
Claims4
A tensioner comprising a cylindrical first member to be fixedly attached to a stationary portion and having an outer periphery, a movable member having an inner periphery rotatably supported on said outer periphery of said first member, an idler in the form of a hollow cylinder eccentrically attached by said movable member to said first member for rotatable contact with a wrapping connector driving member, a spring provided between the stationary portion and the movable member for biasing the movable member in a direction to press the idler into contact with the wrapping connector driving member, and a high-viscosity oil provided in a clearance between the inner periphery of the movable member and that portion of the outer periphery of the first member which rotatably supports the inner periphery of said movable member.
Dependencies are inferred from the claim text.