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Dynamic damper for hollow drive shaft

  • US 5,326,324 A
  • Filed: 11/12/1992
  • Issued: 07/05/1994
  • Est. Priority Date: 11/25/1991
  • Status: Expired due to Fees
First Claim
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1. A dynamic damper for a hollow drive shaft, comprising:

  • a damper mass member disposed in a hollow bore of said drive shaft, such that said damper mass member is coaxial with said drive shaft with a predetermined clearance being provided between said damper mass member and an inner circumferential surface of said drive shaft; and

    a pair of elastic support members respectively fixed to axially opposite ends of said damper mass member, said support members connecting said damper mass member to said drive shaft, thereby elastically supporting said damper mass member, each of said elastic support members including a tubular portion which extends from an outer periphery of a corresponding one of said axially opposite ends of said damper mass member in an axially outward direction of said damper mass member while at the same time expanding radially outwardly of said damper mass member, so that said tubular portion has a truncated conical shape.

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