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Accessory attachment for rotary hand tools

  • US 7,052,382 B2
  • Filed: 08/26/2003
  • Issued: 05/30/2006
  • Est. Priority Date: 08/26/2003
  • Status: Expired due to Term
First Claim
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1. An accessory attachment for a rotary power hand tool of the type which has a housing with a substantially cylindrical nose portion, a motor having an output shaft with a mounting coupling for receiving a drive shaft extending forwardly from the nose portion, and being concentric therewith, said attachment comprising:

  • a housing having an output shaft configured to drive a rotating tool, said housing having an input shaft configured to couple with the drive shaft, such that the motor output shaft, drive shaft and input shaft are aligned on a common axis, said housing having a mounting collar with a substantially cylindrical inside surface sized to slidably fit snugly on the nose portion; and

    a thin annular cylindrical layer of resilient material located between said housing cylindrical inside surface and the nose portion, said layer having a generally uniform thickness and providing a relatively large surface area of contact between said cylindrical inside surface and the nose portion to prevent unwanted rotation between said inside surface and the nose portion and to absorb vibration.

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