Abrading – Abrading process – Utilizing nonrigid tool
Patent
1999-03-12
2000-07-04
Eley, Timothy V.
Abrading
Abrading process
Utilizing nonrigid tool
505 28, B24B 100
Patent
active
060830867
ABSTRACT:
The present invention is an expanding device for supporting grinding sleeves. The device has a cylindrical member with an outer surface, an interior chamber, an expanding chamber, and a locking mechanism. The outer surface receives the grinding sleeve and has a first outer diameter of D. The interior chamber receives a rotatable shaft and has a second outer diameter of I, which is less than D. The expanding chamber comprises an expanding material that expands and contracts based upon pressure applied thereon and has a third outer diameter of H and an inner diameter of J, wherein H and J are both greater than I and less than D. The locking mechanism has an open position and a closed position and requires no hand tool to alter its position. When the locking mechanism is in the open position the locking mechanism applies a pressure P to the expanding chamber so the first outer diameter is D, the second outer diameter is I, the third outer diameter is H, and the inner diameter is J. In contrast, when the locking mechanism is in the closed position the locking mechanism applies a pressure Z, which is greater than P, to the expanding material so the first outer diameter and the third outer diameter expand, and the second outer diameter and inner diameter contract.
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Eley Timothy V.
Nguyen Dung Van
Technicor Inc.
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