B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/00 (2006.01) B24B 45/00 (2006.01) B24D 9/02 (2006.01)
Patent
CA 2343857
The present invention is an expanding device for supporting grinding sleeves. The device has a cylindrical member with an outer bushing unit, an interior bushing unit, an upper control unit, an expanding unit, and a locking mechanism. The outer bushing unit receives the grinding sleeve, and has a first outer diameter of D, and a height H. The interior bushing unit receives a rotatable shaft, has a second outer diameter of I, which is less than D, and a height J, which is less than H. The expanding unit extends from within the upper control unit and between the outer and interior bushing units with protrusions below the outer and interior bushing units. The locking mechanism is interconnected to the upper control unit. And when the locking mechanism is in the unlocked position, a grinding sleeve, which can have diamonds thereon, can be placed on or taken off the outer bushing unit and the device can be placed on or taken off a rotatable shaft. Obviously, when the locking mechanism is in the locked position, the grinding sleeve is locked in place on the outer bushing unit, and the device is secured to a rotatable shaft because the locking mechanism alter the position of the expanding unit which expands the outer diameter and shortens the height of the outer bushing unit, and simultaneously expands the interior diameter and shortens the height of the interior bushing unit.
Macrae & Co.
Technicor Inc.
LandOfFree
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