Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-03-09
1992-06-02
Rachuba, M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51367, 51380, B24B 4500
Patent
active
051175924
ABSTRACT:
A rotatable wheel for removing material from a workpiece has a rigid circumferential surface on which a removable abrasive strip is mounted. The circumferential surface has a transverse slot extending into a cavity within the wheel which is generally covered by a coverplate secured over the cavity. Within the cavity is a first device for engaging the leading end of the strip and a second device for engaging the trailing end of the strip. The first device includes a positioner which is operable to align the first device under an opening in the coverplate to permit insertion or removal of the leading end of the strip. Similarly, the second device includes a locator arm which is operable to align the second device under an opening in the coverplate to permit insertion or removal of the trailing end of the strip. The first device places static tension on the strip, while the second device places dynamic tension on the strip as the wheel is rotated.
REFERENCES:
patent: 873398 (1907-12-01), Wattles
patent: 967592 (1910-08-01), Wattles
patent: 2046122 (1936-06-01), Hunt
patent: 4823516 (1989-04-01), Matson
patent: 4977712 (1990-12-01), Fisher et al.
Minnesota Mining and Manufacturing Company
Rachuba M.
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