Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-03-16
1977-10-04
Smith, Al Lawrence
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51384, 51386, B24D 902
Patent
active
040516377
ABSTRACT:
An internal grinder for the cylindrical internal surfaces of machine parts that features the provision of a flexible wire secured to an end of the main shaft, a pair of holding elements erected centrally of a base member in opposition to each other, spring means erected at the opposed outer edges of said base member, pressing elements secured to the ends of said spring means and arranged parallel to the axis of said shaft, and a substantially M-shaped spring having its pressing portions inserted in the insides of said pressing elements and having its fixing portion fixed to an external edge of the grinding member such as sand paper. This device allows grinding of a cylinder in its axial direction even if other machine parts exist in such direction. It also allows continued use of the grinder in the event of wear of the grinding member by merely replacing such worn member. The device is also capable of performing grinding on a cylinder with a small inner diameter as well as grinding of not only a part made of a hard material such as steel but also a soft or flexible part made of a soft material such as aluminum.
REFERENCES:
patent: 2657506 (1953-11-01), Hadley
patent: 2856738 (1958-10-01), Deuscale
patent: 3713256 (1973-01-01), Besenbruch
Godici Nicholas P.
Smith Al Lawrence
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