Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1983-11-15
1985-06-25
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116577, 51 34D, B24B 700
Patent
active
045245452
ABSTRACT:
An improved grinding wheel support arrangement in a grinding machine. The support arrangement includes a support table on which a first post is threadably mounted in a direction normal to the support table. A pair of second posts is fixedly mounted on the support table at a predetermined distance from the first post. A first support shaft is rotatably mounted in the pair of second post by means of a pair of tapered roller bearings. A second support shaft is rotatably mounted in the housing also by means of a pair of tapered roller bearings. An intermediate member is respectively fixedly connected at its opposite ends to said first and second support shafts. A grinding wheel shaft is rotatably mounted in the housing and a grinding wheel is coaxially mounted on the grinding wheel shaft. The first post is connected to the grinding wheel shaft so as to permit its free rotation but also so as to determine its position relative to the support table. The first post is connected to a DC current motor for advancing or retracting the first post on the support table. A drive motor for driving the grinding wheel shaft is mounted on the housing in such a way that its center of gravity is substantially aligned with the first and second support shafts.
REFERENCES:
patent: 2693057 (1954-11-01), Eastwood
patent: 2998812 (1966-09-01), Cooper
patent: 3562959 (1971-02-01), Dooley
patent: 3641709 (1972-02-01), Gazuit
patent: 4020598 (1977-05-01), Harmant
ITM International Tool Machines Inc.
Whitehead Harold D.
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