Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1991-11-11
1993-01-05
Rose, Robert A.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51216LP, 51 65, 51284R, 51160, B24B 1300
Patent
active
051759616
ABSTRACT:
A device for supporting an article 27 such as a lapping tool for polishing lenses is designed to allow limited motion of the article about a central point. The device comprises a base 1, a mount 2 and a bearing between the base and the mount allowing the said motion of the article when in place on the mount; while previously the joint has been a complicated gimbal arrangement, which is difficult to maintain, in the invention the bearing comprises a ball-and-socket-type joint 9,14.
REFERENCES:
patent: 1260872 (1918-03-01), Clement
patent: 1343050 (1920-06-01), Goodwin
patent: 3828483 (1974-08-01), Blum
patent: 3886696 (1975-06-01), Bruck
Penico Holdings Limited
Rose Robert A.
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