Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1990-09-26
1991-12-10
Parker, Roscoe V.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51216LP, B24B 13005
Patent
active
050706578
ABSTRACT:
A device for fastening a holding part on an eyeglass lens placed on a plate comprises an arm adapted to receive removably the holding part and a carriage on which the arm is able to pivot between a loading and offloading position and a fitting position. The carriage is mobile on a frame between a rest position and an end of travel position over a path on which the arm is brought into alignment in the fitting position with the plate. The carriage is at least in part adapted to move in a straight line in a first direction controlled by a guide fastened to the frame and the pivot axis of the arm is in a second direction orthogonal to the first direction. A belt and gear transmission is operative between the carriage and the arm to move the arm from one end position to the other.
REFERENCES:
patent: 4543752 (1985-10-01), Kotting
Brule Francois
Carriou Jean-Louis
Joncour Christian
Brown Charles A.
Essilor International "Cie Generale d'Optique
Parker Roscoe V.
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