Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1978-10-26
1980-04-22
Whitehead, Harold D.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
74 37, B24B 4702, F16H 1906
Patent
active
041987870
ABSTRACT:
A traversing mechanism of the kind in which a carriage is alternately releasably clamped to a respective one of two parallel runs of an endless belt so as to be reciprocated along a guided path. A coupling wheel is rotatably mounted on the carriage at a location between the two belt runs and has a plurality of radially projecting lobes provided around its outer periphery. In operation, the wheel is rotated in stepwise fashion as permitted by a sliding escapement, to sequentially adopt a plurality of operative positions in each of which a run of the belt is clamped between a wheel lobe and one of the backing surfaces. Each backing surface is mounted for movement towards and away from the respective adjacent belt run under the influence of a camming actuator. The actuator is movable between an engage position in which it urges the two backing surfaces into a position in which it can adopt clamping engagement with the belt, and a disengage position in which the backing surfaces cannot adopt clamping engagement with the belt.
REFERENCES:
patent: 2517546 (1950-08-01), Deakin
patent: 2677923 (1954-05-01), Parker
patent: 3029649 (1962-04-01), Steyh
patent: 4085621 (1978-04-01), Hadaway
Repco Limited
Whitehead Harold D.
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