Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1978-10-23
1981-01-06
Godici, Nicholas P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
B24B 2300
Patent
active
042428394
ABSTRACT:
A high-speed power tool has a housing for an electromotor, and a tool casing mounted on the motor housing. A finishing plate is mounted on the tool casing for movement relative thereto. The motor drives a transmission which includes a crank member having an eccentric portion connected to the finishing plate for imparting oscillatory motion to the latter. The arrangement for connecting the eccentric portion of the crank member to the finishing plate includes a bearing mounted on the eccentric portion of the crank member, and a sleeve surrounding the bearing and detachably connected to the finishing plate. Screws which are accessible from the exterior of the tool casing and of the finishing plate connect the sleeve to the finishing plate. The transmission includes two pulleys mounted on the output shaft of the electromotor and on the crank member, respectively, the pulley on the output shaft being bipartite, the two parts of the pulley being spaced by an interchangeable washer and urged toward one another by a screw so that tension of a V-belt trained about the pulleys can be adjusted.
REFERENCES:
patent: 148968 (1874-03-01), Margedant
patent: 327120 (1885-09-01), Thompson
patent: 2764852 (1956-10-01), Emmons
patent: 3199251 (1965-08-01), Enders
patent: 3345784 (1967-10-01), Stelljes
patent: 3371451 (1968-03-01), Enders
patent: 3418761 (1968-12-01), Sheps
Armbruster Gerhard
Kleider Albert
Vogel Eberhard
Godici Nicholas P.
Parker Roscoe V.
Robert & Bosch GmbH
Striker Michael J.
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