Work holders – Relatively movable jaws – Clamp couple element with fastening means
Patent
1983-12-23
1985-02-19
Watson, Robert C.
Work holders
Relatively movable jaws
Clamp couple element with fastening means
269 94, 269100, 269226, B23Q 302
Patent
active
045000816
ABSTRACT:
A clamp for clamping parts on cutting machine tools includes a housing containing a rotary disc having a clamp arm and a toothed sector projecting from the disc which meshes with a tangential screw which rotates the disc to apply a clamping force to the clamp arm. The disc is journalled in a pair of cheek members that are fixed within the housing, and cooperate with the disc to present cylindrical radial bearing surfaces and planar annular lateral bearing surfaces. The annular lateral bearing surfaces of the disc are contiguous with the cylindrical outer surface of the disc on which a pair of scraper blades run, and the annular lateral bearing surfaces of the cheeks are substantially flush with the inner wall of the housing so as to protect the housing against ingress of foreign matter. The diameter of the outer cylindrical surface portion of the disc is less than the inner diameter of the toothed sector to enable a fixing screw to be accessible by a tool from the top of the housing.
REFERENCES:
patent: 2395242 (1946-02-01), Anderson
patent: 3865360 (1975-02-01), Schweidler
patent: 4310270 (1982-01-01), Kraus
Carossino Freres
Watson Robert C.
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