Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Patent
1986-11-25
1988-04-26
Desmond, Eugene F.
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
279 2R, 408240, 403316, 403324, 403325, B23C 526, B23B 3100
Patent
active
047401222
ABSTRACT:
In a rapid release chucking device, particularly for drills, including a machine spindle (1) and a tool head (2) attached thereto in a manner secure against rotation, wedge faces (9) are provided at the circumference of a spreadable ring element (14). In the unspread state, this ring element lies withdrawn in an annular groove (15) surrounding the spindle end (3). A control slide (16) is mounted in the spindle (1) so as to be axially displaceable by an externally initiated displacement movement. A plurality of spreading elements (18) lie in openings (17) which radially penetrate the spindle end (3) and open into the annular groove (15). Axial displacement of control slide (16) causes the openings to be urged radially outwardly toward the inner ring wall (19) of the ring element (14). At the same time, the inner wedge faces (9) of the ring element are urged against a corresponding, conical inner ring flank (24), into position where the wedge is tightened.
REFERENCES:
patent: 2162359 (1939-06-01), Rhinevault
patent: 2408503 (1946-10-01), Young
patent: 2499781 (1950-03-01), Rothenberger
patent: 2987334 (1961-06-01), Wendling
patent: 3073192 (1963-01-01), Beers
patent: 3301108 (1967-01-01), Heiner
patent: 3469871 (1969-09-01), Betts
patent: 4322190 (1982-03-01), Anderson
patent: 4350463 (1982-09-01), Friedline
Desmond Eugene F.
Hertel Aktiengesellschaft Werkzeuge & Hartstoffe
Howell Daniel W.
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