Coaxial mounting seat for the shank of a toolholder
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United States of America Patent
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May 16, 2006
Grant Date -
Jan 27, 2005
app pub date -
Dec 10, 2001
filing date -
Dec 10, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mounting seat (1) for machine-tools allowing coaxial engagement of the shank (2c) of a toolholder member (2) includes internally a cylindrical bush (3) supporting a plurality of ball bearings (4i) arranged without play between the internal surface (1i) of the mounting seat (1) and the external surface (2e) of the shank (2c). The bush (3) is able to perform an axial sliding movement (S) towards the outside of the mounting seat (1) over a length smaller than or equal to the axial length of its zone occupied by the ball bearings (4i), further axial travel thereof being prevented by end-of-travel stop elements (3s, 1r) and the abovementioned bush (3) having, mounted on it, elements able to prevent separation of the ball bearings (4n) when the zone thereof occupied by the latter is located outside of the mounting seat (1).
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