Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Reexamination Certificate
2007-05-22
2007-05-22
Ross, Dana (Department: 3722)
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
C408S23900A, C408S240000, C409S232000
Reexamination Certificate
active
11337649
ABSTRACT:
To provide a tool mounting device for a turning center that allows a rotating tool to be clamped/fixed using a shared clamp mechanism (8), and a turning tool (1B) to be clamped/fixed in an engaged/locked state in a turning center. In the turning center configured with the shared clamp mechanism (8), a cylinder device (9) acting as a drawbar drive device (9) of the clamp mechanism (8) has a first clamp position (b) and second clamp position (c) in relation to a release position (a); a rotation allowance gap (14) is maintained between the stopper (12) and the support unit (13) in the first clamp position (b) to specifically clamp/fix the rotating tool (1A); the reciprocating driver (11) is driven by an amount equal to the rotation allowance gap (14) in the second clamp position (c); and when the support unit (13) and the stopper (12) are brought into contact and a load is imposed, the stopper (12) is supported/stopped by the support unit (13), and the reciprocating driver (11) is engaged/locked by the wedge mechanism (18) in the position of the return blocking state in which the return of the drawbar (7) is blocked.
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Goto Akihiro
Nakamura Takio
Shimizu Tatsuo
Ueda Takashi
O-M Ltd.
Ross Dana
Sughrue & Mion, PLLC
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