Chucks or sockets – With fluid-pressure actuator – Jaw is expansible chamber; i.e. – bladder type
Reexamination Certificate
2005-09-06
2005-09-06
Banks, Derris H. (Department: 3722)
Chucks or sockets
With fluid-pressure actuator
Jaw is expansible chamber; i.e., bladder type
C279S004060
Reexamination Certificate
active
06938903
ABSTRACT:
The invention relates to a tool holder for receiving a tool, especially a boring, milling, or grinding tool, which can be rotated about a rotational axis and which comprises a clamping shank. In a preferred form of embodiment, said clamping shank comprises a receiving opening (9) which is centrically arranged in an end socket (7) in relation to the rotational axis, said end socket being closed in an annular manner and said receiving opening being used for the interference fit of a holding shank pertaining to the tool. The end socket (7) contains a plurality of pressure chambers which are distributed in the circumferential direction and which extend at least approximately in the direction of the rotational axis. Said pressure chambers (13) can be connected to a pressure means supply which is especially hydraulic, in order to radially expand the receiving opening (9).
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Banks Derris H.
Edwards & Angell LLP
Franz Haimer Maschinenbau KG
Talbot Michael W.
Wofsy Scott D.
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