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US 12,583,078 B2Granted
Rotary machine tool
AssigneeMonti-Werkzeuge GmbH
InventorsSander Hendrikus Johannes Hofstee, Jan Frederik Doddema
Life of this patent
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Abstract
A rotatably driven machine tool has a tool holder rotatable about an axis and having at least one drive-side part and a tool-side part, both parts being detachably connected to each other for picking up and holding a rotary tool. A bayonet connection couples the tool-side part and the drive-side part to each other.
Claims10
A rotatably driven machine tool comprising:
- a rotary tool centered on an axis and formed with angularly spaced and radially outwardly open gaps;
- a cylindrical drive-side part and centered on the axis;
- a tool-side part formed of a cylindrical sleeve and a circular ring centered on the axis and formed as a ring cage having angularly spaced and axially extending bars at least partially radially and axially surrounding the rotary tool with the bars in the gaps and having at least one radially inwardly projecting lug, both parts being detachably connected couplable to each other for picking up and holding the rotary tool;
- a bayonet connection detachably coupling the tool-side part and the drive-side part to each other for joint rotation and formed by the lug of the tool-side part and a complementary outwardly open guide groove of the drive-side part;
- and
- a rotary drive connected to the drive-side part for rotating the drive-side part, the tool-side part, and the rotary tool.
3 more elements
Dependencies are inferred from the claim text.