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US 7,234,902 B2Granted
Milling tool holder with camming plug
OwnerStojan Stojanovskiinventor
Life of this patent
Estimating the term…
Abstract
A milling tool holder apparatus includes a tool holder having a male structure received in a female opening of a shank, and a camming plug received in a transverse plug-receiving opening in the shank and the tool holder. Turning the camming plug in one direction moves the male structure axially to a locked position. Turning the camming plug in the opposite direction moves the male structure axially to a release position.
Claims19
A tool holder apparatus, comprising:
- an elongated shank intended to be supported for rotation about a shank-turning axis, said shank having an internal frustoconical female opening, and a plug-receiving bore intersecting the female opening;
- an elongated tool holder for supporting a cutting tool in a cutting position, the tool holder having an external frustoconical male structure receivable in the female opening of the shank to a locked position, and a camming opening aligned with the plug-receiving bore of the shank when the male structure is received in the female opening;
- a camming plug having a first section disposed in the plug-receiving bore so as to be rotatable about a plug-turning axis, the camming plug having camming structure receivable in the camming opening of the tool holder and engageable therewith such that as the camming plug is rotated in a first direction, the camming structure cams the tool holder in a first axial direction toward said locked position with the shank, and as the camming plug is rotated in an opposite direction, the camming structure cams the tool holder in an opposite axial direction, away from said locked position with the shank.
A tool holder apparatus, comprising:
- an elongated shank intended to be supported for rotation about a shank-turning axis, said shank having an internal frustoconical female opening at one end thereof, and a transverse plug-receiving bore intersecting the female opening;
- an elongated tool holder having means for supporting a cutting tool in a cutting position, and an external frustoconical male structure receivable in the female opening of the shank;
- the male structure having an inner end with a first latching structure;
- a camming plug rotatably mounted in the plug-receiving bore and having a camming structure disposed in the female opening of the shank;
- a connecting structure axially moveable in the female opening, and having a camming opening aligned with said plug-receiving bore for receiving the camming plug such that as the camming plug is rotated in a first direction, the connecting structure is moved in a first axial direction toward a locked position, and as the camming plug is rotated in an opposite direction, the connecting structure is biased in an opposite axial direction toward a release position, the connecting structure having a second latching structure engageable with the first latching structure of the tool holder such that as the connecting structure is moved toward said locked position, the male structure of the tool holder is wedged in the female opening.
2 more elements
A tool holder apparatus, comprising:
- an elongated shank intended to be supported for rotation about a shank-turning axis, said shank having an internal female opening;
- a locking pin disposed in said female opening, at right angles to said shank-turning axis;
- an elongated tool holder for supporting a cutting tool in a cutting position, the tool holder having an external male structure receivable in said female opening, and a slot for receiving said locking pin, including an axial slot section for receiving the locking pin by an axial motion of the tool holder, and a transverse slot section for receiving the locking pin by rotating the tool holder with respect to the shank, the transverse slot section having a camming side disposed at an angle with respect to the shank-turning axis and engageable with the locking pin such that as the tool holder is turned with respect to the shank, the locking pin cams the camming side of the transverse slot section to move the tool holder in an axial direction to a locked position.
Dependencies are inferred from the claim text.