Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Patent
1990-12-20
1991-06-25
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
408239A, B23C 526
Patent
active
050262238
ABSTRACT:
A device for locking a tool to a cutting machine. During a locking action a drawbar is rotated to bring a radial lock pin into registry with oppositely directed bayonet slots formed in a tool that has been inserted into a pocket in the end face of a tool holder; a spring acts on the drawbar to move the lock pin into the bayonet slots. The lock pin is carried on a nose element that is threaded onto the drawbar for drawing the lock pin toward the drawbar to achieve an axial lock force between the tool and the tool holder. Tapered frusto-conical surfaces on the tool and holder produce a self-centering tapered sticking lock action. The oppositely directed bayonet slots allow the tool to be forceably dislodged from the sticking taper when the drawbar is rotated in a reverse direction.
REFERENCES:
patent: 2441046 (1948-05-01), Turrettini
patent: 3118345 (1964-01-01), Bullard, III et al.
patent: 3842712 (1974-10-01), Bondie et al.
patent: 4199286 (1980-04-01), Kirkham
patent: 4906147 (1990-03-01), Friesinger et al.
Bilinsky Z. R.
GTE Valenite Corporation
Panagos Bill C.
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