Gear cutting – milling – or planing – Milling – Including means to infeed rotary cutter toward work
Patent
1995-10-23
1998-02-17
Howell, Daniel W.
Gear cutting, milling, or planing
Milling
Including means to infeed rotary cutter toward work
409216, B23C 700
Patent
active
057185450
ABSTRACT:
A machine having a driven rotating drive block to which is pivotally mounted, a spindle block, both of the blocks being rotatable about a first rotational axis. The spindle block is independently driven to pendulously pivot about the drive block around a second rotational axis. A drive shaft is positioned within the drive block and has a proximal end engaged with a parent machine tool spindle to which the invention is married, and also has a distal end engaged with a drive transfer means. A driven shaft is positioned within the spindle block and has a proximal end engaged with the drive transfer means and a distal end engaged with a cutting tool. The drive and driven shafts are independently rotatable within the drive and spindle blocks respectively, and the drive transfer means transfers rotation from the drive shaft to the driven shaft over the full range of angles to which the spindle might be set.
REFERENCES:
patent: 3823644 (1974-07-01), Mello
patent: 3828649 (1974-08-01), Lecailtel
patent: 4478540 (1984-10-01), Sachot
patent: 4709465 (1987-12-01), Lewis et al.
patent: 5238340 (1993-08-01), Ochiai et al.
patent: 5385436 (1995-01-01), Corsi
patent: 5584621 (1996-12-01), Bertsche et al.
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