Turning – Work driver
Patent
1991-05-16
1993-09-14
Bilinsky, Z. R.
Turning
Work driver
142 53, B23B 3300
Patent
active
052438856
ABSTRACT:
A face driving center assembly adapted for use in a lathe includes a shank adapted to be secured to the lathe for rotation therewith. In a first embodiment, a face driver is directly connected to the shank for rotation therewith. The face driver has a forward surface which is provided with a plurality of workpiece-engaging teeth. A center is slidably mounted in aligned bores formed through the shank and the face driver. The center is spring biased forwardly to engage and guide the workpiece as it is installed in the lathe. The teeth driving engage a flat end surface of the workpiece to be machined so as to cause the workpiece to rotate with the assembly during use. A pin disposed in a transverse bore formed in the face driver cooperates with a slot formed in the outer surface of the center to limit the sliding movement thereof. In a second embodiment, the face driver is connected to the shank through a universal joint structure. The universal joint structure permits the assembly to be used for machining workpieces having end faces which are not formed precisely perpendicular to the axis of rotation.
REFERENCES:
patent: 1239027 (1917-09-01), Mentzer
patent: 1361120 (1920-12-01), Weatherby
patent: 2333055 (1943-10-01), Terrell
patent: 3404763 (1968-10-01), Reed
patent: 3518904 (1970-07-01), Rohm
patent: 4125042 (1978-11-01), Barron
patent: 4677885 (1987-07-01), Schmid et al.
Bilinsky Z. R.
Dana Corporation
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