Device for the automatic engagement of the feed movement and of

Details Device for the automatic engagement of the feed movement and of Device for the automatic engagement of the feed movement and of

1989-10-11

1991-05-07

Schmidt, Frederick R.

Turning

Radially moving rotating tool inside bore

82123, 82131, 408181, B23B 29034

Patent

active

050127101

ABSTRACT:
Device for the automatic engagement of the feed movement and of the return movement of the tool slide of a boring head, in which a gear rim is arranged on the inside of the head housing, which gear rim is provided with radially projecting pins, on which camlike thickenings of a ring are mounted, which interacts with vertically arranged cylindrical pins, which are acted upon via spring means, the cylindrical pins being arranged in a position which is pressed downwards in such a manner that they act upon a control disc, which is in work connection with a control cylinder which has a peg, which interacts with a displaceable sleeve and serves to bring a toothed wheel with spur gearing or a second toothed wheel with spur gearing into work connection with a first gear arrangement or with a second gear arrangement respectively and that furthermore means are provided, which form part of a gear arrangement, in order to carry out the feed movement or the return movement of the tool slide.

REFERENCES:
patent: 4480700 (1984-11-01), Kieger
patent: 4489629 (1984-12-01), D'Andrea
patent: 4607549 (1986-08-01), Krempel
patent: 4637285 (1987-01-01), Mizoguchi
patent: 4762037 (1988-08-01), Stoffel

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