Bar feeder for multi-spindle lathes, with selective drive
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Nov 29, 1996
filing date -
Nov 28, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A bar feeding device for multi-spindle machine tools includes a rotating drum provided with a plurality of guides for the bars, which longitudinally extend in different angular positions on the outer surface of the drum. Bar pushing members slidingly movable along the guides are connected to a control system comprising a set of peripheral gears circumferentially arranged at one end, and supported to rotate with the drum, coplanarly around a central pinion gear connected to a drive motor. The pinion gear is tangentially arranged in an offset angular position to selectively engage each peripheral gear over a predetermined arch shaped path by rotation of the drum.
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