Coil spring manufacturing machine
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United States of America Patent
Stats
-
Sep 15, 1981
Grant Date -
N/A
app pub date -
May 29, 1979
filing date -
Feb 19, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A coil spring manufacturing machine which is controlled by a micro-computer is described. Driving source of the coil spring manufacturing machine is a single motor. The power is divided into two independently controllable operation transmitting systems by a power dividing means. The one operation transmitting system transmits rotation to a mandrel assembly for winding a coil around a mandrel. The other operation transmitting system transmits a pitch movement to the mandrel assembly. Machining tools for the formation of coil spring legs are positioned around the mandrel assembly.
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