Advancing material of indeterminate length – By orbitally traveling material-engaging surface – With control or adjustment means
Patent
1984-11-15
1986-08-12
Christian, Leonard D.
Advancing material of indeterminate length
By orbitally traveling material-engaging surface
With control or adjustment means
226 90, 226181, B65H 2000
Patent
active
046051481
ABSTRACT:
Planetary wire-feeding device having a body with a hollow threaded shank. On the body there are two two-arm levers pivotally mounted thereon, the levers having long and short arms. The short arms of the levers are in contact with the outer faces of radially reciprocable pistons which carry wire-feeding rolls. The long arms of the two-arm levers are in contact by means of guiding rolls with a guiding cone which is mounted axially movable along the hollow threaded shank of the body. The internal side of the guiding cone is in contact with one end of a coil compression spring which embraces the hollow threaded shank. The other end of the spring is in contact with an adjustable abutment or calibrating its compressive force. The device of the invention allows a variable calibration of the pushing force as required, changing in the diameter, type of material, etc. An electrode wire, while preserving the automatic setting of the pushing forth of the coil compression spring for a given diameter, type of material, etc., is the electrode wire being fed by the wire-feeding device.
REFERENCES:
patent: 4150772 (1979-04-01), Aver
patent: 4172545 (1979-10-01), Jones et al.
patent: 4177912 (1979-12-01), Samokovliski et al.
patent: 4205771 (1980-06-01), Samokovliski et al.
patent: 4333594 (1982-06-01), Cloos
Georgiev Georgi I.
Levi Sami S.
Petrov Lazar O.
Peychev Rumen P.
Samokovlitski David A.
Christian Leonard D.
Insitute po Technicheska Kibernetika iRobotika
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