Mechanism for feeding transverse reinforcement rod to a welding machine
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United States of America Patent
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-
May 7, 1991
Grant Date -
N/A
app pub date -
Dec 1, 1988
filing date -
Dec 22, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A welding machine comprising a pair of tongs consisting of two electrodes (4',4', and adapted to spot-weld a longitudinal reinforcement rod (1) to a transversal reinforcement cross pin (2), while forming a mesh, at least one type of cross pin (2') having an attachment plate (3) tangentially arranged thereon. Between the welding tongs (4) and one or more magazines (15,20) containing cross pins (2',2'), a carrier (7) reciprocates which comprises an upwardly opening seat (13) adapted to receive a lying cross pin, and a stop member (14) serving, when the carrier reaches an end position where the cross pin is turned over to the welding tongs, to retain the attachment plate (3) in a repeatable, predetermined weld rotation position.
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