Presses – Binding – Binder applying
Patent
1985-03-22
1986-03-25
Wilhite, Billy J.
Presses
Binding
Binder applying
100 31, 140 936, B30B 1328
Patent
active
045775540
ABSTRACT:
Apparatus for effecting the knotting of wire strapping applied to a package is provided. The knotting function is motivated by means of a hydraulic cylinder which displaces a rack gear which, in turn, drives a pinion gear to which a splined shaft is affixed. The shaft runs through the knotter unit housing which includes a twister pinion for knotting the wire, wire gripping means, cutting means, wire ejecting means and a wire cover means. In the operation of the apparatus disclosed, the end portion of the wire is fed by a remote feeder through a guide area, engaged by a gripping means and the wire is tensioned by the feeder. The hydraulic cylinder causes the shaft to rotate in a first direction which turns a first drive hub that engages a twister gear having a uni-directional pawl, which twister gear turns a twister pinion gear thereby twisting the wire. For cutting, the shaft rotates in a reverse direction and drives a cam by means of a pawl, said cam being engaged by a cam follower which is affixed to one end of a pivoting arm, the other end of such arm including a cutting blade. The wire is ejected from the knotting apparatus, also during rotation of the shaft in the reverse direction, by means of a uni-directional drive means which causes the "U"-shaped ejectors to be extended thereby opening the cover releasing the gripping means and driving the knotted wires from the unit. Following wire ejection, the ejectors are positively retracted and maintained in a ready position for removal of subsequent knots.
REFERENCES:
patent: 2812707 (1957-11-01), Cheesman
patent: 2922359 (1960-01-01), Brouse et al.
patent: 2982199 (1961-05-01), Jones
patent: 3037534 (1962-06-01), Brouse
patent: 3060841 (1962-10-01), Van De Bilt
patent: 3232216 (1966-02-01), Cranston, Jr. et al.
patent: 3327618 (1967-06-01), Cook
patent: 3889584 (1975-06-01), Wiklund
Riesmeyer, III William F.
United States Steel Corporation
Wilhite Billy J.
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