Tying needle safety control for crop balers

Details Tying needle safety control for crop balers Tying needle safety control for crop balers

1977-05-10

1978-10-03

Wilhite, Billy J.

Presses

Binding

Binder applying

B65B 1308

Patent

active

041177754

ABSTRACT:
In the event that tying needles should be left in the path of travel of the baling plunger as a result of a malfunction in the drive for the needles, a safety control linkage will take over to withdraw the needles from the path of travel as the plunger continues in operation. During the baling process and before initiation of a tying cycle, the linkage reciprocates freely without effect on the tying needles as a result of a lost-motion connection therewith. The relationship between the linkage and the needles is such that the linkage has no effect on the needles when the latter are swung into operation by their driving mechanism, the linkage only coming into play if such mechanism should fail and be thus unable to withdraw the tying needles in the normal manner.

REFERENCES:
patent: 1671966 (1928-06-01), Burkholder
patent: 2604844 (1952-07-01), Hill
patent: 2760429 (1956-08-01), Skromme
patent: 2780164 (1957-02-01), Schaaf

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