Knotter trip mechanism with cooperating clutch mechanism

Details Knotter trip mechanism with cooperating clutch mechanism Knotter trip mechanism with cooperating clutch mechanism

1990-10-31

1992-10-20

Hornsby, Harvey C.

Presses

Binding

With automatic or material-triggered control

100 19R, 100142, 100189, B65B 1326

Patent

active

051560852

ABSTRACT:
In a baler having a plunger reciprocating in a bale case and knotters for tying strands of twine around bales, two trip mechanisms are provided for automatic actuation of the knotters. A first trip mechanism is capable of preventing operation of the knotters until a bale of desired length is formed. A clutch mechanism for driving the knotters includes a pawl assembly with an abutment tab. A second trip mechanism holds the pawl assembly in a position where it prevents the knotters from being driven when the plunger is retracted. The initial displacement of the second trip mechanism toward a position where the knotters are driven is in substantially the same direction as the initial displacement of the pawl assembly abutment tab.

REFERENCES:
patent: 2560143 (1950-11-01), Vietti
patent: 2772628 (1956-12-01), Nolt
patent: 2897748 (1959-08-01), Nolt et al.
patent: 3092226 (1963-06-01), Williamson
patent: 4117775 (1978-10-01), White et al.
patent: 4503762 (1985-03-01), Naaktgeboren

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