Knotter trip mechanism with locking device

Details Knotter trip mechanism with locking device Knotter trip mechanism with locking device

1990-10-31

1991-10-22

Coe, Philip R.

Presses

Binding

With automatic or material-triggered control

100 19R, 100189, 56343, B65B 1320, B65B 1328

Patent

active

050584952

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 second trip mechanism is operatively associated with the plunger in a manner so that the plunger does not prevent the second trip mechanism from permitting operation of the knotters provided the plunger is moving in a direction in the bale case to compress crop material into bales. A locking device coupled to the first trip mechanism is cooperable with the second trip mechanism for controlling the position thereof in accordance with the position of the first trip mechanism.

REFERENCES:
patent: 2620724 (1952-12-01), Berry
patent: 2897748 (1959-08-01), Nolt et al.
patent: 4117775 (1978-10-01), White et al.
patent: 4413553 (1983-11-01), Crawford
patent: 4503762 (1985-03-01), Naaktgeboren

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