Method of wrapping round bales

Presses – Binding – Methods

Patent

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Details

B65B 1304

Patent

active

046569308

ABSTRACT:
An automatic twine wrapper (31) for a round baler (10) is provided comprising a twine dispensing arm (36) having a retracted home position and which is movable in the vicinity of the bale chamber inlet (41). A drive motor (42) is operably coupled with the dispensing arm (36) for moving the latter during the twine dispensing cycle and automatic control means (65) are coupled with the drive motor (42) for causing the drive motor (42) to move the dispensing arm (36) in accordance with a predetermined dispensing cycle from its retracted home position toward the bale chamber inlet (41) and in the vicinity thereof and back to its home position as the twine dispensing cycle is being completed. The control means (65) comprises a starter means (50) operable to initiate the predetermined dispensing cycle and detector means (61) operable to detect whether twine (32) is being wrapped upon the bale (R). The detector means (61) generates a first signal when twine (32) is not being wrapped upon the bale and a second signal when twine wrapping has started. The control means (65) further comprises a time delay (92) coupled with the detector means (61) which is operable to check the condition detected by the detector means (61) at a predetermined point in the dispensing cycle for causing at least temporary interruption of the dispensing cycle in the presence, at said point, of said first signal, and for permitting uninterrupted continuation of the dispensing cycle when, at said point in the cycle, the detector means (61) generates said second signal.

REFERENCES:
patent: 2336491 (1943-12-01), Luebben
patent: 2410159 (1946-10-01), Harrer et al.
patent: 2829585 (1958-04-01), Varvel
patent: 2910178 (1975-10-01), Eggers et al.
patent: 4182235 (1980-01-01), Harig
patent: 4306494 (1981-12-01), Nishibe et al.
patent: 4402259 (1983-09-01), Viaud

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