Chopper arrangement for a forage harvester

Details Chopper arrangement for a forage harvester Chopper arrangement for a forage harvester

2006-12-12

2006-12-12

Petravick, Meredith C. (Department: 3671)

Harvesters

Motorized harvester

Having driven means for handling or treating crop

C056S504000

Reexamination Certificate

active

07146788

ABSTRACT:
A forage harvester chopper arrangement is located within a housing provided with an access door mounted for pivoting vertically between a chopping position, wherein access to the chopping arrangement is prevented, and a grinding position, permitting access to the chopping arrangement by a grinding arrangement. A locking arrangement is associated with the access door and an actuator is coupled to the access door and the locking arrangement by a linkage containing lost-motion means which operates such that when moving the access door to its grinding position, the locking arrangement is moved to its unlocked position prior to the access door being raised to its grinding position, and such that when returning the access door to its chopping position, the access door is closed before the locking arrangement is moved to its locked position.

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patent: 0 444 916 (1991-02-01), None

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