Modular cutterbar for rotary mower

Details Modular cutterbar for rotary mower Modular cutterbar for rotary mower

1990-06-01

1991-05-07

Neuder, William P.

Harvesters

Motorized harvester

Including plural operating units and drive

56 6, A01D 3444

Patent

active

050126350

ABSTRACT:
A cutterbar includes a plurality of modules connected in end-to-end relationship with each other, the modules respectively including identical cast gear housing sections which cooperate to form a gear housing in which is located a spur gear drive train. Each module includes a removably mounted cutting unit, with the cutting units having blade-carrying discs and being arranged such that the discs are indexed 90.degree. relative to each other and in counter rotating pairs, when an even number of units are used to form a cutterbar but being arranged such that the leftmost and adjacent blade-carrying discs rotate in the same direction when an odd number of modules are used. The construction of the leftmost module is such that the axis of rotation of the drive shaft of the cutting unit thereof is located rearwardly of a line of centers passing through drive shafts of the cutting units of the remaining modules whereby adequate clearance is provided between the paths of rotation of the cutting blades of the leftmost and adjacent cutting units. A unitary skid pan extends beneath and is connected to each of the modules and serves to both protect the housing sections from damage during operation and to support the modules during assembly and repair of the cutterbar.

REFERENCES:
patent: 4302921 (1981-12-01), Weber
patent: 4601162 (1986-07-01), Wessel
patent: 4693061 (1987-09-01), Koch et al.
patent: 4922693 (1990-05-01), Neuerburg

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