Elective down pressure system for cutting units of grass...

Details Elective down pressure system for cutting units of grass... Elective down pressure system for cutting units of grass...

2011-07-05

2011-07-05

Torres, Alicia M (Department: 3671)

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

C056S015800

Reexamination Certificate

active

07971417

ABSTRACT:
An elective down pressure system for cutting units of a grass mowing machine with lift and lower mechanisms connected to the lift arms with lost motion couplings that may be set to either a downforce position in which the lift and lower mechanisms urge the lift arms to apply downforce to the cutting units while they are on the ground surface, or a no downforce position in which the lift and lower mechanisms discontinue urging the lift arms to apply downforce once the cutting units are on the ground surface.

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patent: 1 685 758 (2008-02-01), None
patent: 1241751 (1971-08-01), None

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