Earth working – Automatic power control – Draft responsive
Patent
1978-08-02
1983-10-25
Stouffer, Richard T.
Earth working
Automatic power control
Draft responsive
A01B 63112
Patent
active
044113196
ABSTRACT:
An apparatus for varying the sensitivity of a tractor draft sensing and control system of the type including a draft sensing mechanism having an output link shiftable along its length in response to changes in draft and a draft control linkage having an input arm mounted for swinging movement about a pivot. The input arm is provided with a generally radially extending slot, and the output link is provided with structure slideably received within the slot. A control member, which is adjusted by a screw rod, selectively positions the structure within the slot to vary the moment arm of the input arm which, in turn, varies the sensitivity of the system.
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Elfes Lee E.
Wood Dale A.
Massey-Ferguson Inc.
Stouffer Richard T.
Thompson John C.
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