Mower deck height adjustment mechanism

Details Mower deck height adjustment mechanism Mower deck height adjustment mechanism

1993-05-28

1995-01-17

Britts, Ramon S.

Harvesters

Motorized harvester

Having motor on ground-supported carrier

56 159, A01D 3474

Patent

active

053816480

ABSTRACT:
A lift mechanism for adjusting the height of a mower deck includes a pivotable lift handle, a toothed member carried by the vehicle, and a rod-like member pivotally carried by the lift handle. A first portion of the rod engages the toothed member for maintaining the lift handle and mower deck at selected positions. A second portion of the rod radially offset from the first portion defines the axis about which the rod pivots during operation. First and second arcuate slots receive the first and second portions of the rod. The arc of the first slot has its center at a first position within the second slot, and the arc of the second slot has its center at a first position within the first slot. A blocking member carried by the lift handle is abuttable with the rod for preventing the first portion from pivoting to the first position whereat the second portion can pivot out of the second slot.

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Parts Catalog published by John Deere Horicon Works in Aug. 1990 entitled "STX30 and STX38 Lawn Tractors", pp. 85-2 and 85-3.
Parts Catalog published by John Deere Horicon Works in Sep. 1990 entitled "GX70 and GX75 Riders", p. 85-1.
Parts Catalog published by John Deere Horicon Works in Oct. 1988 entitled "170, 175, 180 and 185 Lawn Tractors", pp. 85-2 and 85-3.
Parts Catalog published by John Deere Horicon Works in Sep. 1990 entitled "LX172, LX176, LX178 and LX186 Lawn Tractors", pp. 85-12 and 85-13.
Parts Catalog published by John Deere Horicon Works in Jan. 1989 entitled "RX63, RX73, RX75, SX75, RX95, SX95 Riding Mowers," pp. 85-1, 85-2 and 80-6.
Portions of a "Preliminary Feasibility Study" containing information generated and provided by employees of The Dow Chemical Co. and John Deere & Co., pp. 1-205 (see particularly pp. 30c and 63, co-generated prior to 1 Sep. 1989 and confidentiality shared between Dow and Deere in the U.S..

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