Earth working – Propulsion unit guided by walking attendant or part of...
Patent
1988-12-12
1990-01-23
Reese, Randolph A.
Earth working
Propulsion unit guided by walking attendant or part of...
172125, 172 42, 180 62, 192 12R, A01B 3308, A01B 6900
Patent
active
048952109
ABSTRACT:
The type of machine in which the invention finds maximum utility is the self-propelled, user-guided garden machine such as a rotary tiller. A typical machine of that genre has a straight-through axle without a differential and opposite ends of the axle project as right and left shafts to which right and left ground-engaging wheels are respectively affixed. The improvement provided by the present invention resides in right and left clutch-brake units arranged symmetrically at each side of and external to the transmission case. The keys normally fixing the wheels to their shafts are removed and the wheels are instead journalled on the respective shafts and the clutches are alternately engaged and disengaged between the shafts and wheels to facilitate steering of the machine. Each clutching unit includes a brake and controls are provided for effecting braking and clutch disengagement at either side of the machine.
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"The 1985 Troy-Built Roto Tiller catalog", Garden Way Manufacturing Co., Oct. 1985, pp. 4, 7, 10 and 18.
BCS Model 735 Sales Brochure, BCS Mosa Inc., May 1984.
Reese Randolph A.
Thompson Jeffrey L.
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