Motor vehicles – Special wheel base – Having only three wheels
Patent
1993-05-18
1994-07-05
Camby, Richard M.
Motor vehicles
Special wheel base
Having only three wheels
180140, 180151, 180 791, 36442405, B62D 6106
Patent
active
053259351
ABSTRACT:
A reach forklift comprises: a forklift body; left and right straddle arms; a pair of load wheels supported in a steerable manner in the vicinity of front ends of the left and right straddle arms, respectively; driving means for steering the load wheels, the load wheels and the driving means being housed in the straddle arms; a drive wheel disposed in a rear portion of the forklift body; and a steering wheel for steering the drive wheel; steering angle detecting means for detecting steering angles of the left and right load wheels and the drive wheel. Each of the left and right straddle arms comprises: a bracket which rotatably supports a steering shaft, the center of the steering shaft being positioned at an outer position in the width direction of the forklift body, the bracket being fixed to a lower face of the steering shaft, supporting the load wheels at an outer position of the forklift body, and rotatably supporting the center of the load wheel in the width direction of the load wheel, the center of the load wheel being separated from the center of the steering shaft by a predetermined distance; a gear which is fixed to the bracket and formed into a sector shape, the arc portion of the sector gear being directed to the center of the forklift; and a driving gear which engages with the sector gear and is driven by the driving means, the driving gear being positioned in the side of the center of the forklift.
REFERENCES:
patent: 1716732 (1929-06-01), Mossay
patent: 2618396 (1952-11-01), Belt
patent: 3556241 (1971-01-01), Mitchell
patent: 3998288 (1976-12-01), Aoki
patent: 4775024 (1988-10-01), Pircher
patent: 4893689 (1990-01-01), Laurich-Trost
Patent Abstracts of Japan, vol. 16, No. 135 (M-1230) 6 Apr. 1992 & JP-A-03 295 768 (Nippon Yusoki Co Ltd) 26 Dec. 1991 * abstract * * figures *.
Hirooka Shigeru
Katanaya Ikuya
Orita Koji
Tanaka Shinobu
Camby Richard M.
Hurley Kevin
Nippon Yusoki Co., Ltd.
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