Land vehicles – Wheeled – Articulated vehicle
Patent
1978-10-13
1981-09-08
Love, John J.
Land vehicles
Wheeled
Articulated vehicle
280479R, 280515, B60D 104
Patent
active
042880912
ABSTRACT:
An apparatus for coupling a tractor, a dump trailer and a dump truck wherein the dump trailer is adapted to be selectively towed by the tractor or by the dump truck. A draw bar having a trunnion and a hole at the leading end portion is pivotally mounted on the dump trailer. The trunnion is adapted to be engaged with a gripper mounted on an arm member of the tractor so as to enable the dump trailer to be towed by the tractor. The hole of the draw bar is adapted to be engageable with a coupler pivotally mounted on a rear axle of the dump truck thereby allowing the dump trailer to be drawn by the dump truck.
REFERENCES:
patent: 2475878 (1949-07-01), Clark
patent: 2482868 (1949-09-01), Pollard
patent: 3542399 (1970-11-01), Myers
patent: 3801134 (1974-04-01), Dees
patent: 4015855 (1977-04-01), Murray
Ando Hiroyuki
Hara Hideo
Ishizuki Kotoshige
Takeuchi Hidehiro
Uenoyama Masaru
Kabushiki Kaisha Komatsu Seisakusho
Love John J.
Schrecengost Randall A.
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