Tractor for towing aircraft through its central front steering w

Details Tractor for towing aircraft through its central front steering w Tractor for towing aircraft through its central front steering w

1994-09-19

1996-08-27

Keenan, James W.

Material or article handling

Wheel and wheel-type article handler and transporter

414427, 414429, 180904, B60P 311

Patent

active

055494366

ABSTRACT:
Tractor (1) with driver's cab (2) at the rear, featuring a recess (3) in the front part of which the front steering wheels (4) of the aircraft are entering and are blocked by idle front rollers (28) which may be moved inwards or outwards and an idle rear roller (36) driven by hydraulic fluid powered pistons (31, 34). According to one solution, an apron (32) is mounted on the tractor framework (1) on which apron (32) the wheels (4) of the aircraft will rest. This apron is lifted and lowered by hydraulic fluid powered pistons (7) connected to the articulated upper arm (9) of each tractor wheel (6).

REFERENCES:
patent: 3119502 (1964-01-01), Paul
patent: 3749266 (1973-07-01), Gordon
patent: 4375244 (1983-03-01), Morin
patent: 4632625 (1986-12-01), Schuller et al.
patent: 4655670 (1987-04-01), Hogberg et al.
patent: 4810157 (1989-03-01), Schopf
patent: 4950121 (1990-08-01), Meyer et al.
patent: 5259572 (1993-11-01), Franken et al.
patent: 5302076 (1994-04-01), Bammel et al.

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