Material handling vehicle

Details Material handling vehicle Material handling vehicle

1999-06-22

2000-10-17

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Shovel or fork type

414718, 414728, B66C 2300

Patent

active

061321648

ABSTRACT:
A material handling vehicle comprising a structure having ground engageable propulsion means and a material handling means comprising a boom mounted on the structure for raising and lowering swinging movement relative to the structure and driven for said raising and lowering movement by a first drive means and said boom being extendable and being driven for extension or retraction by a second drive means and a material handling implement carried by an outer end part of said boom, wherein the material handling implement comprises a carrier and a load engageable device moveable relative to the carrier, a first sensing means to sense a first position of the device relative to the carrier, said drive means being responsive to the said first sensing means sensing said first position to modify operation of said drive means.

REFERENCES:
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patent: 4068773 (1978-01-01), Downing et al.
patent: 4212375 (1980-07-01), Peterson et al.
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patent: 4948326 (1990-08-01), Bedard
patent: 4964780 (1990-10-01), Karvonen
patent: 4986721 (1991-01-01), Lowder et al.
patent: 5072588 (1991-12-01), Lowder et al.
patent: 5147171 (1992-09-01), Murray et al.
patent: 5190436 (1993-03-01), Sorlie
patent: 5478192 (1995-12-01), Bentivoglio

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