Single arm backhoe

Details Single arm backhoe Single arm backhoe

1987-09-24

1989-02-28

Spar, Robert J.

Material or article handling

Vertically swinging load support

Shovel or fork type

414686, 414723, 414912, B66C 2300, B66F 900

Patent

active

048080616

ABSTRACT:
A backhoe arrangement is disclosed wherein a single dipper arm is adapted for operably, removably engaging a mounting bracket of a tractor mounted, cantilevered type of skip-loader boom arm assembly. The tractor provides support for the cantilevered load by reason that the boom arms are pivoted from a rear end of the tractor while the attached single-arm backhoe is operably deployed to the front of the tractor. The described embodiment provides for significantly reduced weight and complexity, thereby enabling the tractor to be driven during excavating operations. The dipper arm may be swung to positions nearly at right angles to the direction of travel of the tractor.

REFERENCES:
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patent: 3149737 (1964-09-01), Guinot
patent: 3412880 (1968-11-01), Tweedale
patent: 3438523 (1969-04-01), Vik
patent: 3466770 (1969-09-01), Morrison et al.
patent: 3794191 (1974-02-01), Kuhn
patent: 4049139 (1977-09-01), Stedman
patent: 4074821 (1978-02-01), Long
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patent: 4142642 (1979-03-01), Myers
patent: 4150504 (1979-04-01), Asche
patent: 4318661 (1982-03-01), Helm
patent: 4511146 (1986-02-01), Eriksson
J. I. Case Co., descriptive brochure on CASE Backhoes for 1835B-1845B Uni-Loader (Reg. TM); Four (4) pages.
American TRencher Inc., advertisement picture for "Bradco" (TM?) Skid-Hoe (TM) attached to a John Deere loader, one (1) page.

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