Apparatus for lifting large bales of material

Details Apparatus for lifting large bales of material Apparatus for lifting large bales of material

1976-05-24

1977-10-11

Makay, Albert J.

214DIG4, B60P 128

Patent

active

040530698

ABSTRACT:
In accordance with this invention, method and apparatus are provided for picking up and moving a large bale of material, such as large, cylindrically shaped bales of hay having diameters up to about 4 to 5 feet and longitudinal lengths up to about 5 or 6 feet. The apparatus includes a mobile chassis and a tilt frame mounted at the end of the chassis for pivotal movement about a substantially horizontal axis extending transversely of the chassis. Means are provided for tilting the tilt frame from a position extending essentially vertically upwardly from the end of the chassis to a position leaning forward towards the front of the chassis. A pair of bale clamping members are pivotally attached to the tilt frame in mutually spaced relationship and means are provided for swinging the bale clamping members toward and away from each other. In picking up and moving a bale, the chassis is moved towards the bale so that the tilt frame is adjacent the lateral side of the bale with the clamping members extending along the mutual ends of the bale. The bale clamping members are swung towards each other to clamp the bale, and then the tilt frame is tilted forward to lift the bale from the ground.

REFERENCES:
patent: 1538168 (1925-05-01), Cochran
patent: 2724522 (1955-11-01), Phebus
patent: 3018906 (1962-01-01), Franklin
patent: 3021969 (1962-02-01), Peake et al.
patent: 3877595 (1975-04-01), Edelman
patent: 3880305 (1975-04-01), Polen
patent: 3929366 (1975-12-01), Keverline
patent: 3944095 (1976-03-01), Brown
patent: 3946887 (1976-03-01), Parker

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