Conveyer attachment

Details Conveyer attachment Conveyer attachment

1999-05-24

2001-06-12

Krizek, Janice L. (Department: 3652)

Conveyors: power-driven

Conveying apparatus entirely supported by mobile ground...

Conveyor shiftably mounted on vehicle

C198S318000

Reexamination Certificate

active

06244418

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to a conveyer attachment for a loader and more particularly to an apparatus for mounting a conveyer onto the lift arms of a loader.
BACKGROUND
When forming concrete structures, conveyers are often used for handling concrete and pouring the concrete into forms. Conveyers elevate the fresh concrete but are generally used at a fixed location as they are awkward to move. When concrete is to be delivered to various positions along a concrete structure, such as a wall, the use of a pump is generally required. The use of pumps for pouring concrete however is very expensive.
SUMMARY
According to one aspect of the present invention there is provided an apparatus for mounting a conveyer onto a loader's lift arms, said apparatus comprising:
a first mounting element arranged to mount on the loader's lift arms;
a first frame mounted on the first mounting element;
a second frame pivotally mounted on the first frame about an axis extending in a direction of the loader's travel;
a second mounting element mounting the conveyer on the second frame such that the conveyer extends transversely to a direction of the vehicle's travel for pivotal movement about the axis; and
an actuator for controlling pivotal movement of the conveyer.
The first mounting element preferably comprises a rectangular plate adapted to mount on the loader's lift arms.
A pair of flanges preferably extend upward from respective sides of the second frame for engaging respective sides of the conveyer.
A locking member may be connected between the first and second frames for restricting any relative movement therebetween. The locking member preferably comprise an elongate bar arranged to extend through co-operating apertures in the first and second frames when the first and second frames are adjacent each other and the second frame is generally horizontal.
The actuator preferably comprises a hydraulic piston cylinder mounted at a cylinder end on the first frame and mounted at a piston end on the second frame, the hydraulic piston cylinder being connected to the vehicle's hydraulics.
According to a further aspect of the present invention, the apparatus for mounting a conveyer is provided in combination with a conveyer for mounting the conveyer on a loader's lift arms.
There may be provided a pair of wheels mounted on the first end of the conveyer, the wheels being arranged to engage the ground for supporting the first end of the conveyer on the ground. Preferably there is provided a swivel mount for mounting each wheel on the conveyer such that the first end of the conveyer is supported on the ground for movement in any direction with the loader.
A second pair of wheels is preferably mounted towards the second end of the conveyer for supporting the second end of the conveyer on the ground when the first mounting element is disconnected from the loader.


REFERENCES:
patent: 2584322 (1952-02-01), Baldwin et al.
patent: 3863783 (1975-02-01), Spellman, Jr.

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