Sod stacking machine

Details Sod stacking machine Sod stacking machine

1991-04-19

1993-06-08

Huppert, Michael S.

Earth working

Sod cutter

294121, 4147897, 4147924, 4147926, 4147929, A01B 4504, B65G 5724

Patent

active

052170780

ABSTRACT:
A sod stacking machine includes a conveyor system for receiving sod pieces from a sod harvesting machine and aligning the pieces in rows. The sod pieces can be translated laterally from the conveyor to form a full layer for movement to a stack of the layers. The full layer is then grasped and lifted simultaneously for movement to the stack. The lifting is carried out by a planar lifting element which has a plurality of screw elements mounted thereon and which are rotatable in a screw direction and a release direction simultaneously by a chain drive system. Each screw element is surrounded by a compressing device for engaging the sod around the screw as it is screwed into place. The lifting device thus lifts all of the sod pieces simultaneously and transfers them to a pallet. The device can be used either with rolled sod pieces or folded slab sod pieces.

REFERENCES:
patent: 3243056 (1966-03-01), Gagnon et al.
patent: 3887013 (1975-06-01), Helberg
patent: 3935904 (1976-02-01), Beck
patent: 4294316 (1981-10-01), Hedley et al.
patent: 4604018 (1986-08-01), Kruse
patent: 4966239 (1990-10-01), Hutchison

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