Title: Block laying machine

Abstract: A machine for assisting in the laying of courses of blocks to form a ground covering layer in erosion control systems has a flexible apron on which the blocks are laid, a frame attached to one side of the apron, and two spaced and independently actuable pusher bar assemblies, which can act between the frame and the blocks to position the blocks, steer the machine, and withdraw the apron from beneath the blocks.

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Inventors: Crowe, Robert E. (Milton, CA, US)

Application Number: 003876
Filing Date: 1979-01-16
Publication_date: 1980-10-14
Assignee: Terrafix Erosion Control Products, Inc. (Rexdale, CA)
Primary Class(es): 405/303 404/99, 405/17
Other Classes:
US Patent Ref:

1339069	May, 1920	Rodgers et al.	404/99.
1527983	Mar, 1925	Lundstrom	404/99.
1571386	Feb, 1926	Straight	404/99.
1572188	Feb, 1926	Crowell	404/99.
3561223	Feb, 1971	Tabor	405/146.

Other Refs: 2511006503976

Sep, 1976	DE
Mar, 1976	SU

Primary Examiner: Corbin, David H.
Assistant Examiner:
Attorney: Ridout & Maybee