Plant husbandry – Ornamental beds
Patent
1984-12-21
1986-12-16
Hafer, Robert A.
Plant husbandry
Ornamental beds
A01G 100
Patent
active
046286322
ABSTRACT:
An edging strip useful in landscaping and other uses. The edging strip is an aluminum elongate extrusion having a generally uniform thickness. The strip, in vertical orientation thereof, has plural elongated grooves in one side thereof extending lengthwise of the strip and being vertically spaced from one another. The strip further has plural ribs projecting outwardly from an opposite side thereof and opposite the grooves at a vertical location on the aforesaid opposite side coinciding with the location of the aforesaid grooves. Each of the grooves has a pair of vertically spaced sidewall surfaces and a vertically upright bottom wall surface. The lowermost sidewall surface of each groove has a wall surface that is flat and inclined to the horizontal and defining an acute angle with the bottom wall surface. Each rib has a side facing surface that is parallel to the bottom wall surface and an upwardly facing surface that is upwardly inclined and defining an acute angle to the aforesaid side facing surface of each rib. A stake is utilized which overlaps at least a portion of each strip and has structure thereon for effecting a securement of each strip to the stake to prevent relative vertical movement therebetween.
REFERENCES:
patent: 3472133 (1969-10-01), Ziehm, Jr.
patent: 4124264 (1978-11-01), Kato et al.
Hafer Robert A.
Lewis Bradley M.
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