Holddown system for horticultural plastic sheet
OwnerJoseph W. Gamsinventor
Life of this patent
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Abstract
A system for holding down horticultural plastic sheet provides a fastener and tool for driving and removing the fastener; the fastener may be an inverted "L" shape or in "T" shape or in inverted "W" shape according to embodiment with the lower portion wedge shaped and the upper portion held in a form-fitting socket in the head from which it can be removed by sliding in either of two directions or by springing apart of jaws of the tool to release the fastener; special cleat structure helps secure plastic sheet to the earth; in the "T" shaped embodiment and the "W" shaped embodiment, the fastener can hold two or more plastic sheets adjacently laid.
Claims13
A system for holding down plastic-sheet laid on the ground in earth-horticulture, comprising:
- a fastener for holding down said plastic sheet and a tool for applying the fastener to said plastic sheet by driving the fastener into earth;
- the fastener having:
- a wedge-shaped portion of sheet stock with two edges inclined downwardly to a point, a laterally extending plastic-sheet-engaging portion extending to an end outwardly from the upper end of the wedge-shaped portion;
- the tool having:
- an elongate handle proportioned for upright disposition during said applying:
- a head on the lower end of the handle, and the head having jaw structure defining a socket in the head fitting the uppermost part of the wedge-shaped portion.
Dependencies are inferred from the claim text.