Shelter used to protect plants or crops from adverse environment

Tent – canopy – umbrella – or cane – Portable shelter – Cone-shaped type

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Details

135903, 47 29, 47 31, A01G 0914

Patent

active

048279579

ABSTRACT:
This invention discloses a shelter used to protect plants or crops from damage by animals and adverse environmental conditions, which comprises a framework; at least one ridge pole supported by the framework; at least one pulley block supported in the ridge pole; at least one network frame, one side of which is hinged in the framework, the opposite side of which is hoisted by the pulley block; and a water-proof sheet which is supported by and covers and network frame; whereby the water-proof sheet can be hoisted up to the elevated position for cultivating plants and lowered to cover the crops for preventing them from being blown away by wind.

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patent: 1009783 (1911-11-01), Padley
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patent: 2029886 (1936-02-01), Marshall
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patent: 2140220 (1938-12-01), Colvin, Jr.
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patent: 3140563 (1964-07-01), Allen
patent: 3812616 (1974-05-01), Koziol
patent: 4099344 (1978-07-01), Ruemeli

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