US 12,281,487 B2
Deployable and retractable cover
Asaf Elyahu, Ramat HaSharon (IL); Alon Nahir, Moshav Merchavia (IL); and Amiram Regev, Alon HaGalil (IL)
Assigned to Top Greenhouses LTD., Rishon Lezion (IL); and Tiln Projects LTD, Moshav Merhavia (IL)
Appl. No. 17/617,794
Filed by TOP GREENHOUSES LTD., Rishon Lezion (IL); and TILN PROJECTS LTD., Moshav Merhavia (IL)
PCT Filed Jun. 18, 2020, PCT No. PCT/IL2020/050682
§ 371(c)(1), (2) Date Dec. 9, 2021,
PCT Pub. No. WO2020/255139, PCT Pub. Date Dec. 24, 2020.
Claims priority of provisional application 62/863,296, filed on Jun. 19, 2019.
Prior Publication US 2022/0235573 A1, Jul. 28, 2022
Int. Cl. E04H 15/54 (2006.01); A01G 9/16 (2006.01); A01G 13/21 (2025.01); E04F 10/02 (2006.01); A01G 13/37 (2025.01)
CPC E04H 15/54 (2013.01) [A01G 9/16 (2013.01); A01G 13/21 (2025.01); E04F 10/02 (2013.01); A01G 13/372 (2025.01)] 21 Claims
OG exemplary drawing
 
1. A cover system comprising:
at least one cover sheet having four edges;
a plurality of flexible rafters, each of the rafters being slidably connected to at least one of two opposite edges of the four edges; and
at least one roller provided on at least one of two other opposite edges of the four edges, wherein the at least one roller is configured to rotate, and each one of the at least one cover sheet is configured to wrap around the roller and be released from the roller, depending on a direction of rotation of the roller,
wherein the plurality of flexible rafters are configured to be wound with the at least one cover sheet into a compact structure.