SUPPORTING DEVICE Russian patent published in 2012 - IPC A01G9/16 

FIELD: agriculture.

SUBSTANCE: supporting device comprises movable links of tubes with a telescopic entering into the fixed link. The fixed link is firmly mounted on the bed. Each link on one end comprises a transition sleeve includes or a crossbar with a cylindrical groove. The groove is made at an angle to set at an angle of the opposite end of the next link to create a half-arch. The last link of the half-arch contains a branch sleeve to connect to the link of the opposite half-arch. To secure a fixed position of links, the device has flexible tension elements, connecting links. For further maintenance of the covering material the links have additional flexible and/or rigid cross elements.

EFFECT: increased usability of operation, improved compactness of the device.

2 cl, 4 dwg