| 摘要 |
The present invention concerns a chain guide (100) for a screen group of the type comprising a plurality of rigid elements (10) arranged one after the other, each of said rigid elements comprising two side walls (12) and a bridge portion (11) for connecting said side walls (12); said rigid elements (10) being connected together in a rotary manner by means of a pivoting coupling (14, 13) so as to progressively pass from a substantially vertical arrangement to a substantially horizontal one; wherein it is foreseen for there to be means (18, 19, 31, 32) for stopping the rotation when said rigid elements (10) have reached said horizontal arrangement; wherein both said pivoting coupling (14, 13) and said means (18, 19, 31, 32) for stopping the rotation are arranged at said bridge portion (11). |
