Line tensioner (1) comprising a lower and upper frame (10, 20), first lower and upper pulleys (11,21) rotatably fixed to the lower and upper frames (10, 20) respectively, wherein the first lower and upper pulleys (11,21) are motor driven, the line tensioner (1) arranged to operate in a closed and an open position, wherein the closed position the first lower and upper pulleys (11,21) are vertically aligned and arranged to rotate in opposite directions to hold and tension a line (100), and wherein the open position the first upper pulley (21) is displaced upwards and axially relative the first lower pulley (11), the line tensioner (1) further comprising actuation means (30) arranged for reversely displacing the upper frame (20) relative the lower frame (10) to shift between the closed position and the open position of the line tensioner (1).
LINE TENSIONER
LEINENSPANNER
TENDEUR DE LIGNE
30.08.2017
Patent
Elektronische Ressource
Englisch