Search International and National Patent Collections


Pub. No.:    WO/2013/121232    International Application No.:    PCT/GR2013/000006
Publication Date: Fri Aug 23 01:59:59 CEST 2013 International Filing Date: Tue Jan 22 00:59:59 CET 2013
IPC: B66C 13/14
H02G 11/00
Applicants: PROIOS, Stavros
Inventors: PROIOS, Stavros
Tensioning system to be used in applications where a cable or wire or rope or hose is required to suspend and be tensioned at the same time, such as those to be used in port, industrial or other facilities, in gantry cranes, cranes, quarries and other applications, comprising of an engine (1) the speed of which is regulated through a voltage converter (6) according to the engine lifting-lowering (17) speed of the platform (12) (depending on cable speed), the drive is transmitted to a clutch (2) and from there to the drive pulley (4), the tightening of the cable (11) between that one and the pulley (5) is adjusted through a threaded rod (20) and spring (21), it also carries at its fixed collar (3) bearing hinges (18) through which legs (7) and (8) rotate thus stabilizing the system in the "spread" position by pins (34) and fuses (35) in case of repair-maintenance of the system, also through a system of pulleys (4) and (5) and rollers (19), (23), (24), (25) in conjunction with the fact that the basket (16) collar (26) is smaller than the inner diameter (28) of the collar (3), a smooth drive of the cable is achieved, kept tightened at all times, without coming out of the basket, under any weather conditions, following the platform (spreader) to be used for example at a port where containers (15) are loaded-unloaded by gantry crane (38).