This utility model patent aims to involve all the cardan shaft of the machine and their couplings (in the machine and implement) in a much more robust and durable in relaIn the existing currently in the market, which, because of their known fragility, commonly allow the occurrence of accidents with the professionals involved in the management of the machines.They are in direct or indirect ways.The present invention is basically constituted of a flexible spiral tube with soul metal (1) fixed at its end.By means of metal clamps (2) the two coupling flanges (3) to be connected to these, in turn, the disc groove (4).Each of said coupling flanges (3) is composed of a tube (5) is fixed concentrically to a smooth disc (6) equipped with two rectangular slots (7) through inversely located a mounting hole (8) 90 of each said slot (6) and a chain loop (9) set next to said hole (8).Each of said disk groove (4) is composed of a disk internally cast (10) provided in one of the faces of two ears fitting (11) inversely located,To be inserted in said slots a cylindrical pin (12) to 90 of these ears (11), which is equipped with a mounting hole (13), and an arc groove (14) in a position opposite to said pin (12).In addition to optionally may be provided with a pin guide (15) on the opposite side.a presente patente de modelo de utilidade tem por objetivo envolver totalmente o eixo cardan da máquina e seus acoplamentos (na máquina e no implemento) de forma muito mais robusta e duradoura em relação aos existentes atualmente no mercado, os quais, em virtude de sua conhecida fragilidade, comumente permitem o acontecimento de acidentes com os profissionais envolvidos no manejo das máquinas, sejam nas formas direta ou indireta. o presente invento é constituído basicamente de um tubo espiralado flexível com alma metálica(1) fixado em suas extremidade, por meio de braçadeiras metálicas(2) a dois flanges de acoplamento(3) a serem encaixados estes, por sua vez, a discos de encaixe(4). cada dito
