Abstract: The present invention relates to a clutch (100) comprising: a fixed hub (101, 1101) comprising a central coupling hole (301) configured for coupling with a rotating shaft (1200); a movable hub (102, 1102) configured for being mounted along an axial direction onto the fixed hub (101, 1101); a plurality of discs (103) interposed between the fixed hub (101, 1101) and the movable hub (102, 1102). The fixed hub (101, 101) and the movable hub (102, 1102) are shaped so as to rotate jointly with each other and so as to axially slide with each other, getting farther or closer to each other so that the fixed hub (101, 1101) and the movable hub (102, 1102) exert a variable axial load onto the plurality of discs (103), thereby transmitting a torque.

Abstract: The present invention relates to a clutch (100) comprising: a fixed hub (101, 1101) comprising a central coupling hole (301) configured for coupling with a rotating shaft (1200); a movable hub (102, 1102) configured for being mounted along an axial direction onto the fixed hub (101, 1101); a plurality of discs (103) interposed between the fixed hub (101, 1101) and the movable hub (102, 1102). The fixed hub (101, 101) and the movable hub (102, 1102) are shaped so as to rotate jointly with each other and so as to axially slide with each other, getting farther or closer to each other so that the fixed hub (101, 1101) and the movable hub (102, 1102) exert a variable axial load onto the plurality of discs (103), thereby transmitting a torque.

Abstract: A chain has links formed by pairs of internal and external plates respectively connected by pins and inserts fitted onto the pins and projecting through the internal plates. Rollers are fitted onto the inserts between the internal plates and a lubricated interface is identified between each roller and the respective insert. The roller is provided, at each end, with a bevel or cavity tilted inwards the roller to identify a seat between the internal plate and the external surface of the respective insert, into the seat the sealing gasket being accommodated. A further sealing gasket is advantageously arranged between the plates to seal an interface between the pin and insert.

Abstract: A chain has links formed by pairs of internal and external plates respectively connected by means of pins and inserts fitted onto the pins and projecting through the internal plates. Rollers are fitted onto the inserts between the internal plates and a lubricated interface is identified between each roller and the respective insert. The roller is provided, at each end, with a bevel or cavity tilted inwards the roller to identify a seat between the internal plate and the external surface of the respective insert, into said seat the sealing gasket being accommodated. A further sealing gasket is advantageously arranged between the plates to seal an interface between the pin and insert.

Abstract: A chain has links made up of pairs of outer and inner plates connected respectively by pins and bushes fitted on the pins and projecting through the inner plates. Between the bush and its pin there is a lubricated interface and on each end of the bush is mounted and compressed between an inner and an outer plate an annular seal. The seal when not compressed between the plates is generically shaped with a lip projecting towards the axis of the seal. With the chain assembled the lip tends to wedge between the bush and the outer plate to reduce the wear on the seal.

Abstract: A chain has links made up of pairs of outer and inner plates (11,12) connected respectively by pins (13) and bushes (14) fitted on the pins (13) and projecting through the inner plates. Between the bush and its pin there is a lubricated interface and on each end of the bush (14) is mounted and compressed between an inner and an outer plate an annular seal (15). The seal when not compressed between the plates is generically shaped with a lip (19) projecting towards the axis of the seal. With the chain assembled said lip (19) tends to wedge between the bush (14) and the outer plate to recover the wear on the seal (15).