Dayco Europe S.p.a.

Marc Theobald

Angelo Mennuti

Carlo E Rocca

Carlo Rocca

Stretcher for a transmission belt comprising a fixed part suitable for being rigidly connected to a support structure and provided with a pin defining a first axis, a movable part comprising a hub rotating on the pin about the first axis, a pulley carried by the movable part and rotating with respect thereto about a second axis distinct from the first axis and parallel thereto, and a spiral spring interposed between the fixed part and the movable part and suitable for loading in use the movable part in the direction tending to keep the pulley in engagement with the relative belt. The spring has an internal end secured to the pin, and an external end secured to the hub, and is interposed between two bushes which support the hub on the fixed part and are provided with respective flanges cooperating axially with the spring.

Stretcher for a transmission belt

Stretcher for a transmission belt comprising a fixed part suitable for being rigidly connected to a support structure, a movable part hinged to the fixed part about a first axis, a pulley carried by the movable part and rotating with respect thereto about a second axis distinct from the first axis and parallel thereto, a spring interposed between the fixed part and the movable part and suitable for loading in use the movable part in the direction tending to keep the pulley in engagement with the relative belt, and a damping element provided with a base wall rigidly fixed to the fixed part and with an annular friction portion extending axially from the base wall and cooperating with a seat produced in the movable part.

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Wadgassen, Germany

Marc Theobald