Tensioner device in wrapping connector driving device for...

F - Mech Eng,Light,Heat,Weapons – 02 – B

Patent

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74/263

F02B 67/06 (2006.01) F16H 7/08 (2006.01) F16H 7/12 (2006.01) F02B 75/02 (2006.01)

Patent

CA 1254770

ABSTRACT OF THE DISCLOSURE A tensioner device wherein a predetermined tension is applied to an endless transmission belt extended between a driving wheel and driven wheels supported on the body of an internal combustion engine, in which tensioner, an oscillating lever supports a tension pulley pressed against a loosening side of the transmission belt and has a base end supported on the engine body, and an automatic adjuster connected to a tip end of the lever is supported on a case for a hydraulic pump of the engine. A spacer is interposed between contact portions of the oscillating lever and the engine body, and an outlet of the pump and an oil port of the adjuster are directly communicated. An adjusting screw is provided on the tip end of the oscillating lever and is operatively connected to the upper end of a plunger of the automatic adjuster. An auxiliary spring for applying further tension to the transmission belt is connected to the oscillating lever, and the tension pulley supported on the oscillating lever is pressed against the transmission belt at a location close to a cylinder axis of the engine body, that is, almost directly above the driving wheel, to thereby secure a sufficient space for installation of the automatic adjuster outside the pulley.

504399

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