Chain tensioner and chain system

Details Chain tensioner and chain system Chain tensioner and chain system

1997-02-26

1998-02-03

Schoeppel, Roger J.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster or shifter driven by electrical or fluid motor

474135, 474138, F16H 708

Patent

active

057138095

ABSTRACT:
A chain tensioner keeps constant the tension of a chain for transmitting the rotation of an engine crankshaft to e.g. camshafts. It includes a housing having a cylinder chamber. A rod member has its rear end inserted in the cylinder chamber for pressing a chain. A tension adjusting spring biases the rod member outwardly of the housing. The chain tensioner further includes a hydraulic damper for damping a dynamic load applied to the rod member from the chain, and a thread engagement mechanism for preventing the rod member from retracting under a static load applied to the rod member.

REFERENCES:
patent: 4507103 (1985-03-01), Mittermeier
patent: 4863417 (1989-09-01), Kimata et al.
patent: 5021032 (1991-06-01), Macchiarulo et al.

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