Hydraulic chain tensioner with molded plastic body

Details Hydraulic chain tensioner with molded plastic body Hydraulic chain tensioner with molded plastic body

1997-10-09

1999-10-19

Jeffery, John A.

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

474111, 91297, F16H 708, F01L 2504

Patent

active

059679212

ABSTRACT:
A hydraulic tensioner is designed for low cost and ease of manufacturing. A housing has a bore and a sleeve member received within the bore. A piston is slidably received within the sleeve member, forming a high pressure fluid chamber with the sleeve member. The housing can be constructed of inexpensive materials such as aluminum or plastic. The piston and sleeve member are constructed of drawn metal. The housing may be formed by injection molding. The sleeve member and other components of the tensioner may be assembled within the tensioner by inserting them into the mold during the injection molding process.

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