Tensioner

Details Tensioner Tensioner

1989-12-12

1991-01-01

Bui, Thuy M.

Endless belt power transmission systems or components

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

Tension adjuster has surface in sliding contact with belt

21050021, 474138, F16H 708

Patent

active

049814605

ABSTRACT:
In a tensioner, in which a rotary body and an urged body are attached within a casing in a screwed portion and the urged body advances in an axial direction by the rotation of the rotary body with a spring force, a portion where an inner space of the casing and its outside interconnects is isolated with a selective transmission material which prevents oil penetration but allows air transmission.

REFERENCES:
patent: 2826509 (1958-03-01), Sarbach
patent: 4093515 (1978-06-01), Kolobow
patent: 4459210 (1984-07-01), Murakami et al.
patent: 4743224 (1988-05-01), Yoshikawa et al.

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