Sealing construction of a tensioner

Details Sealing construction of a tensioner Sealing construction of a tensioner

1989-12-12

1991-02-19

Britts, Ramon S.

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

474 91, 220307, F16H 0708

Patent

active

049939947

ABSTRACT:
The sealing of an inserting hole portion of a casing base portion side is performed by an elastic sealing member. In a tensioner in which a rotation body and urged body are provided within the casing in a screwed state and the urged body advances in an axial direction by the rotation of the rotation body by a spring force, the elastic sealing member includes a body portion closely adhered to an inner circumferential surface of an inserting hole formed in the casing and a guide portion closely adhered to the inner and the outer surfaces of the casing formed at opposite ends of the body portion and is inserted into the inserting hole, and further provided with a penetrated hole to insert a pushing jig thereinto.

REFERENCES:
patent: 4702726 (1987-10-01), Ojima et al.
patent: 4736865 (1988-04-01), Rericha
patent: 4809872 (1989-03-01), Pavur

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