GASKET AND SEALING STRUCTURE

Abstract: an annular gasket made of elastomer contacts with an inner peripheral surface of a hole in an outer member and an outer peripheral surface of an inner member to shut off an inner space of the outer member from an atmospheric space. the gasket includes a first wider portion, a second wider portion, a third wider portion, a first narrower portion, and a second narrower portion. the maximum distance between a first outer peripheral groove and the inner peripheral surface of the hole, the maximum distance between a second outer peripheral groove and the inner peripheral surface of the hole, the maximum distance between a first inner peripheral groove and the outer peripheral surface of the inner member, and the maximum distance between a second inner peripheral groove and the outer peripheral surface of the inner member are each at least 0.05 mm in a compressed state of the gasket.

Inventor(s): Yusei SHINCHI, Noriaki SATO

CPC Classification: F16J15/062 (PISTONS {(specially adapted for dampers )}; CYLINDERS; SEALINGS)

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