Title:
GAS SPRING
Document Type and Number:
WIPO Patent Application WO/2009/048161
Kind Code:
A9
Abstract:
A gas spring is intended to permanently maintain the sealing performance of a lip in a dust seal without being affected by pressure from a gas sealed inside the spring. A rod body is operates in conjunction with a cylinder body with a gas of a predetermined pressure sealed inside the cylinder body. The rod body is movable into and out of the cylinder body. A rod guide is penetrated by the rod body at a shaft core portion inside a head end portion of the cylinder body. A dust seal has with a lip in sliding contact with an outer circumference of the rod body. A sealed end portion of the cylinder body is in contact with an outer end of the rod guide inside the cylinder body. The dust seal is integrally incorporated at the outer end portion of the rod guide.
Inventors:
KATAYAMA TAKUMI (JP)
IWAMOTO KATSUYA (JP)
ASA TAKASHI (JP)
SAITOU YASUSHI (JP)
IWAMOTO KATSUYA (JP)
ASA TAKASHI (JP)
SAITOU YASUSHI (JP)
Application Number:
PCT/JP2008/068801
Publication Date:
June 24, 2010
Filing Date:
October 08, 2008
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
KAYABA INDUSTRY CO LTD (JP)
YANAGISAWA SEIKI MFG CO LTD (JP)
KATAYAMA TAKUMI (JP)
IWAMOTO KATSUYA (JP)
ASA TAKASHI (JP)
SAITOU YASUSHI (JP)
KAYABA INDUSTRY CO LTD (JP)
YANAGISAWA SEIKI MFG CO LTD (JP)
KATAYAMA TAKUMI (JP)
IWAMOTO KATSUYA (JP)
ASA TAKASHI (JP)
SAITOU YASUSHI (JP)
International Classes:
F16F9/02; F16F9/36
Attorney, Agent or Firm:
HIROE AND ASSOCIATES, PATENT PROFESSIONAL CORPORATION (Gifu-shi Gifu, 68, JP)
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