Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Murota0
Takashi Asa0
Yasushi Saitou0
Date of Patent
December 2, 2008
0Patent Application Number
116504670
Date Filed
January 8, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A gas spring (1) comprises a piston rod (4) projecting from an open end of a cylinder (2) so as to be able to elongate and contract axially, and a dust seal (10) which is in contact with the piston rod (4) to prevent dust from invading the cylinder (2). By fitting a seal protecting member (21) to the open end of the cylinder (2) to shield the dust seal (10) from exposure to the outside of the cylinder (2), protection of the dust seal (10) from deterioration and damage is enhanced.
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