Hydraulic shock absorber

Details Hydraulic shock absorber Hydraulic shock absorber

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 9/06 (2006.01) B62K 25/08 (2006.01) F16F 9/32 (2006.01) F16F 9/48 (2006.01) F16F 9/49 (2006.01)

Patent

CA 2466205

A hydraulic shock absorber including: a cylinder 20; a piston 30 slidably housed in the cylinder; a piston rod 31 connected to the piston; a piston rod side fluid chamber 2 and piston side fluid chamber 3 being partitioned off within the cylinder on both sides of the piston; an outer shell 10 that is disposed coaxially with the cylinder in the outer side of the cylinder; a bypass pathway 4 formed between the cylinder and the outer shell; a plurality of connection holes 21,22 formed in different locations in a piston stroke direction of the cylinder, the plurality of connection holes connecting the bypass pathway with the piston rod side fluid chamber and the piston side fluid chamber; an extension portion 17 of the outer shell that extends further in an axial direction than an end portion of the cylinder; a free piston 52 disposed slidably within the extension portion; a fluid reservoir chamber 5 and a gas chamber 6 being partitioned off on both sides of the free piston.

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