Land vehicles – Wheeled – Running gear
Patent
1998-01-09
2000-02-15
Johnson, Brian L.
Land vehicles
Wheeled
Running gear
267217, B60G 1510
Patent
active
06024366&
ABSTRACT:
A suspension apparatus with a pair of hydraulic dampers 1 disposed on left and right sides of a vehicle, an upper end side of which is connected to a vehicle body side and a lower end side is connected to an axle side, and a pressure regulating cylinder 2 communicating with piston side oil chambers a of the pair of hydraulic dampers 1. The pressure regulating cylinder 2 has a free piston 26 slidably disposed within a cylinder body 24 and defining a front side chamber h and a back side chamber i within the cylinder body 24. The free piston 26 is slidably encased in a cylinder member and has a partitioning member 27 for defining a closed chamber j and an open chamber k communicating with a front side chamber h on the inner peripheral side of the free piston 26. The partitioning member 27 has a damping valve 4 which communicates between the closed chamber j and the open chamber k, and has a proximal end connected to an extreme end of a rod body 29 elastically supported on the cylinder body 24. The front side chamber h communicates with a piston side oil chamber a of one hydraulic damper 1. The closed chamber j communicates with a piston side oil chamber a of the other hydraulic damper 1 through a through-hole 29b bored in an axial central part of the rod body 29.
REFERENCES:
patent: 3480269 (1969-11-01), Jewell et al.
patent: 3625540 (1971-12-01), Jewell
patent: 4909488 (1990-03-01), Seibert et al.
patent: 5058868 (1991-10-01), Sirven
patent: 5080392 (1992-01-01), Bazergui
patent: 5486018 (1996-01-01), Sakai
Britton Michael
Johnson Brian L.
Kayaba Kogyo Kabushiki Kaisha
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