[특허]Lightweight gas spring design with volume compensator incorporated into a suspension fork for two wheeled vehicles

[미국특허] Lightweight gas spring design with volume compensator incorporated into a suspension fork for two wheeled vehicles 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16F-009/48
출원번호	US-0787151 (2007-04-13)
등록번호	US-8123006 (2012-02-28)
발명자 / 주소	Schroeder, Brady Matthew
출원인 / 주소	Hayes Bicycle Group, Inc.
대리인 / 주소	Rozsa, Thomas I.
인용정보	피인용 횟수 : 12 인용 특허 : 28

초록 ▼

A lightweight gas spring with a volume compensator, which is incorporated into a fork leg of a two-wheel vehicle fork. The fork leg includes a housing having an upper inner telescoping hollow rod with a closed top and bottom end which is partially inserted into a lower outer telescoping rod having a closed bottom end. The inner upper telescoping rod inside includes a stationary volume compensator, a reciprocating piston, a first expandable and contractible gas chamber between the volume compensator and the piston which functions as a positive gas spring, and a second expandable and contractible gas chamber between the piston and the bottom end which can function as a negative gas spring, an air bypass channel which is longitudinally positioned on the inner surface of the inner telescoping rod may open to the first and second gas chamber.

대표청구항 ▼

1. A suspension fork for a two wheeled vehicle having a fork leg comprising: a. a gas spring housing which includes an inner telescoping hollow rod and an outer telescoping hollow rod, wherein the inner telescoping hollow rod is partially and movably inserted into the outer telescoping rod, the inner telescoping hollow rod includes an elongated circular wall having a top end which is air tightly sealed by an air top cap and a bottom end which is air tightly sealed by an air bottom cap, the outer telescoping hollow rod includes an elongated circular wall having a top end which is slidably connected to the inner telescoping rod and a bottom end with a central bore;b. a volume control member which is placed inside of the inner upper telescoping rod and is connected to the air top cap and having an elongated hollow shaft which is connected to a lower stationary piston which is air tightly affixed to the inside of the inner upper telescoping rod;c. an elastic volume compensator made of compressible foam material, which is connected to the lower stationary piston of the volume control member, comprising an elongated cylinder having a top end and bottom end;d. a reciprocating piston including a top end, bottom end and circular side wall, wherein the piston is movably and air tightly contacted to the inner side of the inner upper telescoping rod;e. a first expandable and contractible chamber filled with air and which is positioned between the volume compensator and the reciprocating piston, comprising a stationary chamber end and a changeable chamber end which is connected to the piston, wherein the changeable chamber end is changed along with the reciprocating movement of the piston;f. a second expandable and contractible chamber filled with air and which is positioned between the reciprocating piston and the bottom end of the inner upper telescoping rod, comprising a stationary chamber end and a changeable chamber end which is connected to the piston, wherein the changeable chamber end is changed along with the reciprocating movement of the piston;g. an air bypass channel, comprising an elongated slot having a top end and a bottom end, which is longitudinally positioned on the inner surface of the inner upper telescoping rod, the air bypass channel is connected between the first and second expandable and contractible chambers only when the second expandable and contractible chamber is in a contracting process to thereby cause the top end of the piston that is movably positioned to be lower than the top end of the elongated slot, and the air bypass channel is disconnected between the first and second expandable and contractible chambers only when the first expandable and contractible chamber is in a contracting process to thereby cause the top end of the piston that is movably positioned to be higher than the top end of the elongated slot;h. a piston connecting hollow rod connected to the piston, which extends to penetrate through the air bottom cap and connect to the central bore at the bottom end of the outer lower telescoping rod; andi. a gas valve, which is installed at the bottom end of the outer lower telescoping rod to connect to the piston connecting rod.

이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

Turner Paul H. ; McAndrews Michael L. ; Baldomero Ricardo R., Adjustable gas spring suspension system.
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Schupner Willard J. (Palatine IL), Adjustable hydraulic dashpot.
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Bohm Walter,DEX ; Weisser Frank,DEX, Adjustable length gas spring.
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Schupner ; Willard J., Adjustable shock absorber.
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Turner Paul H. ; Chu Kevan L. ; Cobene ; II Robert L., Adjustable suspension system having positive and negative springs.
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Thorn Richard P., Adjustable, lockable devices.
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Englund Arlo C., Air or gas sprung and dampened shock absorber.
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Rogers, Burl A., Airplane landing gear suspension and shock-absorbing device.
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Heideman Robert J. (Westland MI), Compact shock absorber.
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Wellington Scott L. (Houston TX) Richardson Edwin A. (Houston TX), Determining residual oil saturation using carbon 14 labeled carbon dioxide.
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Hennells Ransom J. (45500 N. Territorial Road Plymouth MI 48170), Energy absorber.
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Perrin Etienne,FRX, Gas spring.
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Jordan,Brian T., Gas spring suspension system.
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Schttler Oliver (Monreal DEX), Locking device for securing objects which are movable relatively to one another.
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Schuttler Oliver (Monreal DEX), Locking device for securing objects which are moveable relatively to one another.
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Gaines ; Donald Raymond ; Jelenic ; deceased ; Bronco Felex, Multi-chambered foam energy absorber.
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Leiphart,Troy; Hansen,James D., Non-pressurized monotube shock absorber.
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Grundei Manfred,DEX ; Reimer Hans,DEX ; Holzapfel Harald,DEX, Piston-cylinder aggregate with displacement-dependent dampening force field.
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John Marking ; Douglas E. Brewer ; Robert C. Fox, Jr., Position-sensitive shock absorber.
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Marking John ; Brewer Douglas E. ; Fox Robert C., Position-sensitive shock absorber.
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Heideman Robert J. (Westland MI), Shock absorber.
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Marking John, Shock absorber with external air cylinder spring.
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Heideman Robert J. (Westland MI), Shock absorber with hole-on-groove configuration and with adjusting device.
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Marking John, Shock absorber with positive and negative gas spring chambers.
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Yamada Katsumi (Zama JPX) Hojima Toshinari (Yokohama JPX), Shock absorber with resiliently biased adjustment piston.
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Donald Alan Kesinger, Shock absorbing post assembly for crutch and bicycle seat.
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Achenbach, Martin, Suspension system for bicycles.
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Tullis Jay K. (18496 Centennial St. Hesperia CA 92345), Tunable air spring.
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이 특허를 인용한 특허 (12) 인용/피인용 타임라인 분석

Holden, David J.; Wizorek, Andrew M.; Holbert, Todd J., Air spring, air strut and air suspension system with a linearized spring rate.
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Barefoot, Darek C., Annular valve.
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Wootten, Dennis K.; Fox, Robert C.; Yablon, Joshua Benjamin; Haugen, David M., Methods and apparatus for combined variable damping and variable spring rate suspension.
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Wootten, Dennis K.; Fox, Robert C.; Yablon, Joshua Benjamin; Haugen, David M., Methods and apparatus for combined variable damping and variable spring rate suspension.
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Laird, Andrew; Pelot, Sante M.; Becker, William M.; Wootten, Dennis K., Methods and apparatus for suspending vehicles.
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Galasso, Mario; Yablon, Josh; Laird, Andrew; Becker, William M.; Franklin, Joseph; Wootten, Dennis K., Methods and apparatus for vehicle suspension having multiple gas volumes.
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Galasso, Mario; Yablon, Joshua Benjamin; Laird, Andrew; Becker, William M.; Franklin, Joseph; Wootten, Dennis K., Methods and apparatus for vehicle suspension having multiple gas volumes.
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Bossard, Olivier, Pneumatic suspension device.
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Yablon, Joshua Benjamin; Wootten, Dennis K.; Fox, Robert C.; Haugen, David M.; Pelot, Sante, Vehicle suspension damper.
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Yablon, Joshua Benjamin; Wootten, Dennis K.; Fox, Robert C.; Haugen, David M.; Pelot, Sante, Vehicle suspension damper.
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Yablon, Joshua Benjamin; Wootten, Dennis K.; Fox, Robert C.; Haugen, David M.; Pelot, Sante, Vehicle suspension damper.
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연합인증

[미국특허] Lightweight gas spring design with volume compensator incorporated into a suspension fork for two wheeled vehicles 원문보기

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이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (12) 인용/피인용 타임라인 분석

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[미국특허] Lightweight gas spring design with volume compensator incorporated into a suspension fork for two wheeled vehicles 원문보기

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이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (12) 인용/피인용 타임라인 분석

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