Methods and apparatus for suspension adjustment
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16F-009/34
F16F-009/02
F16F-009/32
B60G-011/27
B60G-017/015
B60G-017/052
B60G-015/10
F16F-009/00
F16F-009/43
F16M-013/02
B60G-015/12
B62K-025/28
출원번호
US-0211670
(2016-07-15)
등록번호
US-10145435
(2018-12-04)
발명자
/ 주소
Galasso, Mario
Wootten, Dennis K.
Franklin, Joseph
출원인 / 주소
Fox Factory, Inc.
인용정보
피인용 횟수 :
0인용 특허 :
163
초록▼
A shock absorber includes a gas spring cylinder containing a piston moveable between an extended position and a compressed position within the gas spring cylinder. A mechanical actuator is arranged whereby a bleed port is automatically closed when the gas spring is compressed to a predetermined posi
A shock absorber includes a gas spring cylinder containing a piston moveable between an extended position and a compressed position within the gas spring cylinder. A mechanical actuator is arranged whereby a bleed port is automatically closed when the gas spring is compressed to a predetermined position corresponding to a desired sag setting. In one embodiment, the position corresponds to a predetermined sag setting whereby the gas spring is partially compressed. In another embodiment, a proper sag setting is determined through the use of a processor and sensor that in one instance measure a position of shock absorber components to dictate a proper sag setting and in another instance calculate a pressure corresponding to a preferred sag setting.
대표청구항▼
1. An assembly for adjusting a gas pressure of a shock absorber, said assembly comprising: a bracket configured to be removably mounted on a damper body of said shock absorber; anda bleed valve coupled to said bracket, said bleed valve configured to be removably coupled to a fill valve of said shock
1. An assembly for adjusting a gas pressure of a shock absorber, said assembly comprising: a bracket configured to be removably mounted on a damper body of said shock absorber; anda bleed valve coupled to said bracket, said bleed valve configured to be removably coupled to a fill valve of said shock absorber, said bleed valve for bleeding gas from said shock absorber as said shock absorber is compressed, said bleed valve further configured to be disposed in an initially open position, said bleed valve further comprising: a plunger, said plunger extending from said bleed valve, said plungerdisposed to be depressed when said damper body moves a sufficient distance with respect to another portion of said shock absorber, depression of said plunger closing said bleed valve; and a sag mode valve configured to override said bleed valve, said sag mode valve having a first position in which said sag mode valve prevents gas from passing through said bleed valve, even when said bleed valve is in said initially open position, said sag mode valve having a second position which allows gas to pass through said bleed valve when said bleed valve is in said initially open position. 2. The assembly of claim 1, wherein said bracket further comprises: a holder, said holder configured to hold said bleed valve and retain said bleed valve is a desired position with respect to said shock absorber. 3. The assembly of claim 2 wherein said bracket further comprises: a retention member, said retention member configured to retain said plunger of said bleed valve in a depressed or closed position in order to prevent additional gas from passing through said bleed valve after it is desired to close said bleed valve. 4. The assembly of claim 3, wherein said retention member is further configured to rotate about an end point towards a center of said holder, such that said retention member is able to engage said plunger thereby preventing the plunger from moving after said plunger is depressed. 5. The assembly of claim 4, wherein said retention member further comprises: a spring; anda spring member configured to bias said spring, such that spring retains said retention member in a position where said retention member engages said plunger. 6. The assembly of claim 1, wherein said assembly further comprises: a shock absorber position sensor coupled to said shock absorber; andan electronically controlled pressure relief valve within said bleed valve, said electronically controlled pressure relief valve configured to enable said bleed valve to be electronically controlled to adjust gas pressure of said shock absorber to a desired level based upon readings received from said shock absorber position sensor. 7. The assembly of claim 6, wherein said shock absorber position sensor further comprises: a gas spring pressure sensor; anda processor coupled to receive data from said gas spring pressure sensor, said processor configured to calculate axial position of said shock absorber based on information selected from the group consisting of: a compression ratio of said shock abosorber, a pressure of a gas spring of said shock absorber, and gas compression laws. 8. The assembly of claim 6 further comprising: an automated pump configured to be coupled to said fill valve of said shock absorber, said automated pump further configured to receive information regarding gas pressure of said shock absorber such that said automated pump is able to adjust said gas pressure of said shock absorber based upon said information. 9. The assembly of claim 1, wherein said bleed valve further comprises: a Schrader type valve including a valve stem; anda lever arm, said lever arm retaining said valve stem of said Schrader valve in an open position until said plunger is depressed and engages said lever arm thereby causing said lever arm to release said valve stem from said open position. 10. The assembly of claim 9, wherein said bleed valve further comprises: a spring steel latch for retaining said lever arm in a position where said lever arm has released said valve stem from said open position. 11. The assembly of claim 1 further comprising: a shock absorber pressure sensor coupled to said bleed valve;an electronic control/processing unit coupled to said shock absorber pressure sensor; anda user interface coupled to said electronic control/processing unit, said user interface having controls to enable user interaction therewith. 12. The assembly of claim 11 where said electronic control/processing unit further comprises: connection means for communicatively coupling said electronic control/processing unit to another computer system to enable communications selected from the group consisting of: a programming download, a data download, a data upload, and standard computer operation information. 13. The assembly of claim 1, wherein said bracket further comprises: a fastening member for retaining said bracket in a circular shape, said fastening member configured for affixing said bracket to said damper body. 14. A shock absorber adjustment assembly comprising: a bracket configured to be removably coupled to said shock absorber; anda bleed valve coupled to said bracket, said bleed valve configured to be removably coupled to a fill valve of said shock absorber, said bleed valve comprising: a plunger coupled to said bleed valve;a sag mode valve configured to override said bleed valve; anda lock out member and a second lock out member for preventing operation of said bleed valve. 15. The shock absorber adjustment assembly of claim 14 wherein said bleed valve further comprises: a lever arm configured to hold said bleed valve in an open position until engaged by said plunger.
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