A brake lever assembly for actuating a hydraulic system is shown and described. The brake lever assembly comprises a housing, a master cylinder disposed in the housing, and a master piston disposed in the master cylinder. The master piston has an adjustable dead band. A lever is connected to the hou
A brake lever assembly for actuating a hydraulic system is shown and described. The brake lever assembly comprises a housing, a master cylinder disposed in the housing, and a master piston disposed in the master cylinder. The master piston has an adjustable dead band. A lever is connected to the housing and has an adjustable reach. The lever is pivotable about a first axis to adjust the reach and is pivotable about a second axis to actuate the master piston.
대표청구항▼
What is claimed is: 1. A brake lever assembly, comprising: a housing; a lever connected to the housing and pivotable about a pivot axis, wherein the pivot axis has a position with respect to the housing, and the position is adjustable; and a master cylinder assembly disposed in the housing and comp
What is claimed is: 1. A brake lever assembly, comprising: a housing; a lever connected to the housing and pivotable about a pivot axis, wherein the pivot axis has a position with respect to the housing, and the position is adjustable; and a master cylinder assembly disposed in the housing and comprising a master piston operatively connected to the lever; wherein the master cylinder assembly has an adjustable dead band. 2. The brake lever assembly of claim 1, wherein the master piston has a non-actuated state and a seal, the master cylinder has a port, and the dead band is the distance between the seal and the port when the master piston is in the non-actuated state. 3. The brake lever assembly of claim 1, wherein the lever has a shaft and an adjustable connector disposed through the shaft, and moving the adjustable connector with respect to the shaft adjusts the dead band. 4. The brake lever assembly of claim 1, wherein the lever has a neutral position and a fully actuated position defining a reach between the neutral position and the fully-actuated position, and the reach is adjustable. 5. The brake lever assembly of claim 1, wherein the master cylinder has a longitudinal axis, and the pivot axis is spaced apart from the longitudinal axis. 6. The brake lever assembly of claim 5, wherein the position of the pivot axis with respect to the housing is adjustable in a direction that is substantially parallel to the master cylinder's longitudinal axis. 7. The brake lever assembly of claim 1, wherein the housing further comprises a pair of opposing slots, the lever includes a pivot shaft, the pivot shaft has a longitudinal axis defining the pivot axis, and the pivot shaft is movably disposed within the pair of opposing slots. 8. A brake lever assembly, comprising; a housing having first and second pairs of opposing slots, wherein the first and second pairs of opposing slots are spaced apart from one another; a lever having a first pivot shaft and a second pivot shaft, the first pivot shaft being disposed in the first pair of opposing slots and having a position in the first pair of slots, the second pivot shaft being disposed in the second pair of opposing slots; a master cylinder disposed in the housing; a master piston disposed in the master cylinder; a dead band adjustment device operatively connecting the master piston to the second pivot shaft, wherein the dead band adjustment device is adjustable to vary the position of the master piston with respect to the second pivot shaft; and a reach adjustment device connecting the housing to the first pivot shaft, wherein the reach adjustment device is adjustable to vary the position of the first pivot shaft in the first pair of opposing slots. 9. The brake lever assembly of claim 8, wherein the lever has a neutral position and a fully-actuated position defining a reach between the neutral position and the fully actuated position, and adjusting the position of the first pivot shaft in the first pair of opposing slots adjusts the reach. 10. A brake lever assembly, comprising: a housing having a pair of opposing slots; a master cylinder disposed in the housing and having a port; a master piston assembly disposed in the master cylinder, the master piston assembly comprising a master piston, the master piston having a seal, the master piston further having a non-actuated state defining a distance between the seal and the port when the master piston is in the non-actuared state; a lever having a first end and a cross member, wherein the first end is pivotally connected to the housing, and the cross member is spaced apart from the first end and disposed in the pair of opposing slots; and an adjustable connector operatively connecting the cross member to the master piston assembly, wherein the adjustable connector is adjustable to vary the distance. 11. The brake lever of claim 10, wherein the adjustable connector abuttingly engages the master piston assembly. 12. The brake lever assembly of claim 10, wherein the master piston is biased towards the lever. 13. The brake lever assembly of claim 10, wherein the adjustable connector is rotatable to vary the position of the adjustable connector with respect to the lever. 14. The brake lever assembly of claim 10, further comprising a first coupling member, wherein the adjustable connector has an adjustment end and an engagement end, the engagement end is connected to the first coupling member, and the first coupling member abuttingly engages the master piston assembly. 15. The brake lever assembly of claim 14, wherein the master piston assembly further comprises a second coupling member attached to the master piston, and the second coupling member abuttingly engages the first coupling member. 16. The brake lever assembly of claim 10, wherein the master piston is a first master piston, the master piston assembly further comprises a second master piston, the first master piston has a hole, and the second master piston is at least partially disposed in the hole. 17. The brake lever assembly of claim 10, wherein the adjustable connector has a longitudinal axis, the master cylinder has a longitudinal axis, and the adjustable connector's longitudinal axis is substantially parallel to the master cylinder's longitudinal axis.
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이 특허에 인용된 특허 (15)
Kawaguchi Takeshi (Saitama JPX), Adjustable manipulating lever for motorcycle.
Uchibaba, Kouichi; Takahashi, Hirotake; Uchiyama, Chiyomitsu, Operation device for clutch master cylinder with means to adjust the play stroke of the clutch lever.
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