GB2493063A - Adjustable hydraulic brake - Google Patents
Adjustable hydraulic brake Download PDFInfo
- Publication number
- GB2493063A GB2493063A GB201212054A GB201212054A GB2493063A GB 2493063 A GB2493063 A GB 2493063A GB 201212054 A GB201212054 A GB 201212054A GB 201212054 A GB201212054 A GB 201212054A GB 2493063 A GB2493063 A GB 2493063A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinders
- text
- hydraulic brake
- connecting brackets
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
- B62L1/06—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged
- B62L1/10—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel rim being engaged by the elements moving substantially parallel to the wheel axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
A hydraulic brake includes a mounting frame 10, four fixing pieces 20, two cylinders 30, two adjusting knobs 40, two threaded rods 50, two threaded blocks 60, two connecting brackets 70, and two braking members 80. The height and angle of each of the two braking members 80 can be adjusted to fit wheels of different sizes and specifications. In addition, after the brake pad 81 of each of the two braking members 80 is rubbed or worn following use, each of the two adjusting knobs 40 may be rotated to move the two braking members 80 and to shorten the distance between the two braking members.
Description
HYDRAULIC BRAKE FOR BICYCLE
The present invention relates to a brake and, more particularly, to a hydraulic brake for bicycle.
A hydraulic brake can be used to brake the wheel of a bicycle efficiently. The hydraulic brake usually has a longer lifetime and needs a smaller driving force. Iii addition, the braking function of the hydraulic brake is not limited to the weather, environment and temperature. However, the height and angle of the braking pads of a conventional hydraulic brake cannot be adjusted so that the conventional hydraulic brake is only available for the wheel of a fixed size and cannot fit wheels of different sizes and specifications, thereby decreasing the versatility of the hydraulic brake. In addition, when the braking pads of the conventional hydraulic brake are rubbed or worn during a long-term utilization, the distance between the braking pads is increased so that the braking effect of the braking pads are decreased or even fails.
Is The primary objective of the present invention is to provide a hydraulic brake adjustment control device.
According to the primary advantage of the present invention, the height and angle of each of the two braking members can be adjusted to fit wheels of different sizes and specifications, thereby enhancing the versatility of the hydraulic brake.
According to another advantage of the present invention, after the brake pad of each of the two braking members is rubbed or worn during a long-term utilization, each of the two adjusting knobs is rotated to move the two braking members and to shorten the distance between the two braking members so as to enhance the braking effect of the two braking members.
Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
In the drawings: FIG. 1 is a perspective view of a hydraulic brake in accordance with the preferred embodiment of the present invention.
FIG 2 is a partially exploded perspective view of the hydraulic brake as shown in FIG. 1.
FIG 3 is another partially exploded perspective view of the hydraulic brake as shown in FIG. 1.
FIG. 4 is a schematic front operational view of the hydraulic brake as shown in FIG 11.
FIG. 5 is a schematic side operational view of the hydraulic brake as shown in FIG 1.
FIG. 6 is a partially front cross-sectional operational view of the hydraulic brake as shown in FIG. I. Referring to the drawings and initially to FIGS. 1-3, a hydraulic brake in accordance with the preferred embodiment of the present invention comprises a mounting frame 10, four fixing pieces 20, two cylinders 30, two adjusting knobs 40, two threaded rods 50, two threaded blocks 60, two connecting brackets 70, and two braking members 80.
The mounting frame 10 is secured to a fork of a bicycle. The mounting frame 10 has a substantially inverted U-shaped profile and has a lower portion provided with an opening to allow passage of a wheel of the bicycle. The mounting frame 10 has two opposite sides each provided with a first through hole 12. Each of the two opposite sides of the mounting frame 10 has a guide slot 11.
The four fixing pieces 20 are arranged in pairs to clamp each of the two cylinders 30 respectively. Each of the four fixing pieces 20 has a central portion provided with a first through hole 201. Each of the four fixing pieces 20 has a side provided with a tapered contact portion 202.
Each of the two cylinders 30 is located between two of the four fixing pieces 20. Each of the two cylinders 30 is provided with a hydraulic line 31. Each of the two cylinders 30 has an interior receiving a piston 32 which is driven and moved sideward by a braking oil in the hydraulic line 31. The piston 32 in each of the two cylinders 30 has a side provided with a recess 321.
Each of the two cylinders 30 has a lower portion provided with a protrusion 33.
The protrusion 33 of each of the two cylinders 30 is clamped between two of the four fixing pieces 20 and has an interior provided with an elongate slot 332.
The protrusion 33 of each of the two cylinders 30 has two opposite sides each provided with a tapered guide face 331 abutting the contact portion 202 of a respective one of the fixing pieces 20 to guide and calibrate movement of each of the two cylinders 30 relative to the mounting frame 10. The guide face 331 of the protrusion 33 of each of the two cylinders 30is connected to the elongate slot 332. Each of the two cylinders 30 is pivotally connected with two links 36.
Each of the two cylinders 30 has a side provided with a lug 35 supporting a first end of each of the two links 36. Each of the two cylinders 30 has a rear portion provided with a guide rail 34 slidabty mounted in the respective guide slot 11 of the mounting frame 10 to guide movement of each of the two cylinders 30 relative to the mounting frame 10.
The hydraulic brake further comprises two screws 21 each extended through the first through hole 201 of each of the two respective fixing pieces 20, the elongate slot 332 of the protrusion 33 of a respective one of the two cylinders 30 and the respective first through hole 12 of the mounting frame 10, and two nuts 22 screwed onto a respective one of the two screws 21 so that each of the two cylinders 30 is secured to the mounting frame 10 by the two respective fixing pieces 20.
Each of the two connecting brackets 70 is pivotally connected with the two links 36 so that each of the two connecting brackets 70 is connected with a respective one of the two cylinders 30 by the two links 36. The two links 36 are located above each of the two connecting brackets 70 and each of the two cylinders 30. A restoring spring 37 is biased between the two links 36 to provide a restoring function to each of the two connecting brackets 70 and each of the two braking members 80. Each of the two connecting brackets 70 has a side provided with a support arm 74 supporting a second end of each of the two links 36. Each of the two connecting brackets 70 has an interior provided with a mounting hole 71. The mounting hole 71 of each of the two connecting brackets 70 has a top and a bottom each provided with a receiving cavity 72.
The receiving cavity 72 of each of the two connecting brackets 70 has an arcuate shape. Each of the two connecting brackets 70 has a periphery provided with a screw bore 73 which is connected to the mounting hole 71. A link 36 is also pivotally connected between and located under each of the two connecting brackets 70 and each of the two cylinders 30.
Each of the two braking members 80 has a first side provided with a mounting tube 82 inserted into the mounting hole 71 of a respective one of the two connecting brackets 70. The mounting tube 82 of each of the two braking members 80 has an outer wall provided with an annular retaining groove 83.
Each of the two braking members 80 has a second side provided with a brake pad 81.
The hydraulic brake further comprises two set screws 75 each screwed through the screw bore 73 into the mounting hole 71 of a respective one of the two connecting brackets 70 and each extended into and locked in the retaining groove 83 of the mounting tube 82 of a respective one of the two braking members 80 to lock the respective braking member 80 onto the respective connecting bracket 70.
Each of the two threaded blocks 60 has a top and a bottom each provided with a shaft 62 secured in the respective receiving cavity 72 of a respective one of the two connecting brackets 70. Each of the two threaded blocks 60 has a central portion provided with a threaded hole 61. Each of the two threaded blocks 60 protrudes outward from a respective one of the two cylinders 30. Each of the two threaded blocks 60 has an end provided with a contracted conic face.
Each of the two threaded rods 50 is screwed into the threaded hole 61 of a respective one of the two threaded blocks 60. Each of the two threaded rods 50 has an end provided with an abutting stub 51 inserted into the recess 321 of the piston 32 in each of the two cylinders 30. The abutting stub 51 of each of the two threaded rods 50 has a circular head.
Each of the two adjusting knobs 40 has a central portion provided with a through bore 41 mounted on the abutting stub 51 of a respective one of the two threaded rods 50. Each of the two adjusting knobs 40 has a periphery provided with a screw hole 42 connected to the through bore 41. Each of the S two adjusting knobs 40 protrudes outward from a respective one of the two cylinders 30.
The hydraulic brake further comprises two adjusting screws 43 each screwed through the screw hole 42 into the through bore 41 of a respectiVe one of the adjusting knobs 40 and each pressing the abutting stub 51 of a respective one of the two threaded rods 50 to lock the respective adjusting knob 40 onto the respective threaded rod 50.
In assembly; each of the two screws 21 is extended through the first through hole 201 of each of the two respective fixing pieces 20, the elongate slot 332 of the protrusion 33 of a respective one of the two cylinders 30 and the respective first through hole 12 of the mounting frame 10, and each of the two nuts 22 is screwed onto a respective one of the two screws 21 so that each of the two cylinders 30 is secured to the mounting frame 10 by the two respective fixing pieces 20. At this time, the guide rail 34 of each of the two cylinders 30 is inserted into the respective guide slot 11 of the mounting frame 10. Then, each of the two adjusting screws 43 is screwed through the screw hole 42 into the through bore 41 of a respective one of the adjusting knobs 40 and presses
S
the abutting stub 51 of a respective one of the two threaded rods 50 to lock the respective adjusting knob 40 onto the respective threaded rod 50. Then, each of the two threaded rods 50 is screwed into the threaded hole 61 of a respective one of the two threaded blocks 60. Then, the abutting stub 51 of each of the two threaded rods 50 is inserted into the recess 321 of the piston 32 in each of the two cylinders 30, with each of the two adjusting knobs 40 and each of the two threaded blocks 60 being protruded outward from a respective one of the two cylinders 30. Then, each of the two connecting brackets 70 is connected with a respective one of the two cylinders 30 by the two links 36. At this time, the shaft 62 of each of the two threaded blocks 60 is secured in the respective receiving cavity 72 of a respective one of the two connecting brackets 70. Then, the mounting tube 82 of each of the two braking members 89 is inserted into the mounting hole 71 of a respective one of the two connecting brackets 70.
Finally, each of the two set screws 75 is screwed through the screw bore 73 into the mounting hole 71 of a respective one of the two connecting brackets and is extended into and locked in the retaining groove 83 of the mounting tube 82 of a respective one of the two braking members 80 to Jock the respective braking member 80 onto the respective connecting bracket 70.
in operation, referring to FIGS. 1-4, each of the two nuts 22 is unscrewed from the respective screw 21 to unlock each of the two cylinders 30 from the two respective fixing pieces 20 so that each of the two cylinders 30 is movable upward and downward relative to the two respective fixing pieces 20 as shown in FIG 4 to adjust the height of each of the two braking members 80 so as to fit wheels of different sizes. At this time, the guide rail 34 of each of the two cylinders 30 is slidable in the respective guide slot 11 of the mounting frame 10 to guide movement of each of the two cylinders 30 relative to the mounting frame 10. After adjustment of the height of each of the two braking members 80 is accomplished, each of the two nuts 22 is screwed onto the respective screw 21 to lock each of the two cylinders 30 between the two respective fixing pieces 20 again.
Alternatively, referring to FIGS. 1-3 and 5, each of the two set screws is unscrewed from the screw bore 73 and is detached from the retaining groove 83 of the mounting tube 82 of the respective braking member 80 to unlock the respective braking member 80 from the respective connecting bracket 70 so that the respective braking member 80 is rotatable relative to the Is respective connecting bracket 70 as shown in FIG 5 so as to adjust the angle of the respective braking member 80. After adjustment of the angle of each of the two braking members 80 is accomplished, each of the two set screws 75 is screwed through the screw bore 73 into the mounting hole 71 of the respective connecting bracket 70 and is extended into and locked in the retaining groove 83 of the mounting tube 82 of the respective braking member 80 to lock the respective braking member 80 onto the respective connecting bracket 70 again.
Alternatively, referring to FIGS. 1-3 and 6, after the brake pad 81 of each of the two braking members 80 is nibbed or worn during a long-term utilization, each of the two adjusting knobs 40 is rotated so that each of the two threaded rods 50 is rotated to drive each of the two threaded blocks 60. At this time, the shaft 62 of each of the two threaded blocks 60 is secured in the respective receiving cavity 72 of the respective connecting bracket 70 so that each of the two threaded blocks 60 is not rotated in concert with each of the two threaded rods 50. In such a manner, when each of the two threaded rods 50 is rotated, each of the two threaded blocks 60 is translated by a screwing engagement between each of the two threaded rods 50 and each of the two threaded blocks 60 so that each of the two connecting brackets 70 is driven and pushed by each of the two threaded blocks 60, and the two braking members 80 are moved toward each other as shown in FIG. 6 to shorten the distance between the two braking members 80 so as to enhance the braking effect of the two braking members 80.
Accordingly, the height and angle of each of the two braking members 80 can be adjusted to fit wheels of different sizes and specifications, thereby enhancing the versatility of the hydraulic brake. In addition, after the brake pad 81 of each of the two braking members 80 is rubbed or worn during a tong-term utilization, each of the two adjusting knobs 40 is rotated to move the two braking members 80 and to shorten the distance between the two braking members 80 so as to enhance the braking effect of the two braking members 80.
Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the true scope of the Invention.
Claims (1)
- <claim-text>CLAIMS1. A hydraulic brake, comprising: a mounting frame (10), four fixing pieces (20), two cylinders (30), two adjusting knobs (40), two threaded rods (50), two threaded blocks (60), two connecting brackets (70), and two braking members (80); wherein the mounting frame is secured to a fork of a bicycle; the mounting frame has two opposite sides each provided with a first through hole (12); the four fixing pieces are arranged in pairs to clamp each of the two cylinders respectively; each of the four fixing pieces has a central portion provided with a first through hole (201); each of the two cylinders is provided with a hydraulic line (31); each of the two cylinders has an interior receiving a piston (32) which is driven by a braking oil in the hydraulic line; the piston in each of the two cylinders has a side provided with a recess (321); each of the two cylinders has a lower portion provided with a protrusion (33);Uthe protrusion of each of the two cylinders is clamped between two of the four fixing pieces and has an interior provided with an elongate slot (332); each of the two cylinders is pivotally connected with two links (36); each of the two cylinders has a side provided with a lug (35) supporting a first end of each of the two links; the hydraulic brake thither comprises two screws (21) each extended through the first through hole of each of the two respective fixing pieces, the elongate slot of the protrusion of a respective one of the two cylinders and the respective first through hole of the mounting frame, and two nuts (22) screwed onto a respective one of the two screws so that each of the two cylinders is secured to the mounting frame by the two respective fixing pieces; each of the two connecting brackets is pivotally connected with the two links so that each of the two connecting brackets is connected with a respective one of the two cylinders by the two links; each of the two connecting brackets has a side provided with a support arm (74) supporting a second end of each of the two links; each of the two connecting brackets has an interior provided with a mounting hole (71); the mounting hole of each of the two connecting brackets has a top and a bottom each provided with a receiving cavity (72); each of the two connecting brackets has a periphery provided with a screw bore (73) which is connected to the mounting hole; each of the two braking members has a first side provided with a mounting tube (82) inserted into the mounting hole of a respective one of the two connecting brackets; the mounting tube of each* of the two braking members has an outer wall provided with an annular retaining groove (83); each of the two braking members has a second side provided with a brake pad (81); the hydraulic brake further comprises two set screws (75) each screwed through the screw bore into the mounting hole of a respective one of the two connecting brackets and each extended into and locked in the retaining groove of the mounting tube of a respective one of the two braking members to lock the respective braking member onto the respective connecting bracket; each of the two threaded blocks has a top and a bottom each provided with a shaft (62) secured in the respective receiving cavity of a respective one of the two connecting brackets; each of the two threaded blocks has a central portion provided with a threaded hole (61); each of the two threaded blocks protrudes outward from a respective one of the two cylinders; each of the two threaded rods is screwed into the threaded hole of a respective one of the two threaded blocks; each of the two threaded rods has an end provided with an abutting -stub (51.) inserted into the recess ofthepiston in each of the two cylinders; each of the two adjusting knobs has a central portion provided with a through bore (41) mounted on the abutting stub of a respective one of the two threaded rods; each of the two adjusting knobs has a periphery provided with a screw hole (42); each of the two adjusting knobs protrudes outward from a respective one of the two cylinders; the hydraulic brake further comprises two adjusting screws (43) each screwed througltthe screw hole into the through bore of a respective one of the adjusting knobs and each pressing the abutting stub of a respective one of the two threaded rods to lock the respective adjusting knob onto the respective threaded rod..</claim-text> <claim-text>2. The hydraulic brake of claim 1, wherein each of the two opposite sides of the mounting frame has a guide slot (Ii); . each of the two cylinders has a rear portion provided with a guide rail (34) slidably mounted in the respective guide slot of the mounting frame.</claim-text> <claim-text>3. The hydraulic brake of claim 1, wherein each of the four fixing pieces has a side provided with a tapered contact portion (202); the protmsion of each of the two cylinders has two opposite sides each provided with a tapered guide face (331) abutting the contact portion of a respective one of the fixing pieces; the guide face of the protrusion of each of the two cylinders is connected to the elongate slot.</claim-text> <claim-text>4. The hydraulic brake of claim 1, wherein the two links are located above each of the two connecting brackets and each of the two cylinders, and a restoring spring (37) is biased between the two links.</claim-text> <claim-text>5. The hydraulic brake of claim 1, wherein a link is also pivotally connected between and located under each of the two connecting brackets and each of the two cylinders.</claim-text> <claim-text>6. The hydraulic brake of claim 1, wherein each of the two threaded blocks has an end provided with a contracted conic face.</claim-text> <claim-text>7. A hydraulic brake substantially as hereinbefore described with reference to and as shown in the accompanying drawings.</claim-text>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100213433U TWM419727U (en) | 2011-07-21 | 2011-07-21 | Hydraulic brake adjustment and control device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201212054D0 GB201212054D0 (en) | 2012-08-22 |
| GB2493063A true GB2493063A (en) | 2013-01-23 |
| GB2493063B GB2493063B (en) | 2014-02-19 |
Family
ID=46451829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB201212054A Expired - Fee Related GB2493063B (en) | 2011-07-21 | 2012-07-06 | Hydraulic brake for bicycle |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE202012102719U1 (en) |
| FR (1) | FR2978113B3 (en) |
| GB (1) | GB2493063B (en) |
| IT (1) | ITUD20120017U1 (en) |
| TW (1) | TWM419727U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9701362B2 (en) | 2015-02-27 | 2017-07-11 | Shimano Inc. | Bicycle brake device |
| US9764794B2 (en) | 2015-02-27 | 2017-09-19 | Shimano Inc. | Bicycle brake device and bicycle rim brake device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013113592A1 (en) * | 2013-12-06 | 2015-06-11 | Gustav Magenwirth Gmbh & Co. Kg | Hydraulic bicycle brake unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5813501A (en) * | 1996-10-18 | 1998-09-29 | Terry, Sr.; Maurice C. | Hand operated hydraulic vehicle brake |
| DE102011003274A1 (en) * | 2011-01-27 | 2012-08-02 | Gustav Magenwirth Gmbh & Co. Kg | Hydraulic rim brake and vehicle |
-
2011
- 2011-07-21 TW TW100213433U patent/TWM419727U/en not_active IP Right Cessation
-
2012
- 2012-07-06 GB GB201212054A patent/GB2493063B/en not_active Expired - Fee Related
- 2012-07-17 IT ITUD20120017 patent/ITUD20120017U1/en unknown
- 2012-07-19 DE DE201220102719 patent/DE202012102719U1/en not_active Expired - Lifetime
- 2012-07-20 FR FR1257088A patent/FR2978113B3/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5813501A (en) * | 1996-10-18 | 1998-09-29 | Terry, Sr.; Maurice C. | Hand operated hydraulic vehicle brake |
| DE102011003274A1 (en) * | 2011-01-27 | 2012-08-02 | Gustav Magenwirth Gmbh & Co. Kg | Hydraulic rim brake and vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9701362B2 (en) | 2015-02-27 | 2017-07-11 | Shimano Inc. | Bicycle brake device |
| US9764794B2 (en) | 2015-02-27 | 2017-09-19 | Shimano Inc. | Bicycle brake device and bicycle rim brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201212054D0 (en) | 2012-08-22 |
| TWM419727U (en) | 2012-01-01 |
| GB2493063B (en) | 2014-02-19 |
| DE202012102719U1 (en) | 2012-08-30 |
| FR2978113A3 (en) | 2013-01-25 |
| ITUD20120017U1 (en) | 2013-01-22 |
| FR2978113B3 (en) | 2013-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20170706 |