CN1179133A - Improved brakes for bicycles and other chain driven mechanisms - Google Patents

Improved brakes for bicycles and other chain driven mechanisms Download PDF

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Publication number
CN1179133A
CN1179133A CN 96192647 CN96192647A CN1179133A CN 1179133 A CN1179133 A CN 1179133A CN 96192647 CN96192647 CN 96192647 CN 96192647 A CN96192647 A CN 96192647A CN 1179133 A CN1179133 A CN 1179133A
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CN
China
Prior art keywords
housing
crank assemblies
wedge
arbitrary
outer ring
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Pending
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CN 96192647
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Chinese (zh)
Inventor
乔纳森·菲利普斯
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Sarun Holdings Ltd
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Sarun Holdings Ltd
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Publication date
Application filed by Sarun Holdings Ltd filed Critical Sarun Holdings Ltd
Priority to CN 96192647 priority Critical patent/CN1179133A/en
Publication of CN1179133A publication Critical patent/CN1179133A/en
Pending legal-status Critical Current

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Abstract

The invention provides a crank assembly for a chain driven mechanism such as a bicycle. The crank assembly has at one end of a crank arm, a journal adapted for engagement with an axle. The axle has at its other end a connection. The one end of the crank arm has mounted thereon a housing via a sprag clutch, the housing having an extension to which, in use, an activation means such as a brake cable or cables is/are attached. The arrangement is such that during normal forward rotation the crank arm moves normally and the housing is stationary relative thereto, while during back or reverse movement of the crank arm the housing moves to activate the brake cable or cable means.

Description

The improved brakes of bicycle and other chain drive
Technical field
The present invention relates to a kind of improved brakes mechanism that is used for bicycle and other chain drive.
Background of the present invention
At present, most bicycle all has the brake that utilizes hand to control.These rim brakes comprise the control lever that is positioned on the handle grip for bicycle.These control lever are connected in all brake fixture blocks of the front and rear wheel of bicycle by all drag-lines.When using all brakes, the cyclist usually has to apply a bigger hand pressure obtaining the actv. braking effect, and he or she can only rely on the adjusting hand pressure to control forward and backward brake fixture block.This just makes that bicycle is difficult to be applied in some cases, especially crosses the situation in the area of those out of control high mountains of meeting and Uneven road.Continuous pushing can make finger, wrist and muscle feel pain, and this situation again can be under the effect of the air-flow that flows through both hands and further aggravation.Feel for successfully finishing the required relative hand pressure of brake gradually with regard to being difficult to like this.
Another problem of known braking mechanism is, for the brake of complexity situation is set, and need carry out various variations to described structure in the manufacturing shop usually.Use customised brake member and relevant structural requirement to limit the application scenario that wherein such braking mechanism can be used for the bicycle of new bicycle or the more structural development of needs.
A purpose of the present invention is to provide a kind of mechanism that can brake gradually, and the main pressure that wherein can make the brake of front/rear wheel or front and rear wheel is under the effect of cyclist's shank and realize.Thereby can reduce the needs of hand intensity, and can make both hands have bigger degree of freedom to move with control garage direction.
Another object of the present invention is to provide a kind of braking mechanism, it does not need to carry out more structure and/or mechanical improvements, and it can be installed on a kind of existing bicycle, and the improvement of being done is relatively for minimum.
Another object of the present invention is to provide a kind of improved type braking mechanism that is used for the chain drive such as bicycle, wherein said mechanism can provide braking action gradually selectively in the bicycle of following situation, promptly, in a bicycle, most of pressure of wheel braking is under the effect of cyclist's both legs and produce before or after making.So just reduced the needs of hand intensity, and can make both hands have bigger degree of freedom to move with control garage direction.
A further object of the present invention is to select for the customer provides a kind of useful replacement.
General introduction of the present invention
According to a first aspect of the invention, it provides a kind of crank assemblies of chain drive such as bicycle that is used for, described crank assemblies has one at an end of cranking arm and is suitable for and a pivot that matches (journal), described axle has a connection piece at its other end, a described end of cranking arm has one with a Wedge-type power-transfer clutch and housing mounted thereto, described housing has an extension, in use, described extension links to each other with one or two brake actuating devices, and be provided with normally forward in the rotation process, described axle and crank arm and normally to move, and described housing is fixed, and in crank arm reverse or upside-down motion, described housing can move to drive described actuating device.
In another embodiment, described upside-down motion of cranking arm can be selected, to drive described actuating device.
Described axle is the standard back bracket axle of a bicycle preferably.
Described attaching parts can have the pedal shaft of a bicycle pedal that is attached thereto.
Described actuating device can be a drag-line or two drag-lines that link to each other with the forward and backward rim brake of bicycle.
Described crank assemblies can carry out friction fit with the bicycle bottom bracket axle in a known way.
Described Wedge-type power-transfer clutch can be with an annulus being fixed and being cranked arm between an end and the housing and be formed in the described housing described, described sleeve has a series of cylindrical bearings and separates with described housing, one inside face of described housing contacts with the cylindrical bearing with arc-shaped cam face, step in the motion oppositely pedaling of reversing, all cylindrical bearings can move with the outside face with described sleeve on all camming surfaces and carry out friction fit, and the effect of described Wedge-type power-transfer clutch is provided thus.
In another embodiment, described housing adaptation contacts with all cylindrical bearings, thereby the inside face of described housing can be moved with respect to described housing.
In the above-described embodiments, described comformability preferably includes: described housing improves the fixing releasedly Wedge-type outer ring within it of shell body and by one and forms, and described Wedge-type outer ring has the arc-shaped cam face.
In the above-described embodiments, described Wedge-type outer ring preferably has one or more grooves, and these grooves are suitable for making a latching device to match with one of them groove movably, thus described Wedge-type outer ring are connected in described housing with fixed relationship.
Described latching device preferably includes a rotatable members, it is suitable for matching with at least one described groove in first scope that described rotating parts rotatablely moves, and can disengage with described groove in second scope that described rotating parts rotatablely moves.
Described rotating parts preferably includes one from removing the cylinder of a longitudinal component, and described part has a geometric configuration, therefore when described cylinder turns over its first that rotatablely moves, described cylinder is matched with described Wedge-type outer ring.
In another embodiment, described rotating parts can comprise a cylinder, a frustum, and perhaps one is suitable for being rotated the member with analogous shape that formula cooperates with described all grooves.
Described latching device is preferably handled with an arm or control lever, and described arm or control lever are to be driven by a drag-line or a similar actuating device that is connected in a conv.
Described latching device is the bias voltage formula preferably, thereby described Wedge-type outer ring can be fixed with respect to described housing.
In another embodiment, described locking member is the bias voltage formula, thereby described Wedge-type outer ring can be moved freely with respect to described housing,
Biased when locking described Wedge-type outer ring when described locking member, described locking member preferably discharges or cooperates with all brakes of manual drives.
All cylindrical bearings can be with being installed in a separator on the end of cranking arm, and with a circlip that it and all cylindrical bearings, sleeve and housing is fixing on the throne and be protected.
Others of the present invention will become more clear from the following description that only provides with example.
Brief description of drawings
Below in conjunction with all accompanying drawings, all examples of the present invention are described in detail, wherein:
Fig. 1 is the partial side view of a bicycle, and it has an improved brakes mechanism according to a preferred embodiment of the present invention;
Fig. 2 one is used for the lateral plan of the crank assemblies of braking mechanism of the present invention;
Fig. 3 is the cutaway view of crank assemblies shown in Figure 2;
Fig. 4 is the lateral plan of the housing parts of described crank assemblies, and it shows the arcuate shape of its curved cam surface, and is provided with all cylindrical bearings within it;
Fig. 5 is the lateral plan of a-quadrant among Fig. 1, and it shows the brake line regulating control fixing device that uses with described braking mechanism;
Fig. 6 is the back view of a-quadrant among Fig. 1, and it shows the described brake line regulating control fixing device shown in Fig. 5;
Fig. 7 one shows the lateral plan of the concrete structure of the connecting bridge between a bias voltage drag-line fixing device and described extension;
Fig. 8 is the lateral plan of the bias voltage drag-line fixing device shown in Fig. 7;
Fig. 9 is the front elevation of the safety pole that uses of the crank assemblies on a bicycle;
Figure 10 is the lateral plan of a sprocket hub that uses with the crank assemblies shown in Fig. 2 and Fig. 3;
Figure 11 is the C-C line longitudinal sectional view by sprocket hub shown in Figure 10;
Figure 12 one is suitable for being contained in the lateral plan of the power wheel hub in the described sprocket hub;
Figure 13 is the part sectional view by power wheel hub shown in Figure 12;
Figure 14 (a) and Figure 14 (b) are respectively a planar view and cutaway views that is used for key that described sprocket hub and power wheel hub are locked together;
Figure 15 (a) and Figure 15 (b) are respectively the front elevation and the lateral plan of a shim washer;
Figure 16 (a) and Figure 16 (b) are respectively the lateral plan and the front elevation of a stainless steel bolt;
Figure 17 (a) and Figure 17 (b) part is one to be used for controlling the lateral plan and the front elevation of the spring of the relative motion between described sprocket hub and the power wheel hub;
Figure 18 (a), 18 (b) and 18 (c) one have the lateral plan and the concrete component diagram of the improved type housing of a movable Wedge-type outer ring (sprag outer);
Figure 19 (a), 19 (b) and 19 (c) are respectively the cutaway view that passes described housing of A-A intercepting along the line and the concrete component diagram of described securing arrangement;
Figure 20 shows the lateral plan of a follow-on housing (housing).
Following all examples are described by the present invention being installed in a chain transmission type bicycle.Should be understood that, that described crank assemblies can use with other chain drive.For example, be used for controlling the motion of a forwarder or control a hydraulic brake system.
Fig. 2 and Fig. 3 show the crank assemblies that uses on bicycle shown in Figure 1.Its concrete structure has been shown in Fig. 4, Fig. 7 and Fig. 8 in addition.
Described crank assemblies comprises cranks arm 1, has one to be used for the standard pivot (standard journal) 3 that cooperates with the bottom bracket axle (not shown) of a bicycle 4 at one end 2 places.Described bracket axle normally has tapering, and has a square cross section at each end.A wherein end of described bracket axle can match with the hole, square-section 5 in described 1 one ends 2 of cranking arm.
1 the other end 6 of cranking arm has a modular connection 7 that a pedal 8 can be installed.Described modular connection can be one can connect the tapped bore 9 of a standard pedal assembly 8,
Described 1 the described end 2 of cranking arm has definite shape so that a sleeve (sleeve) 10 can be installed within it.One body skin 13 (outer housing) that described outer back-up ring 49 (Fig. 4) and all rollers 17 are installed in it is held in place by a partition (not shown), described partition is held in place by a circlip (circlip) (not shown) again, and described circlip is installed in a circlip groove that is positioned on 1 the end 2 of cranking arm.
The work that described sleeve 10 plays a free wheeling sprag clutch with described special housing 13 is in order to control a motion that is formed on the extension 14 on the described housing 13.Described extension 14 has the hole 15 that can match with a bias voltage drag-line fixing device 31 (Fig. 8).Described housing 13 is installed on the described sleeve 10 with a series of cylindrical bearings 17.In described example, ten cylindrical bearings 17 are arranged, they are positioned on the circumference of described sleeve 10 with the spacing that equates.Described housing 13, have some camming surfaces 19 with all bearing 17 contacted hardened inner surface 18, pedal to step on when oppositely (direction of arrow 20) and crank arm 1 the time, all cylindrical bearings 17 are tight against on described camming surface.At its normal forward facing position, described cranking arm 1 can freely be rotated with respect to described housing 13.Suitably lubricated is provided for described Wedge-type clutch bearing 17.
In use, oppositely pedaling of described bracket axle (not shown) stepped on sport described Wedge-type power-transfer clutch locked with respect to described bracket axle (not shown).Further counter motion makes housing 13 rotations, thereby can make tensile force act on all drag-lines 23 with arm 14 and bias voltage drag-line fixing device 31 and act on thus on all brake fixture blocks.If, also started all brake handles (brake levers) Fig. 1 this moment, for example the braking action with them puts on the front or rear fixture block, then can give another kind of braking action, to give front and back wheel bigger or less braking action.Because leg muscle can apply bigger strength, thus, strengthened the usefulness of brake.
In Fig. 5 and Fig. 6, show the brake line regulating control fixing device 25 that a usefulness clip gets on.Described fixing device can be with a connection piece (fitting) 26 and fixing on the throne, and described attaching parts is fixed in a seat tube support 28 in 27 places in the end.Described fixing device 25 has the hole 29 that two energy are installed two regulating controls 30 within it.
In Fig. 7 and Fig. 8, show a bias voltage drag-line fixing device 31 that is installed with a brake line 23.The end 33 that described fixing device 31 has a hole 32, one mounting rods 34 (Fig. 9) extends through described hole.Described bias voltage drag-line fixing device 31 also has one and is used for described fixing device 31 with respect to brake line 23 and fixing lock screw 35.Described safety pole 34 has shape as shown in the figure, and has a support arm 35 that carries out work in the following manner.
In Figure 10 to Figure 17, show and be used for a sprocket wheel (not shown) is installed on the required all parts of bottom bracket axle.
One sprocket wheel or one group of sprocket wheel are installed on (Figure 10 and Figure 11) on the sprocket hub 37.Described wheel hub 37 has a hole 38 and keyway 39, thereby can make a power wheel hub 40 (Figure 12 and Figure 13) location within it.When being installed in described wheel hub 40 in the described wheel hub 37, described wheel hub 40 can be done moving of a small amount of with respect to wheel hub 37, and a key 41 that is positioned at the slit 42 of described wheel hub 40 is mobile at the keyway 39 of described wheel hub 37.Described power wheel hub 40 comprises that one can be engaged in the square-section 43 on the described bottom bracket axle (not shown).Described wheel hub 40 has the hole 44 that can match with an end 45 of a spring 46 within it.The other end 47 of described spring 46 is engaged in the described hole 38.Described shim washer 48 can be installed between the circlip (not shown) that spring 46 and keeps together all parts.
Also the fabricated section that a usefulness clip gets on can be arranged on (Fig. 5 and Fig. 6) seat tube 21 and top tube 22 place of intersection mutually.This fabricated section comprises two regulating controls, and one is used for the single cable that Front brake and is used for back brake passes described regulating control.Described two regulating controls are the parts that manufacture as the annex standard vehicle frame, easy for installation.This will make applicant of the present invention can with the present invention as a kind of for existing bicycle adding set and introduce to the market, and do not need described brake system is installed in the mode of assembly, perhaps as the part of bicycle structure.Thereby, adopt when of the present invention, only need existing bicycle is done minimum adjustment.
In this example, described bias voltage drag-line fixing device 31 (Fig. 7 and Fig. 8) can identical shaped different accessories (fittings) replaces by having substantially.Described accessory has a hole 32 in a different position, to regulate the bias voltage degree between the forward and backward brake, to adapt to user's various needs.
When a cyclist restarts to pedal forward when stepping on bicycle, owing to before the surface 49 that is tight against described keyway 42 at key 41 locks, described pedal can be free to previous crops angular motion to a certain degree, therefore, the relative motion between described sprocket hub 37 (Figure 10) and the power wheel hub 40 (Figure 13) has guaranteed not have this moment a bit deadlock phenomenon.Described spring 46 plays a retracing spring, and absorbs the vibrations of this moment.
Thereby described safety pole 34 extends the root edge that makes arm 35 contact support elements 50.Even it has guaranteed the wedging of described Wedge-type power-transfer clutch, described extension 14 can be not locked yet.Described safety pole 34 has guaranteed that described extension 14 moves forward too far and locked never.
By the present invention described above as can be known, described motion (or oppositely pedal step on) backward can make described Wedge-type power-transfer clutch match with the sleeve 10 that is connected in described housing 13, described housing 13 is moved radially, thereby described brake line 23 (with described bias voltage fixing device 31) is passed through in a tensile force transmission.Should take as be advantage be that the customer can be in a kind of aforesaid scheme, and the user can assist a brake and a free gear oppositely to pedal to step on to make optional scheme between the action at pedal and chooses between the two.In the situation such as these, Wedge-type outer ring 49 shown in Figure 4 can be described housing 13 inner rotating freely, but it also can brake so that pedal to be provided by bike people's following locking of effect.
Another kind of structure has been shown in Figure 18 to Figure 20, and wherein follow-on Wedge-type outer ring 61 can rotate freely in a follow-on housing 60.All cylindrical bearings 17 are contained in 61 inside, described Wedge-type outer ring as described above like that, and with cam face 19 and mutual action, as described previously.
Described follow-on housing has a rotating latching device 66 (Figure 19 b, Figure 19 c and Figure 18).Described latching device 66 is that to remove the cylindrical pin of a longitudinal component 67 from it by one formed.This improvement has stayed a longitudinal cut along described latching device length direction (part 67 by the not hatch among Figure 18 illustrates), and it has a curved surfaces 70 that is suitable for admitting the outside face of described Wedge-type outer ring 61.
Now see also Figure 18, the described latching device shown in the figure is to be in locked position.As we can see from the figure, if described latching device 66 is to be rotated with the direction shown in the arrow 71, so, the longitudinal cut that stays with the longitudinal component of removing described cylindrical pin will make described Wedge-type outer ring through the described barrel portion that protrudes out in advance, and can rotate at described improved type housing 60 internal freedoms thus.If thereby described latching device 66 rotation makes described cylindrical remainder (dash area by latching device 66 illustrates) match with a groove 65 wherein, so, described Wedge-type outer ring will be locked with respect to described improved type housing 60.
Described latching device 66 is to operate with a control lever 63 that pivots around the axis of described cylinder 66.Described locked position is by shown in the arm shown in broken lines 62, and locked position is not illustrated by solid line, and described rotatablely moving illustrated by arrow 64.
In described reverse manner (carrying out work with a kind of aforesaid reverse pedal brake modes), described control lever 63 is bias voltage (by a coil type spring or analogues), thereby described latching device 66 is matched with described Wedge-type outer ring 61.Therefore, when because when rotating pedal backward and making all cylindrical bearings press described arc-shaped cam face 19, described housing 60 moves radially, thus the described brake line 27 of tensioning.
The user can make latching device 66 and described Wedge-type outer ring groove 65 disengage selectively, so that described Wedge-type outer ring 61 (when matching with the outside face of described sleeve) freely rotates.Should be understood that, can to improved type housing 60 suitably improve so that described latching device from wherein by or hold within it.It is in person skilled in the art's general knowledge that these improvement should be construed to, and does not therefore remake further discussion.Except the cylindrical member shown in Figure 18, Figure 19 and Figure 20, also has other rotatable members.These shapes can comprise cone-shaped component or other similar component.
Should recognize, other variation to be arranged, comprise and inserting in the groove in the described Wedge-type outer ring by described rotating cylindrical body 66 entrained pins one though figure 18 illustrates a kind of special Wedge-type outer ring structure.These variations all should be considered within protection scope of the present invention.But, be particularly suitable in the structure shown in Figure 18, Figure 19 and Figure 20, because it can provide a kind of firm and simple latching device.
The concrete structure of described control lever 62 has been shown in Figure 18 b, and the concrete structure of described cylindrical locking device 66 has been shown in Figure 19 b and Figure 19 c.In Figure 20, show the external view of described improved type housing.
Can make that the Wedge-type outer ring is maintained fixed with respect to improved type housing 60 or can radially rotates within it described locking/the locking effect can not drive with a drag-line, described drag-line can be to be independent of two rim brakes (Front brake) or to be attached thereto to connect.In another kind of embodiment, this reverse manner can make described Wedge-type outer ring rotate at improved type housing 60 internal freedoms, therefore, when the user drives two rim brakes, latching device 66 will automatically match with Wedge-type outer ring groove 65, thereby make and step on action once pedaling backward and can drive described braking mechanism, as indicated above.These variations should be considered within protection scope of the present invention, and any being construed to is that essential improvement also should be considered within one skilled in the art's general knowledge.
Therefore, the invention provides as mentioned above an embodiment, make pedal assist brake under user's effect, to disengage thus with multiple array mode.A kind of like this variation should be considered to a desired characteristics of this improved brakes assembly.
In another embodiment, the present invention can be used to be installed in hydraulic piston on the member 50 with a compression arm that at one end links to each other with member 14.In this way, can expect, utilize device of the present invention, can be easily a brake system of carrying out work with hydraulic way be controlled.
Therefore, the invention provides a kind of modified form bicycle brake device, it can give a cyclist bias voltage formula brake between forward and backward brake, thus fixture block or back fixture block or provide gradual braking action before providing by these two fixture blocks.
The present invention also helps to make the cyclist with hand pressure or pin pressure and drive forward and backward brake easily.
So far several object lessons of the present invention are described, what can estimate is to make all improvement and variations that does not deviate from the protection domain of appended claims to the present invention.
Industrial applicability
Brake gear of the present invention can be applied on the bicycle. Particularly suitable of the present invention is in the bigger brake of needs In the application of active force, such as mountain bike or offroad vehicle.

Claims (19)

1. one kind is used for the crank assemblies of chain drive such as bicycle, described crank assemblies has one at an end of cranking arm and is suitable for and a pivot that matches (journal), described axle has a connection piece at its other end, a described end of cranking arm has one with a Wedge-type power-transfer clutch and housing mounted thereto, described housing has an extension, in use, described extension links to each other with one or two brake actuating devices, and be provided with normally forward in the rotation process, described axle and crank arm and normally to move, and described housing is fixed, and in crank arm reverse or upside-down motion, described housing can move to drive described actuating device.
2. crank assemblies as claimed in claim 1 is characterized in that, described upside-down motion of cranking arm can be selected, to drive described actuating device.
3. the described crank assemblies of arbitrary as described above claim is characterized in that, described axle is the standard back bracket axle of a bicycle preferably.
4. the described crank assemblies of arbitrary as described above claim is characterized in that described attaching parts can have the pedal shaft of a bicycle pedal that is attached thereto.
5. the described crank assemblies of arbitrary as described above claim is characterized in that, described actuating device can be a drag-line or two drag-lines that link to each other with the forward and backward rim brake of bicycle.
6. the described crank assemblies of arbitrary as described above claim is characterized in that, described crank assemblies can carry out friction fit with the bicycle bottom bracket axle in a known way.
7. the described crank assemblies of arbitrary as described above claim, it is characterized in that, described Wedge-type power-transfer clutch can be with an annulus being fixed and being cranked arm between an end and the housing and be formed in the described housing described, described sleeve is borrowed a series of cylindrical bearings and is separated with described housing, the contacted inside face of described housing and cylindrical bearing has the arc-shaped cam face, oppositely pedal and step in the motion in reversing, all cylindrical bearings can move with the outside face with described sleeve on all camming surfaces and carry out friction fit, and the effect of described Wedge-type power-transfer clutch is provided thus.
8. the described crank assemblies of arbitrary as described above claim is characterized in that, described housing adaptation contacts with all cylindrical bearings, thereby the inside face of described housing can be moved with respect to described housing.
9. crank assemblies as claimed in claim 8 is characterized in that, described comformability comprises: improve the fixing releasedly Wedge-type outer ring within it of shell body and with one and form described housing, described Wedge-type outer ring has the arc-shaped cam face.
10. crank assemblies as claimed in claim 8 or 9, it is characterized in that, described Wedge-type outer ring has one or more grooves, and these grooves are suitable for making a latching device to match with one of them groove movably, thus described Wedge-type outer ring is connected in described housing with fixing relation.
11. crank assemblies as claimed in claim 10, it is characterized in that, described latching device comprises a rotatable members, it is suitable for matching with at least one described groove in first scope that described rotating parts rotatablely moves, and can disengage with described all grooves in second scope that described rotating parts rotatablely moves.
12. crank assemblies as claimed in claim 11, it is characterized in that, described rotating parts comprises one from removing the cylinder of a longitudinal component, described part has a geometric configuration, therefore when described cylinder turns over its first that rotatablely moves, described cylinder is matched with described Wedge-type outer ring.
13., it is characterized in that described rotating parts can comprise a cylinder, a frustum as claim 11 or 12 described crank assemblies, perhaps one is suitable for being rotated the member with analogous shape that formula cooperates with described all grooves.
14. as the described crank assemblies of arbitrary claim in the claim 10 to 13, it is characterized in that, described latching device is with an arm or control lever and handle, and described arm or control lever are to be driven by a drag-line or a similar actuating device that is connected in a conv.
15., it is characterized in that described latching device is the bias voltage formula as the described crank assemblies of arbitrary claim in the claim 10 to 14, thereby described Wedge-type outer ring can be connected in described housing with fixed relationship.
16., it is characterized in that described locking member is the bias voltage formula as the described crank assemblies of arbitrary claim in the claim 10 to 15, thereby can allow described Wedge-type outer ring to move freely with respect to described housing,
17., it is characterized in that biased when locking described Wedge-type outer ring when described locking member, described locking member discharges or cooperates with all brakes of manual drives as the described crank assemblies of arbitrary claim in the claim 10 to 16.
18. the described crank assemblies of arbitrary as described above claim is characterized in that, all cylindrical bearings are with a separator is installed on the end of cranking arm, and with a circlip with fixing on the throne being protected of it and all cylindrical bearings, sleeve and housing.
19. one kind roughly as described herein and consult the crank assemblies of all accompanying drawings.
CN 96192647 1995-03-17 1996-03-15 Improved brakes for bicycles and other chain driven mechanisms Pending CN1179133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96192647 CN1179133A (en) 1995-03-17 1996-03-15 Improved brakes for bicycles and other chain driven mechanisms

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ270742 1995-03-17
CN 96192647 CN1179133A (en) 1995-03-17 1996-03-15 Improved brakes for bicycles and other chain driven mechanisms

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CN1179133A true CN1179133A (en) 1998-04-15

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Application Number Title Priority Date Filing Date
CN 96192647 Pending CN1179133A (en) 1995-03-17 1996-03-15 Improved brakes for bicycles and other chain driven mechanisms

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102267529A (en) * 2010-05-06 2011-12-07 罗伯特·博世有限公司 Brake actuator for bicycle, pedal crank drive with brake actuator and method for generating a brake actuator movement for a bicycle
CN107150758A (en) * 2017-05-17 2017-09-12 何镜连 Rickshaw brake apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102267529A (en) * 2010-05-06 2011-12-07 罗伯特·博世有限公司 Brake actuator for bicycle, pedal crank drive with brake actuator and method for generating a brake actuator movement for a bicycle
CN102267529B (en) * 2010-05-06 2015-09-30 罗伯特·博世有限公司 The brake actuator of bicycle, pedal crank driving device and the method for generation of brake actuator motion
CN107150758A (en) * 2017-05-17 2017-09-12 何镜连 Rickshaw brake apparatus

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