Patent application number | Description | Published |
20080250893 | Two-piece coupling for a bicycle hydraulic disc brake - A coupling for a bicycle hydraulic disc brake including a brake cable having a hollow end section having a tapered, ridged inner surface is disclosed. The coupling includes a hollow cylinder including a lower member, a tapered, staged upper member, an intermediate annular flange, and a sealing ring put on the lower member to urge against the flange wherein the end section lockingly receives the upper member by engaging the ridges thereof with the stages of the upper member and engaging a bottom end thereof with the flange; and a sleeve rotatably put on a brake lever and including a cylindrical receptacle on the sleeve, the receptacle including inner annular grooves and a bottom tunnel communicating with the channel. The cylinder and the brake cable are secured to the sleeve by inserting the flange and the end section into the receptacle with the lower member disposed in the tunnel. | 10-16-2008 |
20090152061 | Adjustable pumping device for a hydraulic brake device of a bicycle - An adjustable pumping device for a hydraulic brake device of a bicycle includes a body mounted to a handlebar of the bicycle and having a first tunnel defined therein for containing oil. A main cylinder is disposed in the body and pumps oil to the hydraulic brake device of the bicycle. A lever is pivotally mounted to the body and has an adjuster mounted in the lever for adjusting an ineffective stroke of the main cylinder. | 06-18-2009 |
20090152062 | Position seat for a hydraulic brake device of a bicycle - A position seat for a hydraulic brake device of a bicycle includes a position member mounted to a handlebar of the bicycle and a pumping member partially received in the position member. The pumping member is selectively rotatable relative to the position member. A semi-annular groove is defined in an outer periphery of the pumping member and a locking pin extends through the position member and partially received in the semi-annular groove to prevent the pumping member from detaching from the position portion before being positioned and limit a rotate range of the pumping member relative to the position member. | 06-18-2009 |
20090152063 | Pumping device for a hydraulic brake of a bicycle - A pumping device for a brake device of a bicycle includes a tunnel and a main cylinder directly and respectively disposed in a distal portion of a handlebar of the bicycle. The tunnel is provided to contain oil and the main cylinder is connected to the brake device. The tunnel and the main cylinder communicate with each other via a first hole and a second hole that are respectively defined in the distal portion of the handlebar of the bicycle. A pair of ears extends from a distal end of the handlebar and a lever pivotally connected to the pair of the ears for operating the main cylinder. | 06-18-2009 |
20090193927 | Locking device of a bicycle brake cable - A locking device of a bicycle brake cable includes a locking portion including a through hole defined therein. The locking portion has a hole and a threaded hole defined therein and communicating with the through hole, wherein the threaded hole extends to an outer periphery of the locking portion. A clamping device is mounted in the locking portion. The clamping device includes a first clamping block, a second clamping block and a drive piece. The first clamping block is partially and securely received in the hole and extending into the through hole. The second clamping block is and pivotally mounted to the drive piece and faces the first clamping block, the drive piece having a threaded outer periphery and screwed into the threaded hole with the second clamping block, the drive piece drives the second clamping block moved toward the first clamping block for securely clamping the brake cable. | 08-06-2009 |
20090194374 | Quick-release device of a bicycle brake cable - A quick-release device of a bicycle brake cable includes a brake arm mounted on a frame of the bicycle, a guider selectively slidably mounted on a free end of the brake arm and a safe lever pivotally mounted in the brake arm. The brake arm includes a groove defined along an axis thereof. The guider is hollow to allow the brake cable extending therethrough. The safe lever includes a pivot point that divides the safe lever into a press portion and a stop portion extending toward the guider to prevent the guider from an accidental operation due to an improper force. | 08-06-2009 |
20090200119 | Quick-release device of a bicycle brake cable - A quick-release device of a bicycle brake cable includes a main frame mounted to a handlebar of the bicycle, a lever pivotally mounted to the main frame and a push device mounted in the main frame to normally push the lever for selective changing the position between the lever and the push device and the tension of the brake cable. | 08-13-2009 |
20090250299 | Brake pad holder with arrangement for fine adjustment of a distance between brake pad and wheel rim - A bicycle brake pad holder includes a hollow fastening rod comprising a head, a concave surface on the head, and an annular flange on the concave surface; a brake pad mount including a slotted channel, a convex receptor opposite the channel, a hole through the convex receptor, and a nut disposed in the hole, the nut having a projection projecting out of the hole; a brake pad removably mounted on the channel; and a bolt driven into the fastening rod to secure to the nut with the receptor urged against the concave surface and the flange put on the projection. Loosening the bolt will disengage the receptor from the concave surface to allow the receptor to move vertically and transversely relative to the flange. Hence, a fine adjustment of a distance between the brake pad and a wheel rim is effected. | 10-08-2009 |
20100051394 | Bicycle brake system for preventing a front wheel from being braked alone - In on embodiment, a brake system of bicycle including left and right brake levers, front and rear wheels, a front disc brake, and a rear disc brake having a first unit and an independent second unit, the brake system includes a hydraulic line interconnected the right brake lever and the first unit; and a Y-shaped hydraulic line having a first branch connected to the left brake lever, a second branch connected to the front disc brake, and a third branch connected to the second unit. Pressing the right brake lever will actuate the first unit via the hydraulic line to brake the rear wheel, and pressing the left brake lever will actuate the front disc brake via the first and second branches to brake the front wheel and actuate the second unit via the first and third branches to brake the rear wheel respectively. | 03-04-2010 |
20100236350 | Brake operating device with magnetic brake sensitivity adjustment arrangement for bicycles - A brake operating device for bicycles includes a hydraulic fluid cylinder secured to a housing, a parallel cylindrical member on the cylinder and comprising a hollow threaded fastener at one end, a rod in a right portion of the cylinder and having one end connected to a brake lever; a spring biased magnet in the right portion of the cylinder; a plunger interconnecting the magnet and the rod; a spring biased conductor in the cylindrical member and urged by the fastener; and an electric wire interconnecting the conductor and a connector which is connected to a brake lamp. For decreasing a turn-on time of the brake lamp a loosening of the fastener will push the conductor away from the brake lever to decrease a current generated on the conductor due to a movement of the conductor relative to the magnet. Tightening of the fastener can increase the turn-on time. | 09-23-2010 |
20100236469 | BICYCLE BELL IN THE VICINITY OF BRAKE LEVER - A bicycle bell includes a housing mounted on a handlebar and comprising a channel and an upward extending flange partially surrounding a top of the channel; a guide member secured to the housing; a drum secured to and covered the guide member; and a spring biased striking device mounted on the channel and comprising a bell lever and an opposite clapper extending through the flange to contact the guide member. Pivoting the bell lever about the channel will pivotably move the clapper to strike a first position on the drum after passing the guide member. Releasing the bell lever will return the clapper to its inoperative position after passing the guide member and striking an opposite second position on the drum. The bell is easy to manipulate with the same hand squeezing the brake lever. | 09-23-2010 |
20100236874 | Mechanism for quickly loosening and tightening brake cable in caliper brake of bicycle - A bicycle caliper brake includes a cable housing at an upper end of a first arm; a pivotal second arm comprising a coupling member at one end and a stepped groove on a bottom edge of the coupling member; a brake cable loosening and tightening device comprising a first unit, a second unit for pivotably securing the device to the coupling member, and a hole; a cable fastener secured to the first unit; a brake cable passing the cable housing to be fastened at the cable fastener; and a spring depressible trigger pin comprising a C-ring at one end, the trigger pin being driven through the groove and the hole to releasably secure the C-ring to the hole. Pressing the trigger pin will unfasten the C-ring and pivoting the device about the second unit will loosen the brake cable and increase a distance between brake pads at arms' ends. | 09-23-2010 |
20100270111 | Mechanism for quickly adjusting tightness of brake cable in caliper brake of bicycle - A caliper brake of bicycle includes a yoke at one end of a second arm, the yoke comprising two yoke arms having a hole, and a spring depressible detent at one end; and a mechanism comprising a manipulation member disposed between the yoke arms and comprising a C-shaped element including outer teeth and an inner protrusion, and a handle; a brake cable retaining member; a cylinder secured to the brake cable retaining member and comprising outer recesses and an eccentric tunnel. The protrusion is engaged with one recess. The cylindrical member is fitted in the tunnel. The detent is urged against one tooth. A brake cable is held tight. In response to counterclockwise rotating the handle the tunnel moves upward and both the detent moves to another tooth and the protrusion moves to another recess so as to loosen the brake cable. | 10-28-2010 |
20110079998 | Coupling for hydraulic disc brake of bicycle - A coupling for bicycle hydraulic disc brake includes, in combination a housing comprising a stepped-diameter channel having a threaded opening, and a hollow, staged cylindrical member having an inner end disposed at an innermost shoulder of the channel; a hollow cylindrical element formed of metal and comprising an annular groove on an outer surface, and two annular shoulders with the groove formed therebetween wherein the cylindrical element has an inner end disposed at a shoulder adjacent to the innermost shoulder of the channel; a hollow adjustment screw adapted to secure to the threaded opening; and a brake fluid tube slidably disposed through the adjustment screw and the cylindrical element. Driving the adjustment screw will compress the cylindrical element with the groove being completely compressed by the shoulders, the channel being not compressed by the cylindrical element, and the tube being in contact with the cylindrical element. | 04-07-2011 |
20110127119 | Ratchet mechanism for quickly adjusting tightness of brake cable in a caliper brake of bicycle - A caliper brake of a bicycle includes a first arm; a cable housing disposed at one end of the first arm; a second arm pivotably secured to the first arm and comprising a yoke at one end, the yoke including two opposite yoke arms; a brake cable retaining member for retaining a brake cable passing the cable housing; a pawl pivotably disposed between the yoke arms and secured to the brake cable retaining member, the pawl including a tooth; and a spring depressible ratchet including a hook at one end, the ratchet being pivotably disposed between the yoke arms to have the hook to engage with the tooth so that the ratchet is held against rotation to hold the brake cable tight. Counterclockwise rotating the ratchet to disengage the hook from the tooth and clockwise rotating the pawl will loosen the brake cable. | 06-02-2011 |
20110167949 | Moveable brake lever for bicycle - A brake operating device for a bicycle comprising a housing on a handlebar, the housing comprising a recess on a mouth; a spring biased brake lever rotatably mounted on the housing; a brake cable having one end connected to a cable connector of the brake lever; and a spring biased stop member pivotably sitting upon the brake lever to urge against the recess. Pressing the stop member to disengage the stop member from the recess and counterclockwise pivoting the brake lever will loosen the brake cable. Thereafter, a tire replacement is made easy. | 07-14-2011 |
20110290063 | Brake lever with a mechanism for quickly loosening brake cable of racing bicycle - A brake apparatus for a racing bicycle includes a housing mounted on either handlebar and comprising an internal recess; a brake lever pivotably secured to the housing and having one end pivotably disposed in the recess; a spring depressible detent rod slidably disposed in the brake lever and comprising a head on an outer surface the brake lever, an annular flange, and an annular groove between the flange and the head; a brake cable having one end attached to the brake lever and the other end attached to a brake; and a locking member having one end urged against the flange. Pushing the head to cause one end the locking member to fall into the groove and cause one end of the brake lever to fall into the recess will loosen the brake cable. | 12-01-2011 |
20110290594 | Bicycle brake with a mechanism for quickly loosening brake cable - A brake apparatus for a bicycle includes a finger member; a first am comprising a cable adjuster with a brake cable securely passing through, and a first brake pad; a first pivot for pivotably securing the first arm and one end of the finger member to a frame of the bicycle; a pivot member pivotably secured to the other end of the finger member and comprising a second brake pad and a bifurcation; a second arm having an extension proximate to one end and the other end secured to one end of the brake cable; a second pivot for pivotably securing the bifurcation and one end of the second arm and together; a spring depressible cam lever pivotably mounted in the bifurcation, the cam lever being pressed by the extending end of the second arm and comprising an actuation projection; and a fastener adjacent the cam lever. | 12-01-2011 |
20120199432 | Brake transmission mechanism in a brake lever of bicycle - A brake operating device for bicycle is provided a housing mounted on a handlebar and including a channel; a hydraulic brake lever pivotably secured to the housing and including an push member at one end, the push member including a cavity; a brake transmission mechanism disposed in the channel and comprising a stepped-diameter piston including an annular first groove distal the cavity, an annular second groove proximate the cavity, an intermediate groove, a resilient ring member put on the first groove, a return spring biasing against one end of the piston, an O-ring sealingly put on the second groove, and a flat surface at the other end facing the cavity; and an actuating member rotatably contacting both the cavity and the flat surface. | 08-09-2012 |
20120240713 | BRAKING HANDLEBAR FOR BICYCLE - A braking handlebar for a bicycle includes a combining device, one end thereof being axially mounted to a handle; a braking handlebar, having a pressing section, a pivoting section and an accommodating section, wherein the pivoting section is pivotally connected to one end of the combining device opposite to the handle, and the accommodating section is in parallel to an axial direction of the handle; and a screw adjusting element, movable mounted to the accommodating section of the braking handlebar and connected to one end of a braking cable; wherein the braking cable is loosened or tightened by using the screw adjusting element. Since the screw adjusting element offers the function of being able to rotate, the braking cable can be prevented from being bent excessively, further from generating friction which may results in brake failure. | 09-27-2012 |
20120240715 | BRAKING DEVICE WITH HIDDEN HYDRAULIC CYLINDER - A braking device with a hidden hydraulic cylinder has a hydraulic cylinder hidden inside a body of the braking device and further protected by a casing made of plastics, rubber or light alloy. Thereby, the space can be saved and any leakage due to unexpected collision. A tube is mounted to the hydraulic cylinder at any angle, preventing any wear or breaks due to frequent use. Therefore, the braking device of this invention is particularly suitable to the road bicycle. | 09-27-2012 |
20120241261 | SEMI-HYDRAULIC BAKE FOR BICYCLE - A semi-hydraulic brake has at least one braking cable and one connection rod; at least one pushing rod, at least one piston, at least one elastic element and at least one tube; and a set of main pistons, a set of brake pads and a disc. When the braking handlebar pulls the braking cable, the connection rod is driven to move toward the braking cable; the pushing rod is driven by the connection rod and meanwhile to push the piston and come to compress the elastic element. The braking liquid inside the hydraulic cylinder is pushed toward respective main pistons of the braking unit through the tube so that the respective main pistons move toward the disc. The respective brake pads simultaneously move toward the disc. Thereby, the braking effect over a front wheel and a rear wheel can be achieved by using a single hydraulic cylinder. | 09-27-2012 |
20120242471 | WIRELESS-CONTROL LIGHTING DEVICE - A wireless-control lighting device includes a control switch module mounted on a braking handle set, and a lighting displaying unit mounted on a bicycle and having a wireless receiver, a plurality of indicators and a second power supply. The control switch module includes a switch element, a circuit board, a wireless superconductor IC and a first power supply. The switch element and the wireless superconductor IC are electrically connected to the circuit board. The first power supply provides power to the circuit board and the wireless super conductor. When the switch element is working, and the wireless superconductor IC emits an actuating signal. The wireless receiver, the indicators and the second power supply are electrically connected to one another. The second power supply provides power to the wireless receiver and the indicators. The wireless receiver receives the actuating signal which accordingly actuates the operation of the indicators. Thereby the multiple wireless control operation can be achieved. | 09-27-2012 |
20130199877 | Cantilever brake with quick release mechanism - A cantilever brake of bicycle is provided with a triangular cable stop including first, second and third corner attachments and a wheel between the first and second corner attachments; a first pivot member including a first trough; a first cable passing through the first corner attachment, the wheel, and the second corner attachment to be fastened at the first pivot; a second pivot member including a second trough; a second cable having one end fastened in the third corner attachment and the other end fastened in the second pivot member; a first brake arm releasably pivotably secured to the first trough and including two opposite first projections and a spring actuated first adjustment knob distal the first projections; and a second brake arm releasably pivotably secured to the second trough and including two opposite second projections and a spring actuated second adjustment knob distal the second projections. | 08-08-2013 |
20130199882 | Pivot mechanism in a brake lever of bicycle for ensuring a reliable actuation of brake - A bicycle brake operating device is provided with a housing on a handlebar and including a channel, first and second holes, a fluid reservoir, and a reservoir cover on the fluid reservoir; a brake transmission mechanism in the channel; a hydraulic brake lever including a stepped-diameter tunnel and a push member engaging the spring actuated mechanism; and a pivot assembly including a first retaining member including a sleeve disposed in the first hole and having one end engaging the reservoir cover, and an annular flange at the other end of the sleeve and engaging an inner surface of the tunnel; a second retaining member including a cup in the second hole and having a bottom through hole, and an annular flange around mouth of the cup, the flange engaging the inner surface of the tunnel; and a cylindrical pivot in the first and second retaining members and the tunnel. | 08-08-2013 |
20130200614 | Device for pivotably connecting hydraulic line to hydraulic brake of bicycle - A device for pivotably connecting a hydraulic line to a hydraulic brake of bicycle is provided an adapter including a connector coupled to the hydraulic line, and a hollow cylinder at one end of the connector, the cylinder including a tunnel and two shoulders each at a joining portion of either end of the tunnel and adjacent end of the cylinder, a first sealing ring at one shoulder, and a second sealing ring at the other shoulder; and a stepped-diameter threaded fastener including a head, a threaded shank distal the head, and a bare cylindrical section between the head and the threaded shank, the threaded fastener driven through the tunnel into the hydraulic brake to fasten the threaded fastener, the adapter, the first sealing ring, and the second sealing ring together. The adapter can either counterclockwise or clockwise pivot a predetermined angle about the threaded fastener. | 08-08-2013 |
20130228405 | BRAKE OPERATING DEVICE OF ELECTRIC BICYCLE WITH HALL-EFFECT SENSOR - A brake operating device of an electric bicycle is provided with a brake lever; a housing comprising a pivot portion pivotably secured to the brake lever, a hydraulic cylinder, a piston disposed in the hydraulic cylinder and having one end connected to the brake lever, a spring depressible magnet disposed in the hydraulic cylinder and having one end adhered to the other end of the piston, and a cylindrical socket adjacent to and parallel to the hydraulic cylinder; a spring depressible Hall-effect sensor disposed in the socket and including a Hall IC; a hollow fastener adjustably threadedly secured to an opening of the socket and engaging the Hall-effect sensor; and a control line inserted through the fastener to electrically connect to the Hall IC. | 09-05-2013 |
20130228406 | Brake operating device of electric bicycle with sensor - A brake operating device of an electric bicycle is provided with a brake lever including a projecting plate at one end, and a bifurcated cable anchoring member pivotably secured to the projecting plate; a magnetic member adhered to one side of the cable anchoring member; a housing pivotably secured to the brake lever and including a hydraulic cylinder and a cylindrical socket including an opening distal the brake lever, and internal threads proximate the opening; a spring depressible sensor including a sensing member disposed in the socket, and an electric wire extending from the sensing member; a hollow threaded fastener adjustably threadedly secured to the internal threads of the socket to engage the sensing member; and a cylindrical member releasably mounted proximate to the opening and secured to the fastener. The electric wire passes the fastener and leaves the housing. | 09-05-2013 |
20130270315 | Adaptable bottle cage for a bicycle - An adaptable bottle cage attachable to a frame tube of a bicycle is provided with a clip including a hanging plate and two parallel latching arms; a bracket including an upper aperture, a lower aperture, and two intermediate studs releasably secured to the hanging plate; a support integrally formed with a bottom end of the bracket; a first curved strut having a bottom end integrally formed with one end of the support distal the bracket and a top end integrally formed with one of two sides of the bracket; and a second curved strut having a bottom end integrally formed with one end of the support distal the bracket and a top end integrally formed with the other side of the bracket. The bottle cage can hold one of different water bottles with various sizes in position. | 10-17-2013 |
20140041175 | Hydraulic hose cutting device - A cutting device includes a first part and a second part which is pivotably connected to the first part. A first fixing portion is located in the top side of the first part. The second part has a second fixing portion defined in the underside side thereof and facing the top side of the first part. The second fixing portion is located corresponding to the first fixing portion. A reception slot is defined axially in the second part and communicates with the second fixing portion and the underside of the second part. A blade is inserted into the reception slot. A hole is defined through the first part for receiving a hydraulic hose. A pressing member is pivotably located in a recess in one side of the first part and is able to press the hydraulic hose passing through the hole and the recess. | 02-13-2014 |
20140041969 | Bicycle brake unit - A bicycle brake unit includes a first arm, a second arm and a connector, when the brake cable is pulled, the first and second cable connectors on the two arms are moved toward each other to pivot the first and second arms. The first rail on the first arm and the second rail on the second arm are moved relative to each other via the rotation of the pivot. The pivot is movable in the elongate slot in the connector which is pivotably connected to the first and second arms. The first and second arms are pivoted toward each other to brake the wheel by the brake pads on the two arms. The first and second arms apply even forces to the two brake pads. | 02-13-2014 |
20140124305 | CONTROL-BY-WIRE HYDRAULIC BRAKE STRUCTURE OF BICYCLE - The present invention relates to a control-by-wire hydraulic brake structure of bicycle, which includes a caliper portion that is coupled to two brake shoes that are opposite to and spaced from each other; and a transmission portion, which has an end connected to the caliper portion to control the operation of the two brake shoes of the caliper portion and includes a fluid reservoir, a piston, and a transmission arm. The piston is movably received in the fluid reservoir. The transmission arm has an end pivotally connected to an end of the fluid reservoir that is distant from the caliper portion. The piston has an end that is connected to a predetermined location between two ends of the transmission arm. The transmission arm has an end that is distant from the pivotal connection with the fluid reservoir and is operatively coupled to a brake wire. | 05-08-2014 |
20140230598 | Brake adapter - A brake adapter for a bicycle brake is provided with a bent, rigid tube including a plurality of transverse holes communicating with interior of the bent, rigid tube; and a plurality of rollers rotatably disposed in the transverse holes respectively. Both ends of each transverse hole are smaller than both ends of each roller respectively. | 08-21-2014 |