Abstract: A bicycle front suspension system includes two cylinders on the front fork and each cylinder includes an outer tube and an inner tube which is movably received in the outer tube. A cap is rotatably connected to the inner tube and connected to a rod. A control cable is connected between the cap and a lever which is rotatably engaged in a collar on the handlebar of the bicycle. The lever is rotated to operate the control cable so as to rotate the cap and the rod. The rotation of the rod controls the communication between two chambers in the inner tube so that the hydraulic fluid is controlled to make the cylinder to be locked or operative.

Abstract: A brake cable assembly includes a cable movably received in a sheath and an outer tube is mounted to the sheath and has an aperture defined through a wall of the outer tube. A shoulder extends inward from an inner periphery of the outer tube. A lubrication sleeve is received in the outer tube and contacts an end surface of the shoulder. Lubrication liquid is dropped to the lubrication sleeve via the aperture. The cable extends through the lubrication sleeve so as to be lubricated during operation. A seal member seals the aperture.

Abstract: A cutting device includes a base and a slit is defined longitudinally in the top surface. A groove is defined transversely in the top surface of the base and communicates with the slit at an angle. A rod is connected between two lugs on the top surface of the base and a spring is mounted to the rod. A handle has a passage through which the rod extends. A blade is fixedly connected to an underside of the handle and movably inserted in the slit. A pipe or cable is put in the groove and cut by the blade by moving the handle.

Abstract: A bicycle brake assembly includes a support member having a support base and a rod extending from a first side of the support base so as to be connected to the brake arms of the brake mechanism. A first brake pad and a second brake pad are respectively connected on a second side of the support base. The first brake pad has a wedge-shaped end defined at a leading end thereof so as to avoid mud from being attached on the first brake pad, and a groove which is defined in the first brake pad in a radial direction of the rotation of a wheel. A plurality of recesses are defined in the second brake pad so as to absorb the noise when braking.

Abstract: A brake cable assembly includes a cable movably received in a sheath and an outer tube is mounted to the sheath and has an aperture defined through a wall of the outer tube. A shoulder extends inward from an inner periphery of the outer tube. A lubrication sleeve is received in the outer tube and contacts an end surface of the shoulder. Lubrication liquid is dropped to the lubrication sleeve via the aperture. The cable extends through the lubrication sleeve so as to be lubricated during operation. A seal member seals the aperture.

Abstract: A heat dispensing device includes a base with a protruding central ridge and two inclined top surfaces are respectively connected to two sides of the central ridge and slope outward from the protruding central ridge. A plurality of heat dispensing plates extend from each of the inclined top surfaces and a fan is located above heat dispensing plates. The air streams will bounce outward when striking the inclined surfaces and efficiently remove the heat out from the base and plates.

Abstract: A heat dispensing device includes a base with a protruding central ridge and two inclined top surfaces are respectively connected to two sides of the central ridge and slope outward from the protruding central ridge. A plurality of heat dispensing plates extend from each of the inclined top surfaces and a fan is located above heat dispensing plates. The air streams will bounce outward when striking the inclined surfaces and efficiently remove the heat out from the base and plates.

Abstract: A fixing frame of heat dispensing device for computers includes two notches defined through two opposite walls of the fixing frame and a retaining device extend from one of the two opposite walls. The fixing frame is mounted on the base with fins on the base and a fan is connected to a top of the fixing frame. A belt has a first end extends through the retaining device and a second end of the belt extending through the two notches and a slot defined between the fins. The first end of the belt is hooked with a hook on the board and the second end of the belt is engaged with another hook on the board.

Abstract: A rotary device for stunt bicycles includes a bearing set movably mounted to a steerer tube and having two upright lugs and two downward lugs. A first collar is pivotally connected to the upright lugs and a first lever member has one end thereof pivotally connected to the first collar, and the other end of the first lever member is connected to a first brake cable. A second collar is pivotally connected to the downward lugs. A second lever member has one end thereof pivotally connected to the second collar, and the other end of the second lever member is connected to a second brake cable.

Abstract: A rotary device for stunt bicycles includes a bearing set movably mounted to a steerer tube and having two upright lugs and two downward lugs. A first collar is pivotally connected to the upright lugs and a first lever member has one end thereof pivotally connected to the first collar, and the other end of the first lever member is connected to a first brake cable. A second collar is pivotally connected to the downward lugs. A second lever member has one end thereof pivotally connected to the second collar, and the other end of the second lever member is connected to a second brake cable.

Abstract: An actuator for a hydraulic brake system of bicycle includes a box having a chamber and a passage which communicates with the a chamber. Hydraulic oil is filled in the chamber and the passage. A piston is movably inserted into the a chamber and a brake cable is fixedly connected to the piston. The passage is connected with a brake mechanism so that when pulling a brake lever to pull the brake cable, the piston is moved to push the hydraulic oil to the passage to actuate the brake mechanism. A spring is biased between the piston and an inside defining the chamber if the box is connected to the brake lever. The piston will be back to its original position by the spring when releasing the brake lever.

Abstract: A brake device for a walker includes a box having a first rotatable member and second rotatable member rotatably received therein. Each of the first rotatable member and the second rotatable member has a brake cable connected thereto. The first rotatable member has first teeth on an outside thereof and a first curved slot is defined in the first rotatable member. The second rotatable member has second teeth on an outside thereof and a second curved slot is defined in the second rotatable member. The first teeth are engaged with the second teeth. Two operation cables each have an end movably retained in the first/second curved slot, and the other end of each operation cable is connected to respective one of two brake levers. Either one of the brake levers is pulled, the two brake cables are simultaneously actuated.

Abstract: A hydraulic brake system for a bicycle includes a body having two inlets respectively connected to two brake levers, and two outlets respectively connected to a front brake assembly and a rear brake assembly. A common groove is defined in the body and communicates with the two inlets and the two outlets by passages. Hydraulic oil filled in the common groove and the passages. An adjusting passage communicates with the common groove and a plug is movably received in the adjusting passage so as to be moved to adjust a communicating between the passages of the front brake assembly and the rear brake assembly.

Abstract: A brake caliper adjusting device includes a cam member fixedly received in the frame of the caliper and fixedly mounted to a shaft to which the frame of the caliper is mounted. A pushing member is pivotally received in the frame with the lower end engaged with the cam member. A supporting member is biasedly connected to the brake caliper and a brake pad is fixedly connected to the supporting member. One of two sides of the supporting member contacts the upper end of the pushing member. An adjusting member is rotatably mounted to the shaft. A biasing member has one end thereof received in the groove and the other end of the biasing member is connected to the caliper. A bolt extends through the adjusting member and is engaged with a threaded hole in the shaft so that the adjusting member can be rotated by rotating the bolt. The brake pad is adjusted when the adjusting member is rotated relative to the brake caliper.

Abstract: A brake caliper assembly includes a brake caliper pivotally mounted to a shaft extending from the front fork of a bicycle, a cam member fixedly received in the frame portion of the caliper and fixedly mounted to the shaft. A pushing member is pivotally received in the frame portion with the lower end engaged with the cam member. A supporting member is biasedly connected to the brake caliper and the brake pad is fixedly connected to the supporting member. The rear side of the supporting member contacts the upper end of the pushing member. A bolt threadedly extends through the bottom of the frame portion so as to contact the cam member so that when rotating the bolt the caliper is pivoted about the shaft and the supporting member is pushed and pivoted by the pushing member which is pivoted by the cam member.

Abstract: A brake device for a bicycle includes a control portion disposed to a front fork of the bicycle, the control portion having a bottom with a tubular element extending therefrom and a first piston received therein with a first resilient element disposed between the first piston and the bottom, hydraulic liquid received between the first piston and the bottom, two pipes respectively communicated with a space filled with hydraulic liquid and connected to a corresponding brake part disposed at the front fork, an actuating device slidably received in the control portion and operated by the brake cable so as to push the first piston toward the bottoms the brake part having a second piston received therein with a rod extending therefrom which has a brake pad disposed at a distal end thereof, a board received in the brake part and the rod extending therethrough, a second resilient element disposed between the second piston and the board such that when the brake cable is pulled to push the first piston to pressurize th

Abstract: A connector for engaging brake cables of a bicycle, the connector has a bore defined therein, a counter-bore defined therein and in communication with the bore, and a first hole transversely defined therein which is in communication with and perpendicular to the bore through which a bolt extends. A first brake cable and a second brake cable respectively extend from the connector and connect to a corresponding brake arm thereof, a third brake cable extending to connect a brake lever at a first end thereof and passing through a second hole defined in the bolt and extending through the first hole with a second end thereof, the bolt engaged to a nut via a spring and a washer so as to securely position the third brake cable such that the third brake cable is able to be adjusted by unscrewing the bolt and the first cable and the second brake cable exerting an equal force to the corresponding brake arms thereof when the connector is pulled upwardly by the third brake cable.

Abstract: A connector for engaging brake cables of a bicycle, the connector is composed of a first part and a second part, the first part has a first hole, a second hole and a bore defined therein, two passages defined in the first part and each of which located above the first hole and the second hole respectively, a tubular portion extending from the first part and defining a counter-bore therein in communication with the bore, the second part has a first recess, a second recess and a third hole defined therein, two protrusions extending therefrom and a groove defined therein between the first recess and the second recess and communicating with the third hole, the first part and the second part engaged together by extending the two protrusions through the two passages and a first cable and a second cable respectively received in the first recess, the first hole and the second recess, the second hole, a bolt having a hole defined therein for a third brake cable extending therethrough and the bolt threadedly engaged to