Mando Corporation

Chang Bok Ko

Jeong Rae Kim

Seung Hyup Bae

Jin Seok Kim

Young Jun Son

Il Yong Kim

Kangho Choi

Yu Don Jung

Sung Je Lee

Hong Ki Kim

Sung Wook Yu

Byung Ju Park

A bicycle kickstand may include a crank arm to mount a pedal to a bicycle frame, which has a slot formed in a longitudinal direction thereof, a pedal coupled perpendicular to the slot of the crank arm and configured to rotate in the longitudinal direction of the crank arm, a middle arm received in the slot of the crank arm and having both end portions which are respectively connected to the crank arm and the pedal in order to allow the pedal to be inclined with respect to the crank arm, and a safety pin configured to be inserted through the slot of the crank arm and the pedal in order to support the pedal in a perpendicular state or an inclined state with respect to the crank arm.

Bicycle kickstand

A booster assembly includes a booster provided at an engine room partitioned from a passenger compartment by a partition plate, a master cylinder disposed outwardly of a front side of the front cell, and fastening members to simultaneously mount the booster and master cylinder to the vehicle. Each fastening member includes a tube extending through the booster and having a front portion extending through a flange of the master cylinder, nuts fastened to respective front portions of the tubes, to fasten the master cylinder to the booster, through-bolts extending through respective tubes and the partition plate, to be mounted to the front portions of respective tubes, and a non-circular coupler formed at a rear portion of each tube, to prevent the tube from rotating when the corresponding nut is fastened to the tube. The rear cell is provided with a hole having a shape mating with the non-circular coupler.

Booster assembly for vehicle

Disclosed are a decelerator configured so that a planet gear type first deceleration unit is provided inside a cycloid type second deceleration unit to provide eccentric rotational force to the second deceleration unit and a motor brake with the same. In the decelerator, the increase in axial thickness of a motor is restrained, and a deceleration ratio is effectively increased. In the motor brake with the decelerator, the deceleration ratio of the motor is increased, and the increase in total length of the motor brake is restrained by the decelerator, thereby improving space utilization.

Decelerator and motor brake with the same

An electric bicycle configured to generate electricity by pedals thereof, the electric bicycle includes a front frame provided with a front wheel and a handle; a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel; a pedal housing provided at the a front frame provided with a front wheel and a handle, a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel, a pedal housing provided at the center frame, a pedal shaft provided with the pedals at both end portions thereof while passing through the pedal housing, an accelerating unit allowing the pedal shaft to pass therethrough and provided with an input side directly connected to the pedal shaft to increase rotational speed, and a generating unit allowing the pedal shaft to pass therethrough and directly connected to an output side of the accelerating unit.

Electric bicycle

Frame for a bicycle

A brake actuator unit capable of improving the pedal feeling. The brake actuator unit includes a housing, a master cylinder connected to one end of the housing and provided therein with first and second pistons arranged in parallel to each other, an operating fluid reservoir coupled to an upper portion of the master cylinder to store operating fluid, a simulator accommodated in the master cylinder to provide repulsive force to a pedal, an input shaft moving back and forth according to an operation of the pedal, a control plunger slidably moving back and forth together with the input shaft, first and second output shafts positioned corresponding to first and second pistons to move back and forth together with the control plunger, and a pedal displacement sensor connected to the input shaft.

Brake actuator unit

Disclosed is a motor driven type electric parking brake system. The parking brake system includes a drum that is rotated along with a wheel, first and second brake shoes installed in the drum to apply brake force to the drum, an operating lever that supports the two brake shoes and pushes the two brake shoes against an inner surface of the drum when a pivoting lever is pulled, a motor to generate drive power to drive the pivoting lever, a cycloid speed reducer connected to a rotating shaft of the motor to amplify the drive power, a spindle member rotatably connected to the speed reducer and having a male screw portion, and a nut member having a female screw portion reciprocally screwed to the male screw portion. The nut member is moved in a longitudinal direction of the spindle member and supports an end of the pivoting lever.

Electric parking brake system

Disclosed herein is an electronic parking brake which is installed in a vehicle and is operated by a motor. The electronic parking brake having a drum rotating together with a wheel and first and second brake shoes includes a motor rotated in normal and reverse directions and generating driving force for braking, a cycloid reducer connected to a rotary shaft of the motor and amplifying the driving force generated from the motor, a spindle member connected to the cycloid reducer and rotated, a spur gear assembly rotated by rotary force transmitted from the spindle member, a piston rotated and provided with the outer circumferential surface on which one gear of the spur gear assembly is integrally formed, and a push rod unit installed at both ends of the piston in the longitudinal direction, rectilinearly moved according to rotation of the piston and supported by the first and second brake shoes.

Electronic parking brake

An electric bicycle having an enhanced fixing structure of an electronic control unit, the electrical bicycle having an electronic control unit built in an a center frame along with a generator in a state of the electronic control unit is directly fixed at an upper portion of the generator, the electronic control unit is effectively be protected, as the fixing structure of the electronic control unit is simplified.

Disclosed herein are a decelerator in which a first deceleration unit of a planet gear type is provided inside a second deceleration unit of a cycloid type so as to apply eccentric rotation force to the second deceleration unit, and a motor brake with the same. The decelerator restricts an increase in the axial thickness of a motor and achieves an effectively increased deceleration ratio, and the motor brake equipped with the decelerator restricts an increase of the overall length thereof due to the decelerator, achieving enhanced space utility.

A folding type bicycle is disclosed. The disclosed folding type bicycle includes a front frame provided with a front wheel and a handle, a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel, a hinge device to enable the front frame, the center frame and the rear frame to pivot about one another, to be foldable with respect to one another, the hinge device comprising a front hinge member provided at the front frame, a center hinge member provided at the center frame, and a rear hinge member provided at the rear frame, a hinge shaft centrally provided at the hinge device, a front rim provided at the front hinge member, a center rim provided at the center hinge member and a rear rim provided at the rear hinge member, and rolling members to enable rolling-contact among the front, center and rear rims.

Folding type bicycle

A folding type bicycle including a front frame provided with a front wheel and a handle, a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel, and a hinge device to enable the front frame, the center frame and the rear frame to pivot about one another, to be foldable with respect to one another, wherein the hinge device comprises a hinge shaft configured to rotatably connect the front frame, the center frame and the rear from to one another at a central portion of the hinge shaft, an operating lever provided at an end portion of the hinge shaft, and a locking pin member provided while being spaced apart from the hinge shaft to fix an unfolded state of the front frame, the center frame and the rear frame in accordance with pivoting of the operating lever.

Disclosed is a hydraulic active booster capable of easily adjusting the structure of a simulator. The simulator of the hydraulic active booster includes a simulator housing having a first receiving part for receiving a control plunger, a second receiving part for receiving a part of a first piston into which the control plunger is inserted, and a third receiving part for receiving a simulator piston. The third receiving part is separated from the first and second receiving parts.

Hydraulic active booster

A folding type bicycle including a front frame provided with a front wheel and a handle, a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel, a hinge device to enable the front frame, the center frame and the rear frame to pivot about one another, to be foldable with respect to one another, the hinge device comprising a front hinge member provided at the front frame, a center hinge member provided at the center frame, and a rear hinge member provided at the rear frame, and a hinge shaft configured to support a front hub, which is provided at a center of the front hinge member, a center hub, which is provided at a center of the center hinge member, and a rear hub, which is provided at a center of the rear hinge member, the hinge shaft passing through the front hub, the center hub and the rear hub, wherein the hinge shaft enables the supporting on at least two positions that are spaced apart from each other in a longitudinal direction of the hinge shaft.

Growing community of inventors

Namyangju-si, South Korea

Chang Bok Ko