Abstract: A tilting structure of a mobility device and the mobility device including same, may include a base frame; front wheel frames mounted on opposite front sides of the base frame and coupled to the base frame through front wheel shift gear portions extending in vertical directions; a tilting bar coupled to the base frame to be tiltable transversely with respect to a tilting center, with a first side of the tilting bar being branched and extending to opposite sides; and front wheel rotation gears engaged to opposite end portions of the tilting bar, respectively, to be rotated in the same direction that tilting bar is tilted, and engaged with the front wheel shift gear portions and rotated and thus moving the front wheel shift gear portions relative to each other in the vertical directions with respect to the base frame.

Abstract: The present disclosure is directed to a bicycle frame having a lug that is connected with a tube. The lug may be produced by shaping and bonding at least two plates.

Abstract: A bicycle frame structure that is manufactured by forming left and right panels and then bonding them in a pipe in/are configured to include a first fixing member fixed to the rear end portion of a chain stay and a hanger coupled to the first fixing member, being configured for rotating around a hinge pin, and having an axle slit formed in a predetermined direction.

Abstract: A mobility device includes a sidecar and a tilting vehicle including a two-wheeled bicycle, and may further include: an articulated link member including multiple link arms configured to link a vehicle body of the tilting vehicle and a body of the sidecar. In particular, linkage movements of the respective multiple link arms provide upward and downward movements, and leftward and rightward tiltings of the sidecar when a center of gravity of the vehicle body moves leftward and rightward.

Abstract: A semiconductor device may include an active fin, an element isolation film on a lower portion of the active fin and a gate structure crossing over the active fin. The gate structure may include first and second sides. The device may also include a source region and a drift region adjacent the first and second sides of the gate structure, respectively. The drift region may have a first impurity concentration. The device may further include a drain region that is in the drift region and may have a second impurity concentration higher than the first impurity concentration, a first trench that is in the drift region and may have a depth less than a height of the active fin, and an upper embedded insulating layer in the first trench. The gate structure may overlap a portion of the drift region and a portion of the first trench.

Abstract: A bicycle wheel includes a first panel member including a first rim portion for mounting a tire, a first hub mounting end connected to a hub, a first spoke portion for connecting the first rim portion and the first hub mounting end, a second panel member having a second rim portion for mounting the tire, a second hub mounting end connected to the hub, and a second spoke portion for connecting the second rim portion and the second hub mounting end, wherein the bicycle wheel is formed by joining the first panel member and the second panel member together such that the first panel member and the second panel member are symmetrical to each other about a line passing through the hub and the rim.

Abstract: The present disclosure provides a bicycle frame including: a main frame; a support bracket formed separately from the main frame and bonded to a lower end portion of the main frame, and a motor mounting having a motor mounting portion configured to mount a motor therein, wherein the motor mounting bracket is formed separately from the support bracket, and is bonded to the support bracket.

Abstract: A bicycle frame structure has a drop-out and includes: a fixing bracket having a rail groove formed in a frontward and rearward direction and fixed to one side of the frame; a movement member mounted to the fixing bracket to be movable forward and backward along the rail groove; a drop plate fixed to the movement member and having a drop-out formed therein for fixing a wheel; and an adjustment bolt screw-engaged by penetrating one side of the movement member. A front end of the adjustment bolt is supported by a fixing support formed in the fixing bracket. The movement member is moved along the rail groove according to rotation of the adjustment bolt.

Abstract: The present disclosure provides a system of air-conditioning a seat for a vehicle and a method for controlling the same. The system of air-conditioning a seat for a vehicle includes: a blower disposed below the seat of the vehicle and configured to blow air onto a body contact surface; a first temperature sensor configured to detect a temperature of a front end of a suction hole of the blower; a second temperature sensor configured to detect a temperature of the body contact surface; a third temperature sensor configured to detect a room temperature of the vehicle; and an HVAC control unit configured to control an air-conditioning system of the vehicle. The HVAC control unit determines a blow direction mode of the air-conditioning system of the vehicle based on the temperatures detected by the first, the second, and the third temperature sensors when the blower is actuated.

Abstract: A bicycle wheel includes a first panel member including a first rim portion for mounting a tire, a first hub mounting end connected to a hub, a first spoke portion for connecting the first rim portion and the first hub mounting end, a second panel member having a second rim portion for mounting the tire, a second hub mounting end connected to the hub, and a second spoke portion for connecting the second rim portion and the second hub mounting end, wherein the bicycle wheel is formed by joining the first panel member and the second panel member together such that the first panel member and the second panel member are symmetrical to each other about a line passing through the hub and the rim.

Abstract: Disclosed herein is a method of treating a composite piston pin, including: preparing the piston pin of which at least surface layer includes a composite material including a reinforcing fiber and a resin; improving roughness by processing the surface layer of the piston pin; and forming a coating layer on the surface layer processed to reduce a friction coefficient of the piston pin.

Abstract: Disclosed herein is a method of treating a composite piston pin, including: preparing the piston pin of which at least surface layer includes a composite material including a reinforcing fiber and a resin; improving roughness by processing the surface layer of the piston pin; and forming a coating layer on the surface layer processed to reduce a friction coefficient of the piston pin.

Abstract: A steering apparatus of a small mobility is provided. The steering apparatus is applied to one of a front wheel portion and a rear wheel portion connected to a body thereof. The apparatus includes a main link member that is connected to the body through a plurality of main link arms to move left and right casters in the forward and backward directions due to link movement of the main link arms when the body center of gravity is moved to the left and right directions. A sub link member is connected to the caster through a hub shaft when connected to the main link member through a plurality of sub link arms and changes a steering angle of the left and right casters moved by the main link member through link movement of the respective sub link arm.

Abstract: A semiconductor device includes a substrate, a stacked structure of insulating layers and gate electrodes alternately and repeatedly stacked on the substrate, and a pillar passing through the stacked-layer structure. The insulating layers include lower insulating layers, intermediate insulating layers disposed on the lower insulating layers, and upper insulating layers disposed on the intermediate insulating layers. The lower insulating layers have a hardness less than that of the intermediate insulating layers, and the upper insulating layers have a hardness greater than that of the intermediate insulating layers.

Abstract: A wheel mounting member having a damping structure may include a dropout in which an axle insertion groove is formed at one side of a lower portion thereof, wherein a guide slot may be formed in a predetermined direction at a predetermined distance from the axle insertion groove; a bracket in which a protrusion inserted into the guide slot is formed at a lateral surface thereof; and an elastic member that is inserted into the guide slot and elastically supports the protrusion, wherein the elastic member may absorb impact transmitted to the dropout.

Abstract: A one-side spot welding device includes a base which is formed in a cylindrical shape, a welding head and a welding tip. The base has a push rod operable in an upward and a downward direction with respect to the base and has a slide groove in an upper inner circumferential surface thereof. The welding head is installed at an upper side of the base so as to be slidable in a radial direction and equally divided in a circumferential direction so as to include a plurality of unit welding heads in close contact with one another. The unit welding heads are capable of being spaced apart from one another in the radial direction by the push rod. The welding tip is formed in a cylindrical shape so as to be configured at an outer circumference of the base, operates in an upward and a downward direction and is capable of applying welding electric current to the welding head.

Abstract: A hub unit has a brake disc and a hub body disposed to rotate with a rim on which a tire is mounted. An internal space is formed in the hub body, wherein the brake disc is fixed in the internal space. A fixed shaft is disposed and fixed along a rotation center shaft of the hub body. A brake shoe is coupled to the fixed shaft. A brake pad is disposed to contact the brake disc. A braking force applier supplies a braking force to the hub body wherein the brake pad and the brake disc are in contact with each other.

Abstract: An ESD protection device includes a substrate having an active fin extending in a first direction, a plurality of gate structures extending in a second direction at a given angle with respect to the first direction and partially covering the active fin, an epitaxial layer in a recess on a portion of the active fin between the gate structures, an impurity region under the epitaxial layer, and a contact plug contacting the epitaxial layer. A central portion of the impurity region is thicker than an edge portion of the impurity region, in the first direction. The contact plug lies over the central portion of the impurity region.

Abstract: The present disclosure is directed to a bicycle frame having a lug that is connected with a tube. The lug may be produced by shaping and bonding at least two plates.

Abstract: An ESD protection device includes a substrate having an active fin extending in a first direction, a plurality of gate structures extending in a second direction at a given angle with respect to the first direction and partially covering the active fin, an epitaxial layer in a recess on a portion of the active fin between the gate structures, an impurity region under the epitaxial layer, and a contact plug contacting the epitaxial layer. A central portion of the impurity region is thicker than an edge portion of the impurity region, in the first direction. The contact plug lies over the central portion of the impurity region.