Abstract: A front two-wheel leaning vehicle, including a handle, a steering shaft, a linkage mechanism and a load transfer mechanism. The load transfer mechanism includes a left-foot-placing part and a right-foot-placing part located between the left front wheel and the rear wheel, for left and right feet of the driver to be respectively placed thereon. The load transfer mechanism transfers a load to the left and right portions of the linkage mechanism through the left-foot-placing part and the right-foot-placing part, or through the right-foot-placing part and the left-foot-placing part, respectively. The steering shaft includes a handle adjusting mechanism configured to adjust, with respect to the left-foot-placing part and the right-foot-placing part, at least one of a handle height, which is a distance from a midpoint between the left and right front wheels to the grip, or an offset amount of the handle with respect to a rotation axis of the steering shaft.

Abstract: A front two-wheel leaning vehicle, including a handle, a steering shaft, a linkage mechanism and a load transfer mechanism. The load transfer mechanism includes a left-foot-placing part and a right-foot-placing part located between the left front wheel and the rear wheel, for left and right feet of the driver to be respectively placed thereon. The load transfer mechanism transfers a load to the left and right portions of the linkage mechanism through the left-foot-placing part and the right-foot-placing part, or through the right-foot-placing part and the left-foot-placing part, respectively. The steering shaft includes a handle adjusting mechanism configured to adjust, with respect to the left-foot-placing part and the right-foot-placing part, at least one of a handle height, which is a distance from a midpoint between the left and right front wheels to the grip, or an offset amount of the handle with respect to a rotation axis of the steering shaft.

Abstract: A plurality of byte ranges forms a sample for content output from a player device, and includes at least one double-encrypted byte range. The plurality of byte ranges is stored in a secured memory, and the at least one double-encrypted byte range is partially decrypted to generate at least one decrypted singe-encrypted byte range. The plurality of byte ranges is stored in an unsecured memory using the at least one decrypted single-encrypted byte range in place of the at least one double-encrypted byte range.

Abstract: A lockable steering mechanism for a children's ride-on vehicle is provided. The steering mechanism has a steering shaft coupled to a steering link that is coupled to the vehicle's front wheels. A steering wheel is axially fixed to the steering shaft. A lifter guide is rotationally and axially fixed to the steering shaft, and a lifter is rotationally fixed to and axially moveable about the lifter guide. A rotatable locking ring rotates from a first position to a second position. The lifter engages the steering wheel when the locking ring is in the first position to rotationally fix the steering wheel to the steering shaft. The lifter is rotationally decoupled from the steering wheel when the locking ring is in a second position to rotationally decouple the steering wheel from the steering shaft.

Abstract: A cushioning body for a leg rest of a rollator walking aid is in the form of an elastic molded body and has an upper side, which, when the elastic molded body is attached to a support member of the leg rest of the walking aid and the walking aid is used by a person, faces a bent leg of the person, a lower side, and a depression disposed on the upper and/or lower side. The depression is configured as a recess or as an area in which the material of the molded body has a reduced density. In the depression, a protuberant part of the anterior surface of the knee and of the neighboring portion of the lower leg is received when a leg of a person is resting on the cushioning body, in particular when the bent leg is in contact with the upper side of the cushioning body.

Abstract: A plurality of byte ranges including at least one encrypted byte range forms a variant sample for providing a digital watermark in content output by a player device. The plurality of byte ranges is ordered in a secured memory, and stored in an unsecured memory including one or more encrypted byte ranges for further processing of the ordered plurality of byte ranges. According to another aspect, a plurality of byte ranges forms a sample for content output from a player device, and includes at least one double-encrypted byte range. The plurality of byte ranges is stored in a secured memory, and the at least one double-encrypted byte range is partially decrypted to generate at least one decrypted singe-encrypted byte range. The plurality of byte ranges is stored in an unsecured memory using the at least one decrypted single-encrypted byte range in place of the at least one double-encrypted byte range.

Abstract: A lightweight collapsible frame, a plurality of wheels, at least one supporting member for supporting a patient at least partially, and at least one guiding member for guiding the movement of the transporter is provided. At least one of the plurality of wheels is mounted on the lightweight collapsible frame and at least one of the plurality of wheels is mounted on the guiding member. The guiding member and the supporting member are mounted on the frame.

Abstract: A tricycle may be operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle. A rider handle, in the first mode, may be configured to be rotationally coupled with the stem in a manner permitting a tricycle rider to exert forces on the rider handle and thereby turn the fork, and the rider handle in the second mode, being configured to be rotationally uncoupled from the stem, preventing forces on the rider handle from turning the fork. At least one rotation restricted may be included for preventing the front wheel from turning to a position where the front wheel axis leads the fork axis, and for maintaining the front wheel axis in a position trailing the fork axis both when the tricycle is propelled by a tricycle rider in the first mode and when the tricycle is pushed from behind in the second mode.

Abstract: Articulated two-wheeled vehicles have front and rear frame sub-assemblies connected together by an articulated frame joint configured to enable directional and angled counter-action of front and rear wheels or skis.

Abstract: A vehicle for infants includes a footboard, a front and rear chassis support fixed to it, wherein each chassis support supports at least one wheel, a steering bar which is connected to the front chassis support, and gripping at the upper portion of the steering bar. The vehicle furthermore includes a seat which is preferably fixed to the steering bar. The invention furthermore relates to a vehicle for infants with two front wheels and at least one, preferably two, rear wheels, wherein the vehicle includes a seat which is preferably fixed to a steering bar of the vehicle, and wherein the vehicle includes gripping at the steering bar which, however, does not function as handle bar, and wherein at least the front chassis support of the vehicle includes a steering mechanism which permits to steer the vehicle by ways of shifting of weight.

Abstract: A quick release structure for a bicycle includes a locking rod fixed securely, wherein the locking rod has a polygonal groove formed therein. The driving post of the locking rod includes a polygonal head. As desiring to lock the locking rod on the bicycle frame or to unlock the locking rod from the bicycle frame, the polygonal head of the driving post retains with the polygonal groove of the locking rod so as to rotate the locking rod. When the locking rod is rotated tightly, the polygonal head of the driving post removes from the polygonal groove so that the locking rod cannot be rotated, and the driving post of the locking rod does not drive the locking rod to rotate loosely after vibration, thereby obtaining positioning safety.

Abstract: The present disclosure provides a cardboard-based unit, structural elements comprising said unit and land-vehicles comprising said units and structural elements.

Abstract: A quick release structure for a bicycle includes a locking rod fixed securely, wherein the locking rod has a polygonal groove formed therein. The driving post of the locking rod includes a polygonal head. As desiring to lock the locking rod on the bicycle frame or to unlock the locking rod from the bicycle frame, the polygonal head of the driving post retains with the polygonal groove of the locking rod so as to rotate the locking rod. When the locking rod is rotated tightly, the polygonal head of the driving post removes from the polygonal groove so that the locking rod cannot be rotated, and the driving post of the locking rod does not drive the locking rod to rotate loosely after vibration, thereby obtaining positioning safety.

Abstract: Knee-walkers allow amputees and individuals with injuries to maintain independent movement. Their stability and steering is very important. The invention comprises a knee-walker (10) comprising a frame (20), at least two ground-engaging wheels (50) at the front, a seat (90), a steering column (70), and a steering belt (200) linking the steering column to the two front wheels, the two front wheels being steered by rotation of the steering column and consequent rotation of the belt.

Abstract: A recumbent vehicle is disclosed, which generally consists of a front, seat and rear chassis. The seat chassis is operatively connected to upper and lower pivot joints, which allow for the seat chassis, and thus the rider, to move independently from the remainder of the vehicle. Said upper and lower pivot joints are each comprised of subcomponents such as spherical axial bearings along with a coil to create said independent movement, which manifests itself during turns and when hitting obstacles on the terrain. The rider can control the direction of the recumbent vehicle by means of a steering arm.

Abstract: A vehicle for infants includes a footboard, a front and rear chassis support fixed to it, wherein each chassis support supports at least one wheel, a steering bar which is connected to the front chassis support, and gripping at the upper portion of the steering bar. The vehicle furthermore includes a seat which is preferably fixed to the steering bar. The invention furthermore relates to a vehicle for infants with two front wheels and at least one, preferably two, rear wheels, wherein the vehicle includes a seat which is preferably fixed to a steering bar of the vehicle, and wherein the vehicle includes gripping at the steering bar which, however, does not function as handle bar, and wherein at least the front chassis support of the vehicle includes a steering mechanism which permits to steer the vehicle by ways of shifting of weight.

Abstract: An adapter for a steering handle of a camera dolly includes a first part and a second part attached to the first part in a way that allows for angular adjustment between them. This allows the steering handle to be aligned or squared up relative to the dolly chassis. The first part may be an adapter base and the second part may be a riser. The adapter base may have a flange with slotted holes alignable with holes in the riser. When installed on a camera dolly, the adapter allows the steering handle to align as desired. The adapter also raises the steering handle up, to allow for ergonomic use by a taller dolly operator.

Abstract: The scooter of the present invention includes a footboard having a front portion, and a rear portion attached to a rear wheel; a front wheel axle having an upward axis perpendicular with the front wheel axle and a steering axis, wherein the front wheel axle is rotatable with respect to the steering axis; and a plurality of front wheels attached to the front wheel axle. The steering axis forms a predetermined adjacent angle between 0 degree and 90 degree with respect to the upward axis.

Abstract: The present invention relates to a street board comprising first and second footrests, a front pivot connection part, and first and second driving links. The first and second driving links are rotatably pivoted to the first and second footrests, respectively and the first and second driving links are rotatably pivoted to each other by the front pivot connection part. The front pivot connection part includes a front angle limit part that can limit an angle formed between the first and second driving links within a predetermined range. The above-described street board is easier to ride compared with conventional street boards.

Abstract: A tricycle may be operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle. In both such first and second modes, the frame of the tricycle is configured to rotatably support the rear wheels and configured to support the head tube at a distance from the rear wheels such that a distance between the head tube and rear wheels need not necessarily be changed even when the front wheel axis location is changed from one mode to another.

Abstract: A bicycle frame of carbon fiber comprises a main frame and a lead. The main frame includes a plurality of carbon fiber tubes interconnected together. The lead is arranged in a tube wall of at least one of the carbon fiber tubes, and one end of the lead passes through the carbon fiber tube. Furthermore, a bicycle including the above-mentioned bicycle frame of carbon fiber is also disclosed. The above-mentioned bicycle frame of carbon fiber and the bicycle are easily integrated with electronic devices for providing functions of information and entertainment.

Abstract: A knee roller that is easy to use and provides improved maneuverability is disclosed. The knee roller may include a support frame for supporting a handlebar assembly, a knee support and a pair of coaxial wheels. The pair of coaxial wheels may be positioned substantially underneath the knee support, where the pair of coaxial wheels rotates about a common rotation axis, and a vertical plane defined by the rotation axis intersects the knee support. The position of the pair of coaxial wheels with respect to the knee support substantially distributes a weight received at the knee support over the pair of coaxial wheels and allows the knee roller to turn about a vertical axis perpendicular to and intersects with the rotation axis.

Abstract: An automatic wheel adjustment mechanism mounted between two front wheels and a front wheel stem of a foldable motorized vehicle, comprising: (a) a front wheel supporting shaft having a bearing housing positioned on the top center portion of the front wheel supporting shaft, a first connecting portion, and a second connecting portion positioned on the front wheel supporting shaft, (b) a connecting member having a ring on one end and a connecting shaft on other end, wherein the connecting shaft extends upwards to form a connecting portion, and (c) a plurality of bearings, wherein outer races of the bearings is fixed at the center portion of the front wheel supporting shaft, the ring of the connecting member is connected to the lower end of the front wheel stem, the connecting shaft of the connecting member passes through and fixedly connected to the inner races of the plurality of the bearings.

Abstract: A tricycle may be operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle. In both such first and second modes, the frame of the tricycle is configured to rotatably support the rear wheels and configured to support the head tube at a distance from the rear wheels such that a distance between the head tube and rear wheels need not necessarily be changed even when the front wheel axis location is changed from one mode to another.

Abstract: A knee roller that is easy to use and provides improved maneuverability is disclosed. The knee roller may include a support frame for supporting a handlebar assembly, a knee support and a pair of coaxial wheels. The pair of coaxial wheels may be positioned substantially underneath the knee support, where the pair of coaxial wheels rotates about a common rotation axis, and a vertical plane defined by the rotation axis intersects the knee support. The position of the pair of coaxial wheels with respect to the knee support substantially distributes a weight received at the knee support over the pair of coaxial wheels and allows the knee roller to turn about a vertical axis perpendicular to and intersects with the rotation axis.

Abstract: A child's riding vehicle such as a tricycle has a secondary steering column through which the parent walking behind the tricycle may steer the tricycle. The secondary steering column is coupled to the first steering column by a pair of rods that are attached at their respective ends to a first flange around the primary steering column and a second flange around the secondary steering column. The steering rods also act as steering limiters by contacting the wheel fork tube at a predetermined maximum steering angle and resisting further rotation of the flange. The mechanism lies entirely within the hollow frame of the tricycle for safety. The child's steering handle can be disengaged from the fork tube to allow the parent to completely control the steering without interference from the child.

Abstract: Knee walker assemblies and methods of manufacturing a knee walker assembly are provided herein. A knee walker assembly is disclosed that includes a frame with a handle mounted to the frame. At least one rear wheel is mounted to the frame proximate the rear end thereof. At least one front wheel is mounted to the frame proximate the front end thereof. The knee walker assembly also includes a support platform configured to support a portion of an appendage. A collapsible stanchion arrangement movably mounts the support platform to the frame. The collapsible stanchion arrangement includes a trolley and a first stanchion attached at a first end thereof to the support platform and attached at a second end thereof to the trolley. The trolley is slidably mounted to the frame such that movement of the trolley relative to the frame operates to adjust the vertical height of the support platform.

Abstract: A vehicle with front and rear steering is disclosed. The vehicle can be a cycle. The cycle includes a front wheel steered by a front hand-steering mechanism, and two back wheels steered by a back hand-steering mechanism. The back wheels are dual inclined casters with full rotational movement. A drive train forward of the front wheel drives the front wheel, while a rider is inclined in a seat in a recumbent orientation. The front and rear steering provides unlimited maneuverability and turning capabilities.

Abstract: An easy-to-assemble multipurpose pushbike includes a frame having a handlebar at one end, a through hole on the middle and a locating member disposed in the through hole, a front wheel pivotally coupled to the other end of the frame, two arched boards each having a mounting portion disposed at one end and inserted into the through hole of the frame, a pivot holder disposed at the other end and two positioning matching means disposed at the mounting portion and selectively attached to the locating member, a rear wheel set pivotally coupled to the pivot holder of each arched board, and a seat having a seat pad and a seat stem supporting the seat pad and fixedly mounted between the arched boards.

Abstract: A vehicle for infants includes a footboard, a front and rear chassis support fixed to it, wherein each chassis support supports at least one wheel, a steering bar which is connected to the front chassis support, and gripping at the upper portion of the steering bar. The vehicle furthermore includes a seat which is preferably fixed to the steering bar. The invention furthermore relates to a vehicle for infants with two front wheels and at least one, preferably two, rear wheels, wherein the vehicle includes a seat which is preferably fixed to a steering bar of the vehicle, and wherein the vehicle includes gripping at the steering bar which, however, does not function as handle bar, and wherein at least the front chassis support of the vehicle includes a steering mechanism which permits to steer the vehicle by ways of shifting of weight.

Abstract: Knee walker assemblies and methods of manufacturing a knee walker assembly are provided herein. One concept of the present disclosure is directed to a knee walker assembly that includes a frame, a support platform and a handle mounted to the frame, at least one rear wheel mounted proximate the rear end of the frame, and at least two front wheels swivel mounted proximate the front end of the frame. A locking mechanism is operatively engaged with the at least two front wheels. The locking mechanism is configured to substantially simultaneously lock both of the at least two front wheels in a rigid-type mounting configuration.

Abstract: A mechanism for manually powering a vehicle is provided. The mechanism includes a frame and a first driver attached to the frame. The first driver rotates a driven wheel. A lever arm is pivotally attached to the frame and includes a first end having a pair of handles sized to be grasped and moved in a rowing motion by both hands of a person and a second end that rotatably attaches to a disk shaped second driver. A linkage is moved by the second driver when the person pivots the first end of the lever arm and the linkage rotates the first driver and the driven wheel. A steerable wheel and a steering member that are operated by the lever arm steer the steerable wheel. The steering member communicates moveably with a telescoping universal joint, the telescoping universal joint enabling the lever arm to be pivoted and steered.

Abstract: A vehicle wheeled device has a drive wheel, two foot pads and two support wheels. The drive wheel is adapted to drive the device along a longitudinal drive path with the foot pads being located at opposing longitudinal sides of the drive wheel. The two support wheels of the device are adapted to engage the ground face at one of the longitudinal sides of the drive wheel with the drive path being located therebetween.

Abstract: A child-powered vehicle including a body, a front axle rotatably coupled to the body, a rear axle assembly pivotally coupled to the body, and a pair of pedals that drives the front axle and associated wheels for movement. The rear axle is pivotable about a steering axis to alter the orientation of the rear axle with respect to the front axle, such that the steering axis is non-parallel to the rear axle to provide a small turning radius.

Abstract: This invention relates generally to mechanics, and more specifically, to systems and methods for providing an ergonomical multi-speed wheelchair.

Abstract: A cycle (1) for use by a rider (11) over a terrain surface (36). The cycle (1) includes a frame (2) having front (3) and rear (4) portions; a seat (13); a front wheel (5) rotatable about a primary axis (17) and attached to a steering member (7); a steering mechanism (8) coupled to the steering member (7); a rear wheel (6), rotatably attached to the rear frame portion (4); a drive mechanism (21 or 88) operatively coupled to the front (5) and/or rear (6) wheel; at least one footrest (12, 92) on the front wheel (5). The steering member (7) is pivotally attached to the front frame portion (3) for rotation about a secondary axis (15) orthogonal to the primary axis (17). The cycle (1) is configured such that a rider (11) can be seated on the seat (13) in operative contact with the steering mechanism (7) when the cycle (1) is in motion, whilst permitting both feet of the seated rider (11) to reach the terrain surface (36) when the cycle (1) is stationary.

Abstract: The present invention relates to a street board comprising first and second footrests, a front pivot connection part, and first and second driving links. The first and second driving links are rotatably pivoted to the first and second footrests, respectively and the first and second driving links are rotatably pivoted to each other by the front pivot connection part. The front pivot connection part includes a front angle limit part that can limit an angle formed between the first and second driving links within a predetermined range. The above-described street board is easier to ride compared with conventional street boards.

Abstract: A mobility assistance device for use as a walking aid includes a frame member extending from a front assembly to a rear assembly. The front and rear assemblies comprise a pair of wheels for rotational movement of the assistance device. The mobility device further comprises an energy absorption assembly located between the frame member and an axle housing of a rear assembly. The energy absorption assembly includes first and second ends, the first end is operably connected to a rearward position of the frame member and the second end is rotatably connected to the axle housing assembly supporting the pair of wheels of the rear assembly.

Abstract: Each side of an adjustable handlebar assembly has a hand grip assembly receiving portion having one of an elongated hollow member and an elongated member, a hand grip assembly and at least one releasable fastener. The hand grip assembly has the other of the elongated hollow member and the elongated member, and a hand grip disposed on the other of the elongated hollow member and the elongated member. The at least one releasable fastener is disposed on one of the elongated hollow member and the elongated member. The elongated member is received coaxially in the elongated hollow member. The hand grip is axially movable and pivotable relative to the hand grip assembly receiving portion. The at least one releasable fastener is operative to selectively and releasably fix the elongated member relative to the elongated hollow member.

Abstract: A vehicle including: a front wheel; two rear wheels; a seat configured to allow a rider to lean forward when the vehicle travels; and a frame that includes a front frame section and a rear frame section, the front frame section extending from the seat to at least an axis of rotation of the front wheel and connecting the seat to the front wheel, the rear frame section extending from the first frame section rearward and connecting the rear wheels to the first frame section, the frame sections being pivotably connected at a pivot point between the main wheel and the seat.

Abstract: A knee walker includes a frame; a cushion; a front crossmember; two rear wheels; two front spindles and two front wheels each pivotally connected to one of the two front spindles. Positive steering is provided by a handlebar rotatably connected to the front end of the frame; a steering gear responsively engaged with the rotatably connected handlebar shaft; a steering arm actuated by the steering gear responsive to the handlebar; a steering rod connecting the steering arm and one of the two front spindles, so as to pivot one associated front wheel responsive to the steering arm; and a tie rod linking the two front spindles responsively to the steering rod.

Abstract: A steering mechanism and method for a manually powered vehicle are provided. The steering mechanism includes a stem. An inner shaft freely rotates within the stem. A first end of a first cable and a first end of a second cable are operatively connected to the inner shaft. A second end of the first cable and a second end of the second cable are operatively connected to a steering column. The steering column supports a wheel of the manually powered vehicle. The steering column and the wheel rotate in response to rotation of the steering bar.

Abstract: A vehicle includes a semi-active suspension including suspension dampers controllably adjustable in accordance with electronic stability control commands and ride and handling commands. Vehicle steering response states, turning direction states and vehicle dynamics states are binary coded in respective state variables and suspension control calibrations are binary coded in calibration words. Integrity and security of state variables and calibration words are ensured in efficient binary digit resource allocation schemes.

Abstract: A children's ride-on vehicle is disclosed. In some embodiments, the vehicle may include a body having a seat assembly configured to support a child; and a drive assembly adapted to selectively drive rotation of at least one driven wheel in a plurality of drive configurations, and including a motor assembly comprising at least one electric motor, at least one user input device positioned to receive inputs from a child supported by the seat assembly and adapted to selectively actuate the motor assembly, a battery assembly adapted to selectively energize the motor assembly, and a detection system adapted to detect whether an accessory is coupled to the body. The drive assembly being adapted to restrict driving of the at least one driven wheel to less than all drive configurations of the plurality of drive configurations based on the detection system detecting whether the accessory is coupled to the body.

Abstract: An orthopedic mobility scooter for persons with a compromised leg or foot comprising a frame for supporting the weight of an occupant in a sitting position and a leg rest for supporting the compromised leg. The healthy leg is used to propel the scooter with an unobstructed stride. Wheels are located at the front and rear of the frame. Handles attached to a steering column and connected to a front wheel control the direction of travel. A padded seat is positioned near the center of the frame. A horizontal rod extending perpendicular to the frame is used to connect a leg rest and a stabilizing front wheel. The front horizontal rod and rear axle can both be positioned to either side of the frame to accommodate either a left or right compromised leg or foot. The scooter has enough clearance and stability to surmount obstacles such as street curbs.

Abstract: A muscle-powered machine has a frame, a drive wheel rotatably mounted on the frame and rotatable in a plane defining a normal straight-ahead travel direction, and a drive pedal engageable with a foot of a user of the machine and having one end pivoted on the frame forward of the user's foot. The pedal is pivotal through an acute angle on the frame between an upper position and a lower position with the pedal extending at an angle of 90° ±10° to a lower leg of the foot on the pedal. A quotient of the maximum vertical travel of the pedal measured perpendicular to the pedal in its lower end position and the sine of the angle is greater than the length of the pedal measured radially of its pivot. A drive connected between the pedal and the drive wheel converts oscillation of the pedal between its end positions into rotation of the wheel.

Abstract: A apparatus for a shock absorbing handlebar steering mechanism for vehicles.

Abstract: A apparatus for a shock absorbing handlebar steering mechanism for vehicles.

Abstract: A mobility frame (10) comprising: a multi-wheeled base (11), an upstanding support (13) having a substantially upright lower portion (17) attached to the base (11), an oblique portion (27) disposed at a height from the base (11), the oblique portion (27) extending obliquely upwardly from the lower portion (17), an upper portion (29) extending substantially upwardly from the oblique portion (27); and at least one handle (35) for steering the mobility frame (10) and/or for allowing a user to support themself on the mobility frame (10).

Abstract: This invention relates to a kneeling walker comprising a frame; a steering assembly coupled to a frame of the kneeling walker and having a steering stem and a control assembly; and a handle assembly coupled to the steering stem.