Abstract: A stroller with a braking mechanism that automatically configures itself in a braking position provides protection against the unattended stroller from rolling away. By applying force to a handle, the braking mechanism is released and the stroller is able to be pushed as usual. The handle and braking mechanism are biased in the braking position by a spring located near the rear wheels. The braking mechanism applies sufficient frictional force against the tire of the wheel to prevent the wheel from rolling.

Abstract: A parking brake apparatus has a base, a ratchet plate fixed to the base, an operation lever includes a rotational base portion pivotally supported on the base; a pawl adapted to engage/disengage with the ratchet plate; an arc-shaped intermediate member comprises an arc-shaped relay rod; and a grip for controlling the engagement of the pawl. The arc-shaped relay rod is divided into at least two and is made to be interlocked with operations by the grip to transmit an engagement/disengagement operation with the ratchet plate to the pawl, the ratchet plate and the rotational base portion are provided inside a body side mounting portion, and the intermediate member is provided in such a manner as to appear from and disappear into a passage hole in the body side mounting portion.

Abstract: This device is actuated by a single control (1) that by ropes (2 and 3) and in a simultaneous manner acts on the rear wheels (4) of the pram. The control (1) has a lever (5) at its end (6) being linked to a bracket (7) in a pin-jointed connection and at an intermediary point (9) being inferiorly linked in a pin-jointed connection to an arm (10) being at its free end (11) linked to the ropes (2 and 3). The ropes are inferiorly linked to the brake ans (12) being operable for braking the wheels (4), the ropes being biased by respective springs (13) provided for securing the brake-on position. The control lever (5) in its raised brake-off position is stabilized in a position beyond vertical where it is maintained by the pulling force of the springs (13).

Abstract: A brake device for a pushcart includes a rotary lever rotatable on a base between first and second positions and biased to the first position. A cam member is rotatable within the rotary lever, and has a convex portion and a concave portion. A braking pin is disposed movably on the base, and is biased to contact the cam member. When the rotary lever is rotated from the first position to the second position, the cam member rotates so as to move an end of the braking pin from one of the concave portion and the convex portion onto the other one of the concave portion and the convex portion, thereby switching the braking pin between a braking position and a release position.

Abstract: A control unit is slidably mounted on a top corner of a playard and connected to the slider inside the seat through a linking unit passing through a standing post of the playard. When the control unit pulls the slider to move relative to the seat along a first direction, a braking pin slides relative to the seat along a second direction and disengages from the hub to release a wheel. When the control unit is pushed to lock the wheel, the bias force from springs moves the slider and the braking pin to slide along the opposite direction, leading the braking pin to engage with the hub to brake the wheel. The wheel can be operated to brake or release by a remote control unit.

Abstract: A brake device for prams is operable for jointly acting on the rear wheels being installed on the two sides of the pram. The braking action is carried out by one single control being such as to simultaneously act on the two wheels through a rope. The single control is made up by an articulated lever having two positions namely being an active and a passive one, the positions being secured by a lock, this latter having been provided on a swivel pin for the control lever and includes a spring being provided for securing its two positions. The rope being to the control lever has two branchings, one for each wheel, each branching ending in an anchoring element at the respective wheel and including a spring provided for securing the braking position.

Abstract: The invention concerns a device for transporting a child in a child seat comprising a main frame for supporting the child seat, a swivable push bar for pushing the main frame from different sides, pivotable wheels or wheel sets for supporting the main frame whereby the wheels or wheel sets are provided with pivot locks and brakes. In accordance with the invention the push bar comprises a brake handle for activating the brakes and that the device comprises a mechanism for activating the pivot locks of the wheels or wheel sets under the push bar and for simultaneously coupling only the brakes on these wheels or wheel sets with the brake handle.

Abstract: Braking system for a stroller utilizes an actuator to move two brakes close to an axis to unlock the rear wheels of the stroller and away from the axis to lock the rear wheels. Each brake comprises a long arm. The brakes are disposed at the opposite sides of the axis. When the actuator is driven to rotate about the axis, the brakes move around the axis to have axial movement close to or away from the axis.

Abstract: A brake assembly for a stroller includes left and right braking mechanisms, a connecting member, and left and right operating members interconnected to each other through the connecting member so as to move in opposite directions when operated. Each of the left and right braking mechanisms includes a first engaging member, and a second engaging member movable between engaging and disengaging positions and defining a first cam face. Each of the left and right operating members defines a second cam face which is in sliding contact with a respective first cam face so as to drive the second engaging member to move to the engaging position in an axial direction when the left operating member is operated, and so as to drive the second engaging member to move to the disengaging position when the right operating member is operated.

Abstract: A wheel brake mechanism for a baby stroller has a pair of sliders which can be released from and engaged with a toothed portion of a pair of rear wheels. The pair of sliders are driven by a pedal via a transmission shaft. The pedal has a rear end and a front end. A user may step downwardly on the rear end of the pedal to simultaneously brake the rear wheels on either side of the stroller; and step on the front end of the pedal to simultaneously release the rear wheels from a braked state.

Abstract: This invention relates to gravity reactive braking systems. According to the invention there is provided a brake system to control speed in a forward direction for descending inclined surfaces and a brake system for controlling rollback when ascending an inclined surface. The speed pacer braking assembly includes a downhill activator for selectively engaging a disc brake system when a predetermined inclined is reach. The anti-rollback assembly comprises a pair of graded brake cam structures operatively disposed adjacent wheels wherein the natural pull of gravity and the configuration of the cams operate to allow passage of wheels in both directions when on flat surfaces and in only a single direction when on an incline. When on an incline, gravity operates to dispose cams relative to the wheels such that rotation of wheels in one direction is hindered by a thickening of cam body caused by rotation of cam about its axis.

Abstract: A brake device for a power tool has a brake assembly, a bearing portion, a pinion and a gearbox. The brake assembly includes a brake base, a cover, a first throttle cable, a second throttle cable, a brake-activating block, a brake-guiding pillar, a brake band and a brake drum. The first throttle cable, the brake-activating block and the second throttle cable are linearly connected together in series. The brake-activating block is designed to abut against the brake-guiding pillar in a brake position and a release position, respectively. With the relative movement among the first throttle cable, the brake-activating block and the brake-guiding pillar, the abutting or separating state between the brake band and the brake drum can be easily controlled.

Abstract: The present invention provides an adjusting tube on an end of the brake cable conduit, which is composed of rotating first and second tubular bodies. At where the first and second tubular bodies are joined, they are configured to have symmetrical and matching indented and non-indented sections. When the first and second tubular bodies are rotated to have their non-indented and indented sections aligned and fitted together, the brake wire could be relieved from the handbrake assembly, the gaps between the brake pads and the wheel rim are enlarged, and the wheel could therefore be easily assembled to or disassembled from the bicycle frame through the enlarged gaps.

Abstract: A braking device for a child seat is provided. The braking device comprises a pair of first and second braking rods (20a, 20b), a pair of first and second braking pins (30a, 30b) and a braking pedal mechanism (40), the braking device being provided in a connecting tube (11) between two rear wheels (10a, 10b). When the brake pedal mechanism (40) rotates with respect to the connecting tube (11) in a direction, the braking rods (20a, 20b) move outward such that the outer ends (22a, 22b) of the braking rods (20a, 20b) are engaged with the rear wheels (10a, 10b) respectively, thereby completing the locking of the rear wheels (10a, 10b), and when the brake pedal mechanism (40) rotates with respect to the connecting tube (11) in another direction, the braking rods (20a, 20b) move inward such that the outer ends (22a, 22b) of the braking rods (20a, 20b) are disengaged from the rear wheels (10a, 10b) respectively, thereby completing the releasing of the rear wheels (10a, 10b).

Abstract: A rear wheel synchronous brake system used in a pushcart such as a baby jogging stroller is disclosed to include two rear brakes respectively coupled to the two rear wheels of the baby jogging stroller, a hand control unit mounted on the handle of the baby jogging stroller at the top, and two brake lines coupled between the brake lever of the hand control unit and the two rear brakes for driving the rear brakes to brake the two rear wheels of the baby jogging stroller synchronously when the user pulling the brake lever.

Abstract: A wheel simultaneous brake mechanism for simultaneously braking two wheels includes two respective engaging members that are selectively movable between an engaged position and a disengaged position for selectively braking or releasing the two wheels. Each engaging member is biased by a spring toward its respective engaged position. The two engaging members are connected to one another in a manner transmitting a tensile force therebetween by a wire, so that the engagement or release of both engaging members can be actuated together in unison.

Abstract: When a driver operates an activation switch, an electric parking brake apparatus performs a parking brake activation control in order to operate an electric motor until the tension of a base wire reaches a predetermined target tension to thereby bring parking brakes into an activated state. After that, the apparatus again performs the parking brake activation control when a re-activation time, which is set in accordance with the difference between an estimated temperature of a service brake and an ambient temperature, has elapsed; when the position of a shift lever has been changed; when the height of the vehicle has changed by an amount greater than a predetermined amount; or when the driver releases a brake pedal which has been continuously operated after completion of the parking brake activation control.

Abstract: A brake assembly for a stroller includes left and right braking mechanisms, a connecting member, and left and right operating members interconnected to each other through the connecting member so as to move in opposite directions when operated. Each of the left and right braking mechanisms includes a first engaging member, and a second engaging member movable between a locking position, in which the second engaging member engages the first engaging member, and an unlocking position, in which the second engaging member is disengaged from the first engaging member. Each of the left and right operating members defines a cam face which is in sliding contact with the second engaging member so as to drive the second engaging member to move to the locking position when the left operating member is operated, and so as to drive the second engaging member to move to the unlocking position when the right operating member is operated.

Abstract: An immobilizing mechanism of a baby-walker includes an upper part up and down movably fitted to a lower frame of the walker, a base connected to a lower portion of the upper part in an up and down displaceable manner, and a button fitted on the lower frame; the upper part is biased upwards by several springs, and has a resilient portion, which can engage the lower frame to prevent the upper part from moving up after the upper part is depressed; a spring is arranged between the upper part and the base such that a lower end of the base is normally farthest away from the upper part; the button is used for disengaging the resilient portion from the lower frame; thus, the mechanism can be made to support the baby-walker instead of the wheels by depressing the upper part, and can become inactive when the button is pressed.

Abstract: A brake system for a wheelbarrow includes a plurality of elongate mounting brackets having opposed end portions connected to the frame of the wheelbarrow and an axle passing through the wheel, respectively, so that the plurality of mounting brackets become disposed on opposite sides of the wheel. The brake system further includes a plurality of levers including first end portions pivotally connected to the plurality of mounting brackets, respectively. The plurality of levers further include second end portions disposed rearwardly from the first end portions, respectively. A plurality of brake pads are connected to the plurality of levers and extend inwardly towards opposed sides of the wheel, respectively. A brake handle is connected to the frame and a cable mechanism cooperates with the brake handle for causing the plurality of brake pads to engage and disengage the wheel as the plurality of brake levers are pivoted outwardly and inwardly, respectively.

Abstract: An anti-theft vehicle system for a vehicle wheel having a rotational axis includes a linear actuator disposed within the vehicle wheel for operatively engaging and disengaging an interior surface of the vehicle wheel to resist and allow rotational movement of the vehicle wheel about the rotational axis. The anti-theft vehicle system further includes a receiver mounted within the vehicle wheel to receive a signal to activate the linear actuator.

Abstract: A wheelchair wheel locking assembly comprises a first wheel stop having an actuating lever for operating a first wheel-engaging member. The first wheel stop is operably connected to a second wheel stop via a continuously flexible linkage, whereby actuating the first wheel stop simultaneously operates the second wheel stop. In the event the continuously flexible linkage is severed, the first wheel stop may continue to be operated by the actuating lever. The wheel locking assembly of this invention is advantageously operated from a single side of a wheelchair. A wheel locking assembly having dual actuating levers is also provided, whereby from a single side of a wheelchair a first actuating lever operates a first wheel-engaging member and a second actuating lever operates a second wheel-engaging member.

Abstract: A trolley wheel mechanism has two caster wheel assemblies each having a pair of wheels mounted on a rotatable housing. In a free mode the wheels are free to both rotate and to swivel. This is caused by the user pressing a release pedal. In a unidirectional mode a retainer lock engages a brake disc to prevent swivelling of the housing. This is caused by the user pressing both pedals simultaneously. A brake mode is caused by the user pressing the apply pedal.

Abstract: This invention provides one variable leverage V type bicycle brake which includes two swinging arms, two friction bodies, one cable connection part, one brake cable and one adjusting device. One end of each of the two swinging arms is set on the bicycle frame and the other ends of the two arms is set with one swinging arm connection part respectively. Each one of the friction bodies is set at the central section of each swinging arm and one end of the cable connection part is connected to one of the swinging arm connections. One end of the brake cable penetrates the other end of the connection part by connecting to another swinging arm connection, the other end of the brake cable is connected to one brake lever set on the bicycle handlebar, and the adjusting device is set on each swinging arm, so as to vary the direction and position of the swinging arm connection part on the long shaft of the swinging arm to provide a variable leverage with the V type bicycle brake.

Abstract: A brake system for a running stroller includes a pair of brake devices respectively secured to a pair of rear support rods of the stroller and controlled by a hand lever through a first steel wire, a synchronizer and a pair of second steel wires, when press the hand lever inward the two brake devices are simultaneously functioned to frictionally brake the brake disks on inner side of a pair of rear wheels of the stroller. A tread plate rotatably secured to a distal portion of a rear support rod can arrest the wheels of the stroller from any movement.

Abstract: A braking device for a four-wheel buggy including rear swing arms which are attached to a vehicle body frame such that the rear swing arms can swing vertically, an axle shaft attached to the ends of the rear swing arms, and wheels disposed one at each end of the axle shaft is disposed above the axle shaft. The braking device is constructed as a mechanical braking device including a brake drum and a brake shoe which apply a braking force to the wheels, a brake cam lever which activates the brake, and a rear brake operating cable used for operating the brake cam lever. The brake cam lever is provided with a projecting portion which is formed integrally with the brake cam lever at a position below a connecting portion with the rear brake operating cable, the projecting portion protecting the lower side of the connecting portion.

Abstract: A stroller includes a frame assembly with a pedal-mounting rod, on which a brake pedal is mounted rotatably. When the brake pedal is turned downward, a coupling mechanism activates two resilient elements to bias two brake pins to project from two pin holes in two mounting seats. At this time, in case the brake pins are aligned with two of a plurality of brake holes in two rear wheels, they are biased into the two brake holes. In case the brake pins are deflected from all of the brake holes, they are biased to press against the surfaces of the rear wheels. Under such conditions, the rear wheels are rotated slowly by pushing the stroller so as to permit the brake pins to be biased into two of the brake holes.

Abstract: Brake structure of skateboard, including: a casing having a cavity with an opening facing outward, the casing being fixedly disposed on inner side of one end of the wheel shaft of the skateboard; two brake members pivotally connected in the cavity and openable and closable; a resilient member for keeping the free ends of the brake members close; a rotary shaft having a driving section at one end, the rotary shaft being pivotally rotatably connected with the casing with the driving section positioned in the cavity, the free ends of the brake members touching two sides of the driving section; a rocking arm positioned on outer side of the casing and connected with the rotary shaft; a controlling assembly connected with the rocking arm; and a wheel disposed at one end of the rotary shaft. An annular wall projects from inner side of the wheel. The brake members are positioned in the annular wall.

Abstract: A foldable three-wheel baby carriage includes an operation device mounted on the horizontal section of each of the two push bars, a front shock-absorbing device mounted between the front wheel and the two front frames, two rear connecting devices each mounted between a respective one of the two rear wheels and a respective one of the two rear frames, and two rear shock-absorbing devices each mounted between a respective one of the two rear wheels and a respective one of the two rear frames. Thus, the foldable three-wheel baby carriage may provide shock-absorbing and braking functions, thereby protecting the baby. In addition, the connecting devices and the operation device of the foldable three-wheel baby carriage are arranged in hidden manner, thereby enhancing the aesthetic quality of the foldable three-wheel baby carriage.

Abstract: An auxiliary braking system for supplementing an existing bicycle braking system is disclosed. The brake wire of the auxiliary braking system is removably secured to an existing primary brake wire, so that the actuation of the auxiliary braking system causes the main brake wire to pull and activate the caliper brakes. The interconnection of the auxiliary brake wire to the main brake wire is achieved through a housing joiner which secures the auxiliary brake wire to the top tube of the bicycle frame and a bullet clamp which creates a secure connection between the main brake wire and the auxiliary brake wire.

Abstract: A pushchair of the type which includes a chassis which is born upon one or more primary wheels on a primary wheel bearing axis, the chassis further having one or more forward and/or rear secondary wheel(s) or stabilizer(s) that in normal use of the pushchair during horizontal travel is/are not ground engaging but which limit tilting of the pushchair about the primary axis, the pushchair being characterized in that it further includes a selectively operable stabilizer which may be deployed to bring a prop into ground engagement to substantially prevent tilting of the pushchair about the primary wheel axis when the pushchair is stationary.

Abstract: Apparatus for a lever (6) for controlling a parking brake including brake units and an electrically driven tightening means for applying or releasing a braking force on the said brake units. Characteristic of the invention is that a means is arranged to detect the position of the lever and produce control signals to a first electric motor (12) for generating a brake force corresponding to the position of the lever. The lever can be adjusted manually. Further there is a second electric motor (49) intended to automatically control the lever (6) depending on incoming control signals. In the fully applied position the lever (6) is locked against manual adjustment.

Abstract: The present invention relates to two braking devices employed in a baby carriage. The braking device includes a braking base, a braking wheel, a pad, a pad surface, a stop node and a linkage set. The linkage set connects to two braking devices. When the user step down the pad, the braking devices will be activated to a releasing mode. The baby carriage is therefore able to move. If the user steps down the linkage set, the baby carriage will enter into a braking mode. Thus the baby carriage will be secured and stopped.

Abstract: A stroller includes a stroller frame, a wheel unit mounted on the stroller frame, a resistance providing unit mounted on the stroller frame for providing resistance against rotation of the wheel unit, and a resistance adjusting member connected to the resistance providing unit for adjusting the resistance.

Abstract: A remote control device 1 simplified in construction and with an improved usability and a baby carriage 100 possessed of the device 1 are disclosed. The remote control device 1 is connected via wire cables 2 and 3 to a folding and a handle switching mechanism 111 and 112. A pair of pulleys 10a and 10b rotatably supported by a support shaft 4 are rotated by a rotary plate 20 so as to wind the wire cables 2 and 3 thereon, respectively. The rotary plate 20 is rotatably supported between the pulleys 10a and 10b. A switching plate 40 is operated to select one of the pulleys 10a and 10b representative of a selected one of the folding and handle switching mechanisms. The switching plate 40 drives said rotary plate to assume a pre-established rotational angular position at which the rotary plate is capable of actuating and then rotating a selected one pulley 10a or 10b.

Abstract: A brake cable-connecting apparatus for a drum brake, having a simplified structure and designed to permit a cable end to be steadily seated on a brake lever, thereby providing improved durability of an inner cable, and to further positively holds a brake cable in position, which otherwise would be disengaged from the brake lever. A drum brake comprises: slanted surfaces 27c, 28c for permitting an inner cable 29a to be deflected while a cable end 29b of a brake cable 29 is slid along an outer edge of a free end 26a of a brake lever 26, the cable end 29b being advanced from a direction in which the brake cable 29 is pulled, to a opposite direction in which the brake cable 29 is pulled; and, an opening formed in series with a cable-receiving groove 26b for receiving the inner cable 29a.

Abstract: A stroller brake with supporting function has a main body, a control pedal and an engaging rod. The control pedal is connected to an upper edge of the main body. The engaging rod is secured to a lower part of the main body. The main body is pivoted to a lower end of a rear wheel connecting member from an upper part so that it can be moved between a locking position where first holes of the main body engages lateral positioning protrusions of the rear wheel connecting member and where the engaging rod engages engaging rooms of the rear wheel and an unlocking position where second holes engages the lateral positioning protrusions to keep the engaging rod engage off the engaging rooms. When the stroller is folded, and the brake moved to the locking position, the stroller can be supported in an upright position by the rear wheels and the brakes.

Abstract: A settling device of a baby car for stopping the movement of the baby car by inhibiting the rotation of the car wheels is disclosed. The settling device of a baby car includes a button portion for providing therethrough a user's operation, and a pivot portion located between the button portion and a wheel of the baby car, and including a pin which is adjacent to the wheel and can be pushed into a vacancy between spokes of the wheel in response to the user's operation. By this way, the wheels are stranded from rotating, and the baby car is settled down.

Abstract: A brake system for a movable cart, such as a tool cart or the like, including a brake mechanism for inhibiting rotation of at least one wheel of the cart, a brake release mechanism, and an actuator for manually actuating the brake release mechanism. The brake mechanism includes a lever arm pivotally coupled to the cart and having first and second portions disposed on opposite sides of a pivot axis. The lever arm has a braked position wherein the first portion is pressure-loaded against the cart wheel to inhibit rotation of the wheel. The brake release mechanism includes a cam member rotatably coupled to the frame and disposed adjacent the second portion of the lever arm. The actuator is operatively coupled to the cam member, such that actuation of the actuator rotates the cam member and causes the cam member to engage the second portion of the lever arm and pivots the lever arm to a released position wherein the first portion of the lever arm is disengaged from the cart wheel to permit rotation of the wheel.

Abstract: A wheel for a baby walking cart has wheel parts fitted to two sides of a support member with an axle being passed through the central holes of the wheel parts and an elongated hole of the support member. The axle is also passed through a tubular slide member, which is movably received in the elongated hole, and biased towards a front end of the elongated hole by an elastic member. The wheel members have wavy slowing-down portions on inner circular surfaces. The elastic member acts against a force caused by the forward movement of the cart to push the wheel members towards the rear end of the elongated hole for keeping the wavy portions off slowing-down rods of the support member when the cart is moved along. When the cart is moved along too fast, the wheel members are forced to move towards the rear end of the elongated hole for the wavy portions to contact the slowing-down rods to slow down the cart.

Abstract: A baby walker speed control caster. The speed control caster includes an axle piece, a pair of wheels symmetrically provided at either side of the axle piece, and a ball. The axle piece is provided with a pivot hole, a through hole, and a pivot shaft. Each wheel is formed in a thickness radially increasing respectively from the adjacency of the wheel center and is provided with a pivot hole at the center and a plurality of embossing curves at the inner side; in this way, the wheels are pivotably connected to each other by a pivot axle passing through the pivot holes of the wheels and the axle piece sandwiched between the wheels such that a chamber, containing the ball, is formed by the through hole of the axle piece and the inner walls of the wheels and the width between two inner walls increases radially from the adjacency of the wheel center.

Abstract: The present invention relates to a braking device for a stroller which provides the braking function on both rear wheels synchronously. The present invention utilizes a pedal which can swing left and right to carry a rotary cam mechanism. Then the pedal will convert the swinging motion to a linear back and forth motion on the left and right braking rods. To step on the pedal is to control the motion of left and right braking rods. The left and right braking rods will be carried by the pedal to brake or release these two wheels. The pedal further has a holding mechanism for keeping the pedal in a braked or released position.

Abstract: A stroller with a brake device which has a mounting seat mounted between two upright rear rods of the stroller. An operating member has a slidable mounting portion mounted slidably on the mounting seat, an operating portion, and a downward extension which is connected to a transverse linking member that has two opposite ends connected to two brake members. The brake members are pivoted to the rear rods about a horizontal pivot axis. The operating member is operable for turning rearward to cause the slidable mounting portion and the transverse linking member to move rearward relative to the mounting seat so as to enable the brake members to pivot in a direction for moving to a braking position, where the brake members engage two rear wheels of the stroller to stop rotation of the same.

Abstract: A safety brake device for a stroller is disclosed. The brake device will automatically preclude the movement of the stroller when the user releases the brake handle. The brake handle is movably mounted to the stroller for being pushed down during manual propulsion of the stroller. A pulling wire connects to the brake handle for operating a brake assembly incorporating with the wheels. The brake handle is movable between a first and a second positions. In the first position without being handled by the user, the brake assembly precludes the rotation of the wheels. In the second position where the brake handle is pushed down by the user, the pulling wire actuates the brake assembly to release the brake and enables rotation of the wheels. When the user leaves the stroller, the brake handle retrieves to the first position, then the wheels are braked and precluded from rotation.

Abstract: The invention concerns a steering roller having a fork with two legs being spaced apart and a cover, including a brake shoe actuated by a spring loaded pin acting in conjunction with a Bowden cable.

Abstract: A shopping cart brake assembly for securing a shopping cart in place includes a cart that has at least one leg. A wheel is coupled to a distal end of the leg. A brake member extends from a hollow lower portion of the leg. A brake pad is coupled to the brake member. The brake pad is for frictionally engaging the wheel, thus preventing the wheel from rotating. In addition, a lever is coupled to the brake member for selectively extending the brake member.

Abstract: The present invention relates to a child walker, which utilizes a circular base member and a specially designed moving device to provide the functions of tipping preventing and auto-braking. By these designs, the child walker can prevent from tipping when it passes over an edge of a floor or vicinity of stair steps and control the speed of the child walker. The moving device is connected to the bottom of the circular base member for supporting the circular base member, wherein the moving device further comprises un-directional rollers for moving to an uncertain direction, directional rollers for moving to a certain direction but with a little deviation in angle from the forward direction and a stopping means for prevent the child walker from tipping when any roller is passing over an edge of a floor and then inclining by the friction between the bottom of the circular base member and the surface of the floor.

Abstract: A braking device of a three wheel baby car is disclosed. When a moving baby car is desired to be braked, the user only needs to move the protrusion of the braking device between the two rear wheel so as to drive the ejecting notches on the edge of long axis of a rotary portion within the braking device to engage with the inner ends of braking ejecting rods on the two sides. Thus, the original long axis contact with the inner end of the braking ejecting rod is changed as short axis contact. As a result, the braking rods on the two sides will be pushed outwards so that the two ends of the braking ejecting rod directly runs across the respect groove formed on the rear wheels. Accordingly, by this braking device, the baby car will be braked steadily.

Abstract: A braking power modulator is provided for a bicycle brake to modulate a braking power corresponding to a stroke of an inner wire of the brake cable. The braking power modulator is mounted midway along a brake cable for the bicycle brake. The braking power modulator is adjustable to provide different braking powers for different riders or different road conditions. The braking power modulator basically includes a tubular portion, a first blocking portion, a second blocking portion, a biasing member and an adjusting member. The tubular portion has a first end and a second end with a longitudinal axis extending therebetween. The first blocking portion for axial movement within the tubular portion along a predetermined modulator stroke has a first cable bore and is coupled to the first end of the tubular portion. The second blocking portion has a second cable bore and is movably coupled to the second end of the tubular portion.

Abstract: A folding collapsible baby stroller, which includes a front wheel frame holding a front wheel, a rear wheel frame holding a pair of rear wheels, a handlebar pivoted to the front wheel frame and the rear wheel frame, a seat frame coupled between the front wheel frame and the rear wheel frame, the seat frame having a U-shaped front bearing frame pivoted to a fixed cross bar at the front wheel frame, a U-shaped rear bearing frame, two slides bilaterally coupled between the rear bearing frame and the front bearing frame, and two connecting rods bilaterally pivotably connected between the rear bearing frame and the rear wheel frame, a front wheel brake for operation by hand to stop the front wheel, and a rear wheel Drake controlled to lock the rear wheels.