690results about How to "Quick fold" patented technology

Wheeled luggage having a telescopically expandable body is disclosed. The luggage body may be manually adjusted from a normally sized carry-on configuration during transit, to a vertically enlarged configuration once the final destination, such as a hotel room, is reached. The body further includes a plurality of interior horizontally disposed, vertically stacked shelves connected in accordion fashion to an internal liner so as to automatically expand from a compact configuration to an expanded configuration when the main body is telescopically expanded thereby providing a series of vertically spaced shelves which provide convenient access to the contents. A garment folding apparatus may be incorporated with the luggage to provide a tool that assists the user in quickly folding clothing to dimensions compatible with storage spaced within the luggage.

The invention discloses a transversely staggered four-rotor aircraft mainly comprising a fuselage, supporting arms, a motor, rotors and a landing gear. Each two supporting arms among four supporting arms are distributed on both sides of the fuselage; the two supporting arms on the same side are installed up and down in a staggered manner; one end of each supporting arm is connected with the fuselage through a hinge mechanism, and a supporting seat is installed on the other end of the supporting arm; a motor is fixedly installed above the supporting seat; the rotors are installed on the rotating shaft of the motor; the landing gear is further installed below the supporting seat. When the aircraft works, the supporting arms and the landing gear are unfolded, and the positions of the supporting arms are kept by locking mechanisms, so that normal flight can be implemented; in a non-working state, the landing gear is folded, the supporting arms are folded transversely in a staggered manner, and the positions of the supporting arms are kept by the locking mechanisms, so that the volume is reduced for convenient carrying and transporting.

A backrest structure of a foldable safety seat includes a backrest, a spindle on both lateral sides of the backrest, a lateral support portion having at least one movable axle at an end of the lateral support portion and coupled to the spindle of the backrest, an axle center on the backrest, a seat portion coupled to the axle center, a shaft on both lateral sides of the seat portion, and a lateral support plate having a movable axle at an end of the lateral support plate and coupled to the seat portion shaft, and the seat portion can be laid flat from the backrest, and the lateral support portion of the backrest and the lateral support plate of the seat portion can be unfolded and fixed to form a child safety seat with protective edges, so as to facilitate the operation, save space and reduce installation and removal time.

The invention relates to an intelligent folding scooter which comprises a front scooter body and a rear scooter body. The front scooter body and the rear scooter body are connected in a foldable mode through a front scooter body and rear scooter body connecting piece. The front scooter body comprises handlebars, a handlebar lifting rod and a driving wheel, wherein the handlebars are connected to the two sides of the top end of the handlebar lifting rod through threads, a front wheel fork piece is fixedly arranged at the bottom of the handlebar lifting rod, and the driving wheel is rotationally installed on the front wheel fork piece. The rear scooter body comprises a pedal, a folding device and a rear wheel, wherein the folding device is fixedly installed at the front end of the pedal and provided with a folding footstep, the front scooter body and rear scooter body connecting piece is movably connected to the folding device, a rear wheel installation base is arranged at the rear end of the pedal, the rear wheel is rotationally installed on the rear wheel installation base, a battery locking device and a controller are arranged on the handlebar lifting rod, a detachable and replaceable battery pack is installed on the battery locking device, and the controller is electrically connected with the detachable and replaceable battery pack. The intelligent folding scooter is light and flexible, easy to fold and store, complete in function and good in man-machine interaction performance.

The invention provides a cuff opening machine and a cuff opening folding device of the same. The cuff opening folding device of the cuff opening machine comprises a base plate mounted on a rack, an induced draft plate mounted on the base plate and equipped with a groove and induced draft holes, an induced draft machine communicated with a plurality of induced draft holes, a side folding device mounted on the base plate and folding a cuff opening strip cut part, and an angle breaking device mounted on the base plate and breaking an angle of one end of the cuff opening strip. The cuff opening strip cut part can be quickly folded via the cuff opening machine, so a procedure of manually ironing the cuff opening strip cut part folded side can be avoided; and labor intensity can be reduced and production efficiency can be improved.

A pivot knuckle joint and a tent using the same are provided. The pivot knuckle joint includes a male joint and a female joint. A junction portion for being joined with a support tube is disposed at one end of the male joint and a pivot plate is disposed at the other end of the male joint. A shaft hole is opened on the pivot plate. A junction portion for being joined with a support tube is disposed at one end of the female joint and a first shaft disk and a second shaft disk are disposed at the other end of the female joint. A shaft hole is opened on the first and second shaft disks respectively. An accommodation space is formed at an inner side of the first and second shaft disks. When the pivot plate of the male joint is inserted into the accommodation space, a shaft rod penetrates through shaft holes of the male and female joints, so as to control a positioning status of the male and female joints, thereby unfolding or folding the tent rapidly.

The invention relates to a box-type foldable electric bicycle, which consists of a handlebar assembly, a front wheel assembly, a rear wheel assembly, a frame assembly, a power drive mechanism, a seat assembling and a conventional traffic indicating lamp assembly, wherein a handlebar folder, a straight pipe folder and a front fork folder are arranged on the handlebar assembly; a rear fork folder is arranged on the rear wheel assembly, the frame assembly comprises a frame, a frame inner liner, a frame outer cover and a folding and locking mechanism; and the conventional traffic indicating lamp assembly comprises a headlamp, steering lamps and a brake lamp. When the box-type foldable electric bicycle is in a folded state, a left handlebar and a right handlebar are folded obliquely and lean against a straight handlebar pipe; the straight handlebar pipe is obliquely folded towards a front fork, is limited by the folding and locking mechanism together with the front wheel assembly and the rear wheel assembly which are folded and pull each other, and is collected in the cavity of the frame inner liner; and the external side of the frame is covered by the frame outer cover. The assembliesare reasonably foldable. Since the front wheel assembly and the rear wheel assembly are crosswise arranged in the folded state, the box-type foldable electric bicycle has the characteristics of scientific structure, reasonable layout, convenience and rapidness in folding and unfolding, regular shape, attractive appearance, smooth surface, small volume, convenience in storage, carrying and use andvery high practicability.

A foldable treadmill includes a base for running or walking, a frame set pivotally connected with the base, and a folding mechanism for folding the frame set. The folding mechanism has a control assembly comprising a knob and a first bolt controlled by the knob. When a part of the first bolt is arranged inside the frame set, the frame set cannot be folded, and when the first bolt is moved out of the frame set, the frame set can be folded to a storage configuration.

A light folding bicycle is mainly composed of a handle (1), a steering rod (15) installed below the handle, a pedal (21), a front wheel (23), a rear wheel main frame (30), rear wheels (32), a seat frame (9), a damping device, other frames and a supporting frame and is characterized in that a vertical frame (6) in hinge connection with the steering rod (15) is arranged on the back side of the steering rod (15), the portions, on the two sides of a front-section fork entry (12), of the rear wheel main frame (30) are connected to folding sliding rail grooves (5) in the upper section of the vertical frame (6) in a sliding mode, the frames are connected through hinging shafts, and the supporting frame is connected with the frames through hinging shaft; the rear wheel main frame (30) can slide upwards along the folding sliding rail grooves (5) in the vertical frame (6) and other frames can be folded towards the vertical frame (6) with the rear wheel main frame (30) as the center by pulling a self-locking device (14) outwards and lifting it up, and in this way, the frames can be folded quickly, and the whole bicycle is more compact, smaller in size and more convenient to carry after being folded.

The invention relates to a travel bed, which comprises a bottom bracket, an upper surrounding frame, upright tubes and a fixed seat, wherein the upper surrounding frame comprises first surrounding rods and second surrounding rods, and the first surrounding rods and the second surrounding rods are rotatably connected with first connecting pieces; the first surrounding rods comprise first connecting rods and second connecting rods which are connected with second connecting pieces; each second surrounding rod comprises a third connecting rod and a fourth connecting rod, wherein the third connecting rods and the fourth connecting rods are connected with third connecting pieces. The upper surrounding frame mechanism also comprises first locking devices and second locking devices, wherein the first locking devices are used for locking the first connecting rods and the second connecting rods; the second locking devices are used for locking the third connecting rods and the fourth connecting rods; the first locking devices and the second locking devices are linked by haulage cables; when one of the first locking devices or the second locking devices are unlocked, the other of the first locking devices or the second locking devices are unlocked and the upright tubes are kept straight. By unlocking the second connection pieces on the surrounding rods, the third connecting piece in at least one direction can be simultaneously unlocked so as to fold the surrounding frame, bottom rods and a bottom frame are driven by rod supporting mechanism on the upright tubes to be simultaneously folded, the travel bed can be easily and conveniently operated, and a bed frame can be quickly folded.

A support stand for a barbecue stove includes two table members, a plurality of support feet and at least one leg brace assembly pivotally connecting the table members to the support feet. Each leg brace assembly has a hinge, an actuating device and a driving device and connects the table members to the support feet. A user can operate the leg brace assembly to detach the driving device from the actuating device and can hold handles of the table members to set the table members upright so that the driving device can move downward quickly and the support stand will be collapsible quickly. The table members further include a plurality of receptacles formed thereon and adapted for receiving the feet of the barbecue stove so that the barbecue stove can be disposed on the table members stably.

The invention discloses a folding hydraulic power auto-swing fire nozzle, comprising a nozzle, a handle operating mechanism, an outlet bend pipe, a positioning locking mechanism, a inflow bend pipe, a vertical shaft, a connecting rod base I, a connecting rod I, a butterfly bolt, a connecting rod II, a connecting rod base II, a sliding block locking mechanism, a sliding block, a round driving disc, a impeller, a driving shell, a cone gear I, a cone gear II, a chassis, a horizontal locking mechanism, a mother board, a stabilizer positioning mechanism and a stabilizer. The impeller is driven by press water to rotate, a pair of cone gears which are meshed with each other are driven by the impeller to pass a horizontal rotating to a vertical direction and the nozzle is driven to swing by a crank connecting link mechanism which is composed of the sliding block, the round driving disc, the connecting rod and the inflow bend pipe. The spraying with a certain of pitch angle and swing frequency can be realized by the fire nozzle in a broad coverage area; the operation is flexible without human intervention; the folded floor area of the invention is small, thus applicable to storing and moving. The invention is especially suitable to the extinguishing situation in which people are difficult to approach and the fire nozzle needs strong mobility.

A foldable cart for transporting golf clubs includes a main frame, a joint unit, a handle frame, two supporting frames, a club holder, a front wheel, two rear wheels, an auxiliary frame unit and a linking rod. The joint unit has four joints, each of which includes a first, second and third lock. When the first lock is released, the handle frame may be folded towards the main frame. When the third lock is released, the front wheel and fork may be turned over. When the second lock is released, one of the joints is moved upwards and pushes the linking rod and two supporting rods to make the front wheel, front fork, two auxiliary supports and two rear wheels folded towards the main frame.

A packaging laminate for forming packaging containers has a core of paper or cardboard, and a first side forming the outside of a packaging container and a second side forming the inside of the packaging container. The packaging laminate is provided with crease lines defining folding locations usable during forming of the packaging containers, and each crease line defines a linear protrusion on one side of the laminate and a corresponding linear depression on the opposite side of the laminate. The packaging laminate is characterized in that at least one crease line, which forms a corner edge of the packaging container, has its linear protrusion on the first side of the packaging laminate.

The invention discloses a wing folding and unfolding mechanism for a cylindrical launching unmanned aerial vehicle. A torsion spring serves as wing surface expanding power, the mechanism is simple andreliable, and dependence on the environment is small; a bevel gear serves as a synchronous mechanism for the wing surface expanding process, the mechanism is simple and small in size, a wing surfacecan be unfolded completely and synchronously, and the flight reliability of the unmanned aerial vehicle is improved; a locking pin serves as a locking mechanism after the wing surface is expanded, thestructure is simple and small in size, reliability is good, a locking pin cap is designed, thus it is ensured that a wing can be rapidly folded after the unmanned aerial vehicle is retracted, and retracting of the unmanned aerial vehicle is competed; different balls serve as the contact form between motion interfaces, the friction resistance of the opening process is reduced, and rapidity of theopening process is ensured; and the overall folding mechanism is high in integration degree, simple, small in size, easy to assemble, and easy and convenient to operate, and the demands of the cylindrical launching unmanned aerial vehicle for wing folding are met.

The invention discloses a multifunctional foldable carrying device which comprises a frame. A guide rod and a handrail are hinged to the frame through hinge pins; extension parts are arranged on the lower portions, corresponding to the hinge pins, of the guide rod and the handrail; the guide rod and the handrail can be kept perpendicular to the frame through locking units; and an objective table is detachably installed between the guide rod and the handrail. According to the technical scheme provided by the embodiment of the invention, the guide rod and the handrail of the multifunctional foldable carrying device are arranged to be foldable, and under the normal condition, the guide rod and the handrail are kept perpendicular to the frame through the automatic locking units; under the condition that the guide rod and the handrail need to be carried along with a vehicle, the guide rod and the handrail can be quickly folded to reduce the occupied space; and in addition, since the objective table is arranged between the guide rod and the handrail and separated from the frame, function expansion is facilitated.

An anti-folding leg assembly for a tabletop includes a leg frame for pivotally coupling at a bottom side of the tabletop to pivotally move between a folded position and an unfolded position, and an anti-folding arrangement including a table support having has a table coupling end adapted for pivotally coupling at the bottom side of the tabletop, and a leg support having a leg coupling end pivotally coupled at the leg frame. A pivot point is defined at a pivot connection between the table support and the leg support, and a centerline is defined between the table coupling end of the table support and the leg coupling end of the leg support when the leg frame is moved in the unfolded position, wherein the pivot point is located below the centerline when the leg frame is moved in the unfolded position.

The invention relates to a foldable mobile house which comprises a foldable roof, wherein two fixed wall surfaces and two foldable wall surfaces are oppositely arranged below the roof; the two fixed wall surfaces and the two foldable wall surfaces form a square wall; articulated floors are arranged at the lower part of each fixed wall surface; a foldable table is arranged on the inner wall of one fixed wall surface, and a foldable bed is arranged on the inner wall of the other fixed wall surface; a door is also arranged on the fixed wall surfaces; the foldable wall surfaces comprise two articulated first wallboards, second wallboards, third wallboards and fourth wallboards capable of being folded inwards; the first wallboards and the second wallboards are provided with hasps capable of being lapped mutually; the roof comprises two roof panels, two connecting blocks and an articulated base; handle assemblies are arranged on the upper surfaces of the mobile house floors; and support frame assemblies are arranged on the bottom surfaces of the mobile house floors. The foldable mobile house can be quickly folded and unfolded, and the foldable mobile house is in a flat shape after being folded so as to facilitate transportation.