689results about How to "Quick fold" patented technology

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.

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 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 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.

Vehicle seat includes a seat frame, a backrest frame with a motor fastened thereto, a rotary adjustment fitting with a backrest-side fitting half attached to backrest frame, and a seat-side fitting half, rotatable relative to one another via a shaft driven by the motor. There is a locking device shiftable via an actuating device from its locked position to a released position for folding backrest frame forward into a functional position. In its locked use position backrest frame can be pivoted relative to seat frame within a comfort range by motor. Locking device is provided for locking seat-side fitting half of rotary adjustment fitting on seat frame in use position and in backrest frame functional position, when locking device is in its released position, backrest frame is foldable forwardly via rotary adjustment fitting into its functional position, and can be raised by motor from functional position to upright use position.

The invention discloses a seat angle adjusting device, belonging to mechanical technical field, which comprises a cam, a reset spring, a slideway plate, a ratchet wheel and a central shaft. The ratchet wheel is connected with the central shaft and the outer hook of the reset spring is fixed in the hole of the slideway plate. A sliding block is arranged in the slideway of the slideway plate and the lug boss of the sliding block is connected with the slideway of the cam. A wedge-shaped block is arranged in the slideway of the slideway plate and the lug boss of the wedge-shaped block is connected with the slideway of the cam. The two slideways are in vertical direction. The self locking surfaces of the sliding block and the wedge-shaped block form two-point locking after fixing the cam position by the central shaft under the reset spring. The seat angle adjusting device has the advantages of compact structure, compact size, high strength, good property of two-side unlocking and high adjusting precision, and can adjust the backrest angle and fold the backrest rapid.

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.

An expandable container adapted to be manually adjusted from a vertically compact configuration wherein internal shelves are closely spaced, to a vertically expanded configuration wherein the internal shelves are less closely spaced. A garment folding apparatus is preferably incorporated with the container to provide a tool that assists the user in quickly folding garments to dimensions compatible with shelves within the container.

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.

A portable barbecue oven includes an oven body, a scissor-shaped frame movably attached to the oven body having a first bracket and a second bracket, and two guiding wheels; the top end of the first bracket is adjustable relative to the oven body through a folding mechanism, and the folding mechanism includes a connection member and an adjustment piece; the adjustment piece has a slot for the connection member to pass through, the connection member can slide inside the slot so as to achieve the unfolding or folding of the scissor-shaped frame. Furthermore, during operation, the frame is lifted up and down stably by the rolling of the guiding wheel and the connection member is positioned by the position locking hole, so that the barbecue oven can be effectively prevented from toppling over during the unfolding or folding process.

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 discloses a hinged folding scooter bag comprising a folding footboard, a bag body, wheels, a guide mechanism, a brake system, a motor, a battery, and a motor control system. The hinged folding scooter bag is portable, trafficable and comfort for driving, can be ridden, pulled or carried, can be carried in other vehicles or indoors, allows start and destination to be linked seamlessly, is a novel complementary vehicle, helps improve experience of travel by bus, allows subways and rapid transit systems to be more conveniently utilized, provides less frequent vehicle transferring, and makes time of going shorter, so that traffic jam is alleviated and greenhouse gas emission is reduced. The hinged folding scooter bag can be quickly folded with one hand at one step and is flexible to steer. The battery in the hinged folding scooter bag is used as a mobile power source. The volume of the hinged folding scooter bag can be varied according to travel needs.

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.

An adjustable folding utility tray for removable attachment to a tripod comprising a portable frame with attached collapsing or folding members is provided. The folding utility tray removably attaches to two legs of an easel or tripod. Once the device is positioned at the desired operational height, two slidingly attached arms are adjusted to engage and contact the easel or tripod legs. After use, the device is folded, or collapsed, into a compact size for transport or storage and removed from the easel or tripod.