224results about How to "Simple and strong structure" patented technology

An anti-jackknifing hitch assembly (12) (“assembly”) includes a hitch (18), a tongue (20), two resilient members (22a, 22b), and a routing member (24). The hitch (18) is attached to a tow vehicle (10). The tongue (20) extends from a trailer (16) and is attached to the hitch (18). The tongue (20) pivots about a pivot axis (34) within a predetermined range of articulation (52) defined by the resilient members (22a, 22b). In particular, resilient members (22a, 22b) respectively connect end portions (36a, 36b) of hitch (18) to front corner portions (40a, 40b) of trailer (16) and are sized for preventing over-articulation. Routing member (24) assists resilient members (22a, 22b) in applying a restoring moment about the pivot axis (34). Namely, the routing member (24) extends from the hitch (18) or tongue (20) adjacent to pivoting axis (34). The routing member (24) includes attachment members (48a, 48b) with resilient members (22a, 22b) extending therethrough.

An image-based technique that measures the orientation of fibers in a moving web of nonwoven material includes the steps of: (a) illuminating essentially simultaneously at least four light spots on one side of the web with at least four plane-polarized incident substantially perpendicular light beams having different polarization characteristics, (b) measuring the dispersion of the excident light spots on the opposite side of the web along at least one linear section which is at a known angle relative to the plane of polarization of the corresponding plane-polarized incident light beam, wherein at least one such linear section lies substantially across the center of the transmitted excident light spot and extends substantially across the width of the transmitted excident light spot, (c) calculating variations in the dispersion of the transmitted excident light spot for the at least four plane-polarized light beams; and (d) estimating the fiber orientation from the variations.

An umbrella or sunshade is provided that includes a support pole assembly and a tilt assembly. The support pole assembly includes a first support pole and a second support pole. The second support pole has a proximal end and a distal end and is curved therebetween. The second support pole is coupled with and extends generally transverse to the first support pole. The tilt assembly includes a transmission and a drive shaft. The drive shaft is housed in the second support pole. The drive shaft has a first end coupled with the transmission and a second end adjacent to the distal end of the second support pole. The transmission is configured to convert rotation of a crank handle into rotation of the drive shaft to pivot a canopy coupled with the distal end of the second support pole relative to the first support pole.

The invention discloses a folded launching and withdrawing device for an unmanned aerial vehicle. The folded launching and withdrawing device comprises a base, a folded beam, a launching frame, a launching air cylinder, a traction cable, winch rollers and a pulley set. The tail end of the folded beam is hinged to the base, and the launching air cylinder is fixedly arranged at the end of an inner cavity of the folded beam. The two winch rollers are arranged at the end of the folded beam. The two ends of the traction cable connected with the launching frame are connected with the two winch rollers respectively in a winding mode along a traction line formed by the pulley set. The folded launching and withdrawing device is easy to store and hide after being folded, and is convenient to carry and transport flexibly, a slide is long after unfolding, launching force is large, high controllability is achieved, launching and withdrawing are integrated, fast and continuous launching and withdrawing cross work can be carried out, the large launching type application range is achieved, the device adapts to all carrier-based and vehicle-mounted maneuvering modes, operating can be maintained through a low-power fuel engine or motor, and other guarantees are not needed.

The invention discloses a flywheel energy storage device adopting a bearingless switched reluctance motor. A permanent magnetic unloading bearing, a bearingless switched reluctance motor, a flywheel rotor and a mixed magnetic bearing are sequentially sleeved between the upper end and the lower end of a flywheel rotating shaft, wherein the permanent magnetic unloading flywheel carries the axial weight of the flywheel rotating shaft; the mixed magnetic bearing on the lower end overcomes the residual weight and the dynamic load of the flywheel rotating shaft, so that the flywheel rotating shaft is guaranteed to be stably suspended in the axial direction, simultaneously two-degree-of-freedom suspension bearing in the radial direction is provided for the flywheel rotating shaft, and the other two-degree-of-freedom suspension and electric function / power generation function in the axial direction are completed by the bearingless switched reluctance motor; and by adopting the high-speed electromotion / power generation running advantage and the self-suspension function of the bearingless switched reluctance motor, the strong unloading characteristic and the controllable suspension characteristic of the permanent magnetic unloading bearing and the mixed magnetic bearing are reasonably combined, so that the five-degree-of-freedom suspension of a flywheel with low loss and high reliability is realized, the running speed of the flywheel is improved, and the system power consumption and the size are reduced.

The present invention relates to a decomposition treatment method of organics refuse and organics refuse thermal decomposer, belonging to a method capable of utilizing corona hot plasma reaction to make decomposition treatment and its equipment. Said equipment includes an iron tank, its interior bottom portion is equipped with electricity-releasing material and permanent magnet, on the side wall of said iron tank several air magnetizers capable of generating negative ions and air flow regulating valves are set. Besides, said invention also provides its working principle and concrete operation method.

The invention relates to an ultrasonic welding device for welding foil-like materials and includes an ultrasound sonotrode, an anvil, an adjusting unit for adjusting a relative position between the ultrasound sonotrode and the anvil, and a regulating unit which regulates, via the adjustment unit, a width of a working gap between the ultrasound sonotrode and the anvil. The anvil is mounted to be movable with respect to the ultrasound sonotrode on a movable mounting. The adjusting unit has a first wedge element connected to the anvil, a second wedge element, and an actuator. The actuator is connected to the second wedge element, and the second wedge element moves relative to the first wedge element to execute a position change of the anvil relative to the ultrasound sonotrode.

The invention discloses a magnetic suspension bilateral magnetic resistance driving type direct linear transmission device, which mainly comprises a linear bilateral long base, a bilateral long stator linear magnetic resistance motor, a movement bearing table, a stator base fixed connecting rod, a rotor inter-phase connecting rod, a linear movement displacement sensing ruler, an auxiliary support guide rail pair, a suspended air gap detection sensor, a radiating fan and the like. A magnetic suspension support magnetized loop is multiplexed with a linear magnetic resistance motor stator and rotor magnetized loop, a base is not needed to be used for magnetizing, a moving component is not provided with a permanent magnet and does not need an external power supply, and the transmission device has the advantages of simple and compact structure, low manufacturing cost, high power-to-volume ratio, high electromagnetic thrust, short magnetic circuit path, high inter-phase sealing property, high fault-tolerant capability, zero friction operation and the like.

A coupling device for restraining belts, particularly for children's safety seats for motor-vehicles, which includes a body intended to be connected to at least one belt branch and a pair of tongue elements intended to be connected to respective belt branches, each tongue element including an attachment portion for connection with the respective belt branch and a stem portion arranged to be received and locked in the body and forming a catch tooth for locking the tongue element in the body. Each tongue element further comprises a metal insert wholly covered by a plastic or rubber housing or coating to protect user from burning from the coupling device which has been exposed to the sun.

The present invention is related to a watch case adapted to be integrated into a wrist watch device, the watch case comprising an inner volume for housing internal components of the wrist watch device and attachment elements for attaching at least one watch strap of the wrist watch device, wherein at least one portion of the inner volume of the watch case extends laterally (or longitudinally) beyond the points of attachment of the at least one watch strap. The present invention is also directed to a corresponding watch strap as well as to a wrist watch device comprising such a watch case.

Disclosed are a block type wall system assembled by hoisting and a construction method thereof. Multiple prefabricated wall board blocks are assembled into a whole, each prefabricated wall board block is provided with a reinforcing mesh concrete layer and a heat insulation layer outside in sequentially, the reinforcing mesh concrete layer consists of a structural layer and an outer surface layer disposed on the outer surface of the structural layer, four edges of the outer surface layer are protruded from four edges of the structural layer, the lower surface of the structural layer is provided with inner reinforcing bar holes corresponding to vertical long reinforcing bars on the lower adjacent prefabricated wall board block, and the heat insulation layer comprises external nonorganic boards, internal nonorganic boards, vertical nonorganic rib plates and fireproof heat insulation rock wool. The wall system is light in weight, simple in structure, convenient in installation and capable of realizing industrialized production. The wall system utilizes the external wall and internal heat insulation structure, the specially-made heat insulation layer and the concrete structural layer are connected quite closely and tightly, and the heat insulation layer is located on the innermost side, so that the probability of wetting due to seepage is reduced greatly.

A movable “L” type desk comprising a main desk with a main desk board on top; an extension desk with an extension desk board on top; the extension desk connects to one of the main leg of the main desk with a connection mechanism rotatably, a rolling wheel is on the bottom of the extension leg; a connection mechanism consists of a main leg of a main desk with a top and bottom leg, a round shaft is on top of the bottom leg, a hollow connecting tube is installed vertically near the open end of an extension beam, at least one rub-resistant ring is inside the connecting tube, the round shaft passes through the rub-resistant ring, the top of the round shaft passes through the rub-resistant ring and connects to a top ring. The main desk and the extension desk are connected in single point rotatably; the extension desk connects to the main desk without the angle and direction limitation

An improved elliptical path exercise machine is provided that is simple and robust in its construction, requires minimal maintenance, provides smooth even exercise motion, and which has a compact foot-print. The apparatus includes a pair of planetary gears, sun / ring gears and at least one crank. The crank is supported and arranged so as to be rotatable about a crank axis. Each planetary gear is pivotably secured to the crank about a pivot point located and arranged such that as the crank is rotated the planetary gears engage and rotate relative to their corresponding sun / ring gears while simultaneously revolving about the crank axis so as to form right and left epicylic gear trains. Two foot pedals are each pivotably secured to a corresponding one of the planetary gears and are sized and arranged to support the feet of a user. The layout and geometries of the device are such that each foot-pedal follows a substantially elliptical foot-path as the crank is rotated. The major axis of the elliptical foot-path is greater than twice the effective crank-arm length of the crank so that a compact foot print is attained.

A manipulator apparatus carries tools for connecting drillpipes to the drillstring in a wellbore on a drilling platform. A telescopically extendable horizontal work arm is carried on a telescopically extendable vertical column, and the tools are to be mounted on a free end of the work arm. The column is manually rotatable about a vertical axis. The column and the work arm are each respectively formed of a fixed element and a telescopically extendable element. The fixed element is preferably formed of two U-profile members arranged back-to-back, and the extendable element includes an H-profile member with its web received between the webs of the two U-profile members. This forms a telescopic slide bearing of the H-profile member sliding along the two U-profile members. The hydraulic cylinders are received in the recessed spaces of the profile members.

The invention provides an axial split-phase internal stator permanent magnet biased magnetic suspension switched reluctance flywheel motor comprising an external rotor, a flywheel and an internal stator. The external rotor is packaged at the internal side of the flywheel in a laminating way. An internal stator iron core and an external rotor iron core are divided into m segments along the axis according to the phase number. The internal side of each segment of external rotor is equidistantly provided with 12 rotor poles along the circumference. The internal stator iron core is provided with 8 narrow tooth main magnetic poles and 4 wide tooth suspension poles. Main pole control coils and suspension control coils are respectively wound on the narrow tooth main magnetic poles and the wide tooth suspension poles. The coils on each narrow tooth main magnetic pole are interconnected in series to form a main pole winding. Every two of the control coils on each segment of wide tooth suspension pole are connected in series so as to form two sets of suspension windings in an orthogonal direction. The size of the system can be reduced and the critical speed of rotation can be enhanced; the suspension supporting loss can be reduced and the operation efficiency can be enhanced; and the stator poles are separately provided with the suspension poles, the main magnetic poles and magnetic isolating rings so that the control algorithm can be simplified and the suspension performance and the decoupling effect can be enhanced.

An umbrella or sunshade is provided that includes a support pole assembly and a tilt assembly. The support pole assembly includes a first support pole and a second support pole. The second support pole has a proximal end and a distal end and is curved therebetween. The second support pole is coupled with and extends generally transverse to the first support pole. The tilt assembly includes a transmission and a drive shaft. The drive shaft is housed in the second support pole. The drive shaft has a first end coupled with the transmission and a second end adjacent to the distal end of the second support pole. The transmission is configured to convert rotation of a crank handle into rotation of the drive shaft to pivot a canopy coupled with the distal end of the second support pole relative to the first support pole.

The showerhead comprises a hollow body (10) provided with an inlet nozzle (11) and with a sieve (C) perforated by holes (13); a cleaning means (40), carrying a plurality of lower pins (41) and being displaceable, in the interior of the hollow body (10), between an inoperative position, with the pins (41) spaced from the sieve (C), and an operative position, with each pin (41) introduced into one hole (13) of the sieve (C) and defining at least one water outlet with the hole (13); a driving means (50), associated with the inlet nozzle (11) and affixed to the cleaning means (40), in order to maintain it in the inoperative position, while the hydraulic pressure in the inlet nozzle (11) is inferior to a reference value, and displacing the cleaning means (40) to the operative position, when said hydraulic pressure reaches the reference value; and an impelling means (60) displacing the driving means (50) and the cleaning means (40), to the inoperative position, when said hydraulic pressure is lower than said reference value.

A garden shears includes a pressing member, a holding member, a cutting member and a ratchet. An aperture of the cutting member combines with an aperture of the pressing member for a pivot. The holding member and the ratchet are assembled together at an assembling portion of the pressing member, and teeth of the ratchet engage with a pawl of the cutting member such that the pressing member, the holding member and the ratchet have different pivot points. An opening between the blade and the anvil is smaller than an opening formed between the handle and the holding member. Since the opening formed between the handle and the holding member is larger than the cutting opening between the blade and the anvil, a stronger cutting torque is applied to increase the clipping strength derived from the anvil and the blade.

A method and device for production of stampings with an almost smooth cutting and enlarged functional surface, especially fine blanking and / or forming a workpiece out of a flat strip, wherein flat strip is clamped between an upper part consisting of a shearing punch, a pressure pad, a V-shaped projection and an ejector arranged on the pressure pad, and a lower part consisting of cutting die, ejector and an inner form stamp. By adjusting the state of stress in the cutting zone to a position oriented compressive stress by movement slightly retarded with regard to movement of the shearing punch additionally pressing in material in a direction almost perpendicular to the cutting direction by a tool element acting with controlled force depending on the part geometry and thickness of the workpiece parallel to the cutting line between shearing punch and cutting die, tears at cutting and reduced rollover are achieved.

An indoor unit of an air conditioner is provided. The indoor unit has an improved airflow structure, for a rapid air conditioning of the room, a user's convenience, and an efficiency of the air conditioner.

The invention discloses a modularized flux switching permanent magnet (FSPM) motor, which is used for solving the problem of such a motor in which a permanent magnet is placed in a rotor. The motor comprises a stator and a rotor and adopts an inner rotor mode or an external rotor mode. The stator and the rotor are respectively a convexo-convex pole and slot structure. A magnetic module and a centralized armature winding are arranged on the stator; the magnetic module comprises one male concentrating flux iron core and one female concentrating flux iron core of the stator as well as a permanent magnet embedded in the stator; and the rotor is not provided with a permanent magnet and a winding. The motor has the beneficial effects that the structure is simple, compact and stable, and the volume is small; the windings are high in slot fullness, the resistance and the copper consumption are decreased and the efficiency is higher; the linear charge density, the torque output capacity and the power density are improved; the magnetic flux gathering effect exists, and the no-load air gap magnetic density is higher; and the armature reaction flux is vertical to the permanent magnet flux in space, and the stronger demagnetization-resisting capacity is ensured.

The invention provides a single-phase cylindrical linear vibration motor, which comprises a motor stator, a motor rotor and a bearing, wherein the motor stator comprises three U-shaped stator cores, two non-magnetic circular rings and three concentric winding coils; the motor rotor comprises a rotor sleeve, four rotor teeth and five permanent magnet rings; the motor stator part and the motor rotor part are in clearance fit, namely the three concentric winding coils are horizontally arranged; U ends point to the bearing; and the concentric winding coils and the rotor teeth are oppositely arranged. According to the single-phase cylindrical linear vibration motor provided by the invention, a rotor yoke part is omitted; the motor manufacturing process is simplified; the slot utilization rate is improved; the propulsive force of the rotor is increased; the sealing property is good; the structure is simple and firm; the end effect and the normal magnetic pull force of the motor are removed; the motor reliability is high; the requirements of sports occasions of reciprocating linear vibration can be met; and the single-phase cylindrical linear vibration motor is suitable for popularization and application in industrial linear vibration.

An electromagnetic interference (EMI) shielding enclosure (1) for a portable electronic device includes a first layer (10) and a second layer (12). The first layer is adjoins an underside of the second layer. The first layer includes an interface layer (101) and an inside layer (102) in which a great number of metal particles (1020) or thin metal plates are embedded. The second layer is joined with the interface layer of the first layer. Because the second layer and the interface layer are made of the same plastic material, very strong adhesion therebetween can be obtained. Moreover, the second layer is outside the first layer, the second layer protects the inside layer from impact and wear. As a result, EMI generated by the portable electronic device inside the EMI shielding enclosure reliably shielded over a long period of time. The present invention also discloses a method for making the shielding enclosure.

The present invention is intended to provide a turbidimeter having a simple and sturdy structure which is hard to break and exhibits excellent long-term stability by reducing a number of sealing positions, wherein a cylindrical sensor head forming a measurement space is formed of an optically-transparent material. A side wall of the sensor head has accommodating spaces for accommodating a light source, transmitted light detector, and scattered light detector. An inner surface of the side wall of the sensor head is configured to serve as: an optical window for guiding inspection light to the measurement space; an optical window for guiding transmitted light to the transmitted light detector; and an optical window for guiding scattered light to the scattered light detector.

A cam jack has an L-shaped unitary body portion, with a lever arm and a cam finger and an elbow formed between them. A pair of rollers are supported on an axle that is affixed at the elbow. A socket or fitting formed at the proximal end of the lever arm allows a lever handle to be removably attached. The cam finger is oriented at a near right angle to the lever arm. When the lever arm is disposed vertically, the cam finger can be positioned under the item to be lifted, and then as the lever arm is rocked downward as lobe tip of the cam finger urges the item upward. When the lever arm is positioned horizontally against the floor, the lobe tip is displaced outward past the axle of the rollers, so there is an over the center action holding the cam jack stable while supporting the load. An additional set of rollers can be present so the device may be used as a dolly.

A de-icicling tool has an icicle removing head mounted onto the distal end of an elongated handle. The head is formed of a generally flat blade and a mounting sleeve to that fits onto the distal end of the handle. The blade member has a series of triangular teeth in a concave arc along the front with each tooth having a point and beveled edges which meet at the associated point. The points of the teeth are rounded. The blade has at least one generally triangular notch formed along its rear thereof, each notch having a pair of beveled edges. There is one or more one round aperture in the blade, each with a beveled edge and with a diameter of three to five centimeters. The mounting sleeve includes a threaded socket adapted to accept a male thread of a standard broom handle or paint pole.