10930results about How to "Improve shock absorption" patented technology

An intervertebral implant, an installation tool, and related methods are provided for ensuring a minimum distance between two vertebrae. The implant can comprise a pair of opposing body portions and an expansion component. The expansion component can rotate relative to the body portions in order to urge a head portion thereof against one or more inclined contact surfaces of at least one of the body portions. In this manner, the body portions can be separated, thereby increasing a height of the implant. The installation tool can comprise a plurality of components that can be moved relative to each other to facilitate expansion or contraction of the implant.

The invention is directed to a midsole assembly for footwear which includes medial and lateral unsymmetrical stabilizing pods disposed between shock absorbing upper and lower deflectable plates positioned at the heel portion of the midsole. The bottom surface of the heel portion of the midsole includes an axially aligned deflection platform defined by a concave surface. The upper shock absorption plate is disposed adjacent the bottom surface of the midsole and includes an aperture therethrough which is adapted to receive the deflection platform. The bottom plate includes a deflectable concave segment which is aligned with and adapted to engage the deflection platform of the midsole and be urged downwardly upon the imposition of force upon the midsole by the user's foot. The medial and lateral stabilizing pods are mounted between the upper and lower plates along the medial and lateral sides of the heel portion of the midsole and are respectively adapted to dynamically respond to the forces imposed on the medial and lateral sides of the heel. To control pronation and supination of the shoe and user's foot, the hardness of the medial stabilizing pod may be greater than that of the lateral stabilizing pod.

Artificial disc devices are disclosed that restore correct anatomical intervertebral spacing for damaged discs while maintaining a substantially normal range of biomechanical movement for the vertebrae between which they are implanted. The disc devices include center bearing and outer or annular bearing portions with the center bearing portion including generally axially extending locating surfaces which cooperate with the facing vertebral surfaces to resist migration. The outer bearing portion is for load bearing or load sharing with the center bearing portion and includes surfaces that extend radially toward the periphery of the vertebrae so that subsidence about the center bearing portion is minimized. Alternate forms of the disc devices include one with an axially enlarged center ball bearing having an annular ring bearing extending thereabout and another having upper and lower plate members with a central bumper member and a surrounding resilient annular member therebetween.

The invention discloses a vehicle-mounted type gas turbine generator set which comprises a chassis, a power bin, an electrical bin, a gas inlet filtering system, a ventilation filtering system and hydraulic leveling systems. The power bin, the electrical bin, the gas inlet filtering system and the ventilation filtering system are arranged on the chassis. The hydraulic leveling systems are arrangedon the two sides of the lower portion of the chassis. The power bin and the electrical bin are arranged at the two ends of the chassis correspondingly. The gas inlet filtering system is arranged on the top of the power bin. The ventilation filtering system is arranged on the top of the electrical bin. A gas turbine, a generator, a gearbox and a start motor are installed in the power bin. The vehicle-mounted type gas turbine generator set has the advantages that by selecting the chassis with proper bearing capacity and excellent damping performance and integrating the high-power generator seton the chassis through reasonable space optimized layout, the vehicle-mounted type gas turbine generator set is high in output power, convenient to transport and move, quick to install on site and high in adaptability.

A golf club head includes a body having a striking plate and an assembling portion, a first elastic weight member including an elastic matrix and a metal powder mixed in the elastic matrix, and a second elastic weight member including an elastic matrix and a metal powder mixed in the elastic matrix of the second elastic weight member. The second elastic weight member includes a specific density and an elastic coefficient different from those of the first elastic weight member. The first elastic weight member and the second elastic weight member are mounted in the assembling portion of the body to form a golf club head. The first elastic weight member and the second elastic weight member adjust a center of gravity of the golf club head and provide an elastic vibration-absorbing effect.

A walking brace for immobilizing and / or protecting the lower leg of a patient comprises a leg portion adapted to fit substantially around the lower leg of a patient and a sole portion that fits beneath the patient's foot. The sole portion is provided with a dual layer of resilient shock absorbing material disposed along its bottom surface. The dual layer comprises an upper layer of a relatively softer material and a lower layer of a relatively more durable material. The dual layer can provide good shock absorbency but can be made thinner to provide a lower profile. In another aspect of the invention, the walking brace is provided with one or more inflatable air cells to provide adjustable therapeutic pressure to the leg and the leg portion of the brace is in the form of a rigid shell provided with a protruding region for receiving the air cell outlet associated with each air cell such that the air cell outlet is directed toward the front of the walking brace for easy access by the user. In yet another aspect of the invention, the rigid shell member of the leg portion is provided with one or more longitudinal slits that allow expansion of the leg portion to accommodate an enlarged lower leg portion of a patient. The expanded leg portion can accommodate users with enlarged lower limbs, such as those suffering from severe edema.

The disclosure is directed to a resilient implant for implantation into human or animal joints to act as a cushion allowing for renewed joint motion. The implant endures variable joint forces and cyclic loads while reducing pain and improving function after injury or disease to repair, reconstruct, and regenerate joint integrity. The implant is deployed in a prepared debrided joint space, secured to at least one of the joint bones and expanded in the space, molding to surrounding structures with sufficient stability to avoid extrusion or dislocation. The implant has opposing walls that move in varied directions, and an inner space filled with suitable filler to accommodate motions which mimic or approximate normal joint motion. The implant pads the damaged joint surfaces, restores cushioning immediately and may be employed to restore cartilage to normal by delivering regenerative cells.

The invention discloses a five-axle linkage digital-control processing centre which comprises a lathe bed (10) and a portal frame (30), wherein the portal frame (30) comprises a left portal upright post (32), a right portal upright post (32) and a fixing portal crossbeam (35), and the front part of each portal upright post (32) is provided with a direct driving type double-shaft precise rotating table (20) which enables a working table (26) to simultaneously rotate round an A shaft and a C shaft. Furthermore, the portal frame (30) is provided with a crossbeam (40) which can move along the Y direction, the front part of the crossbeam (40) is provided with a slide carriage (50) which can move along the X direction, the front part of the slide carriage (50) is provided with a main shaft box (60) which can move along the Z direction, the main shaft box (60) is provided with a main shaft installing hole (66) used for installing a main shaft (70), and a tool magazine (80) is arranged in a cavity positioned between the lathe bed (10) and the portal frame (30). The invention has novel structure, small occupied area, space saving, low cost and stable operation and property. Besides, a motion shaft of a machine tool has high dynamic property, regulating property, positioning precision and repeated positioning precision.

A semiconductor device includes a plurality of semiconductor integrated circuits bonded to a structure body in which a fibrous body is impregnated with an organic resin. The plurality of semiconductor integrated circuits are provided at openings formed in the structure body and each include a photoelectric conversion element, a light-transmitting substrate which has stepped sides and in which the width of the projected section on a first surface side is smaller than that of a second surface, a semiconductor integrated circuit portion provided on the second surface of the light-transmitting substrate, and a chromatic color light-transmitting resin layer which covers the first surface and part of side surfaces of the light-transmitting substrate. The plurality of semiconductor integrated circuits include the chromatic color light-transmitting resin layers of different colors.

The invention relates to a method for manufacturing a rubber sole material, in particular to a method for manufacturing a medium- and high-grade sport shoe sole with higher requirements on shock resistance and wear resistance. The high shock-resistant, wear-resistant sport shoe sole material consists of butadiene rubber, natural rubber, styrene butadiene rubber, brominated butyl rubber, softening oil, a reinforcing agent, an activating agent, a coupling agent, a vulcanizing agent, a vulcanization accelerator, a tackifier and an age resister. On the basis of the rubbers, the softening oil and the reinforcing agent, a series of the high shock-resistant, wear-resistant shoe sole materials are prepared by screening rubber composition ratio, the coupling agent, the accelerator and an active agent and controlling the process reasonably; and in a dynamic viscoelastic property test, the maximum value of a dissipation factor is 0.3 to 0.5, and the DIN abrasion is less than or equal to 120 mm<3>. The high shock-resistant, wear-resistant shoe sole material has the advantages of alleviation of the shock to a brain during a strenuous exercise, high shock resistance, high wear resistance, improvement on wet skid resistance and increase of comfortableness during the strenuous exercise.

An improved closed-cell foam sheet stock and method for producing constant force characteristics in elastomer cushions. A closed cell foam is formed as a corrugated cardboard with regular cavities and support elements between two surface sheets. The resulting stock material possesses similar flexibility to foam stock but with an elongated force curve. A method for modifying this or other corrugated elastomers for efficient constant force curves is further provided where alternating support members are conjoined or buttressed to fold in controlled sigmoid shape under load. The resulting collapsible truss or space frame structure produces a cushion with improved cushioning, load distribution, shock absorption and resistance from lateral collapse while folding uniformly and efficiently to a smooth, compact and comfortable support under full compression. The orthopedic constant force profile allows uses in shoes, furniture, mattresses, sports padding, aircraft seats or packaging applications and extends the dynamic range of more resilient elastic, plastic or foam materials including very lightweight closed cell foam. For packaging applications both the collapsing truss or the less sophisticated corrugated profiles provide lighter weight and improved impact absorption over solid closed-cell foams.

A prosthetic foot device includes an elongated upper forefoot portion, an ankle portion, and a lower footplate. The forefoot portion can extend rearwardly through an upper attachment section, downwardly through an ankle section, forwardly through an arch section, and to a toe section. The ankle portion can attach to the forefoot portion, and can extend rearwardly through an upper attachment section, downwardly through an ankle section, forwardly under the ankle section of the forefoot portion, and rearwardly to a heel section, in a substantial s-shaped profile. The lower footplate can attach to the ankle or forefoot portion, and can extend through a heel section, an arch section, and to a toe section. The upper forefoot, the ankle portion, and the lower footplate each being flexible to store energy and resilient to return energy.

A chassis structure for a mid-wheel drive power wheelchair includes a pair of restricting racks each having a first restricting plate and a second restricting plate. Each restricting plate has a slot at a central portion thereof. A first fixing member is inserted through one end of the first restricting plate and the slot of the second restricting plate, and a second fixing member is inserted through one end of the second restricting plate and the slot of the first restricting plate, so that the two restricting plates overlap to extend and restrict with each other for maintaining a steady and balancing ride.

A prosthetic foot device includes an elongated upper forefoot portion and a shock absorbing ankle portion. The forefoot portion can extend from an upper attachment section, downwardly through an ankle section, forwardly through an arch section, and to a toe section. The ankle portions can include at least two substantially straight sections including a first section extending downwardly and forwardly under the ankle section of the forefoot portion, and a second section extending downwardly and rearwardly to a heel section positioned at a heel location of a natural heel.

An iron golf club head has a faceplate for hitting a golf ball, the faceplate having a back face; a viscoelastic body fixed onto the back face of the faceplate; and a backplate for sandwiching the viscoelastic body with the faceplate, the backplate having a flange that extends out of the periphery of the viscoelastic body and is fixed onto the back face of the faceplate.

An earplug-type earphone is disclosed including: an earplug (10) for producing sound and an elastic support (30). The earplug (10) includes a front housing (200) and a rear housing (500) connected in that order. The elastic support (30) is positioned on an outer side of the rear housing (500). When the earplug (10) is inserted in the external auditory canal, the elastic support (30) is pressed and deformed and then applies resilience to the helix, by which the earplug can be stably positioned in the external auditory canal.

The invention relates to the field of household appliance, in particular to a shock absorber and a washing machine. The shock absorber comprises a sleeve with an opening in one end and a first plunger. One end of the first plunger is fixed, and the other end of the first plunger is inserted into the sleeve from the opening. The first plunger can slide along the sleeve. A friction plate in friction fit with the first plunger is arranged between the first plunger and the sleeve. The sleeve is provided with an elastic part and a second friction slide device which is connected with the elastic part and can slide relative to the sleeve in a friction manner. When the movement, relative to the sleeve, of the first plunger exceeds are preset position, the first plunger is abutted against the second friction slide device and compresses the elastic part. By the structure, the shock absorber is good in shock absorption performance, long in service life and capable of lowering the risk of shock absorption failure caused by large friction.

The invention discloses an environmental protection restoration device for municipal landscaping soil, which comprises a processing box, the processing box is a cylindrical body, a feeding pipe is arranged at the upper left end of the processing box, a feeding hopper is arranged at the upper end of the feeding pipe, and a feeding hopper is arranged at the upper end of the feeding pipe. There is a crushing roller in the bucket, a crushing motor is fixed in the middle of the upper end of the processing box, a crushing shaft is set at the output end of the crushing motor, movable crushing knives are arranged symmetrically on both sides of the crushing shaft, and several fixed crushing knives are arranged in an array inside the processing box. The knives, the fixed pulverizing knives and the movable pulverizing knives are distributed at cross intervals. The structure of the invention is simple and reasonable, the shock absorption effect is good, and it is easy to carry. The size of the soil particles when mixed with the remediation fluid helps to ensure the remediation effect of the soil, and the unqualified soil will enter the collection box, and then be sent back by the lifting cylinder, so as to realize the circular crushing of the soil, which has strong practicability.

The invention discloses a thermoplastic light compound plate and the manufacturing method, characterized in that it comprises acupuncture fiber carpet dipped in double faced foam of thermoplastic glue liquid and thermoplastic glue liquid layer coated on the surface, the density of compound plate is 0.35-0.90g / cm3, the weight of fiber scattered in bunchiness is 15-45% of acupuncture fiber carpet. The merit of invention is very remarkable. Special super long fiber and bunchiness fiber with certain proportion are maintained in the material so that the mechanical performance of material can be improved. In addition, the material is provided with foam structure, very good effect of heat and sound insulation. The invention is also provided with environmental protection and recovery.

The invention is directed to a midsole assembly for footwear which includes medial and lateral unsymmetrical stabilizing pods disposed between shock absorbing upper and lower deflectable plates positioned at the heel portion of the midsole. The bottom surface of the heel portion of the midsole includes an axially aligned deflection platform defined by a concave surface. The upper shock absorption plate is disposed adjacent the bottom surface of the midsole and includes an aperture therethrough which is adapted to receive the deflection platform. The bottom plate includes a deflectable concave segment which is aligned with and adapted to engage the deflection platform of the midsole and be urged downwardly upon the imposition of force upon the midsole by the user's foot. The medial and lateral stabilizing pods are mounted between the upper and lower plates along the medial and lateral sides of the heel portion of the midsole and are respectively adapted to dynamically respond to the forces imposed on the medial and lateral sides of the heel. To control pronation and supination of the shoe and user's foot, the hardness of the medial stabilizing pod may be greater than that of the lateral stabilizing pod.

The invention relates to a multimode organic filter / polymer composite damping material and a manufacturing method thereof, relates to the field of soundproof materials, aims to solve the problems that in the prior art high efficient soundproof materials do not have a prominent effect, and generate harmful gas, which harms the human health; and provides a multimode inorganic filler / polymer composite damping material. The damping material comprises the following materials: thermoplastic resin and an inorganic filler, which has been subjected to a surface treatment with a coupling agent processing fluid; wherein the inorganic filter accounts for 15 to 80 wt% of the total weight of the damping material, and the balance being thermoplastic resin. In the damping material, the binding between each particle is abnormal, thus the internal friction between incident sound waves in this structure is effectively increased, thus a relaxation effect is generated, and the sound is absorbed. Fillers with different particle sizes are corresponding to sound waves in different bandwidths or frequencies, so sounds in different frequencies can all be absorbed by the damping material, and moreover the damping material has a good soundproof effect, and is suitable for promotion and application.

A landing shock absorbing device 18 disposed in a foot mechanism 6 of a leg of a robot, wherein an inflatable bag-like member 19 (variable capacity element) is provided at a bottom face side of the foot mechanism 6. The bag-like member 19 is constructed of an elastic material such as rubber. The air in atmosphere may flow into and out of the bag-like member 19 by inflow / outflow means 20 equipped with a solenoid valve 27, and the like. In a lifting state of the foot mechanism 6, inflow of the air into the bag-like member 19 is controlled, thereby controlling the final height of the bag-like member 19 in an inflated state to the height in response to a gait type of the robot. While properly reducing an impact load during a landing motion of the leg of a legged mobile robot depending on the gait type of the robot, stability of a posture of the robot may easily be secured, resulting in allowing a configuration to be lighter in weight.

A mouthguard for use by athletes in competition and the like, including a first portion formed from a ethylene vinyl acetate copolymer material and having a teeth engaging shape and having a freezing point of less than 130° F. The first portion is formed into a tray having a generally U-shape with a tab extending out from the tray. The tray has a plurality of holes therein. A second portion formed from a block styrene copolymer is mounted on the first portion such that part of the second portion extends through the plurality of holes in the first portion to lock the two portions together. The second portion is formed from a gel material having sufficient softness to protect the user from damage during use in the athletic competition.

Disclosed is a resettable roll-in type swinging seismic-isolation pier stud with flanges. The resettable roll-in swinging seismic-isolation pier stud is of a resettable seismic-isolation structure. The seismic-isolation pier stud comprises a main beam, piers, bearing platforms, semi-protruding spherical pier bottoms, pier flanges, rubber spacers, hollowed semispherical bearing platform tops, shape memory alloy shear bolts and oblique-section stoppers. The fixed connection of the piers and the bearing platforms is changed into swingable hinge connection. The spherical pier bottoms of the piers are embedded in the hollowed hemispheres of the bearing platform tops. The pier flanges are arranged on two sides of the upper portions of the spherical pier bottoms and are in anchorage connection with the bearing platforms via the shape memory alloy shear bolts. The rubber spacers are arranged between the semi-protruding spherical pier bottoms and the hollowed semispherical tops and between the bearing platforms and the pier flanges as well as between the sides of the pier flanges and the bearing platform stoppers. The pier stud is separated from the foundation, and seismic energy can be filtered by swinging, so that the piers and the foundation are protected. The resettable roll-in type swinging seismic-isolation pier stud has excellent social and economic benefits and worthy of popularization and application.

The invention discloses a quick drying device for traditional Chinese medicine which is convenient for taking materials. It comprises a base, a No. 2 cylinder body and a No. 1 cylinder body. The No. 2 cylinder body is connected, and the No. 2 cylinder body and the No. 1 cylinder body are both cylindrical cylinder bodies. The diameter of the No. 2 cylinder body is larger than that of the No. 1 cylinder body. Support rods are symmetrically arranged on both sides of the lower end of the No. 2 cylinder body, and the lower end of the support rod slides The sleeve is provided with a support sleeve, and the inside of the support sleeve is provided with a built-in shock absorbing spring, which connects and fixes the support rod with the base. A crushing motor is fixed in the middle of the upper end of the No. 1 barrel. The structure of the present invention is simple and reasonable, and the shock absorbing effect is Well, the internal circulation of materials is realized, so that unqualified materials can be processed in time, and the heat in the exhausted hot air can be recovered and utilized. This internal circulation drying also reduces the pollution of the device to the environment and facilitates the discharge of materials.

The invention discloses an efficient damping device for mechanical equipment. The efficient damping device comprises a base, a mounting seat for mounting the mechanical equipment and a damping mechanism, wherein the mounting seat is arranged above the base; the damping mechanism is connected between the mounting seat and the base and comprises a telescopic rod, a first spring, a worm, a worm wheelring, a first connecting rod, an adjusting rod, a plurality of cylinder blocks, an adjusting plate, a second spring, a piston, a piston rod, a movable block and a second connecting rod; air sacs aremounted on the upper surface, on one side of each of the cylinder blocks, of the base; and a mounting mechanism is arranged on the mounting seat and comprises a first stepping motor, a first bevel gear, a second bevel gear and a clamping positioning block. The efficient damping device is provided with the damping mechanism to realize efficient damping and adjust the initial compression amount andthe buffering strength of the second spring so as to be adapted to different buffering demands of mechanical equipment with different weight; the air sacs are arranged to improve the buffering effect;and the mounting mechanism is arranged to quickly clamp and position the mechanical equipment.

A roll-formed product is formed from a steel sheet having a tensile strength of not greater than 400 MPa and is locally reinforced. Such a roll-formed product is excellent in formability and shock absorbing ability and is of high strength. The roll-formed product can be used as, for example, a vehicle bumper. The roll-formed vehicle bumper can also be made at a lower cost.

The invention discloses a nursing bed for the gastroenterology department of the hospital. The nursing bed comprises a bed board, a base, support frames, sliding chutes, sliders, telescopic booms, extension springs, support barrels, support rods, a through hole, a movable baffle plate, an arc-shaped support plate, a backrest, a fixing block and a telescopic rod, wherein a connecting rod is arranged on the top of the telescopic rod, infusion bottle racks are arranged on the connecting rod, vertical rods are arranged at four corners of the base in a penetrating manner, rolling wheels are mounted at the lower ends of the vertical rods, limiting boards are arranged at the upper and lower ends of the vertical rods, and damping springs are arranged at the positions, on the outer parts of the upper and lower sides of the base, of the vertical rods; stabilizing devices are further mounted at the lower part of the base, and each stabilizing device comprises a connecting block, a screw rod and a cushion block. The nursing bed is reasonable in structure, convenient to use, and stable in height adjustment, the conversion between the moving state and the stable state of the bed body can be conveniently realized, a patient can relieve the bowels without the need of getting out of bed, the damping effect is good, the pressure born by the rolling wheels can be alleviated, and in addition, friction cushions can prevent the deviation of the nursing bed.

An air-packing device has an improved shock absorbing capability to protect a product in a container box. The air-packing device is comprised of first and second thermoplastic films where predetermined portions are bonded thereby creating a plurality of air containers, a plurality of heat-seal lands each sealing the first and second thermoplastic films in a small area of the air container thereby creating a plurality of series connected air cells for each air container, a plurality of check valves for corresponding air containers for allowing the compressed air to flow in a forward direction. The plurality of heat-seal lands at predetermined sides of the air-packing device create triangled areas of the air cells, and the air-packing device is folded at the heat-seal lands, thereby creating an inner space for packing a product therein.