36results about How to "Tension" patented technology

An electric toothbrush includes a grip portion, a brush portion, and a joint arrangement for connecting the two portions. The joint arrangement has an upper cylinder portion and a lower cylinder portion, with an axis of the upper cylinder portion being inclined a predetermined angle with respect to an axis of the lower cylinder portion. The grip portion is connected to the lower cylinder portion and the brush portion is connected to the upper cylinder portion, so that the grip portion and the brush portion are inclined by the predetermined angle.

An instrument for holding a surgical tool or bone implant includes a handle with a bearing surface formed in one end for engaging the surgical tool. An elastically deformable plate is mounted on the handle body the plate having a catch element formed on a leading end thereof adapted to engage a coupling element formed on the surgical tool. The elastically deformable plate includes a cam follower formed in a recess thereon and includes a deformable spring section intermediate the can elements and the plate end with the catch element. An elongated pivotable loading member is rotatably mounted on the handle body. The loading member includes a cam surface for engaging the cam follower surface on the deformable plate. The cam surface on the loading member is shaped to elastically deform the elastically deformable plate section in a direction away from the plate catch element to thereby load and maintain a connecting force between the plate and the surgical tool or bone implant.

A vascular intervention device delivery system, such as for implanting a self expanding stent, includes a thumbwheel rotatably mounted in a handle. The thumbwheel includes a radially outward thumb surface. A catheter has a proximal end attached to the handle, and a distal carrier segment for mounting a vascular intervention device thereon. A retractable sheath is movable from a first position covering the distal carrier segment to a second position retracted proximally uncovering the distal carrier segment. A pull extends between the thumbwheel and the retractable sheath. A holding mechanism is operably positioned between the handle and the thumbwheel, and includes a wedge pin trapped to move in a wedge shaped cavity between a wedged position that prevents the thumb wheel from rotating, and an unwedged position that permits the thumbwheel to rotate to facilitate deployment of a self-expanding stent.

Kit of building blocks for constructing educational electronic circuits comprising a ferromagnetic base plate (10) with the diagram (21) of the circuit to construct. A transparent plastic sheet (30) covers the diagram. A group of magnets (40, 41) rest on the plastic sheet attracted by the plate (10). The surface of the magnets (40, 41) is electrically conducting. A plurality of building blocks can be detachably mounted on the magnets (40, 41), each magnet (41) connecting the steel sheets (702) of the building blocks that rest on it. The steel sheets of the blocks are designed so that the attraction forces that arise between the magnets and the sheets drive the modules exactly to a desired equilibrium position.

Kit of building blocks for constructing educational electronic circuits comprising a ferromagnetic base plate (10) with the diagram (21) of the circuit to construct. A transparent plastic sheet (30) covers the diagram. A group of magnets (40, 41) rest on the plastic sheet attracted by the plate (10). The surface of the magnets (40, 41) is electrically conducting. A plurality of building blocks can be detachably mounted on the magnets (40, 41), each magnet (41) connecting the steel sheets (702) of the building blocks that rest on it. The steel sheets of the blocks are designed so that the attraction forces that arise between the magnets and the sheets drive the modules exactly to a desired equilibrium position.

The invention provides a method and apparatus that precisely and efficiently improves the optical properties of an optical fiber grating. Preferably hydrogen loading processing, grating formation processing that forms a grating part by irradiation with ultraviolet light at a predetermined period, and preferably dehydrogenation, adjusting the optical properties by a suitable combination of uniform ultraviolet irradiation processing that irradiates the grating part as a whole with ultraviolet light and heat trimming processing, and finally heat aging is carried out.

An elevator comprisinga hoistway;an elevator car vertically movable in the hoistway;a counterweight vertically movable in the hoistway;at least one tightening wheel located in the lower end of the hoistway;at least one rope wheel located in or at least in proximity of the upper end of the hoistway;a first roping interconnecting the car and counterweight and passing around the at least one rope wheel located in or at least in proximity of the upper end of the hoistway;a second roping interconnecting the car and counterweight and passing around the at least one tightening wheel, the tightening wheel being mounted movably back and forth in a first direction towards the second roping, and in a second direction away from the second roping; andmeans for exerting force on the tightening wheel to move it in the first direction so as to tighten the second roping.The elevator further comprises means for limiting the movement speed of the tightening wheel towards the first direction and the second direction.

An instrument for holding a surgical tool or bone implant includes a handle with a bearing surface formed in one end for engaging the surgical tool. An elastically deformable plate is mounted on the handle body the plate having a catch element formed on a leading end thereof adapted to engage a coupling element formed on the surgical tool. The elastically deformable plate includes a cam follower formed in a recess thereon and includes a deformable spring section intermediate the can elements and the plate end with the catch element. An elongated pivotable loading member is rotatably mounted on the handle body. The loading member includes a cam surface for engaging the cam follower surface on the deformable plate. The cam surface on the loading member is shaped to elastically deform the elastically deformable plate section in a direction away from the plate catch element to thereby load and maintain a connecting force between the plate and the surgical tool or bone implant.

A pressure vessel including a boss, liner, and shell to create a vessel capable of storing high-pressure fluids with minimal weight. The boss includes a through aperture and at least one recess to receive at least one fastener. The liner includes an interior surface, an exterior surface, and an annular insert to receive the fastener(s). The interior surface defines an interior cavity of the pressure vessel. The liner is configured to secure the boss to its exterior surface using the fastener(s) and the annular insert. After securing the boss to the liner, the composite wrap is applied to the boss and liner so as to surround the liner and at least a portion of the boss.

The invention concerns a storage apparatus for rod-shaped articles, including a housing with a closable opening for filling and emptying the storage apparatus, wherein within the housing is arranged a flexible belt element which is designed for variable adjustment of a storage space depending on the fill level, which is distinguished in that the storage apparatus is designed for filling with a multi-layer, disorderly mass flow. Furthermore, the invention concerns an apparatus and a method for filling a corresponding storage apparatus.

The name of the present invention is a lamination tooling for motor stator cores, and relates to a tooling used for lamination of motor stator cores. It is mainly to solve the problem that the existing motor stator core lamination tooling cannot meet the requirements of the core lamination coefficient and the unevenness of the groove shape after lamination. question. The present invention includes a pressure tire arranged in the center hole of the base and a pressure die disposed on the other end of the pressure tire, and is characterized in that the pressure tire is a cylindrical body provided with upper and lower pressure plates, and the pressure tire is arranged in the center of the cylindrical body along the axial direction A support column is provided, and the two ends of the support column are respectively fixed on the upper and lower pressure plates, and fixed ribs and movable ribs are arranged on the outer wall of the tire cylinder, and the two ends of the fixed ribs and the movable ribs are respectively fixed on the upper and lower pressure plates. The pressure tire of the present invention has the functions of positioning and tensioning, can ensure the irregularity of the groove shape after the iron core is laminated, and is convenient for hoisting and dismounting;

The invention discloses an energy-saving and environment-friendly singeing device for printing and dyeing, which comprises a fixed plate, an air intake pipe is connected through the middle of the inner cavity of the fixed plate, one end of the air intake pipe is fixedly connected with a suction fan, and one end of the air intake pipe penetrates and extends to The inner cavity of the water tank, the water tank is fixed on the top of the fixed plate, one end of the air intake pipe is fixedly connected with a heat pipe, one end of the heat pipe is fixedly connected with an air pipe, and the end of the air pipe away from the heat pipe runs through the inner cavity of the water tank and extends to the water tank Externally, the end of the gas delivery pipe away from the heat pipe is fixedly connected to the air inlet on one side of the filter box. This energy-saving and environment-friendly singeing device for printing and dyeing can not only clean up all the toxic gases generated during singeing, but also remove The residual heat inside the poisonous gas produced during singeing is fully utilized, so that the singeing device for printing and dyeing can achieve the purpose of energy saving and environmental protection.

A hydraulic component includes a component housing and a connection block. The component housing has an outer surface and an axial bore. At least one connecting channel extends from the outer surface to the axial bore. The connection block has a housing side with at least one connection bore, where the connection bore is in fluidic connection with the at least one connection channel. The outer surface of the component housing has a non-planar shape at least in the area of the at least one connecting channel, where at least one connecting bushing with a through hole is received in the at least one connecting channel and extends into the at least one connecting bore.

In an apparatus for fixing a switching device (13) on stock rails (5) of a switch, comprising a mounting for the switching device that can be fixed on the stock rails (5), the mounting is formed by a rigid frame (7) which is designed to be connected transversely to the rail longitudinal direction of the two stock rails (5) and fixed to the rail stem of the stock rails (5).

Recess portions (15) and (16) are disposed in a seat-belt sliding face (14) of a seat-belt sliding member (13), and a predetermined number of projections (17) are provided independently of each other in a dotted state in the recess portions (15) and (16). In each of the projections (17), sliding resistance between a seat belt (4) and the seat-belt sliding member (13) in a normal time is small, and the sliding resistance between the seat belt (4) and the seat-belt sliding member (13) when the seat belt (4) slides to the lap belt (4c) side is larger than the sliding resistance between the seat belt (4) and the seat-belt sliding member (13) when the seat belt (4) slides to the shoulder belt (4b) side. By means of the dotted-state projections (17), extension of the lap belt (4c) in an emergency is suppressed.

The invention discloses a packing and fixing device for patella fracture. The packing and fixing device for patella fracture comprises fixing bands, locking buckles, and a guiding device. The fixing bands are flexible structures. The fixing bands are wrapped around the patella under the guidance of the guiding device, and at least one fixing band crosses the fracture crease. Both ends of the fixing band are connected and tightened by the locking buckles. In the invention, fixing bands are used to wrap and fix the patella, so that the fractured patella fragments can be firmly closed together. The stress of each fracture surface is balanced, and the fracture dislocation and crease opening can be avoided. Moreover, the fixing bands and the locking buckles have thin thickness, thereby avoidingtissue protrusion and producing discomfort, so that the healing time of fractures can be shortened. The use of absorbable materials solves the problem of the need for secondary surgery to remove theimplant. The minimally invasive surgery using guide needle traction significantly reduces the difficulty of surgery and saves half of the operation time compared to traditional surgeries.

The invention provides a facial cleanser containing Nitraria tangutorum polysaccharide, comprising the Nitraria tangutorum polysaccharide, chamomile extract, aloe extract and the like. Studies show that the combination of the Nitraria tangutorum polysaccharide with components such as the chamomile extract and aloe extract gives synergistic effect after using, hydrating effect is significantly enhanced, and the facial cleanser has skin care action significantly better than those added with the chamomile extract and aloe extract alone.

An optoelectronic semiconductor body has a substrate that includes a strained layer that is applied to the substrate in a first epitaxy step. The strained layer includes at least one recess formed vertically in the strained layer. In a second epitaxy step, a further layer applied to the strained layer. The further layer fills the at least one recess and covers the strained layer at least in some areas.

The purpose of the present invention is to provide a cushion structure for a vehicle seat, the cushion structure allowing the hardness of the cushion to be adjusted according to an occupant's preference by simple operation. The present cushion structure for a vehicle seat has: a band (41) consisting of a flexible material, the band (41) being provided below the lower surface (1b) of a cushion foam and extending in the longitudinal direction of the seat; and a tension adjusting mechanism (5) for adjusting the tension of the band (41) consisting of a flexible material. The tension adjusting mechanism (5) adjusts the hardness of the cushion foam (1) by adjusting the tension of the band (41) consisting of a flexible material.

The invention belongs to coal mine winch dispatching equipment, particularly discloses a dispatching winch system, and solves the problems that counterweight dispatching winch equipment is difficult to maintain, danger coefficient of an operator performing overhead working is high, the time for the operation process is long and the steel wire rope tension is insufficient. The dispatching winch system comprises a dispatching winch and a tractor, wherein the dispatching winch is connected with the tractor through a steel wire rope II; a drum of the dispatching winch is wound with the steel wire rope II; two ends of the steel wire rope II bypass a plurality of guide pulleys respectively to be connected with an advancing end and a retreating end of the tractor; the dispatching winch system further comprises a civil foundation and hydraulic control systems fixed on the civil foundation; and the two sets of hydraulic control systems are connected with the steel wire rope II located on two sides of the dispatching winch respectively. The dispatching winch system is high in automation degree, complete in intelligent protection, simple to operate and safe and stable in operation and does not have high requirements for the operating environment.

The invention discloses an all-terrain shock-absorbing suspension compound crawler robot mobile platform, which comprises a disk frame and crawler belt traveling mechanisms fixed on both sides of the disk frame. The load-bearing wheels on the robot mobile platform are floatingly installed on the disk frame through the Christie suspension frame, which can well reduce the impact of the uneven road surface on the robot body, and has good cushioning and shock absorption performance. The sprockets at both ends of the track not only play the role of driving and positioning, but also the sprockets at both ends are suspended on the frame through two first suspension arms arranged in a figure-eight shape, and the upper end of the first suspension arm and the frame can rotate Connected, the lower end is elastically suspended on the upper frame through the first elastic body, and after assembly, the first elastic body is in a stretched state, and this structure also makes the two sprockets play the role of tightening the track. The wheelbase between the two sprockets can automatically adjust the front and rear wheelbases according to the terrain and the platform load. Through real-time adjustment, the track has tension and does not come off, ensuring that the robot can work effectively and stably.

An optoelectronic semiconductor body has a substrate that includes a strained layer that is applied to the substrate in a first epitaxy step. The strained layer includes at least one recess formed vertically in the strained layer. In a second epitaxy step, a further layer applied to the strained layer. The further layer fills the at least one recess and covers the strained layer at least in some areas.

The invention discloses a cleansing stick and a preparation method thereof. The cleansing bar comprises the following components in parts by weight: 5-15 parts of glycerin; 10-20 parts of 1,3-butylene glycol; 33-60 parts of surfactant; 1-8 parts of sodium stearate; 2 parts of stearic acid ‑5 parts; Candelilla Wax 2‑5 parts; C12‑15 Alkyl Benzoate 5‑10 parts; Skin Conditioner 0.9‑2 parts; Adsorbent 2.2‑6.4 parts; Silica 0.9‑1.5 parts; Surfactants include at least two of sodium cocoyl isethionate, sodium C14‑16 olefin sulfonate, sodium methyl cocoyl taurate, coco‑betaine; skin conditioning agents include panthenol , allantoin, bisabolol, and vitamin E acetate; the adsorbent includes at least one of diatomaceous earth and volcanic ash. The cleansing bar of the present invention has an excellent cleansing effect and at the same time has the advantage of soothing the skin.