69results about How to "Convenient and stable positioning" patented technology

A microcatheter system that allows for vascular infusion into retinal veins for extended periods of time. The microcatheter system includes a flexible cannula that is inserted into the retinal vein lumen and that remains stably within the retinal vein lumen without being held by a robot, micromanipulator or similar holding devices. The microcatheter system is particularly suitable for the treatment of retinal venous occlusive disease.

A maritime energy generating device including a windmill mounted on a floating foundation, the windmill having a machine compartment mounted at the top of a tower and the foundation being fixed to the bottom of a water body by a connection and including two tanks and a unit for shifting liquid between the tanks and the tanks and the surroundings.

A child's walker includes a pair of oppositely spaced A-frames provided with wheels conjoined to a lower portion thereof. Each A-frame has an apex centrally positioned above the wheels and pivotal about the apexes. A semi-spherical seat section is nested intermediate of the A-frames and includes an anchor bracket conjoined to an anterior surface thereof for maintaining the seat section at a stable position. The seat section has a pair of spaced openings for receiving the child's legs therethrough, and is formed from flexible, padded material. Such a seat section is adjustably pivotal about a horizontal fulcrum axis passing through the A-frame apexes. A tray is mateable to the anchor bracket and protrudes horizontally from the seat section. The tray is disengageable from the anchor bracket for assisting a caregiver to fold the walker to a compact shape during transport.

The invention discloses a punching device with a bidirectional punching function. The punching device comprises a base, a stand column fixed to the end face of the rear side of the base, and a punching mechanism arranged on the front end side of the stand column. A punching executing groove is formed in the end face of the front side of the punching mechanism, and a punching motor is fixedly arranged in the top wall in the punching executing groove. The bottom of the punching motor is cooperatively connected with an upper drill bit, and a lower drill bit is arranged at the position, corresponding to the upper drill bit, in the punching executing groove. A switching cavity is formed in the position, above the punching motor, in the punching mechanism. A first transmission cavity is formed in the position, below the upper drill bit, in the punching mechanism, and a second transmission cavity extending vertically is formed in the position, behind the punching executing groove, in the punching mechanism. A guide groove is formed in the inner wall of the front side of the switching cavity, and a switching driving threaded rod extending in the longitudinal direction is arranged in the guide groove. An inner spline shaft bush with the bottom end rotationally and cooperatively connected with the top end of the punching motor is arranged at the inner bottom of the switching cavity. The punching device is simple in structure, bidirectional punching can be achieved, the punching difficulty is lowered, the punching precision is improved, time and labor are saved, and the rejection rate is reduced.

The invention is concerned with the one-off femoral artery oppress hemostat and it includes: the pressure adjusting compasses, the center screw hole with adjustment screw that connects the compression compasses, the two opposite lead back fastener on the adjusting compasses, and the fixation band for the adjustment screw. It improves the quality and efficiency of henostasis dressing and reduces mistakes.

A container for a liquid nutritional product includes a thermoformed polymeric container body having a base and an upstanding sidewall defining a product space, the upstanding sidewall terminating at a peripheral flange. A cover is permanently sealed to the peripheral flange and an outlet is provided on an outlet region of the container body. The outlet defines a flow channel for the liquid nutritional product to leave the product space and, in a storage condition, the flow channel is directed at least partially downwards in a direction away from the cover and towards the base. For administration, the outlet region is deformable to an administration position where the flow channel is directed sideways in a direction parallel to the base.

An apparatus conjoinable to a vehicle antenna includes an anchor section formed from STYROFOAM (polystyrene) and provided with a vertically registered sleeve extending along a longitudinal axis. The sleeve extends upwardly from a bottom surface of the anchor and terminates subjacent to a top surface thereof. Coextensively shaped wing sections are conjoinable with the anchor section and equidistantly spaced about an outer surface thereof. A mechanism is included for positioning the apparatus about the vehicle antenna and allows for free rotation thereof in the wind. The apparatus positioning mechanism is disposed within the anchor section and is sized and shaped so that the anchor section can be maintained at a stable position during operating conditions. The apparatus positioning mechanism is formed from non-corrosive material.

The horizontal ducted wind turbine includes a power generator assembly adapted to be rotatably mounted to an elongate pole. At least one wind funnel assembly extends from one side of the power generator assembly. The wind funnel assembly includes an elongate funnel with a relatively large inlet at one end and a relatively small outlet at the opposite end in communication with a housing of the power generator assembly. A turbine is rotatably mounted inside the housing and a pair of generators is disposed on opposite ends of the turbine. The funnel passively compresses incoming wind to maximize wind velocity acting on the turbine to rotate the same causing the generator to produce energy. The wind funnel assembly can be provided with wings that facilitate stabilized positioning and self-orienting in response to changes in wind direction.

A tube connection assembly having an elastomeric tube defining a fluid channel therethrough, and a retention sleeve, composed of a cross-linked PEX material having memory retention properties, disposed around the distal portion of tube device. Prior to partial assembly, the retention sleeve is expanded about 15% to about 50% from an unexpanded natural condition to an expanded condition, enabling placement onto the tube device. The tube distal portion and disposed retention sleeve can then be connected to a barbed male portion of a connector fitting, where the sleeve will radially retract back toward the natural condition, generating significant, radially uniform, hoop forces around the tube distal portion for fluid tight mounting to the connector fitting.

A tool, such as a multipurpose tool, is provided that includes a carabiner having a spring that is configured to be sufficiently rugged to withstand the anticipated utilization of the carabiner. The tool may include at least a first handle, including a carabiner defining an opening thereto, and at least one tool carried by the first handle. The tool may also include a spring connected to the first handle proximate the carabiner and a gate urged by the spring to extend at least partially across the opening defined by the carabiner. The first handle may also include a tab, and the spring may include a corresponding engagement member configured to engage the tab such that the tab resists movement of the spring relative to the first handle. A corresponding handle assembly may also be provided.

An apparatus to discharge an aerosol canister in remotely located places includes a handle that has axially opposed end portions wherein the proximal end portion detachably receives an auxiliary support pole. The handle further includes an eyelet laterally extending away therefrom and situated adjacent to the proximal end portion. An elongated arm formed from deformably resilient material has axially offset end portions secured to the distal end portion of the handle and positioned distally therefrom respectively. A mechanism is included for pivoting the arm in such a manner that the arm is engaged and disengaged with a spray nozzle of the aerosol canister. A support assembly is fastened to the arm in so that the support assembly maintains the aerosol canister at a static position when the arm is toggled between the engaged and disengaged positions, wherein the user can discharge the aerosol canister contents without directly contacting the nozzle.

The image forming device includes a chassis; a thermal head unit pivotably supported by the chassis for executing printing; a platen roller supported by the chassis opposite the thermal head unit; a pressing member that is pivotably supported by the chassis and configured to press the thermal head unit against the platen roller by pushing against a top portion of the thermal head unit; a protruding part that is provided on the top portion of the thermal head unit and configured to engage the pressing member in a horizontal direction as the pressing member is pivoted to press the thermal head unit against the platen roller; and a positioning member configured to engage the thermal head unit as the thermal head unit is pushed in the horizontal direction due to the engagement of the protruding part with the pressing member in the horizontal direction.

The invention relates to a hinge (10) for spectacles, comprising two hinge elements coupling an arm (12) and a lug (14) of the spectacles, wherein the two hinge elements are hinged with each other to allow the arm flexibly connect between the corresponding open and closed positions relative to the lug. A first hinge element (16) comprises a first body part (22) with at least one first hinge eye hole part (28) and a second hinge element (18) comprises a second body part (24) with at least one second hinge eye hole part (19). The two hinge eye hole parts are mutually adapted to allow insert onepin (20) and allow the hinge of the two hinge elements. The hinge also comprises a clamping gear (26) radially projecting from the first hinge eye hole part and an approach grafting seat (32) formed on the width of the second body part at the position closed to the outside of the second hinge eye hole part. The approach grafting seat is adapted to cooperate with the clamping gear at the closed position to limit a mechanical stop portion for stably positioning the clamping gear and limit the wanted close angle (Alpha).

The invention discloses a stacking and transporting device for an integral type side wall of a car. The stacking and transporting device comprises a frame. An upper component of the rear side of the frame is connected with an upper side wall supporting rod horizontally arranged. The upper side wall supporting rod is connected with a trapezoid-shaped groove rubber strip matched with the upper edge of the frame of the side wall. A lower component of the frame is connected with a lower side wall supporting rod horizontally arranged. The lower side wall supporting rod is connected with a Y-shaped groove rubber strip matched with the lower edge of the frame of the side wall. The middle of the right side of the frame is provided with a right cross rod. The inner side of the right cross rod is connected with a concave rubber strip matched with the right edge of the side wall. The middle of the left side of the frame is provided with a left cross rod connected with a left locating rod. The end portion of the left locating rod is provided with a Y-shaped branch and provided with a rubber sleeve. The upper portion of the front side of the frame is of an open structure. The two sides of the frame are provided with hauling mechanisms. Each hauling mechanism is composed of a hauling frame connected to one end of the frame and a hauling base connected to the other end of the frame. The upper ends of stand columns of the four corners of the frame are provided with guiding and locating sleeves. The lower sections of the guiding and locating sleeves are provided with guide sleeves in a horn-mouth shape, and the upper sections of the guiding and locating sleeves are provided with locating sleeves in a square straight cylinder shape. The stacking and transporting device can be applied to the processes of manufacturing, storing and transporting parts of the integral type side wall of the car, and has the advantages of being convenient in location and easy to manage, and preventing impact.

The invention relates to a forging method and a pre-forging die for a disc type aluminum alloy automobile hub forge piece and application. By the adoption of the pre-forging die and the method, a cylindrical blank, with the fixed size, produced by existing equipment can be conveniently and accurately positioned in the pre-forging die stably, and a pre-forge piece with reasonable metal distributioncan be forged. The pre-forging die comprises an upper pre-forging die body and a lower pre-forging die body, wherein a die cavity is formed by the opposite space of the upper pre-forging die body andthe lower pre-forging die body; an upper pre-forging die core is arranged on the opposite portion of the upper pre-forging die body and the lower pre-forging die body; and an annular groove is formedbetween the upper pre-forging die core and the surrounding upper pre-forging die body. The forging method comprises the steps that after pre-forging is conducted through the pre-forging die, the pre-forge piece is turned over by 180 degrees up and down and placed on a lower die body of a finish-forging die, and then finish-forging is conducted through the finish-forging die. The cylindrical blankwith the fixed size can be conveniently and accurately positioned and pre-forged on the lower die body of the pre-forging die stably, the forged pre-forge piece is conveniently and accurately placedon the lower die body of the finish-forging die to be positioned stably, and the finish-forge piece with reasonable metal distribution and the shape meeting the requirement is forged in the finish-forging process.

The invention discloses a foldable sawing and cutting machine which comprises a base unit, a sawing table, a sawing and cutting unit and a support unit, wherein the sawing and cutting unit can be operated in a folding state from a working state; when the sawing and cutting unit is in the working state, a working included angle of 45-90 degrees can be formed between one saw blade and the sawing table in the vertical direction; when the sawing and cutting unit is in the folding state, the end surface of the saw blade approaches to a working surface of the sawing table; the support unit is fixed at a pivoting base of the sawing and cutting unit; when the sawing and cutting unit is in the folding state, one tail end part of the support unit corresponds to a left side edge of the base unit; a distance is formed between the tail end part and one top surface of the base unit. With cooperation of the support unit and the left side edge, the sawing and cutting unit can be contained in a small space when being in the folding state, has a relatively large positioning area, and can be stably positioned.

The present invention discloses a compression-resistant and wear-resistant coaxial cable. The coaxial cable comprises a rubber protective sleeve, a wear-resistant layer, wire cores and cable center bodies. One end of the inside of the rubber protective sleeve is provided with an external insulation layer, and the central location of the inside of the rubber protective sleeve is provided with the cable center bodies uniformly. The wire cores are uniformly arranged between the cable center bodies and the external insulation layer. The outside of each wire core is provided with a protective sleeve, the central location of the inside of each wire core is provided with conductors, and the outside of each conductor is provided with an internal crust. The other end of the inside of the rubber protective sleeve is provided with the wear-resistant layer, and a metal mesh layer is arranged between the wear-resistant layer and a buffer layer. According to the coaxial cable, by providing the buffer layer, a damping spring and reset springs uniformly arranged at the outside of each conductor, even if the coaxial cable is deformed under an external force, the coaxial cable can restore to the original state quickly after the external force is disappeared, and thus the cable can not be damaged.

The image forming device includes a chassis; a thermal head unit pivotably supported by the chassis for executing printing; a platen roller supported by the chassis opposite the thermal head unit; a pressing member that is pivotably supported by the chassis and configured to press the thermal head unit against the platen roller by pushing against a top portion of the thermal head unit; a protruding part that is provided on the top portion of the thermal head unit and configured to engage the pressing member in a horizontal direction as the pressing member is pivoted to press the thermal head unit against the platen roller; and a positioning member configured to engage the thermal head unit as the thermal head unit is pushed in the horizontal direction due to the engagement of the protruding part with the pressing member in the horizontal direction.

A tool, such as a multipurpose tool, is provided that includes a carabiner having a spring that is configured to be sufficiently rugged to withstand the anticipated utilization of the carabiner. The tool may include at least a first handle, including a carabiner defining an opening thereto, and at least one tool carried by the first handle. The tool may also include a spring connected to the first handle proximate the carabiner and a gate urged by the spring to extend at least partially across the opening defined by the carabiner. The first handle may also include a tab, and the spring may include a corresponding engagement member configured to engage the tab such that the tab resists movement of the spring relative to the first handle. A corresponding handle assembly may also be provided.

The invention discloses a magnetism guided reduction and fixation device for orthopedic surgery. The device comprises a reduction tong body and a guide structure, wherein the guide structure comprises guide apparatus and a magnetic metal ball I; the guide apparatus comprises a guide ball, spherical fixing shells, a positioning pin, a locking bolt and a guide pipe, and the guide ball can freely rotate relative to the central axes of the spherical fixing shells at very low friction force; the positioning pin and the locking bolt can position and lock the guide ball. By means of the technical scheme, a screw can be accurately implanted in orthopedic surgery of some parts in a minimally invasive manner, and repeated, tentative and temporary fixation and excessive X ray irradiation to a patient are avoided; the guide structure in the technical scheme has the advantages of being accurate in guide and simple, convenient and stable to position.

The invention discloses a chamfering tool for a grooving machine frame sliding block. The tool comprises a bottom plate, a positioning plate is hinged to one end of the bottom plate, a supporting rodis hinged to the bottom of the end, away from the bottom plate, of the positioning plate, an angle adjusting mechanism is connected to the bottom of the supporting rod, a supporting plate is fixed toone side of the top of the positioning plate, a rotating shaft is rotationally connected to the center of the supporting plate, the two ends of the rotating shaft penetrate through the two sides of the supporting plate correspondingly, and a center positioning device and a rotating mechanism are fixed to the two ends of the rotating shaft; and the center positioning device comprises a U-shaped base, the rotating shaft is fixed to the center of the U-shaped base, a first sliding rail is fixed to the U-shaped base, a first adjusting screw rod is rotationally connected to the inner walls of the upper side and the lower side of the U-shaped base, and one end of the first adjusting screw rod penetrate through the outer wall of the U-shaped base to be provided with an adjusting knob. The tool has the characteristics that positioning is convenient, chamferings of the corner angles of the sliding block can be conveniently controlled be to be the same, and the machining angle can be conveniently adjusted.

A fan-shaped grater (100) for foodstuffs comprises at least one base element (10) and at least one grater module (20, 30, 40). The base element (10) and grater module (20, 30, 40) therein are each curved, angled or cropped and run out into a head region (12, 22, 32, 42). A common pivot axis (1) runs through the head region (12, 22, 32, 42). By fanning out the grater modules (20, 30, 40) with respect to the base element (10), a parabola-shaped configuration is formed so that the fan-shaped grater (100) can stand independently and the grating surface (43) is positioned at a slant to the vertical pivot axis (1).

A foldable sawing machine comprises a base unit, a saw table, a sawing unit and a supporting unit. The sawing unit can be operated from a working state to a folded state. When the sawing unit is in the working state, a saw blade and the saw table generate a vertical working angle of 90 degrees to 45 degrees. The sawing unit In the folded state, the end surface of the saw blade approaches a working surface of the saw table, the support unit is fixed on a pivot seat of the saw unit, and when the saw unit is in the folded state, one of the support units The end portion corresponds to a left edge of the base unit and creates a distance from a top surface of the base unit. Utilizing the cooperation between the supporting unit and the left edge, the sawing unit can be accommodated in a narrow space when it is in a folded state, and has a larger positioning area, and can be stably positioned.

The invention relates to the field of gold jewelry processing, in particular to a positioning device used for gold jewelry grinding. The positioning device comprises a motor and a positioning shaft coaxially arranged on an output shaft of the motor, multiple positioning plates distributed in the axial direction of the positioning shaft are arranged on the periphery of the positioning shaft, the diameters of the multiple positioning plates are gradually increased in the direction close to the motor, the multiple positioning plates are coaxially arranged, and the multiple positioning plates are circumferentially distributed on the periphery of the positioning shaft in multiple sets; every two adjacent positioning plates in the same set are fixedly connected together through a connecting plate, the connecting plate closest to the positioning shaft in each set is hinged to the positioning shaft through a rotating shaft, and each rotating shaft and the positioning shaft are perpendicular to each other but do not intersect with each other; and an opening mechanism for driving all the positioning plates to be opened outwards when the positioning shaft rotates is arranged on the positioning shaft. According to the scheme, the connecting plates, the positioning plates, the rotating shafts and the opening mechanism are arranged so that gold jewelry can be conveniently and stably positioned on the positioning shaft.

The invention discloses a soil taking ring knife used for a karst mountainous region and provided with a positioning sleeve. The soil taking ring knife comprises a knife wall, the outer side wall of the knife wall is fixedly connected with a spiral, a knife cover is fixedly connected to the top end of the knife wall, and a knife handle is fixedly connected to the upper portion of the middle of theknife cover; two symmetrical handles are fixedly connected to the side edges of the top end of the knife handle, the positioning sleeve movably sleeves the outer side of the knife handle, and a sleeve cover is fixedly connected to the bottom end of the positioning sleeve; a sleeve is fixedly connected to the lower portion of the outer side of the sleeve cover, a lantern ring is fixedly connectedto the bottom end of the sleeve, and a connecting sleeve base is fixedly connected with the lower portion of the outer side of the lantern ring. The positioning sleeve is arranged on the outer side ofthe ring knife, the ring knife is located in the positioning sleeve for positioning, and the outer side wall of the ring knife is provided with the spiral; by rotating the ring knife, the ring knifeis inserted into soil under the drive of the spiral; a pressing plate is arranged in the ring knife so that soil in the ring knife can be pushed out conveniently, and a good effect is achieved.

An extendible wire guide is slidably fitted at the front of a staple gun tool housing. An easily operated lever switch is linked to the wire guide to enable the wire guide to be deployed or retracted. The lever switch includes an up and a down position corresponding to a retracted and an extended position of the wire guide. The wire guide is resiliently biased, preferably toward the retracted position. The lever switch acts on the wire guide against the bias through a cam action on an upper edge of the wire guide. A bias spring is preloaded in a subassembly of the wire guide and bias spring for simplified final assembly.

The invention provides a pneumatic disc brake caliper assembly, and belongs to the technical field of vehicle accessories. By adoption of the pneumatic disc brake caliper assembly, the problems that an existing pneumatic disc brake caliper is poor in strength, inconvenient to machine and the like are solved. The pneumatic disc brake caliper assembly comprises a caliper body, a force-augmentation gap adjustment assembly and a support. The caliper body is of an integrated structure. A thrust support is provided with a cylindrical mounting base. A cover plate is provided with a guide groove, anda sliding bearing is arranged in the guide groove. A support reset spring is located in the mounting base and provides elastic force to make the thrust support tend to be away from the cover plate allthe time. The end, located outside a cavity, of the caliper body is provided with threaded holes which are bilaterally symmetrical. Supporting bases are connected into the two threaded holes. The inner ends of the two supporting bases protrude out of the inner wall of the cavity, and the inner end faces of the two supporting bases are located on the same plane. Positioning holes coaxial with thesupporting bases are formed in the inner ends of the supporting bases. A fixing rotary shaft is fixedly connected with positioning pins inserted into the corresponding positioning holes. The pneumaticdisc brake caliper assembly has the advantages of being good in strength, convenient to machine and position, and the like.

The invention discloses a forging method of a high-speed train axle box body. The forging method comprises the following steps that 1, blank blanking is conducted, wherein a blank is a cylindrical extrusion bar, and the blank with the set length is obtained through sawing blanking; 2, transverse flattening upsetting is conducted, wherein transverse flattening upsetting is conducted on the blank to obtain a prefabricated blank; 3 the prefabricated blank is extruded to obtain a pre-forging piece, wherein the pre-forging piece sequentially comprises an end corresponding to the shape of the axle box body, a middle and a rod portion in the length direction, and volume distribution of the pre-forging piece is matched with that of the axle box body; 4, final forging piece molding is conducted, wherein the pre-forging piece is placed in a final forging mold to be subjected to final forging, and a final forging piece is obtained. Volume distribution of the pre-forging piece is well matched with that of the final forging piece, an extrusion process is adopted in pre-forging piece molding, no flash is generated, the pre-forging piece is stably positioned in a final forging mold cavity, and therefore it can be guaranteed that the final forging piece is well molded.