194results about How to "Precise bending" patented technology

A drug delivery device having a base member defining a skin-contacting surface, a syringe serving as a reservoir for the drug, and means for expelling drug from the syringe. The syringe is connected to the base member such that the longitudinal axis of the syringe is substantially parallel to the skin surface. A delivery needle is in communication with the syringe. The needle has an angled bend which directs the tip of the needle substantially perpendicular to the skin-contacting surface. In use, the tip of the needle is adapted to penetrate the skin of the subject.

Provided are an organic light-emitting display device and a method for manufacturing the same. A flexible substrate of the organic light-emitting display device is bent across a bend line and includes a first area, a first bending area adjacent to the first area, a second bending adjacent to the first bending area, and a second area adjacent to the second bending area. A wiring is formed over the first area, the first bending area, the second bending area, and the second area of the flexible substrate to electrically connect a display unit formed in the first area and a pad unit formed in the second area. A first alignment key is formed over the flexible substrate, and a second alignment is formed over the flexible substrate. The first alignment key is positioned to overlap the second alignment key with the flexible substrate bent across the bend line.

Part of a front side frame is configured to be deformed so as to bend outwardly, in a vehicle width direction, by a collision load in a vehicle frontal collision. A sub frame provided at a lower portion of a front vehicle body is joined to the front side frame via a reinforcement. A front portion of the reinforcement is located at a position which corresponds to a bending portion of the front side frame which is to be deformed so as to bend outwardly, in the vehicle width direction, by the collision load in the vehicle frontal collision. Accordingly, the bending of the front side frame at its bending portion when the collision load acts in the vehicle frontal collision can be promoted, so that the collision load against passengers can be decreased securely.

A steerable catheter device includes a catheter body, a flexing tip member coupled to a distal end of the catheter body and having a wall with a first plurality of arcuate slits and a second plurality of arcuate slits, the first and second plurality of slits being diametrically opposed and alternating with each other, and an actuator that bends the flexing tip member, wherein at least a portion of the catheter body includes a braided sheath, and wherein each of the first and second plurality of slits has two ends and a center positioned midway between the two ends, and wherein all of the first plurality of slits have centers positioned along a first axis substantially parallel to the longitudinal axis of the catheter body and all of the second plurality of slits have centers positioned along a second axis substantially parallel to the longitudinal axis of the catheter body.

The invention provides an individualized orthodontic arch wire curve interactive adjustment method, and relates to the field of orthodontic arch wire bending and forming. According to the method, based on actual tooth position information of a patient, through adjustment of bracket straight line segment positions, change of transition curve segment shapes and selection of the insertion positions and types of special function curves, forming and bending of an individualized orthodontic arch wire is realized. The technical points are selection of patient data, setting of compensation values, setting of transition curve segments, and position adjustment of insertion of the special function curves and bracket straight line segments. The individualized orthodontic arch wire curve interactive adjustment method provided by the invention can be used for digital forming and individualized forming of orthodontic arch wires, and provides a necessary bending algorithm for bending an orthodontic arch wire by automation equipment.

The invention is a rotary draw bending machine and process for bending materials such as tubes or pipes into precise bends. A spindle holds a bending die, and a radial arm holds a counter-die. The spindle and arm are simultaneously rotated in opposite directions by a dual hydraulic drive controlled by an electro-hydraulic control system with foot pedal controls. The bend angle is preset by a protractor-like dial and limit switch mechanism. The radial arm has a slide track to align the counter-die with the bending die. The ratchet mechanism has teeth to allow incremental advancement of the counter-die when aligning it with its bending die to accurately set the gap between the dies. The machine is used with a wide variety of dies to bend a wide variety of workpiece diameters. The ratchet mechanism preferably includes a fine tuning device to provide an infinite range of alignment positions.

A tremolo device for a stringed instrument comprising a base adapted to attach to an associated stringed instrument. A plurality of adjustable string supports are pivotally attached to the base. Each of the supports supports a string of the associated stringed instrument, wherein each of the string supports includes a surface configured such that 1 degree of rotation of the support in relation to the base results in a change in length of the string equal to l, a constant, multiplied by the change in length of the string that resulted from the preceding 1 degree of rotation. The tremolo device can accurately bend and/or modify the chords made by such stringed instrument.

A method for onboard determination of a roll angle of a projectile. The method including: transmitting a polarized RF signal from a reference source, with a predetermined polarization plane; receiving the signal at a pair of polarized RF sensor cavities positioned symmetrical on the projectile with respect to the predetermined polarization plane; receiving the signal at a third polarized RF sensor cavity positioned such that it receives a maximum signal at zero roll angle positioning; differentiating between up or down positioning of the desired roll angle position based on an output from a fourth sensor on the projectile; analyzing an output of the pair of polarized RF sensor cavities and the third RF sensor cavity resulting from the received signal and an output of the fourth sensor; generating a curve based on the output of the pair of polarized RF sensor cavities and the third RF sensor cavity indicating a relationship between roll angle and the third sensor output; and determining a roll angle positioning of the projectile based on the curve.

The invention relates to a bending machine capable of bending layer by layer, which comprises a frame; a rotating roller and a rotating roller driving mechanism which drives the rotating roller to rotate are arranged on the frame; an upper pressure plate which rotates with the rotating roller is arranged on the rotating roller; a lower pressure plate is arranged below the upper pressure plate; a clamping control device for controlling the lower pressure plate and the upper pressure to clamp heat exchangers with spacing is arranged between the lower pressure plate and the upper pressure plate; the technical key points are as follows: a lifting mechanism is arranged on the frame; a lifting platform is arranged on the lifting mechanism; a movable bending following platform which can slide on the lifting platform and can be inserted into the adjacent two layers of radiating tubes of the heat exchangers and a pushing mechanism which pushes the movable bending following platform to move are arranged on the lifting platform; and a positioning mechanism which positions the heat exchangers is arranged on one side of the lower pressure plate on the frame. The bending machine can bend precisely, has a simple process and can bend a plurality of layers of heat exchangers layer by layer.

An apparatus and method for bending a guide post used in forming a template for locating dental implant hole. The guide post includes at least one face on a distal end for registering the orientation of the guide post. The apparatus includes a base plate having protractor-like indicia, a supporting block attached to the base plate, the supporting block having an aperture for receiving a distal end of the guide post, and a stylus received by a proximal end of the guide post, the stylus extending towards the protractor-like indicia.

The invention discloses an automatic cutting-off, conveying and bending device for steel bars. The automatic cutting-off, conveying and bending device for the steel bars comprises a box body; a fixingplate is fixedly connected between the left and right opposite two sides of the inner wall of the box body; a supporting plate is fixedly connected between the front and back opposite two sides of the inner wall of the box body; the bottom of the inner wall of the box body is fixedly connected with a first motor; the output shaft end of the first motor is fixedly connected with a speed changer through a first coupler; the output shaft end of the speed changer is in transmission connection with a rotating shaft through a belt; the end, extending to the top of the box body, of the rotating shaft is fixedly connected with a bending device; a conveying device and an automatic cutting device are sequentially and fixedly connected to the top of the fixing plate; and a fixing device and a limiting device are sequentially and fixedly connected to the top of the box body. The invention relates to the mechanical field of steel bar bending machines. The automatic cutting-off, conveying and bending device for the steel bars solves the problem that traditional manual bending and existing cutting and bending devices are not stable in machining quality, the work efficiency of bending is improved, and the labor intensity of workers is relieved.

An elastic hair clip includes a clip frame composed of a first clip frame and a second clip frame, and a joint member. The first and the second clip frame have one end forming a jointed end and another end forming an open end. A clipping strip is disposed between the first and the second clip frame, a little shorter than the first and the second clip frame and having one end formed integrally with the jointed end of the first and the second clip frame. The joint member can be integrally formed with or separated from the clip frame. When the hair clip is used, the open end of the first and the second clip frame is combined together by the joint member to make the first and the second clip frame properly curved and form proper elasticity for clipping hair with the help of the clipping strip.

The invention discloses an accurate continuous bending method of a U-shaped large forging. The method is realized through an arc-shaped inlet female mold, a male mold matched with the female mold, and a back pressure mold with a bent guiding plate. The method comprises the following steps: heating a forging blank to perform preforging; performing back pressure trimming; performing residual heat accurate positioning; enabling the bent guiding plate to drive the bent part of the forging to move and be bent along the arc-shaped track of a female mold inlet, and the like. The method has the advantages that the surface of the bent part is high in quality and small in damage, and the symmetry of the forging is high.

A coil component including: a magnetic core which is formed by a magnetic material and which has a top surface, a bottom surface facing the top surface and a side surface continuous approximately perpendicularly to the top surface and the bottom surface; a coil which is buried inside the magnetic core and whose end portion protrudes from the side surface of the magnetic core; a flat-shaped terminal which protrudes from the side surface of the magnetic core, is bent toward the bottom surface of the magnetic core and is connected with the end portion of the coil, wherein there is formed an opening portion at a position corresponding to the place which is bent for the flat-shaped terminal from the side surface to the bottom surface of the magnetic core.

The present invention discloses a space warp shape memory alloy driver and a driving control device. The driver comprises a U-shaped shape memory alloy wire, a plurality of curvature sensors, a molding rubber cylinder, a sleeve head, and shape memory alloy fixing sheets and positioning sheets. The driving controlling device comprises a detection circuit, a selective amplifying circuit, a digital signal processor and a power driving circuit. The present invention utilizes the characteristic that the shape memory alloy has the shape memory effect with the change of the temperature to realize the space free bending motion of the driver. The structure of the present invention is compact, the self weight is light, the output force-weight ratio is high, the motion is smooth, the control is flexible, the manufacture cost is low, the multi-direction bending can be realized, and the present invention has the space running capability. The present invention satisfies the comprehensive requirements of miniaturization, precise positioning and soft transmission, and has obvious technical superiority and potential and extensive application prospect in the fields of anthropomorphic mechanical arm, medical artificial limb and endoscope.

A coaxial electrical connector includes an outer conductor (11) having a cylindrical fitting section (14) to fit onto the counter connector (60), a dielectric (12) placed in the outer conductor (11) and a center conductor (13) which is held by the dielectric (12). It further includes a cover section (16) to cover the other opened end of the cylindrical fitting section (14), and a surrounding section (17) to surround the cable C, which is connected to the connecting section (24) of the center conductor. The cover section (16) and the surrounding section (17) are bent at a linking section (18). The cover section (16) has a receiving section (19) on the inner surface which contacts with the tongue (22) of the dielectric (12), in order to place at least a part of the tongue (22) therein.

Wood is bent using a unit and a method in which a continuous and uninterrupted curved path is defined over a workpiece-supporting surface and form and clamp blocks are electromagnetically attached to the workpiece-supporting surface adjacent to the path. The form and clamp blocks engage a wood workpiece to force that workpiece into a shape that matches the path defined over the workpiece-supporting surface.

An optical scanner according to the present invention comprises a collimator lens, a cylindrical lens, a light deflector, an f-θ lens and an anamorphic lens. The f-θ lens is constituted by three groups of five lenses, i.e., a first cemented lens formed by bonding a first lens and a second lens to each other, a second cemented lens formed by boding a third lens and a fourth lens to each other and a fifth lens having positive refracting power. The f-θ lens is formed to satisfy relational expressions L/f<0.100 and 0.04≦r1/r4≦0.31, where L represents the total length of the f-θ lens, f represents the focal distance of the f-θ lens, r1 represents the radius of curvature of an entrance-side refracting interface of the first lens and r4 represents the radius of curvature of an entrance-side refracting interface of the third lens. Thus, a compact optical scanner comprising an f-θ lens having a small total length L and high optical performance is provided also when increasing a focal length f as well as a scanning line length W.