136results about How to "Precise Trimming" patented technology

An elastic waistband comprises at least a main portion (A) made of an elastic fabric, a first end portion (B) in the form of two triangle-shaped tails (B1, B2) joined together to said main portion (A) and having at their free ends with Velcro(R) fasteners (V1, V2) and a second end portion (C) having anchoring felt pads (P) for the Velcro(R) Fasteners (V1, V2). The elastic main portion (A) is composed of a first central portion (A1) of a fabric (1) of greater elasticity than the elasticity of a fabric (2) of two side portions (A2, A3), joined together along transverse sewing lines (A1-2), A1-3). Transverse stiffening inserts (S1, S2, S3, S4) are disposed in correspondence of the transverse sewing lines joining together the first central portion (A1), the side portions (A2, A3) and the first and second end portions (B, C). Secondary elastic tautness adjustment means, runs over the exterior of the elastic portions (A1, A2, A3) and of the inserts and are in the form of a plurality of pairs (4, 5, 6) of interlaced multistrip bands, spacingly arranged along the height of the waistband, each multistrip band being composed of a plurality of parallel textile strips (4a-4b, 5a-5b, 6a-6b) having their free ends joined together to a piece of Velcro(R) fastener material (V4, V5, V6) and the other ends permanently sew along the farthest one from said free ends of said transverse sewing lines (A1-2, A1-3) joining the first central portion (A1) of elastic fabric (1) to a respective side portion (A2, A3) of stiffer elastic fabric (2). The Velcro(R) fasteners (V4, V5, V6) of the opposite free ends of each pair of interlaced bands may b

The invention discloses a series-parallel water jet carving robot with six degrees of freedom. The robot comprises a mount, a vertical column component, a lifting device, a rocker with six degrees of freedom, a parallel cutter rack with three degrees of freedom and a jet carving device, wherein a water tank is arranged in the mount, the rocker can move upwards and downwards along the vertical column under the driving of the lifting device; and the parallel cutter rack with three degrees of freedom sleeves the rocker with two degrees of freedom and can translate along the rocker with two degrees of freedom; a spraying gun in the jet carving device is arranged on the parallel cutter rack and has six spatial movement degrees of freedom. According to the carving robot, the processing operations such as blanking and cutting, carving, chamfering, routing and trimming of an acrylic product can be realized; the action force of the robot during carving operation is small; a work piece is low in temperature and keeps the shape; the influence of the acrylic material bonding on a cutter or the work piece to the precision and quality of the work piece can be avoided; and the robot further has the advantage of being compact in device structure, stable and reliable in work, convenient and fast to operate and maintain, low in entire machine cost and high in processing precision.

A circuit and method for trimming an internal oscillator of a USB device that generates a clock signal as a frequency source of the USB device detect an end of packet from an input data stream to initialize a counter, identify a token packet in the data stream to detect a start of frame token packet for the counter to carry out clock counting on the clock signal to thereby obtain a count value, and compare the count value with a reference value to determine a trimming code for trimming a clock frequency of the internal oscillator.

A cup-shaped wheel dresser relates to a non-sphere processing grinding wheel; the wheel dresser provides a cup-shaped wheel dresser; the height and inclination of the wheel dresser are adjustable and the wheel dresser has the oscillating function. The wheel dresser is equipped with a base, an oscillating arm support saddle, an oscillating arm rotary shaft, a dressing grinding wheel, a grinding wheel panel, a main shaft, a main shaft band wheel box, servo motors, transmission mechanisms, a screw, a bolt, a supporting round stick, a triangle support saddle, runners and a numerically controlled system. The oscillating arm is equipped on the base and the oscillating arm base is connected with the oscillating arm rotary shaft. The grinding wheel is connected with the main shaft and the grinding wheel is installed on the main shaft; the main shaft is connected with the main shaft band wheel box; the first servo motor is connected with the main shaft by the first transmission mechanism and the second servo motor is connected with the oscillating arm rotary shaft by the second transmission mechanism. The bottom of the main shaft band wheel box is connected with the triangle support saddle and fixed on the triangle supported saddle; the bolt is equipped under the triangle support saddle and the triangle support saddle is connected with the oscillating arm; the screw is equipped on the oscillating arm and the triangle support saddle is linked with the lower end of the screw; the triangle support saddle and the oscillating arm are equipped with runners and the numerically controlled system is connected with the servo motors.

The invention provides an angular trimmer for a grinding wheel of a grinding machine, which comprises a bottom plate, a diamond stylus, a sliding plate, a slider, a circular gear, a rotary rod and an adjusting supporting rod. The sliding plate is provided with a protrusion which is provided with a slot extending through the whole protrusion, the slider is provided with a groove, a strip toothed boss with a toothed opening is arranged at the bottom of the groove, the groove of the slider is slidably fixed with the protrusion of the sliding plate, and the groove is slidably fixed with the toothed boss. The diamond stylus is perpendicularly fixed to one face of the slider, one side of the sliding plate is movably and fixedly connected with the side of the bottom plate through the adjusting supporting rod, an adjusting gasket is arranged on a slide on one side of the sliding plate and fixed by a screw, and connecting blocks with symmetrical through holes are fixedly arranged on two sides of the sliding plate. The rotary rod penetrates through the through holes to be movably fixed with the connecting blocks, the circular gear is fixedly arranged on the rotary rod, the sliding plate is provided with an open slot, and the circular gear is meshed with the toothed boss through the open slot. The position of the slider and the height of the sliding plate are adjusted to fit angular adjustment of large-diameter grinding wheels.

The present invention relates to a hair cutting appliance (10), a blade set (20) for a hair cutting appliance (10), and to a stationary blade for said blade set (20), said blade comprising a first wall portion (44), a second wall portion (46), and an intermediate wall portion (48), wherein the first wall portion (44), the second wall portion (46), and the intermediate wall portion (48) are fixedly interconnected, thereby forming a segmented stack (56), wherein the intermediate wall portion (48) comprises at least one cutout portion (68) and is disposed between the first wall portion (44) and the second wall portion (46), wherein the first wall portion (44), the second wall portion (46), and the intermediate wall portion (48) jointly form at least one toothed leading edge (32, 34), wherein the toothed leading edge (32, 34) at least partially extends in a transverse direction (Y, t), wherein the toothed leading edge (32, 34) comprises a plurality of mutually spaced apart projections (36) alternating with respective slots, thereby defining a plurality of teeth (40) and respective tooth spaces (42), wherein the mutually spaced apart projections (36) at least partially extend forwardly in a longitudinal direction (X, r) approximately perpendicular to the transverse direction (Y, t), wherein the first wall portion (44), the second wall portion (46) and the at least one cutout portion (68) in the intermediate wall portion (48) define therebetween a guide slot (76) for a movable blade (24), and wherein the guide slot (76) provides for a defined clearance fit mating of the to-be-mounted movable blade (24) in the guide slot (76).

The present invention relates to a hair cutting appliance (10), a blade set (20) for a hair cutting appliance (10), and to a stationary blade (22) for said blade set (20), said blade (22) comprising a first wall segment (50), a second wall segment (52), and an intermediate wall segment (54), wherein the first wall segment (50), the second wall segment (52), and the intermediate wall segment (54) are fixedly interconnected, thereby forming a segmented stack (56), wherein the intermediate wall segment (54) is disposed between the first wall segment (50) and the second wall segment (52), wherein the first wall segment (50), the second wall segment (52), and the intermediate wall segment (54) comprise a substantially equivalent overall extension, thereby jointly forming, at an end of the segmented stack (56), at least one toothed leading edge (32, 34), wherein the at least one leading edge (32, 34) comprises a plurality of mutually spaced apart projections (36) defining a plurality of teeth (40) and respective tooth spaces (42), wherein the mutually spaced apart projections (36) at least partially extend forwardly in a longitudinal direction (X, r) approximately perpendicular to the transverse direction (Y, t), wherein the intermediate wall segment (54) comprises at least one cutout portion (68), and wherein the at least one cutout portion (68) in the intermediate wall segment (54), the first wall segment (50) and the second wall segment (52) define therebetween a guide slot (76) for a movable blade (24). The invention further relates to a method for manufacturing a respective blade.

The invention relates to an assembly between a front fitting and the traction coupling of the two lateral boxes of the horizontal stabilizer of an aircraft comprising a front fitting (1, 1a and 1b), a front shear plate (2), an upper shear plate (4), a lower shear plate (5) and a “rib post” union piece (3) in such a way that the loads being transferred to the lateral boxes are minimized, and at the same time it allows a proper trimming of the horizontal stabilizer. Moreover, the present invention describes a compact front fitting, made of one piece, as a whole, and in composite material.

The invention is a dental model cutter for trimming the base of a dental model in a precise predetermined manner where the dental model is precisely secured and positioned under a cutting guide and can be hand sawed or cut, thus eliminating the need of a conventional dental model grinder.

The present invention includes a cutting apparatus, method and system for cutting, trimming and deburring an edge or surface. One embodiment of the present invention includes an apparatus having a first cutting member holder including one or more slots extending inwardly from one or more ends, an upper member attached to the first cutting member holder, whereby a longitudinal grove is formed between the first cutting member holder and the upper member and a cutting surface disposed in or about the first cutting member holder, wherein the cutting surface comprises two or more cutting members which are angled relative to each other and one or more cutting members that extend into the one or more slots.

A tuning-fork vibration gyro including a ferroelectric tuning-fork vibration body generating a plurality of sensor signals and a sensor circuit to which the sensor signals generated by the tuning-fork vibration body are input. The sensor circuit includes a differential amplifier having two input terminals between which the sensor signals are input, and a capacitor being connected between the two input terminals of the differential amplifier.

The invention relates to a leather/thick material embroidery machine which comprises a frame, a head arranged on the frame, upper and lower shafts transversely arranged on the frame, a needle bar box which is arranged on the head and can move transversely, a plurality of needle bars which are arranged on the needle bar box and can move up and down, a color switching driving mechanism which is connected with the needle bar box and drives the needle bar box to move transversely so as to select a needle bar to work, and a needle bar driving mechanism which is connected with the needle bars and drives the needle bars to move up and down, wherein the lower end of the needle bars is provided with a machine needle, a needle foot bar which is arranged on the head and can move up and down, a needle foot driving mechanism which is connected with the needle foot and drives the needle foot to move up and down, and a shearing device and a trapping device which are applicable to thick threads. By improving the arrangement and drive of the needle foot and matching with the shearing device and trapping device applicable to thick threads, the embroidery machine can be used for embroider a thick material or leather.

The present invention relates to a hair cutting appliance (10), a blade set (20) for a hair cutting appliance (10), and to a stationary blade (22) for said blade set (20), said blade comprising a first wall portion (44) and a second wall portion (46), each which defining a first surface (80, 82, 84), and a second surface (86, 88, 90) facing away from the first surface (80, 82, 84), and an intermediate wall portion (48) arranged between the first and the second wall portion (46), wherein the first wall portion (44) the second wall portion (46) and the intermediate wall portion (48) jointly define at least one toothed leading edge (32, 34), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) face each other, at least at their leading edges (32, 34), the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48) are interconnected at their tips (38) to define a plurality of teeth (40), wherein the first surfaces (80, 82) of the first wall portion (44) and the second wall portion (46) define therebetween a guide slot (76) for a movable blade (24) of said blade set (20), wherein the first wall portion ( 44), the second wall portion (46) and the intermediate wall portion (48) comprise an overall height extension (to), and wherein the overall height extension (to) of the first wall portion (44), the second wall portion (46) and the intermediate wall portion (48), at least at the at least one leading edge (32, 34), is in the range of about 0.3 mm to about 0.75 mm, preferably in the range of about 0.4 mm to 0.5 mm.

A grinding wheel arc dresser comprises a substrate, an extension board, a rotating body, a tool rest and a finishing tool body, wherein the extension board is fixedly connected with the rotating body in the substrate; the extension board is fixedly connected with the tool rest; the finishing tool body is moveably arranged on the tool rest; and the tool rest is also provided with an adjustment mechanism which can be adjusted to make the finishing tool body move relative to the tool rest. The grinding wheel arc dresser can rapidly and accurately adjust a tool tip of the finishing tool body relative to the height of a reference plane and is favorable for improving the work efficiency and the machining accuracy.

The invention discloses a 3D memory device and a manufacturing method thereof. The 3D memory device includes a substrate, a gate stack structure, a plurality of channel columns and a plurality of channel holes, a doped region, a first conductive layer and a core part, wherein the gate stack structure is positioned above the substrate and comprises a plurality of gate conductors and a plurality ofinterlayer insulating layers which are alternately stacked; the plurality of channel columns and the plurality of channel holes penetrate through the gate stack structure; the doped region is locatedat the bottom of the channel hole and is formed in the substrate; the first conductive layer covers the inner wall of the channel hole and is in contact with the doped region; and the core part is located in the channel hole and above the doped region, the core part is doped polycrystalline silicon doped with impurity atoms with a certain concentration, and the doping concentration of the impurity atoms is adjusted so as to realize continuous adjustment of the surface warping degree of the 3D memory device. The warping degree of a wafer in an X direction or a Y direction is continuously adjusted by changing the doping concentration of impurity atoms doped in the core part in a grid line gap of the 3D storage device, and the problem of wafer warping is solved.

A method for manufacturing a FBG having improved performances and an annealing-trimming apparatus for making the same are provided. The trimming and the annealing steps are advantageously combined into a single process in order to efficiently fabricate complex FBG filters with improved performance. The method comprises the steps of UV-writing a FBG in an optical fiber prior to annealing-trimming characteristics of the FBG by performing the sub-steps of monitoring characteristic data of the FBG while generating a controlled complex temperature profile along the FBG with a heating means according to the characteristic data for providing an accurate controlled annealing process of the FBG, thereby providing an accurate trimming thereof.

In a method for reading a document set on a document positioning plate to output image data, an edge area of an image of an entire reading area is extracted to form a first rectangle area including the extracted edge area. If a position of an apex of the first rectangle area farthest from a reading reference position and a size of the first rectangle area satisfy predetermined conditions, image data corresponding to a second rectangle area including the first rectangle area and the reading reference position are output.