79results about How to "Equal length" patented technology

An exercise device having many advantageous features is described, including the ability to provide a user selected resistance from nearly zero resistance to the user's full body weight, the ability to easily adjust between exercises and between users, and the ability to balance the device between reconfigurations to provide for ease-of-use. The device includes an inelastic adjustable length member with two arms and a grip at both ends, and a centrally located anchor that provides for a distribution of the length between the arms. In one embodiment, the exercise device is compact and can be removably attached to a door frame. When grabbing each of the grips and uniformly pulling away from the anchor, the arms of the device center on the anchor.

An exercise device having many advantageous features is described, including the ability to provide a variety of different accessory grips to the user, and the ability to easily mount the device to a wall. One exercise device described is an inelastic resistance device having integral hand grips. The accessory grips are removably attachable to the integral grip of an exercising device, and provide for gripping by the hands, foot or other body parts. The selection of a specific accessory grip allows the user to exercise by specific body parts and provides for a greater number of possible exercises. Accessory grips are attachable to the integral grips, greatly adding to the flexibility of the device. In addition, a novel hand grip is described having a plurality of cords that can be selected for gripping, and a bracket for mounting a door jamb mountable exercise device to a wall is described.

A probe pin for testing electric characteristics of a semiconductor device comprises a silicon pin core (3, 23, 33), and a conductive film (4, 24, 34) covering the entire surface, including the bottom face, of the pin core. The bottom face of the probe pin is connected directly to an electrode (7, 37) positioned in or on a print wiring board. A number of probe pins can be connected to the associated electrodes at a high density, thereby forming a fine-pitch probe card having a superior high-frequency signal characteristic.

The invention discloses an intelligent cloth cutting device for garment processing and relates to the technical field of garment processing equipment. The device comprises a cutting table, a cutting mechanism, a first clamping mechanism, a second clamping mechanism and a yardage roll supporting rack; the cutting mechanism is fixedly arranged on the upper surface of the cutting table through a support; the first clamping mechanism and the second clamping mechanism are slidingly arranged on the upper surface of the cutting table, the first clamping mechanism is located at the left side of the cutting mechanism, and the second clamping mechanism is located at the right side of the cutting mechanism; infrared distance sensors are arranged at the opposite sides of the second clamping mechanismand the first clamping mechanism; the yardage roll supporting rack is fixedly arranged on the cutting table. According to the intelligent cloth cutting device, through cooperation of the first clamping mechanism and the second clamping mechanism, cloth is pulled out, the labor intensity of manually pulling the cloth by workers is reduced, the length of the cut cloth is determined according to theinfrared distance sensors, it can be guaranteed that the lengths of the cut cloth every time are identical, and the waste caused by different lengths of the cut cloth is avoided.

The invention relates to a Jacquard machine, comprising 2 sets of knifes moving up and down in opposition, which each, at each of their extremities, are taken up in separate knife grids (4a, 4b) being driven by a cinematic drive chain (30), and each, at one of their extremities (20a, 20b), being guided into a straight motion by means of a “Watt's linkage” rod system, the height of lift of each of these extremities (20a, 20b) of the knife grids (4a, 4b) being adjustable, and the knife grids (4a, 4b) each at their first extremities (20a, 20b) being linked with at least one first driving lever (2, 2a, 2b, 10) by means of a first linking rod (3a, 3b), and at their second extremities (21a, 21b) being linked with at least a second driving lever (2, 10) by means of a second linking rod (14a, 14b), wherein per knife grid (4a, 4b) one or several elements (1, 101, 1a, 1b, 3a, 3b) of the Watt's linkage rod system are part of the cinematic drive chain (30), and the amplitude of the motion of the said extremity (20a, 20b) of the knife grid (4a, 4b) is adjustable in the cinematic drive chain (30) before the linking point (9a, 9b) between the first rod (1, 101, 1a, 1b) and the third rod (3a, 3b) of the Watt's linkage rod system with respect to the drive motor.

The invention discloses a continuous production method of a unit honeycomb paper core. The production method is characterized by comprising the following steps of: 1) feeding a plurality of rolls of core paper, and vertically coating a glue line on the core paper; 2) after gluing the core paper, combining and drying a plurality of the layers of the core paper; 3) after a plurality of the layers of the core paper are combined to be the paper core board, discontinuously gluing the paper core board by using an batch-type gluing device; 4) transversely cutting the paper core board into paper core strips after continuously gluing; and 5) collecting and solidly pressing the paper core strips, so as to obtain a continuous unit honeycomb paper core. With the adoption of the continuous production method provided by the invention, after the core paper is composited to be the paper core board, the paper core board is glued by using a continuous gluing manner, so that the unit type continuous honeycomb paper core is formed. With the adoption of the production method provided by the invention, the paper consumption is reduced; the operation is simpler and more convenient; and the continuous production method is more environment-friendly in a machining process.

The present invention provides a method, an apparatus and a device for determination of the size of a transport block, and relates to the technical field of communication. The method, the apparatus and the device for determination of the size of the transport block are used for ensuring the performances of a transport block in an NR (New Radio) system. The method comprises the steps of: determining the initial size of a transport block; comparing the initial size of the transport block with a threshold value to obtain a comparison result; according to the comparison result, performing quantification of the initial size of the transport block to obtain the initial size of the transport block after quantification; and according to the initial size of the transport block after quantification,determining the final size of the transport block. The method, the apparatus and the device for determination of the size of the transport block are mainly applied in the 5G NR.

A high electrical performance semiconductor package is proposed. A carrier is provided having a first surface, an opposite second surface, and conductive vias for electrically connecting the first surface to the second surface. A chip is attached to the first surface of the carrier. A plurality of via lands are disposed peripherally on the first surface of the carrier and electrically connected to the vias. A plurality of conductive regions are disposed on the second surface of the carrier and electrically connected to the vias. A plurality of fingers are disposed around the chip and electrically connected to the via lands by conductive traces formed on the first surface of the carrier. A plurality of bonding wires electrically connect the chip to the fingers. Lengths of the wires for transmitting differential pair signals are substantially equal, and lengths of the traces for transmitting the differential pair signals are substantially equal.

The invention relates to cutting equipment, in particular to a PPR pipefitting uniform cutting device. The PPR pipefitting uniform cutting device is easy to operate, capable of effectively saving manpower, capable of saving consumed time during work, and capable of improving the work efficiency. The PPR pipefitting uniform cutting device comprises a base, a cutter and a cutter holder, a rack is connected to the base, fixed blocks are connected to the upper portions of the two sides of the rack, the bottoms of the fixed blocks are connected with guide rods, the cutter is in sliding connection to the position between the guide rods on the two sides, first reset springs are connected between the cutter and the guide rods, the cutter holder is connected to the lower portion in the rack, and the cutter holder is located below the cutter. Through a power mechanism, the cutter is driven to cut a PPR pipeline, and the effect of cutting the PPR pipeline is achieved.

The invention relates to a fiber laser and harmonic frequency conversion module incorporating a 90 degree Polarization Maintaining (PM) fiber fusion splice therebetween for providing temperature insensitive power stabilization. The present invention has found that incorporating at least one 90 degree splice of the transmission axes of the PM fiber, coupling a fast axis to a slow axis, to create substantially equal optical path lengths of the two transmission axes of the fiber coupling can nearly eliminate output amplitude fluctuation within a practical operating temperature range.

The invention discloses a supply device and method for long reinforcing steel bars in four-side-ribbed high-speed-rail reinforcing steel bar meshes, and belongs to the field of cold-rolled reinforcingsteel bars. The supply device comprises a reinforcing steel bar coil unwinding device, a reinforcing steel bar straightening roller device, one or more hydraulic reinforcing steel bar shearing devices, a rib arranging stand of a reinforcing steel bar mesh welding device and a moving frame which are arranged sequentially; the moving frame is arranged on the rib arranging stand; a long reinforcingsteel bar fixed-length baffle is arranged on the moving frame; the one or more hydraulic reinforcing steel bar shearing devices are arranged in front of the rib arranging stand; at least one driving roller is arranged in the reinforcing steel bar straightening roller device; and multiple sensors and a controller are arranged in the supply device. By the aid of the supply device, production links of the reinforcing steel bar are reduced, the problem of inconsistency of the parallelism of the reinforcing steel bars during bundling and carrying of the reinforcing steel bars is reduced, the alarming, shutdown or maintenance time of the device is shortened, the running rate of the device is increased, and the percent of pass of the yield strength of the straightened reinforcing steel bars is increased.

The invention discloses a sizing cutting device for plastic pipe production of a venous blood collector. The device comprises a base, wherein two supporting plates are fixedly connected to the upper end of the base, a winding roller is rotationally connected between the two supporting plates, damping supporting legs are fixedly connected to the lower end of the base, a hollow sliding groove is formed in the upper end surface of the base in a penetrating manner, a sliding block is slidably connected in the hollow sliding groove, a driving motor is fixedly connected to the side wall of the base,and an output shaft of the driving motor is fixedly connected with a first threaded rod. According to the device, the pulling length of a plastic pipe is equal to each time, so that the quality of the product is improved, the pulling and cutting-off adopts the driving motor for controlling, so that the size of the equipment is reduced, the energy consumption is reduced, by arranging a rack, a gear and a hand wheel, the height of a cutter blade can be adjusted, and plastic pipes with different specifications can be cut.

Strategy and methodology by which the various error sources are taken into account and methods applied to compensate substantially entirely for such errors and/or diminish the effect of such errors.

A separated bottom bed structure mainly includes a front bottom bedplate, a rear bottom bedplate, reinforcing bars and screw handles; the structure is detached, separated and assembled through two hollow frames and an inverted U-shaped frame, allowing the front, rear bottom bedplates are kept equal in size, thereby being convenient for packaging and shipping. Furthermore, the screw handle includes a grip, screw head and button, where the button is used to separate the grip and screw head, allowing the grip to be adjusted to an arbitrary angle, thereby turning the screw head back and forth.

The invention discloses an automatic tape folding mechanism. The automatic tape folding mechanism comprises a feeding plate, a resistance adhesive tape, a tape discharging servo motor roller, a tape loading pot, a tray support, a guide rail, a guide rail sensor, a tray cylinder, a tray ejection rod, a tape pressing cylinder and a tape pressing ejection rod, wherein the lower end of the feeding plate is provided with the tape discharging servo motor roller and the guide rail, the guide rail sensor is arranged above the guide rail, the tape loading pot is arranged under the guide rail, the tray cylinder and the tape pressing cylinder are arranged at two ends of the guide rail, the tape pressing cylinder is connected with the tape pressing ejection rod, the tray cylinder is connected with the tray ejection rod, and the tray is connected at the lower end of the tray ejection rod. The automatic tape folding mechanism can realize automatic folding and packing of the resistance adhesive tape.

The invention relates to a laser calligraphy mesh division ruler which comprises a vertical support. The vertical support comprises a vertical supporting rod, the two ends of the vertical supporting rod are provided with a supporting base and a horizontal support, the horizontal support comprises two orthogonal horizontal supporting rods, the horizontal supporting rods are provided with a plurality of laser emitters distributed at intervals, and the laser emitters are arranged on the horizontal support an in inclined manner and irradiate within a horizontal face to form a line type light spot.The horizontal support is arranged above the horizontal face in parallel through the vertical supporting rods, the multiple laser emitters distributed on the horizontal support at intervals irradiatethe horizontal face to form the line type light spot, the laser emitters located on one horizontal supporting rod emit parallel light, the laser emitters located on the different horizontal supporting rod emit orthogonal light, light grids formed by laser radiation is formed on the horizontal ace, grids used for writing therein are divided on Chinese art paper in the horizontal face, the traditional manner that the Chinese art paper is folded for forming the grids used for writing therein is replaced, folding of the Chinese art paper is avoided, and the good writing paper is provided for a writer.

The invention discloses a sampling system suitable for a multi-channel terminal reflection type optical fiber SPR sensor. The system comprises a shell, a sample injection mechanism which is mounted in the shell and is used for collecting and conveying a sample to be detected, an optical fiber SPR detection mechanism which is used for detecting the sample to be detected and is positioned at a terminal reflection type optical fiber SPR detection end, and a liquid discharge mechanism which is used for self-cleaning and discharging detection waste liquid, and the sample injection mechanism is arranged at the front side sample injection end of the optical fiber SPR detection mechanism; and the liquid discharge mechanism is arranged at the rear side sample outlet end of the optical fiber SPR detection mechanism. The optical fiber channels connected in parallel are distributed on the same plane along the circumference at equal angles, it is guaranteed that sample flow paths of all the internal liquid paths are equal in length and small in dead volume, at least two optical fiber sensors are arranged in each optical fiber channel, the same sample can be sampled and detected at the same time or multiple samples can be sampled and detected, detection data of multiple groups of optical fiber sensors are detected, each internal liquid path is relatively independent and has parallelism, the consumption of samples is reduced, and the detection efficiency is improved.