5743results about How to "Adjustable distance" patented technology

A surface electrode for ablating tissue is provided. The surface electrode comprises a base, a plurality of tissue penetrating needle electrodes extending from the surface of the base an adjustable distance, and an electrical interface coupled to the plurality of needle electrodes. The adjustability of the needle electrodes allows the depth that the needle electrodes penetrate through tissue to be adjusted.

A method and apparatus for surface measurement using the shadow moire effect with the Talbot effect. The apparatus includes a specimen mount to receive a specimen having a surface to be measured, and a reference grating mounted adjacent to the specimen mount so as to be substantially parallel to a mean surface plane of the specimen. The reference grating is mounted in such a manner that the distance between the reference grating and the mean surface plane of the specimen can be adjusted to a Talbot distance deltaT. The apparatus also includes a light source to illuminate the specimen through the grating and a detector positioned to detect the moire fringes produced by the grating due to variation of the surface of the specimen.

A surgical instrument comprises a base member adapted to be attached to a bone, a guide adjustably connected to the base member, a first marker removably attached to the base member and a second marker removably attached to the guide. In navigated surgery, the first and second markers enable the position of the guide to be determined relative to the position of the base member and bone, to which it is attached. The guide may have a planar cutting surface for guiding a blade or a circular aperture for guiding a drill.

The invention relates to a double-layer assembly line with the interval adjustable. An upper layer adjustable assembly line of the double-layer assembly line with the interval adjustable is installed on a lower layer adjustable assembly line. When an adjusting screw rod is rotated, two upper belt mounting plates can move outwards or inwards simultaneously under the action of synchronizing wheels, meanwhile, under the action of four connecting frames, lower belt mounting plates can be driven to move outwards or inwards simultaneously under the action of lower sliders, thus, the distance between upper transmission belt wheels and lower transmission belt wheels can be adjusted simultaneously to adapt to carriers with various widths, three carrier lifting mechanisms and three carrier stopping mechanisms are installed on an upper plate of the upper layer adjustable assembly line, the carriers are jacked and positioned by the carrier lifting mechanisms after being stopped, and then each carrier can act in a corresponding station and flow to the next station after the action is completed; lifting air cylinders are installed on a lower plate of the lower layer adjustable assembly line, and stop dogs are connected to the lifting air cylinders. The double-layer assembly line with the interval adjustable is used for transporting product carriers, the carriers can stop in any position of the assembly line for machining, and thus the double-layer assembly line with the interval adjustable can adapt to different products.

The invention discloses a high-temperature three-dimensional digital image related measurement system and a high-temperature three-dimensional digital image related measurement method. The system comprises a digital camera, an imaging lens, band-pass optical filter, a monochromatic light source, a calibration board, a support system and a computer, wherein the support system consists of a triangular bracket, a guide rail and a translation stage; and the computer is used for acquiring a digital image and performing analysis processing. The measurement method comprises five steps. In the system, the band-pass optical filter is arranged in front of the imaging lens of the digital camera, so that the influence of the thermal radiation of a high-temperature object on the brightness enhancement of an acquired image of the camera can be reduced effectively. In the measurement, a measured object is lighted by adopting the monochromatic light source of which the lighting wavelength is positioned in a band-pass range of the band-pass optical filter. By using the system and the method, a brilliant image of the surface of the high-temperature object at the surface temperature of over 500 DEG C is acquired, wherein the image can be directly analyzed and processed by a three-dimensional digital image related method to acquire the three-dimensional morphology of the surface of the high-temperature object and a three-dimensional deformation field under the action of a thermal load. The system has a compact structure, is convenient to operate, and has a wide application range and high measurement precision.

Plate devices are provided for mounting to bone and receiving one or more spinal rods. The devices may include coupling members or rod receiving members coupled to the plate member and configured to have multiple degrees of adjustability in order to accommodate elongate connecting members of various orientations. The plate devices may also include quick locking features or locking devices that secure multiple points of articulation simultaneously.

A fastener has a screw with an anchor located thereon, the anchor being spaced apart from the head. The anchor has a cut-away portion with a leading edge and a trailing edge of the cut-away portion angling downward. The leading edge angles downward a further distance than the trailing edge. The anchor is spaced apart from the head by a distance corresponding to a thickness of a layer of material to be affixed to a support by an adjustable distance. The layer of material has a small opening therein to accommodate the screw. When the screw is inserted through the opening and into the support, the anchor turns through the opening, even though the opening is smaller than the anchor so that the material is located between the anchor and the head. The screw can then be turned further into the support or further out of the support to adjust the distance between the material and the support in order to align the material as desired.

An adjuster device includes (a) a shaft held by a vehicle body; (b) an arm extending from the shaft in a direction intersecting an axial direction of the shaft; (c) an actuator causing one of rotation of the shaft and axial movement of the shaft in the axial direction; and (d) a motion converter converting the one of the rotation of the shaft and the axial movement of the shaft, into the other of the rotation of the shaft and the axial movement of the shaft. The arm is connected at a distal end portion thereof to one of at least one suspension arm, so as to enable the rotation of the shaft to cause change in a vertical distance between a wheel and the vehicle body. The shaft is connected to one of the at least one suspension arm and/or to an axle carrier, so as to enable the axial movement of the shaft to cause change in an alignment of the wheel. Also disclosed is an adjusting system including the adjuster device.

A system and method for using a book/laptop stand is disclosed. The book/laptop stand comprises a short or tall stand, and a mounting deck. The mounting deck comprises a mounting platform, mounting platform coupler, slide clamps, and slide clamp slots. The mounting platform can both rotate and swivel 360°, and is attached to either of the stands by the mounting coupler. Both the height and width of either stand can be adjusted, with optional detents to fix at predetermined locations. The mounting coupler rotationally frictionally couples the mounting platform to the stands. The mounting platform includes slide clamps that are adjustable in location within slide clamp slots. Detents can also be provided for the mounting coupler. The slide clamps include a locking lever, attached to which are a rolling ball that allows users of the book/laptop stand to substantially easily turn pages of a book.

The invention relates to a head-up display device, including a projector for generating a light beam carrying information to be displayed, a combiner having a display position for displaying the information in the field of vision of a user, and an optical system defining an optical path between the projector and the combiner when the latter is in the display position thereof, for directing the light beam onto the combiner. The optical system includes a first and a second deflecting mirror. The first mirror is arranged for receiving the light beam from the projector and for sending said light beam to the second mirror, the latter being arranged for sending the light beam over the optical path toward the combiner. An actuation system is provided for adjusting the length of the optical path between the projector and the combiner by positioning the first and second deflecting mirrors.

The invention discloses an air spring testing device which comprises a working table (1), a first cylinder (2) connected with an air source, a tension and pressure sensor (3) and a grating ruler displacement sensor (5). A piston rod of the first cylinder (2) can push a tested air spring to extend and contact, the grating ruler displacement sensor (5) is used for measuring the route of the air spring (4), and a controller (6) and a displayer (7) are arranged on the working table (1). The air spring testing device can perform detection on airtightness, accuracy, service life and force value changing during the route of the air spring.

A vehicle loading ramp (10) broadly comprises a first load-bearing platform (16), a second load-bearing platform (20) preferably substantially identical to the first platform (16), and a brace (20) that can be positioned between the platforms (16,18) in order to adjust and rigidly fix a distance between the platforms. In each of several embodiments, the brace (20) may be configured to adjust the distance between the platforms (16,18) in order to accommodate different offsets between wheels of different wheeled vehicles. The brace (20) can also fix the distance between the platforms (16,18), thereby providing rigidity and preventing the platforms (16,18) from moving with respect to one another, either laterally or longitudinally.

A multipurpose tool for gripping an object and determining an orientation of a surface comprises a first arm with a jaw at one end and a grip at an opposite end and a second arm pivotally connected to the first arm about a pivot point. The second arm also has a jaw at one end and a grip at the opposite end. The grips are moveable between an open position for opening the jaws and a closed position for closing the jaws. At least one level vial is mounted on at least one of said arms such that the arm may be placed into engagement with the surface for determining the orientation of the surface.

The invention discloses a magnetic attraction type wall-climbing robot which comprises a frame, wheels, motors, a strong magnetic block set, a power source, an upper supporting plate, a lower supporting plate and supports. The motors are arranged on the supports located on the bottom face of the frame. The motors are connected with the wheels. The strong magnetic block set is connected to the bottom of the frame through cooperation of screws and nuts. The upper supporting plate is provided with a drive system, the lower supporting plate is provided with a control system, and the control system is connected with the drive system. The drive system is connected with the motors. A wheel type structure is adopted by the magnetic attraction type wall-climbing robot, so that movement flexibility is good, strong magnetic blocks are used for magnetic attraction, loading capacity is high, the distance between the strong magnetic block set and a magnetic conductive surface is adjustable, and the loading range is wide. The magnetic attraction type wall-climbing robot is simple in structure, low in manufacturing cost, and capable of being widely applied to cleaning, coating, detecting and other operations on pipelines, storage tanks and other working conditions.

The invention provides a gearbox test bed based on multi-information fusion and a detection method thereof; the gearbox test bed comprises a test bed pedestal; a gearbox mounting base is arranged on the test bed pedestal; a to-be-tested gearbox is installed on the gearbox mounting base; an input shaft at the left side of the to-be-tested gearbox is connected with an output shaft of a first torque and rotating speed sensor by means of a first universal coupling; the input end of the first torque and rotating speed sensor is connected with an output shaft of a servo motor by means of a first coupling; an output shaft at the right side of the to-be-tested gearbox is connected with an input end of a second torque and rotating speed sensor by means of a second universal coupling; the output end of the second torque and rotating speed sensor is connected with the load by means of a second coupling; the to-be-tested gearbox is respectively connected with a vibration signal detection module, a temperature detection module and an oil liquid information detection module; the vibration signal detection module, the temperature detection module and the oil liquid information detection module are respectively connected with a controller module; and the controller module is connected with the load.

Disclosed is a wheel flange planeness detection device, comprising a frame, a lifting cylinder, a lifting platform, guide posts, a support frame, a servo motor, a bearing seat, a shaft, a bearing, a rotating platform, guide rails, a sliding block, a small chain wheel, a large chain wheel, a clamping cylinder, a chain wheel driving motor, a left sliding plate, rotating shafts, rotating wheels, a visual sensor, clamping guide rails, gear rack structures, a right sliding plate, intelligent dial indicators, a support plate, a linear motor and a motor support. The device may monitor the state of flange planeness in an automatic production line in real time; when the flange planeness is out of tolerance, the device may immediately give an alarm, and the technologist adjusts the machining process in time after receiving the alarm, thereby avoiding a large batch of rejects.

The invention discloses a cable twisting device, which comprises a base; both sides of the bottom part of the inner wall of the base are fixedly equipped with first motors, and first belt wheels are fixedly mounted on output shafts of the first motors; the surfaces of the first belt wheels are in driving connection with second belt wheels through a belt, the inner parts of the second belt wheels are fixedly equipped with rotary shafts; the one end of each rotary shaft far from the second belt wheels is fixedly equipped with a gear, and one side of the gear is meshed with a rack bar; the top end of the rack bar crosses through the top part of the base and extends to the outer part of the base. The invention relates to the technical field of cable twisting. According to the cable twisting device, a release cylinder is driven to lift by mounting the first motor at the bottom part of the inner wall of the base, driving the rack bar to lift through the first motors; through mounting the screw rod in the release cylinder and driving the limiting plate to move through the screw rod, the working state is flexibly adjusted, the safety is improved, the labor load is reduced, and the working efficiency is improved.