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39581 results about "Threaded rod" patented technology

A threaded rod, also known as a stud, is a relatively long rod that is threaded on both ends; the thread may extend along the complete length of the rod. They are designed to be used in tension. Threaded rod in bar stock form is often called all-thread.

Method and relaxable distracters for in-situ formation of intervertebral disc prosthesis

A method and a distracter for replacing a removed, intervertebral disc with a prosthesis. An inter-body distracter is inserted within the intervertebral space between adjacent vertebrae, the vertebrae are distracted and are supported by the distracter. A fluid, curable polymer is injected into the intervertebral space and around the distracter and then the polymer is cured to a semi-rigid, pliable, elastically deformable state. The distracter is then disabled from supporting compressive forces applied by the vertebrae and remains in place. The preferred distracter is a scissors jack having intermediate bearings joined by links to support feet. One of the bearings has a threaded lateral bore and the second bearing has a lateral bore. A rod extends through the bores and has a threaded portion extending from a first end of the rod and threadedly engaging the threaded bearing. The inside diameter of the second bore is greater than the outside diameter of the threaded portion of the rod so the rod is axially slidable through the second bore. A thrust bearing is fixed on the threaded rod and positioned laterally outwardly of the second bearing for forcing the second bearing laterally toward the first bearing upon rotation of the rod in one direction and for permitting the rod to be withdrawn from the bearing by rotating the rod in the opposite direction and disengaging it from the first bearing. Alternative distracters are also disclosed.
Owner:SYBERSPINE

Threaded hoist ring screw retainer

An omni-positional hoist ring assembly including a bushing element that includes a sleeve with an axial length, a proximal end and a distal end. A load bearing flange is radially disposed about the proximal end of the sleeve. The sleeve has an internal thread extending at least part way of the axial length of the sleeve. A mounting screw element has a major axis, a head, and a shank disposed generally co-axially around the major axis. The shank includes a threaded shank portion and a bearing portion. The bearing portion is a generally cylindrical axially extending portion of the shank that has a diameter approximately equal to the minor diameter of the thread in the threaded shank portion. A thrust washer element is provided between the head and the distal end of the sleeve. A body element receives the in-turned opposed ends of the legs of a lifting loop element in sockets. The lifting loop is free to pivot. The body element is free to rotate about the sleeve, so the lifting loop will self align with a load that is applied to it from any direction within a hemisphere centered on the major axis of the mounting screw element. The elements of the hoist rig assembly are assembled by aligning them and inserting the mounting screw element into the sleeve and threadably advancing it until the bearing is aligned with the internal thread so further rotation of the mounting screw element does not threadably advance the mounting screw element relative to the sleeve.
Owner:MJT HLDG

Device for simultaneously grinding inner walls and outer walls of steel pipes

The invention discloses a device for simultaneously grinding the inner walls and the outer walls of steel pipes. The device comprises a workbench, a support, a collecting tank, a clamping mechanism, an outer grinding mechanism and an inner grinding mechanism; the support is arranged at the upper end of the workbench, and the clamping mechanism is arranged at the left end of the inner side of the support and comprises a clamping plate, a rotating motor, an annular gear, a gear, electric telescopic rods, supporting plates, rubber pads and springs; the outer grinding mechanism is installed at thelower end of a moving block; and the inner grinding mechanism is arranged under the outer grinding mechanism and comprises an inner grinding wheel, a threaded rod B, a fixing sleeve, a threaded sleeve, a second sliding groove, an electric hydraulic cylinder, a drive gear, a driven gear A, a driven gear B, a rectangular block and a connecting rod. The device is novel in design, simple in structure, capable of simultaneously grinding the inner walls and the outer walls of steel pipes with different thicknesses, high in grinding efficiency, wide in application range, capable of effectively preventing impurities such as scrap iron from polluting the environment, high in practicality and worthy of popularization.
Owner:宁波高新区峰林化工科技有限公司

Medical instrument sterilization, cleaning and drying integral equipment

The invention discloses medical instrument sterilization, cleaning and drying integral equipment which comprises a tank body, a threaded rod, a first motor, a movable block, a rotating shaft, a spring, a holding frame, a gear, a sterilization device, a cleaning device, a drying device, a collecting frame and a rack, wherein the sterilization device comprises a disinfectant tank, a first pump body,a second motor and a brush plate; the cleaning device comprises a water tank, a second pump body and a cleaning plate; the drying device comprises a drying plate, a drying lamp and an ultraviolet raysterilization lamp. Due to adoption of the sterilization device, a disinfectant can be sprayed while a medical instrument is brushed, so that the sterilization effect is improved; due to adoption ofthe cleaning device, the disinfectant is prevented from being retained on the medical instrument to do harm to skin of medical operators; due to adoption of the drying machine, two drying modes are implemented simultaneously, so that a rapid drying speed and a good drying effect are achieved; due to adoption of the gear and the rack, a medical instrument in the holding frame can automatically slide into the collecting frame conveniently and rapidly, and meanwhile the consequence that the medical instrument is contaminated again as operators contact the medical instrument is avoided.
Owner:黄莉
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