50 results about "Rolling sphere" patented technology

An optical mouse is operated on a work surface and includes at least one light emitter for emitting a light beam; a light receiver contained by a casing; a rolling ball arranged on the casing and opposite to the light receiver. The light beam has only one reflection by the rolling ball during an optical path thereof and then is detected by the light receiver. The rolling ball is made of transparent material and the distance thereof with the light receiver is adjustable to vary image resolution. The optical mouse can be turned over and placed on a notebook computer for using as a track ball.

One aspect of the present invention includes an adjustable balance board for use in rehabilitation, fitness training, and action sports such as skateboarding, snowboarding, and surfing. The balance board comprises of a solid standing platform placed on top of a variety of fulcrums. The fulcrums include, but are not limited to, a fixed half sphere, a free rolling cylinder, and a free rolling sphere. A railing system on the underside of the board acts to contain the fulcrum within the available rolling space. The available rolling space is made adjustable by two removeable end stops, each with a mechanism that secures the end stop to the railing system.

This invention discloses an omnidirectional rolling sphere Robot device with stable platform, belonging to mechanical technology field, which relates to device for controlling the over land vehicle, watercraft two-dimension walking in non-electric variable controlling-adjusting system, mainly used to solve problems of executing different experiments and testing in present robot device without relative stable platform, install equipment. The invention comprises external shell, motor, rotary table, weight, internal shell, stable platform and plat stable machine located in external and internal shell. Wherein, the inner shell and outer are located with one center, stable platform composed by ball bearing and stub is located in the inner shell, and stays state of stable translating motion. The invention can be applied in exploring, transportation, detection, entertainment and military.

The invention belongs to the field of environmental engineering, environmental science, bioengineering, and water supply and drainage science and engineering, and relates to a cylindrical shallow layer sediment sampler, which comprises a sediment sampling device and a sediment sample cutting packaging device sleeved inside the sediment sampling device, wherein the sediment sampling device comprises a lower handle, an outer bush, a guider and a sampling head, the lower handle, the outer bush, the guider and the sampling head are sequentially connected, the sediment sample cutting packaging device comprises an upper handle, an inner drive rod and a rolling sphere, the upper handle, the inner drive rod and the rolling sphere are sequentially connected, the inner drive rod and a fixation nut arranged on an inner hole of the outer bush form a matched threaded connection, downward movements of the inner drive rod and the rolling sphere drive an upper drive block, a lower drive block, an inner bush, a barrier block and a cutting cutter head to move down, the lower portion of the cutting cutter head gradually invert inward and encloses with position limitation of the guider, and the upper handle is positioned on the upper end surface of the sediment sampling device. The cylindrical shallow layer sediment sampler has the following advantages that: characteristics of labor saving, convenience and high efficiency are provided during sampling, the sampled sample is complete, and the sampler can be adopted as a sampling device for sediment and sediments.

The invention discloses a method for segmenting an aortic-valve ultrasound image sequence based on an interframe-shape-constraint GCV model. The method includes the following steps: acquiring a group of ultrasound images and carrying out Wiener filtering; calculating a gradient vector flow field of each image frame by frame and adding the gradient vector flow fields to a CV model as energy constraints and obtaining the GCV model; through defining an initial constraint shape and adding the initial constraint shape into the GCV model as an energy constraint item and then minimizing an energy functional so that a segmentation result of a first frame of image is obtained; and carrying out filtering of a rolling sphere method on the aortic-valve segmentation result of an adjacent previous-frame image and adding the obtained result into the GCV model as an energy constraint item so that the segmentation result of a current frame is obtained through calculation. The method for segmenting the aortic-valve ultrasound image sequence based on the interframe-shape-constraint GCV model is operated on short-axis images of ultrasonic cardiograms so that not only is work load of doctors reduced, a problem that serious overflow in segmentation of the aortic-valve ultrasound images in the prior art is also solved. The segmentation result is extremely close to the result of manual segmentation. The method enables the aortic valve to be segmented in a simple and highly-efficient manner.

The invention discloses a universal sounding lead device. The universal sounding lead device comprises a rolling sphere. The rolling sphere is formed by connecting two semispheres through a middle rotating shaft. A rotating rod is arranged in the gap between the two semispheres. An annular through hole is formed in the bottom end of the rotating rod. The middle rotating shaft between the two semispheres penetrates through the annular through hole in the bottom end of the rotating rod, a limiting block is arranged at the top end of the rotating rod, and threads are arranged in the position, above the limiting block, of the surface of the rotating rod. A suspension part is arranged at the top end of the rotating rod in a sleeved mode through the through hole. A setscrew nut is screwed to the top end of the rotating rod, so that the suspension part is fixed between the nut and the limiting block. According to the universal sounding lead device, by the arrangement of the suspension part which can horizontally rotate around the rotating rod and the rolling sphere which can move front and back, the universal sounding lead device can move in any direction on sounding pipes; the universal sounding lead device is suitable for sounding pipes on a vertical section and also can be applied to sounding pipes with continuous elbows, and is wide in application range and high in practicality.

This invention relates to double rolling bear oil extraction bar correction device, which comprises corrector bar with screw on ends, composite correction cover, rolling bar, limit ring and fix ring. The invention is characterized by the following: setting two correction cover with each one composed of two correction blocks and four or six hard nanometer ceramics rolling sphere part as hole tank of protruding part with anti-ware and anti-erosion property; the rolling sphere part is in order of four or six edges.

The invention provides a handheld training device with a circular pipe with a built-in rolling ball, and belongs to the field of physical exercise equipment. The handheld training device has the advantages that the training device can conduct periodic circling motion in one plane, and the arm strength of the arms is trained while the coordinate ability of muscles of the whole body can be trained. The training device is composed of a circular pipe (1), a handheld shaft (2) and the rolling ball (3). The circular pipe is a pipe bent to be in a circular ring shape. The middle of the portion, bent to be in the circular ring shape, of the circular pipe is the handheld shaft which can be held by the hands conveniently, and the rolling ball is located in the circular pipe and can roll freely in the circular pipe. The circular pipe is formed by machining metal or plastic and provided with a plurality of small holes so that movement of the rolling ball can be observed conveniently. The handheld shaft is formed by machining metal, the surface of the handheld shaft is wrapped with plastic or rubber, and the feeling in holding the handheld shaft by hands is improved. The rolling ball is made of metal materials and silica gel and in a spherical shape, the middle of the rolling ball is a solid metal ball, the weight is mainly provided by the solid metal ball, and the surface of the rolling ball is wrapped with the silica gel and mainly used for buffering and damping when rolling.

The invention provides a rope belt symmetrizing tension device which comprises a supporting seat, a lead rail pressure plate, a bearing inner ring, a bearing outer ring, a bearing rolling sphere, a hydraulic cylinder and a tension wheel. Two parallel inner sides of the bearing inner ring are buckled with the lead rail pressure plate to form a V-shaped movable lead rail face and form a V-shaped movable lead rail pair with a lead rail face on the supporting seat; the bearing outer ring is formed by a bearing left outer ring and a bearing right outer ring which are buckled together; a cylinder of the hydraulic cylinder is mounted on the bearing inner ring, and a piston rod of the hydraulic cylinder is connected with a supporting plate; and the tension wheel is fixed on the bearing outer ring. The invention has reasonable structure, can dynamically adjust the position of the tension wheel through the hydraulic cylinder and realizes tension adjustment through the movable lead rail pair, thereby ensuring that each string-bead rope has table and adjustable tensioning force in multi-rope transmission and symmetrizing the tensioning force of each rope.

A dustfree and waterproof rolling-ball optical mouse comprising: a concave housing (1); a rolling ball (3) movably engaged with said concave housing; a dustproof gasket (2) fixed on the concave surface of the concave housing; a leakage hole (22) of a conduit (4) defined in a center of said concave surface of said concave housing; an aperture (21) for allowing light through which is eccentrically defined in the bottom of said concave surface of said concave housing; and a waterproof tab (28) formed around the edge of said aperture.

The invention discloses a sphere electric iron, comprising not only an iron body, a bottom plate, a handle, a electric heating component, a temperature sensor, a control unit, but also rolling spheres, wherein, the rolling sphere is arranged on the bottom plate through bearings on the both sides and is protruding from the lower part of the bottom plate, so when ironed, the clothing are contacted through rolling friction contact clothing but sliding friction; the electric heating component is arranged in the ball, the positive and the negative power cords is led out separately by the bearings on the both sides of the rolling sphere after electric brushes; the temperature sensor locates above the rolling sphere, below the iron body. The structure of the invention is simple, the rolling sphere irons folds through stress concentration, the ironing efficiency for folds is improved, and the invention is suitable for all electric irons.

Methods and systems for versatile and scalable board games include a double dovetail scalable board, crown, bridge, and door game pieces, tilting mechanisms and game play, rolling sphere game play, and a marble kinetic timer.

The invention relates to a rolling ball screening machine, which comprises a bracket, a hollow rolling ball, a rolling ball rotating shaft and a rolling ball abutting wheel; the support includes an upper pole and a lower pole; The outer vertically penetrates the center of the hollow rolling ball and is rotationally connected with the hollow rolling ball; the upper and lower ends of the rolling ball rotating shaft are respectively arranged on the upper support rod and the lower support rod; An upper sliding groove and a lower sliding groove are respectively arranged horizontally; the upper and lower ends of the rolling ball rotating shaft are respectively connected to the upper sliding groove and the lower sliding groove horizontally; and the upper spring and the lower spring in the lower sliding groove; one end of the upper spring is connected to the upper support rod, and the other end is connected to the upper end of the rolling ball rotating shaft; one end of the lower spring is connected to the lower supporting rod, and the other end is connected to the lower end of the rolling ball rotating shaft; The end of the upper end of the roller rotating shaft is also provided with an anti-down block.

The invention discloses a lining pipe attaching device and method for CIPP elbow repair. The lining pipe attaching device comprises sphere mechanisms capable of expanding. The multiple sphere mechanisms communicate through a pipeline mechanism. An attaching mechanism is arranged on the pipeline mechanism in a sliding manner. A traction assembly is arranged in each sphere mechanism. The traction assemblies in two adjacent sphere mechanisms are connected with the attaching mechanism through traction ropes, and thus the traction assemblies can drive the attaching mechanism to move in a reciprocating manner in the length direction of the pipeline mechanism through the traction ropes. The attaching mechanism comprises sliding rings sleeving the pipeline mechanism, a supporting disc, a first crank, a second crank and a rolling sphere. One end of the first crank is hinged to the supporting disc, and the rolling sphere is arranged at the other end of the first crank in a rotating manner. One end of the second crank is hinged to the siding rings, and the other end is hinged to the first crank. The device and the method solve the problem that after a traditional CIPP technology is utilized for repairing an elbow, a lining pipe cannot be effectively attached to the inner wall of a pipeline.

The invention discloses an installation track capable of achieving free rotating and swinging of a track lamp. The track comprises a track ring fixedly mounted on the top surface of a wall, wherein asliding groove is formed in a lower surface of the track ring, a track groove is formed in the groove bottom of the sliding groove, a plurality of rolling balls are installed in the track groove in arolling mode, a connecting rod is installed at the lower end of each rolling ball in a rolling mode, a lamp post is fixedly connected to the lower end of each connecting rod, and a lamp body is fixedly installed at a lower end of each lamp post. The installation track capable of achieving free rotating and swinging of the track lamp is advantaged in that the track lamp can irradiate and rotate andswing on the installation track at the same time, so lamplight swings left and right along with the track lamp, the atmosphere in an exclusive store is effectively improved, selling is promoted, thesales volume is increased, functions are rich, and practicability is good.

The invention discloses a straight tube pin hook type spherical omnidirectional wheel which comprises a rolling sphere, an inner tube body covering the rolling sphere, a plurality of movement-guidingrolling balls and an outer tube body, wherein the movement-guiding rolling balls are arranged at the inner upper part of the inner tube body and in contact with the surface of the rolling sphere; a fixing bolt is mounted on the top of the outer tube body and used for connecting to other devices; pin hook assemblies are arranged on the outer circumference of the outer tube body; the pin hook assemblies comprise fixing frames and pin hooks; the pin hooks are mounted on the fixing frames and pivoted on the fixing frames; a pin hook groove is arranged in the outer tube body; hooks of the pin hooksare utilized to penetrate into the pin hook groove and to be pressed against the top surface of the inner tube body; and the tube body inner height of the outer tube body is greater than the height of the inner tube body and the rolling sphere after combination. In the straight tube pin hook type spherical omnidirectional wheel, the rolling sphere, the rolling balls and the inner tube body are used as the omnidirectional wheel; the outer tube body is used as a lifting support leg and supported by a compression spring; and a guide protrusion cooperates with a guide groove. By virtue of the pinhook assemblies, the straight tube pin hook type spherical omnidirectional wheel can not only preserve all functions of the omnidirectional wheel but also realize the same function of an ordinary table leg when movement is not required. The structure is simple to manufacture, easy to implement and convenient to use.

The invention relates to a mortar, in particular to a manual rolling-sphere-type mortar. The manual rolling-sphere-type mortar comprises a lower pot body and an upper pot body, the lower pot body and the upper pot body are provided with hemisphere-shaped cavities equal in diameter, two semicircle holes are symmetrically formed in the contact surfaces of the lower pot body and the upper pot body respectively, the opening of the upper pot body is provided with a circle of protruded block, the protruded block is in transition fit with the opening of the lower pot body, a cap is arranged on the top end of the upper pot body, a threaded protruded block is arranged on the lower end of the cap, the cap is in treaded connection with the upper pot body, the diameter of a rolling sphere is 3-5mm lower than the cavity diameter of the upper pot body or the lower pot body, a pair of rocker arm are symmetrically arranged on the two sides of the rolling sphere, and concave and convex lines are formed in the surface of the rolling sphere. When the manual rolling-sphere-type mortar is in use, the food can be put inside the pot and the rolling sphere is shaken by hand grinding to conduct grinding and food scattering outside the pot can be effectively avoided.

An optical slide mouse with rolling ball is composed of a shell with a planar bottom having the first opening, a ball in said shell, and a light source in the shell for generating light beam to irradiate said ball, and a control circuit in the shell and having an optical recognizing unit for recognizing the change in reflected light of ball.

A ball rolling unit for fun to initiate vision and hand coordination for pre-school children includes multiple canopies, a section of course extending downward at a certain inclination being sewn to each canopy; an inner peripheral of each course and its corresponding sides being sewn with hooks and loops of a Velcro to open or close each course; and a ball rolling upon the ball rolling unit for pre-school children standing around the ball rolling unit to roll the ball thereon by holding an edge of the ball rolling unit to pull it up and down for learning to focus on movement of an object and agile reaction of their hands in various forms of the game with each channel opened, closed, or formed into a pocket.

The invention discloses a lightning protection communication tower with higher safety. The lightning protection communication tower comprises a tower pole, a fixing sleeve, a lightning rod, a support and an antenna. The fixing sleeve sleeves the tower pole, an annular groove is formed in the peripheral side of the fixing sleeve, a rotating ring sleeves the fixing sleeve, and the rotating ring is rotationally connected with the fixing sleeve through the annular groove. The support is fixedly connected to the surface of the rotating ring, the antenna is arranged on the support, a plurality of spherical grooves are formed in the upper surface and the lower surface of the rotating ring, and rolling balls are connected into the spherical grooves in a rolling mode. According to the lightning protection communication tower with the higher safety, the rotating ring is rotationally connected with the peripheral side of the fixing sleeve, blowing of strong wind on the antenna and the support can enable the rotating ring to rotate, wind power is unloaded, the tower pole is prevented from being broken and damaged due to the fact that shearing force borne by the tower pole is too large, and the service life of the lightning protection communication tower is prolonged.