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226 results about "Pinning points" patented technology

In a crystalline material, a dislocation is capable of traveling throughout the lattice when relatively small stresses are applied. This movement of dislocations results in the material plastically deforming. Pinning points in the material act to halt a dislocation's movement, requiring a greater amount of force to be applied to overcome the barrier. This results in an overall strengthening of materials.

Pressure pot lock cover structure

The invention relates to a pressure pot lock cover structure which comprises a pot body and a pot cover. A plurality of lower pot teeth are annularly arranged on the top of the pot body. Upper pot teeth are arranged at the bottom of the pot cover. The number of the upper pot teeth is the same as that of the lower pot teeth. The two sides of each lower pot tooth are provided with a forward side edge and a reverse side edge respectively, wherein the reverse side edge of at least one lower pot tooth is a blocking edge, and the forward side edges and the other reverse side edges are guiding bevels. A lock pin is transversely arranged inside the pot cover in a sliding mode. The lock pin is located at the portion above the end, corresponding to the lower pot teeth with the blocking edges, of the upper pot teeth. The lock pin points to the center of the pot body. When the pot cover and the pot body are closed, the upper pot teeth are buckled to the bottom of the corresponding lower pot teeth, the lock pin and the blocking edges are blocked, and the outer surface of the pot cover is provided with an unlocking control for controlling the lock pin to get away from the blocking edges. The structure has the advantages that safety and reliability are achieved, the cost is low, operation is convenient, the structure is simple and easy to use, it is ensured that a pressure pot cover cannot be opened violently in the using process of an electric pressure pot, and one-button uncovering can be achieved in a matched mode.
Owner:ZHONGSHANCITY GAOTONG ELECTRIC CO LTD

Orthodontic bone screw

A self-positioning and self-starting, tapered thread, orthodontic bone screw (25) for use in intra-oral corrections that serves as a craniomaxillofacial rigid post for orthodontic appliance fixation. The tip of the bone screw incorporates a defined sharp pin-point tack tip (2) to easily pierce the soft tissue and initially penetrate into the host bone for alignment and penetration. In series with the tack tip is a self-tapping, double, tapered thread (11) which allows an orthodontist to insert the bone screw post into the host bone in a single operation without the need for opening or flapping the surrounding soft tissue. As the bone screw penetrates the bone site, the tapered threads (24) allow for easy thread pick-up into the host bone while the increasing outer diameter of the thread (26) rigidly locks into the crestal bone. Once attached and fixated in the host bone, the distal cylindrical dome shaped driver head (12) acts as the fixation post for the anchorage of orthodontic appliances. Incorporated into the cylindrical dome shaped driver head are several attachment features including cross holes (13) and a snap-on undercut groove (19) for attaching orthodontic appliances either individually or simultaneously. The dome shaped head also incorporates a spline driver feature for easy pick-up, assembly and insertion of the screw with a corresponding spline driver tool (27) that allows the screw to be driven with either a standard square or cross slot driver feature.
Owner:ACE SURGICAL SUPPLY

Directional and universal wheel interchanging device of automatic guided vehicle

The invention relates to a directional and universal wheel interchanging device of an automatic guided vehicle. The directional and universal wheel interchanging device comprises universal wheels mounted at the front end and the rear end of the bottom of a chassis of the automatic guided vehicle, universal shafts of the universal wheels extend to the upper side of the chassis, the periphery of each universal shaft at least consists of a plane and an arc surface, ejector pins corresponding to the universal wheels are further arranged on the chassis and disposed on push plates in such a manner that the ejector pins can slide back and forth on the push plates, one end of each ejector pin points to the periphery of the corresponding universal shaft, the push plates are arranged on the chassis in such a manner that the push plates can slide back and forth on the chassis, the push plates are connected with motor shafts of driving motors by lead screw transmission pairs, the driving motors are fixedly disposed on the chassis, and travel switches are respectively disposed at the front and the rear of each push plate and electrically connected with the corresponding driving motor. The directional and universal wheel interchanging device has the advantages that lead screws are driven to rotate by the motors rotating clockwise and anticlockwise according to a direction selection function of the universal wheels, a universal effect of the universal wheels is changed into a directional effect by means of compressing the universal shafts of the universal wheels via the ejector pins, stability of the AGV (automatic guided vehicle) in a bidirectional moving process is realized, and the height of a body of the AGV is reduced.
Owner:GUANGDONG JATEN ROBOT & AUTOMATION

Testing jig for testing mobile phone PCB pin point conduction

The testing jig for testing mobile phone PCB pin point conduction. The testing jig comprises a testing table and is characterized by further comprising a supporting plate, a footstock, an air cylinder, a locating carrying plate, a movable plate, a probe insertion plate and probes. The supporting plate is arranged on the rear side of the testing table. The footstock located above the testing table is connected to the front end of the supporting plate. The locating carrying plate where a PCB is placed is arranged at the bottom of the front end of the footstock. The air cylinder is arranged at the bottom of the rear end of the footstock. An air cylinder rod of the air cylinder is connected with the transversely-arranged movable plate. The probe insertion plate is arranged at the top of the movable plate. The multiple probes are arranged inside the probe insertion plate. The testing jig solves the problems that the downwards-pressing design is adopted in testing devices for testing mobile phone PCB pin point conduction, the PCB is possibly damaged due to pressing, the testing devices do not have the lighting function, and therefore use is inconvenient to achieve. The testing jig for testing mobile phone PCB pin point conduction is simple in structure, good in lighting effect and convenient to use, and the ascending design is adopted so that the PCB can be prevented from being damaged by pressing.
Owner:KUSN MAIZHI FIXTURE TECH

Plastic injection mold for composite cap overturning bottle cap

The invention provides a plastic injection mold for a composite cap overturning bottle cap. The plastic injection mold comprises a mold frame structure assembly, a runner material releasing assembly, a molding assembly, a front mold ejecting out assembly, a thread releasing mechanism assembly and a mold opening sequence control assembly. A gating system is designed into the manner that feeding is carried out from the center of a product through a pin-point gate, and the mod is provided with eight cavities. The ejecting out manner that gas enters from a gas nozzle to carry out gas ejecting is finally adopted. According to the technical scheme, the front mold ejecting out assembly, the thread releasing mechanism, the read mold ejecting mechanism and the improved type mold structure are designed oriented to the problems that in an existing mold technology, an overturning cap sticks to a front die and cannot be completely ejected out in a full-automatic manner in the ejecting out process, manual auxiliary mold releasing is needed, and consequently the mold production efficiency is low; thus, defect-free automatic molding production of the product is achieved, and the product forming quality is effectively ensured; and the plastic injection mold is reasonable in structure design, stable in work, safe and reliable.
Owner:佛山市顺德区铭三锋模具有限公司

Methods for Validation and Modeling of a Bayesian Network

This invention patent application describes mathematical methods to evaluate and validate the numbers in the conditional probability tables of a Bayesian network. Using the methods described here, the nodes of interest in the network could be evaluated for validity of the information they contain and errors could be detected by domain experts or knowledge engineers very easily. If there is a disagreement between knowledge engineers or domain experts belief of what the interaction should be and what is detected in the behavior of nodes selected for validation as shown in the reports, then, those errors could be easily located in the structure of the Bayesian network by pin pointing the table, column and row of the problematic cell. Then, the knowledge engineer or domain expert could modify the numbers to reflect the correct behavior. These methods also provide significant insight into the structure and efficiency of the structural design of the Bayesian network as well as value of information in the network. Using this information, hypothesis oriented application of Bayesian network is possible and evidence most relevant to the hypothesis of interest could be instantiated first. Additionally, the shortest path to rule-out or rule-in of a hypothesis could be known before the network is used. Applications of these methods in computer software could allow for streamlined and semi-automated design and validation process and construction of Bayesian networks. Furthermore, by using an almost reverse process, information about a domain can be captured and sorted lists prepared which in turn will be used to prepare a preliminary Bayesian network. Data elicitation using the network created in this fashion will complete the structure and probability tables of the Bayesian network.
Owner:SADEGHI SARMAD
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