247results about How to "Easy to extend" patented technology

A method for distributing service requests to a plurality of servers without any need for preparing a special measure in the clients or performing session management is disclosed. Addresses of a plurality of clients are classified in advance into a plurality of address groups. Each of the plurality of address groups is correlated with one of a plurality of servers. A service request of a client is distributed to a corresponding server depending on which address group the client belongs to.

An adjustable electrocautery surgical apparatus for selectively delivering electosurgical coagulation and cut current from an electrosurgical generator to a surgical site is provided comprising an elongated body, an extension member passing at least partially through the elongated body, a track in the elongated body for guiding the extension member, an electrode blade attached to the extension member for cutting or coagulating tissue, and an adjustable lock coupled to the extension member for selectively adjusting the position of the extension member and electrode blade relative to the elongated body and for locking the extension member and electrode blade in a selected position. A longitudinal channel passes through a sidewall of the elongated body member. A plurality of stops are positioned in the channel for providing a sequence of stop positions between maximally retracted and maximally extended positions of the apparatus. The adjustable lock is slidably positioned in the longitudinal channel of the elongated body member so as to selectively engage the stops and thereby lock the electrode blade in a selected stop position between the maximally retracted and the maximally extended positions. The apparatus is further provided with means for electrically coupling the electrode blade to the coagulation and cut currents of the electrosurgical generator, such that coagulation or cut current, or a combination thereof, can be selectively delivered to the electrode blade.

A remotely controlled apparatus for positioning and stabbing pipe within a drilling rig derrick is provided. A support base assembly is mounted to a structural member of a drilling rig derrick. A jointed articulating boom having a boom base member and a boom arm member is attached to the support base assembly and can be pivoted about vertical and horizontal axes. The jointed articulating boom extends and retracts by cooperative motion between the boom base member and the boom arm member. A pipe gripper assembly having opposing arcuate jaws is mounted at the outer extent of the jointed articulating boom and can be pivoted about a horizontal axis. A remote control panel subassembly is used to control the movement of jointed articulating boom and pipe gripper assembly.

The present invention discloses a novel chimeric antigen receptor and applications thereof, wherein the novel chimeric antigen receptor comprises a signal peptide, an antigen binding domain, a transmembrane domain and an intracellular signal domain, and comprises a 4-1BB signal peptide and/or a 4-1BB molecular transmembrane domain. According to the present invention, a variety of chimeric antigenreceptor nucleic acid sequences are separated and purified, the chimeric antigen receptor specifically for CD19 malignant tumor antigens and the CAR-T cells are provided, and the blood cell line malignant tumor killing test results show that the tumor-cell-targeting ability of immune cells is significantly enhanced, and the tumor cell killing activity is enhanced.

A remotely controlled apparatus for positioning and stabbing pipe within a drilling rig derrick is provided. A support base assembly is mounted to a structural member of a drilling rig derrick. A jointed articulating boom having a boom base member and a boom arm member is attached to the support base assembly and can be pivoted about vertical and horizontal axes. The jointed articulating boom extends and retracts by cooperative motion between the boom base member and the boom arm member. A pipe gripper assembly having opposing arcuate jaws is mounted at the outer extent of the jointed articulating boom and can be pivoted about a horizontal axis. A remote control panel subassembly is used to control the movement of jointed articulating boom and pipe gripper assembly.

A method for tessellating a subframe using maximal-sized bricks. A brick bandwidth and a brick time duration are computed based on the heights and widths of the bursts in the subframe. Bursts within the brick-tessellated subframe are referenced using a brick-based coordinate system in which burst location and size are specified in units of bricks. A method for assembling and disassembling brick-based superframes is also disclosed. Bricked-based superframes are assembled and disassembled using a Superframe Preamble, a Superframe Control Header (SFCH), a Superframe Downlink Map (SDL-MAP), a Superframe Uplink MAP (SUL-MAP) and brick-structured downlink and uplink frames.

The invention discloses an antibacterial adhesion injectable hydrogel dressing, a preparation method and applications thereof, and belongs to the technical field of biodegradable biomedical materials.According to the method, 2,3-epoxypropyltrimethylammonium chloride (GTMAC) is grafted onto chitosan to obtain a quaternized chitosan polymer (QCS) as the main raw material of a hydrogel, p-carboxybenzaldehyde is grafted onto a triblock copolymer Pluronic< >F127 to obtain an aldehyde group-terminated Pluronic< >F127 polymer (PF127-CHO) as the cross-linking agent of the gel, and the aldehyde group-terminated Pluronic< >F127 polymer (PF127-CHO) and the quaternized chitosan polymer (QCS) are subjected to a cross-linking reaction under a physiological environment to obtain the antibacterial adhesion injectable hydrogel dressing (QCS/PF) with advantages of rapid self-healing, easy extending and easy compression. According to the present invention, the method has advantages of simple process, wide raw material source and low preparation cost; and the hydrogel dressing prepared by using the method has advantages of good adhesion, good pH responsiveness, good mechanical property, good self-healing property, good bleeding stopping property and good antibacterial property so as to be used in the field of skin injury treatment drugs.

A telescoping grab handle mounted on the side wall of the cargo box, adjacent the tailgate, in a pickup truck. The device has only one moving part which allows the telescoping grab handle to be easily raised vertically and locked into the extended position or easily lowered to the retracted or stowed position while standing on the ground outside the cargo box. The telescoping grab handle mounted on the side wall of the cargo box also overcomes many disadvantages of tailgate mounted grab handles which interfere with cargo handling and are rendered inoperable if the tailgate is damaged. The telescoping grab handle mounted on the side wall of the cargo box may be added as an aftermarket accessory, but the internal components of the device could also be incorporated directly into the side wall of the cargo box by the auto manufacturer during initial manufacture of the vehicle.

The invention relates to a tension straightening method and a tension straightening device for a wide and thick sheet metal straightener. According to the method, tension rollers are respectivelyarranged on an inlet and an outlet of the straightener to match with the rotation speed of each straightening roller, and an additional tension is produced during the processing of sheet straightening by using speed difference, so that the height of a plasticity area is increased when the sheet is bending and deformed, and the straightening effect is improved. The device consists of inlet tension rollers, an inlet guide roller, the straightener and outlet pinch rollers; the inlet guide roller is arranged at the front end of the straightener; the outlet pinch rollers are arranged at the back end of the straightener; and the inlet tension rollers are arranged at the front end of the inlet guide roller. The tension straightening method and the tension straightening device have the advantages that: the additional tension is provided for the sheet during the straightening process, the sheet is easy to extend; under the premise of the same straightener setting, wider sheet defects can be improved, and capacity of the straightener is increased; and with comprehensive consideration of the additional tension and the radius of sheet bending, load of the straightener is reduced, and the straightener is more safe and low in energy consumption.

A retractable barrier assembly comprises a substantially upright stanchion supported by a base wherein the stanchion includes a removable housing having a first end, a second end, and a sidewall extending therebetween and having an elongate opening disposed therein, a rotatable rod disposed within the removable housing, a flexible screen having a leading edge, a trailing edge, and a top edge extending between the leading edge and trailing edge, the trailing edge coupled to the rotatable rod, and the leading edge having an edge attachment mechanism for selectively coupling and decoupling with a receiving member, and a winding mechanism coupled to the rotatable rod for retractably receiving and extending the flexible screen through the elongate opening of the sidewall, wherein the barrier assembly may be placed indoors or outdoors and interconnected to one or more additional such assemblies to define designated pathways, which assembly further functions to inhibit unauthorized or undesired ingress to and egress from such pathways, which assembly is mechanically suited to permit pre-printed signage including advertising or other public or private messages on corresponding extensible and retractable gates, and which assembly may further be quickly and easily installed and removed and engaged and disengaged with additional such assemblies.

A moveable, collapsible engine test stand having adjustable engine supports and additional accessory supports that are all collapsible adjacent the base of the stand for convenient, compact storage. The stand may include accessories such as a radiator, fuel tank, instrument panel, battery, cooling lines, fuel lines, wiring harnesses, engine dynamometer and the like to permit prolonged operation and monitoring of an engine.

The invention belongs to the technical field of production and manufacturing of aluminum alloy, and relates to a seven-series aluminum alloy profile and a manufacturing method thereof. The seven-series aluminum alloy profile is prepared from the following components in percentage by weight, equal to or less than 0.5% of Si, equal to or less than 0.5% of Fe, 1.0-3.0% of Cu, equal to or less than 0.3% of Mn, 1.5-4.5% of Mg, equal to or less than 0.3% of Cr, 7.0-12.0% of Zn, 0.05-0.3% of Zr, 0.005-0.5% of Ti, equal to or less than 0.05% of each of other impurities, equal to or less than 0.15% oftotal impurities and the balance Al. According to the manufacturing method of the seven-series aluminum alloy profile, artificial seasoning can be directly conducted without an off-line solid solutionprocess, the performance of the product can also meet the requirements, the seven-series aluminum alloy profile which is excellent in strength and ductility can be produced, and the efficiency is improved while the production cost is reduced.

The ozone generating electrolysis cell (10) according to the invention has a negative electrode (13) and an ozone generating positive electrode (16) comprising a mixture of lead dioxide and polytetrafluoroethylene (PTFE). A proton conducting solid electrolytic membrane (15) is arranged between the negative and positive electrodes (13, 16). The ozone generating electrolysis cell (10) also comprises an electrically conducting, liquid and gas permeable first electrode support (17) in contact with a side of the positive electrode (16) located opposite to the membrane (15), wherein said side of the electrode support (17) has a surface covered with a platinum-containing layer. The positive electrode (16) is made of a mixture prepared by the high-pressure compression of lead dioxide grains of colloid size and PTFE filaments having a dimension of at most 1 mm. Furthermore, the negative electrode (13) is adjoined to a side of the membrane (15) located opposite to the positive electrode (16) by a given compressing force and is formed on a surface of a porous second electrode support (12).

A telescoping grab handle mounted on the side wall of the cargo box, adjacent the tailgate, in a pickup truck. The device has only one moving part which allows the telescoping grab handle to be easily raised vertically and locked into the extended position or easily lowered to the retracted or stowed position while standing on the ground outside the cargo box. The telescoping grab handle mounted on the side wall of the cargo box also overcomes many disadvantages of tailgate mounted grab handles which interfere with cargo handling and are rendered inoperable if the tailgate is damaged. The telescoping grab handle mounted on the side wall of the cargo box may be added as an aftermarket accessory, but the internal components of the device could also be incorporated directly into the side wall of the cargo box by the auto manufacturer during initial manufacture of the vehicle.

The subject invention relates to systems and methods that augment node-based programming languages to facilitate efficient data manipulation of hierarchical data structures. In one aspect, a query or general purpose language system is provided. The system includes a query component to interact with hierarchical node-based data collections and a language extension component to augment the query component to facilitate interactions with the node-based data collections. The language extension component supplies various functions to filter the data collections at a granular level, re-shape the data collections, sort the data collections, or extend the data collections with computed nodes.

The branching of fractures in shale formations surrounding a wellbore can be enhanced so that more rock surface is exposed in the formation and more hydrocarbon resources can be recovered using smaller quantities of fracturing fluids. The branching of the fractures can be enhanced by establishing a substantially static sub-threshold fluid pressure in a well in a geological formation, and generating a pressure pulse in the well such that the pressure pulse combined with the substantially static sub-threshold fluid pressure forms a plurality of fractures in the geological formation. An arc jet insertable into a passage in the geological formation and having an electric arc channel can be used to generate the pressure pulse.

The invention provides a portable screen assembly that is small, light and easy to handle and enables easy extension and contraction of a column. There is used a column for stretching a screen having at least a first cylindrical body, a second cylindrical body, and a third cylindrical body, wherein the first cylindrical body slides within the second cylindrical body, the second cylindrical body slides within the third cylindrical body, and the cylindrical bodies are located in an order of the first cylindrical body, the second cylindrical body and the third cylindrical body from an upper stage side in an extended state, the column including a first lock portion locking slide of the first cylindrical body, a second lock portion locking slide of the second cylindrical body, a lock release lever provided at an upper end portion of the first cylindrical body, a release bar having an upper end portion pivotally supported to the lock release lever so as to be movable vertically within the first cylindrical body, a first lock release portion provided at an lower end portion of the release bar and releasing the first lock portion, and a second lock release portion provided further below the first lock release portion at the lower end portion of the release bar and releasing the second lock portion.

To solve the problems in prior art, the present invention has provided a new scheme for resource sharing between user devices, which shall be easily used, implemented and extended. Also, the present invention aims to decrease the user input for resource sharing. In particular, the present invention is based on IM protocol, the sharing initiator, and its cooperators concerning the key information of the to-be-consigned tasks via IM messages. Then, preferably, the initiator chooses one or more cooperators for each of the to-be-consigned tasks after further communication with the cooperators. For each task, the chosen cooperators will be referred to as its nominated cooperators. At last, each of the cooperators will handle the task(s) consigned to it, if any, and sends the result back to the initiator.