186results about How to "Flexible cutting" patented technology

An exercise machine ergonomic handle system for providing hand-holds for the performance of exercises with reduced flexion and / or extension of the hand and wrist and reduced ulnar and / or radial deviation so as to reduce injury and allow application of full strength to the exercise machine. The exercise machine ergonomic handle system generally includes a longitudinally extending frame, a carriage that moves upon a first longitudinal portion of the frame, and at least one pair of ergonomic handles positioned on a second longitudinal portion of the frame. The ergonomic handles rotate about an axis to prevent flexion and / or extension, and can be positioned at a width and / or angle that reduces ulnar and / or radial deviation.

An exercise machine ergonomic handle system for providing hand-holds for the performance of exercises with reduced flexion and / or extension of the hand and wrist and reduced ulnar and / or radial deviation so as to reduce injury and allow application of full strength to the exercise machine. The exercise machine ergonomic handle system generally includes a longitudinally extending frame, a carriage that moves upon a first longitudinal portion of the frame, and at least one pair of ergonomic handles positioned on a second longitudinal portion of the frame. The ergonomic handles rotate about an axis to prevent flexion and / or extension, and can be positioned at a width and / or angle that reduces ulnar and / or radial deviation.

A semiconductor device is disclosed which can be miniaturized and in which structures on a semiconductor substrate therein are difficult to delaminate, as well as a method of producing the same. The semiconductor device includes a semiconductor substrate main unit, and a thin portion that is thinner than the main unit and formed such that a recessed portion is formed in the semiconductor substrate and has at least one through hole formed therein. The thin portion is formed such that the etching rate of the thin portion is slower than the etching rate of the main unit. The thin portion provides a bridging structure between both sides of the recessed portion, and can mechanically and structurally strengthen the semiconductor device with respect to forces applied from the side surfaces of the main unit of the semiconductor substrate. Thus, structures such as wires, films, and semiconductor elements formed on the main unit and / or the thin portion of the semiconductor substrate or via the through holes will be difficult to detach from the semiconductor device.

A foldable electronic display comprising first and second display panels. Each said display panel has opposed viewing and back sides and a curved edge between said viewing and back sides. Each display panel further comprises an array of pixels comprising display medium an electronics to control said array of pixels to display an image on said viewing side. The display comprises coupling means configured to retain a said edge of said first display panel adjacent to and substantially aligned to a said edge of said second display panel. The pixel array of at least said first display panel is curved to extend from said front, viewing side of the display panel at least to a region of said curved edge of the display panel. The coupling means is configured to allow rotation of a said display panel to roll the curved edge of a said first or second display panel over the adjacent edge of the other of the first and second display panels to open the display such that a boundary of the pixel array extension is not in an area visible to the user during said opening, said boundary in said region of said curved edge or back side of said first display panel.

The invention discloses an integrated workstation based on robot cutting, welding and carrying in pipe processing. The integrated workstation comprises a headstock and tailstock position changer, a movable support, a welding robot, a cutting robot, a middle sliding rail and two side sliding rails, wherein the headstock and tailstock position changer comprises a headstock base and a tailstock base; a pipe workpiece is clamped between clamping and fixing devices on the headstock base and the tailstock base; a lifting driving device is installed on a sliding base of the movable support; a roller is installed on the lifting driving device and is tangent with the pipe workpiece; the welding robot and the cutting robot are slidably installed on the two side sliding rails on the two sides of the pipe workpiec respectively to finish carrying, cutting and welding operation and the like. The integrated workstation based on the robot cutting, welding and carrying in pipe processing is an integrated working system, can ensure good consistency in pipe processing, improves the processing quality and the processing precision of the whole pipe workpiece, and is simple in structure, less in equipment and small in occupied area.

The invention discloses an unmanned roadway driving and anchoring all-in-one machine. The unmanned roadway driving and anchoring all-in-one machine comprises a driving system, a conveying system, a temporary support system, an anchoring system, a driving all-in-one machine water system, a sensing system and an electrical control system. A feed moving roller at the connection portion between a shovel of the driving system and the front end of the conveying system can prevent feed clogging at the shovel and the front end of a scraper conveyor. The temporary support system is uniform in supporting, can move relative to the driving and anchoring all-in-one machine to achieve no-deferring synchronization of driving, supporting and anchoring and can be adapted to the round, uprightly oval, approximately oval or rectangular cross section of a roadway to be applicable to driving and supporting operations of roadways of a variety of ground pressure and directions. The sensing system and the electrical control system of the driving and anchoring all-in-one machine can effectively collect and process information such as, light, distance, humidity and gas and the electrical control system performs automatic or remote manual analysis so as to achieve unattended operations in the working process and greatly improve the safety factor of the operations.

The invention is a divider block assembly suitable for use at high fluid pressures. Applicant has found that divider blocks in common use deform sufficient at high pressures to have an adverse affect on accurate fluid delivery and component longevity. A preferred high pressure divider block uses divider block sections engineered for high pressure applications with substantially thicker material surrounding the piston bore, utilizing precise bolt placement on the divider block sections to ensure even pressure to prevent distortion of the piston bore, and engineered base plate inlet and end sections that allow mounting of divider blocks without the addition of extra intermediate sections to reduce leak paths and bolts to secure the base together more firmly, all bolts being torqued to prevent distortion while sealing fluid passages. The use of any of these aspects separately can improve performance, and not all are required in every embodiment.

An adjustable seat that can be selectively adjusted to provide pressure relief for the back of the thighs and buttocks. The seat has two adjustable seat sections placed under the user's thighs. In one embodiment, the seat includes the main support body comprising a flat, horizontally aligned lower surface, a perpendicularly aligned, wide rear surface, a vertically aligned narrow front edge, a diagonally aligned upper support surface, and two equal vertically aligned side members. Disposed over the diagonally aligned support surface are two parallel, elastic wedge-shaped seat sections or two inflatable wedge-shaped seat sections. Each elastic or inflatable wedge-shaped seat section is complementary in shape and may create a flat seating surface on the seat accessory when the two wedge-shaped seat sections are longitudinally aligned over the diagonally aligned support surface. Each wedge-shaped seat section covers approximately one-half the diagonally aligned support surface. When one wedge-shaped seat section is removed from the main support body to accommodate the hip replacement patient's affected hip, which should not exceed 70° in flexion, the obtuse angle of the main support body supports the hip's approximate 70° angle of flexion. An optional attachment means is used to selectively connect each elastic wedge-shaped seat section to the main support body. With inflatable wedge seat sections, an air pump and control switch are also provided.

An exercise machine ergonomic handle system for providing hand-holds for the performance of exercises with reduced flexion and / or extension of the hand and wrist and reduced ulnar and / or radial deviation so as to reduce injury and allow application of full strength to the exercise machine. The exercise machine ergonomic handle system generally includes a longitudinally extending frame, a carriage that moves upon a first longitudinal portion of the frame, and at least one pair of ergonomic handles positioned on a second longitudinal portion of the frame. The ergonomic handles rotate about an axis to prevent flexion and / or extension, and can be positioned at a width and / or angle that reduces ulnar and / or radial deviation.

A fingerboard (or fretboard) for use with a stringed instrument and light-system is disclosed and has a bottom surface adapted to mate or be attached to a neck of the instrument, and has wells extending from the bottom surface toward, but not through, a top surface. The wells are sized to receive a light-emitting device, such as LEDs, and are positioned along the fingerboard according to finger positions of the instrument. Illumination from the light-emitting devices is visible to a player of the instrument, however, when the devices are not illuminated, the fingerboard appears substantially as one made without the wells. The structure is useful for learning to play the instrument, while not appearing as a learning device.

A self adhesive support which conforms to the human back and spans a number of joints thereby maintaining body posture in the range of the neutral spine whether the wearer is sitting, standing or lying and which is made from a material which is flexible enough to adapt to the wearer's body shape but rigid enough to maintain correct body posture such as orthopedic foam, rubber or soft plastics and which is sufficiently inelastic to limit flexure from the neutral spinal position but is sufficiently elastic to assist movement back into the correct posture. The support may be in the shape of an X and applied to the wearer's back. In an alternative form, the support is in the form of the sides of a square and is applied to the base of the wearer's back.

In a track with a rotatable bushing which is brought into engagement with a sprocket of a track-type vehicle, it is intended that strength is enhanced rationally by link functionality sharing and by combination of such assigned functional tasks for achieving further improvements in rotatable bushing function. To this end, a first bolt insertion hole provided in a track shoe mount surface of an external link and a second bolt insertion hole provided in a track shoe mount surface of an internal link are arranged on the same straight line, and a straight line connecting the first bolt insertion hole and the second bolt insertion hole is situated at a position more interior than a contact plane of the external link and internal link.

In a track with a rotatable bushing which is brought into engagement with a sprocket of a track-type vehicle, it is intended that strength is enhanced rationally by link functionality sharing and by combination of such assigned functional tasks for achieving further improvements in rotatable bushing function. To this end, a first bolt insertion hole provided in a track shoe mount surface of an external link and a second bolt insertion hole provided in a track shoe mount surface of an internal link are arranged on the same straight line, and a straight line connecting the first bolt insertion hole and the second bolt insertion hole is situated at a position more interior than a contact plane of the external link and internal link.

Not only pilot channel symbols but also control channel symbols can be flexibly decreased in a radio communication system, which includes a transmission side apparatus transmitting a data frame where a plurality of continuous or discontinuous frequency areas are assigned to one transfer time block and a frame is formed of a predetermined number of transfer time blocks; and a reception side apparatus receiving a data frame from the transmission side apparatus, The transmission side apparatus transmits to the reception side apparatus a data frame which has a common pilot channel and a control channel in the beginning of the frame, the reception side apparatus measures a received quality of the data frame, decides a frame type based on the measured received quality and notifies the decided frame type to the transmission side apparatus. The transmission side apparatus sends subsequent frame data to the reception side apparatus in use of a frame format corresponding to the notified frame type.

An engine assembly for aircraft including a turbojet, an attachment strut, and a plurality of engine mounts interposed between the attachment strut and the turbojet. Each of the engine mounts is attached to a fan casing of the turbojet.

The invention provides a triple-redundancy 1553B bus dynamic switching method, which includes the following steps: S1, a triple-modular redundancy bus network computer system architecture is built; S2, a redundancy bus configuration method is designed, a bus A for communication is a main bus by default, a first redundancy module is a on-duty module by default when the computer system is powered on, a first bus chip is configured in a BC mode, and a second bus chip and a third bus chip are configured in an MT mode; S3, a bus fault diagnosis method is designed for triple-modular bus real-time fault identification; and S4, a triple-redundancy bus mode composed of a BC mode and two MT modes is reestablished according to the on-duty module switching principle. A spacecraft computer requiring high real-time performance and reliability can determine a triple-redundancy bus fault by using the serial timing characteristic and the information monitoring function of buses. The method is easy to implement, runs reliably, is not affected by the external environment, is quick, and can be easily used in engineering.

A tunneling machine for tunneling gross section coal drift consists of a cutting unit, a body, a travel unit, a blade, a conveyor and a hydraulic system, etc. The cutting unit consists of a cutting head (4), a cantilever (3), a cutting motor, a cutting reduction gearbox and a telescopic part, etc. The cantilever (3) is connected with the body through a side slip guide mechanism namely a crosshead (2) is hinged onto the rear end of the cantilever (3); a guide body is arranged on the rear end of the crosshead; a guide holder (1) is fixed on the body; a guide groove is arranged on the front end of the guide holder, and the guide body is embedded in the guide groove and is in slide fit with the guide groove; or the two parts are arranged in a reverse way. A driving element or mechanism for driving the crosshead and the cantilever to make lateral movement is arranged between the guide holder and the crosshead. A cantilever tilt cylinder is hinged between the cantilever (3) and the crosshead (2). The wall of the coal drift cut by the tunneling machine is smooth, flat and easy in supporting, thereby improving supporting efficiency and effect. The cutting unit makes a large range of lateral movement, thereby realizing gross section fixed point cutting in a wider coal drift without lateral movement of the whole machine, shortening cycle time, improving tunneling speed and efficiency with great adaptability.

The invention relates to a dual-computer memory data sharing system based on Aurora bus, which relates to the technical field of data sharing. The scheme of the invention adopts the PCIe bus IP core provided by Xilinx and the Aurora bus IP core to cooperate with the Aurora transport layer protocol mapping module and the Aurora link management module which are emphatically designed in the scheme torealize the memory data sharing of the dual-computer system. In the scheme of the invention, the Aurora bus of the data link layer is packaged in the transmission layer, the mapping of the CPU address domain sharing the virtual address domain is realized, the Aurora data packet format and the parsing rule are designed, and the transparent mapping of the memory address space between the two computers is completed.

Not only pilot channel symbols but also control channel symbols can be flexibly decreased in a radio communication system, which includes a transmission side apparatus transmitting a data frame where a plurality of continuous or discontinuous frequency areas are assigned to one transfer time block and a frame is formed of a predetermined number of transfer time blocks; and a reception side apparatus receiving a data frame from the transmission side apparatus, The transmission side apparatus transmits to the reception side apparatus a data frame which has a common pilot channel and a control channel in the beginning of the frame, the reception side apparatus measures a received quality of the data frame, decides a frame type based on the measured received quality and notifies the decided frame type to the transmission side apparatus. The transmission side apparatus sends subsequent frame data to the reception side apparatus in use of a frame format corresponding to the notified frame type.

A self-sealing valve comprises a valve housing having a fluid conduit, a valve seat, a flexible diaphragm and a support member. The valve housing is configured to pass fluid through the fluid conduit. The flexible diaphragm provides a self-seal of the fluid conduit, and comprises an area larger than an area of the fluid conduit and a periphery. The support member is configured to retain a portion of a flexible diaphragm. The support member and flexible diaphragm are configured to position the flexible diaphragm against the valve seat to seal the fluid conduit in a closed position of the self-sealing valve, and to facilitate movement of at least a part of the periphery of the flexible diaphragm in a first direction away from the valve seat to an open position.

The invention discloses an automatic online mark spraying machine for steel plates. The automatic online mark spraying machine for steel plates comprises an equipment foundation rack, a three-dimensional coordinate positioning mechanism is installed on the equipment foundation rack and provided with an alternating current servo device connected with a computer, the computer controls the alternating current servo device to achieve three-dimensional movement positioning of the three-dimensional coordinate positioning mechanism, and the three-dimensional coordinate positioning mechanism is provided with a flow restraining device. Compared with the prior art, the automatic online mark spraying machine for steel plates can solve the problems that existing mark spraying equipment is huge and large in occupied space, specific temperature requirements are provided when the surfaces of steel plates are marked, the spray printing quality is poor, the existing mark spraying equipment is incompatible with existing enterprise equipment, the cost is high as the whole set of equipment needs to be imported, a spraying mechanism is not provided with a flow restraining device, and the environment of working sites is poor.

The invention relates to an accumulation slippage construction device in an icesword manner and a construction method thereof. The accumulation slippage construction device comprises gliders at the lower part of a steel truss and a slide rail fixed above a steel truss support, wherein the gliders are icesword-type gliders distributed at the lower part of the steel truss at intervals along the direction of the slide rail; each section of icesword-type glider is two plain round bars parallel to the slide rail; the top of the plain round bar is welded together with the bottom of the steel truss; the bottom of the plain round bar is linearly contacted with the upper surface of the slide rail; and the bottoms of the steel truss closed to the slide rail are respectively connected with limit baffle plates. Using slippage contacting plain round bars with profile steel flat rails to replace slippage contacting flat gliders with train steel rails, the invention is economical, convenient, practical and effective, is applicable to places where cranes can not enter into the construction area in the presence of basement or other structures, as well as steel structures of small and intermediate spans where pushing jacks and train steel rails are difficult to purchase or the construction is not economical, and has great influence on the construction period by other construction methods.

The apparatus is a user-adjustable stringed musical instrument. A rotary joint mechanism connects an acoustic body to a movable string support assembly. The movable string support assembly is comprised of common elements of a stringed musical instrument. The rotary joint mechanism enables the orientation of the instrument strumming and fingering surfaces to be rotated relative to the transverse plane of the acoustic body. Orientation of the playing surfaces may be varied during play to achieve a more comfortable position for either the fingering hand or the strumming hand thereby improving ergonomics of the instrument.

The invention discloses a device and a method for matrix transposition based on a static random access memory (SRAM). The device comprises an address decoding module, a read-write bus, a diagonal read control module and n matrix transposition storage bodies, wherein each matrix transposition storage body is formed by connecting n rows and n columns of matrix storage modules; a 14-pipe SRAM storage module is positioned on a diagonal from the left upper side to the right lower side, and a 12-pipe SRAM storage module is positioned outside the diagonal. The 14-pipe SRAM storage module accesses elements, which are positioned on the diagonal, in a matrix, and the 12-pipe SRAM storage module accesses elements, which are positioned outside the diagonal, in the matrix. According to the method, corresponding accesses for single words, single rows, single columns or single diagonals are executed according to the type of an input matrix and the difference of access modes, so that transposition is finished. The device and the method have the advantages of simple implementation method, simple and compact structure, low cost, high transposition speed, high efficiency, flexibility and multi-functionality.

A power transmission chain of the invention includes: plural link plates individually including through-holes and arranged in a chain advancing direction and a chain widthwise direction and with predetermined spacing; and plural pins inserted through the through-holes for flexibly interconnecting the link plates. Since the link plates are arranged in the chain widthwise direction with the predetermined spacing, a respective pair of adjoining link plates are prevented from coming into friction contact with each other during the operation of the power transmission chain. Hence, the power transmission chain may be prevented from suffering the decrease of power transmission efficiency.

A fingerboard (or fretboard) for use with a stringed instrument and light-system is disclosed and has a bottom surface adapted to mate or be attached to a neck of the instrument, and has wells extending from the bottom surface toward, but not through, a top surface. The wells are sized to receive a light-emitting device, such as LEDs, and are positioned along the fingerboard according to finger positions of the instrument. Illumination from the light-emitting devices is visible to a player of the instrument, however, when the devices are not illuminated, the fingerboard appears substantially as one made without the wells. The structure is useful for learning to play the instrument, while not appearing as a learning device.