321results about How to "Increase arm" patented technology

An articulate minimally invasive surgical instrument with a flexible wrist to facilitate the safe placement and provide visual verification of the ablation catheter or other devices in Cardiac Tissue Ablation (CTA) treatments is described. In one embodiment, the instrument is an endoscope which has an elongate shaft, a flexible wrist at the working end of the shaft, and a vision scope lens at the tip of the flexible wrist. The flexible wrist has at least one degree of freedom to provide the desired articulation. It is actuated and controlled by a drive mechanism located in the housing at the distal end of the shaft. The articulation of the endoscope allows images of hard-to-see places to be taken for use in assisting the placement of the ablation catheter on the desired cardiac tissue. The endoscope may further include couplings to releasably attach an ablation device / catheter or a catheter guide to the endoscope thereby further utilizing the endoscope articulation to facilitate placement of the ablation catheter on hard-to-reach cardiac tissues. In another embodiment, the articulate instrument is a grasper or any other instrument with a flexible wrist and a built-in lumen to allow an endoscope to insert and be guided to the distal end of the instrument.

The present invention is directed to a tool having a wrist mechanism that provides pitch and yaw rotation in such a way that the tool has no singularity in roll, pitch, and yaw. A positively positionable multi-disk wrist mechanism includes a plurality of disks or vertebrae stacked in series. Each vertebra is configured to rotate in pitch or in yaw with respect to each neighboring vertebra. Actuation cables are used to manipulate and control movement of the vertebrae. In specific embodiments, some of the cables are distal cables that extend from a proximal vertebra through one or more intermediate vertebrae to a distal vertebra, while the remaining cables are medial cables that extend from the proximal vertebra to one or more of the intermediate vertebrae. The cables are actuated by a pivoted plate cable actuator mechanism. In specific embodiments, the actuator mechanism includes a plurality of small radius holes or grooves for receiving the medial cables and a plurality of large radius holes or grooves for receiving the distal cables. The holes or grooves restrain the medial cables to a small radius of motion and the distal cables to a large radius of motion, so that the medial cables to the medial vertebra move only a fraction of the amount as the distal cables to the distal vertebra, so as to achieve precise control and manipulation of the vertebrae.

The present invention discloses an adjustable forehead support for a nasal or full-face mask wherein the forehead support may be adjusted for the different shapes and sizes of a facial profile. The forehead support utilizes a dual-arm system that adjusts the position of the forehead support vis-á-vis the mask and / or airflow tube. The angle of the mask to the face may be adjusted with the present invention.

Implant apparatus and methods directed toward treating conditions involving the knee joint and the patella specifically are disclosed. Full range of motion of the knee joint and tissue integrity are maintained in treatment approaches involving implanting a joint surface load reducing implant proximate the joint to change the direction of the tendons or muscles exerting forces on the joints.

The invention discloses a toilet seat overturning driving control method. A fixing seat mounted on the surface of a toilet serves as a carrier, a swing component is mounted on the fixing seat through a rotating shaft, a transmission portion and a driving portion, which are used for driving the swing component to overturn upwards, are arranged, the driving portion forces the swing component to overturn upwards along the free rotating shaft through the transmission portion, and the swing component pushes a seat to overturn upwards while overturning upwards. The toilet seat overturns by 90 degrees by being driven by a pedal, the purposes that the toilet seat overturns when a user comes and pedals, and falls automatically when the user leaves are achieved, and accordingly the toilet seat is quite convenient to use; the user does not need to touch the toilet seat by hands, so that sanitation is achieved; wide popularization and low cost are achieved without modifications on existing toilets or toilet seats; normal use of the toilet cannot be affected, and good concealing performance is achieved; the toilet is most simplified and optimized in structure, easy to implement, simple to assemble and attractive and appropriate in appearance.

The invention discloses a floating fan base with flare type tension legs, a marine wind-driven generator and a construction method. The floating fan base comprises a top supporting platform, a bottom supporting structure, at least three hollow stand columns and a ballast regulating system, wherein the top supporting platform is used for supporting a pylon, blades and a wind-driven generator set; the bottom supporting structure is connected with multiple tension legs; the top supporting platform is connected with the bottom supporting structure via the hollow stand columns, the hollow stand columns are arranged around the vertical center line of the floating fan base, and each stand column inclines outwards from a lower end to an upper end relative to the vertical center line of the floating fan base; the ballast regulating system is arranged in the stand columns and / or the bottom supporting structure. The marine wind-driven generator of the base with the structure has excellent movement performance, integral wet towing can be performed, and the floating fan base and the marine wind-driven generator are convenient to manufacture, assemble and mount.

The invention discloses a rear-hanging type pedestal pan cushion turning and driving device and a fixing seat. The rear-hanging type pedestal pan cushion turning and driving device comprises a turning portion, a transmission portion and a pedal portion; the turning portion comprises the fixing seat and a swinging part, the fixing seat is arranged on an outer frame located on the root of a cushion rotation seat in a sleeving or wrapping mode, the fixing seat is hinged to the swinging part, and the position of a movable support arranged on the fixed seat corresponds to that of a fixed support arranged on the swinging part; a first-end stop block of a brake cable of the transmission portion is fixed in the movable support in a clamping mode, the first end of a brake tube is jammed in the fixed support, and the tail end of the brake cable and the tail end of the brake tube are fixed on a front support and a rear support of the pedal portion in a clamping mode respectively. According to the rear-hanging type pedestal pan cushion turning and driving device and the fixing seat, a pedestal pan cushion is driven by a pedal to rotate ninety degrees, the purposes that the pedal is turned over when a person comes and automatically drops when the person leaves, use is very convenient, the hand does not need to touch the pedestal pan cushion, and cleanliness and sanitation are achieved; any modification does not need to be performed on an existing pedestal pan or cushion, and therefore the advantages of being wider in popularization and low in cost can be achieved; normal usage of the pedestal pan is not influenced, the invisibility is good, and the appearance is attractive and appropriate.

The invention provides a power tool, which comprises a driving shaft, a fastening element and a locking component, wherein the driving shaft drives a working element; the fastening element fastens the working element to the driving shaft and has an extended shaft which may be inserted into the driving shaft; the locking component locks the extended shaft in the driving shaft and comprises a locking piece and a moving piece, the locking piece has a locking position for locking the extended shaft and a release position for releasing the extended shaft, the fastening element moves toward the end part of the driving shaft through an elastic element in the locking position, the moving piece is arranged outside the driving shaft has first and second parts which can be directly or indirectly matched with the locking piece, and the radical distance from the first part to the shaft center of the driving shaft is unequal to the distance from the second part to the shaft center of the driving shaft. The power tool provided by the invention acts quickly to clamp and has a compact structure; and by arranging the moving piece outside the driving shaft, the arm of force of a wrench is prolonged, and labor can be saved.

A handle operated brake and release mechanism for a cable drum winch provides a winch that can be used in the assembly of inland river barges to form multi-barge tows. The handle of the brake and release mechanism can in one function and entirely by hand (without using any other tools) release the cable tension and apply the brake at the same time. The entire brake and release mechanism is mounted on the outside of a winch frame having winch side plates, thereby allowing the mechanism parts to be replaceable in the field without taking the winch side plates apart.

High-altitude scissors comprise a holding rod and a fixing frame which is in invert L shape and comprises a hook which is formed by fixing part and self-fixing part by bending and extending, one end of the hook is fixed on the holding rod; the two ends of a shear blade are cutting edges; a first and second pin holes are set on two cutting edges respectively, cutting edge is movably connected to the fixing part of the fixing frame by one of the two pin holes; the cutting edge of shear blade is cooperated with the hook of the fixing frame; a pull rope is connected with one end of the shear blade. The invention designs high-altitude scissors to have cutting edges at the two ends. During operation, if one cutting edge gets blunt, the connection piece and blade are only needed to be separated, and the blade is switched towards the other direction to use standby blade for freely shearing. At the same time, the design of connection piece increases the force arm to lead shearing to be more labor-saving. Moreover, connection piece is made into protective case type to hide the standby blade, which extends the service life of product and prevent standby blade from the accidental injury to operator.

The invention discloses a device selectively using a shower head and a rain shower. The device is fixedly connected on a support arm tube and comprises a body, a supporting tube, a shower head, a rain shower and a water distribution disk, wherein the body comprises a sleeve body and a division plate which is sealed and fixedly arranged in the sleeve body; the supporting tube is rotatably connected behind the sleeve body and is communicated with a rear chamber; the shower head is communicated with the supporting tube; the rain shower is fixedly connected on the sleeve body and is communicated with a second water outlet; and the water diversion disk is rotatably arranged in the sleeve body, is rotated between a first position and a second position, and is fixedly connected with the supporting tube so as to rotate along with the supporting tube. By rotating the supporting tube, water-discharge switching between the supporting tube and the rain shower can be realized, and therefore the device is convenient to use.

The present invention relates to a ride system that can include static and / or interactive elements and is arranged for high passenger throughput with additional dimensions. To this end, an amusement ride is provided for amusement of groups of visitors of an amusement park or the like, the amusement ride including a platform, divided into multiple segments. The segments are arranged to facilitate the groups of visitors mutually shielded from each other; and interactive objects, divided circumferentially around the platform are provided, for interaction of the groups of visitors with the interactive objects. The segments of the platform include electronic input devices for electronic interaction of the group with the interactive objects by control of the input devices, and the segments being polygon segments of the platform, and wherein at least one of the platform and the interactive objects are arranged for relative rotation with respect to each other around a center of the platform for relative movement between the segments with the groups and the interactive objects.

An electric bed has a first bed board and a second bed board, which are hinged with each other, and a bed frame, a head bracket, a head driving motor, and a head pull rod. The bed frame has an upper bed frame and a lower bed frame. The second bed board and the upper bed frame are fixedly connected in a dismountable mode. The upper bed frame and the lower bed frame are connected by a guide rail connecting structure so that the upper bed frame can move relative to the lower bed frame. One end of the head bracket is hinged with the bed frame and another end of the head bracket is supported against the first bed board.

The invention relates to a rotary folding type hydraulic channeling machine, which comprises a body and a machine frame, wherein the body comprises a motive power head and a rolling mechanism, wherein the rolling mechanism comprises an oil cylinder body, an oil cylinder cover and an oil cylinder bottom plate, a piston and a piston rod are arranged in the oil cylinder body, the body is arranged on a flat plate assembly, a rotating device is arranged in the flat plate assembly, the flat plate assembly comprises a flat plate, the upper part of the flat plate is connected with a transition plate through a rotating shaft, the body is arranged on the transition plate, the transition plate rotates around the rotating shaft in a swinging way, the rotary folding type hydraulic channeling machine is also provided with a swinging position limiting device, the flat plate and the transition plate are provided with a braking mechanism, the flat plate is arranged on a flat plate frame, the machine frame is connected under the flat plate frame, the flat plate slides on the flat plate frame, the flat plate and the flat plate frame are provided with a locking mechanism, the machine frame is an air spring auxiliary support folding machine frame which comprises two opening hinges arranged under the front end of the flat plate frame, the opening hinges are connected with a short support rod, a position limiting strip is arranged under the tail end of the flat plate frame, a long support rod is surrounded by the position limiting strip and the flat plate frame, the long support rod and the short support rod are connected through a connecting shaft, a position limiting plate is arranged on the long support rod, a position limiting groove is arranged in the position limiting plate, a position limiting pin is fixed on the short support rod, and the position limiting pin is matched with the position limiting groove.

The invention discloses a clutch driven plate with a three-level torsion damping mechanism. The clutch driven plate comprises a friction sheet, a driven plate steel sheet, a primary damping shaft sleeve plate, a primary damping spring, a secondary damping shaft sleeve plate, a secondary damping spring, a pre-damping shaft sleeve plate and a pre-damping spring, the secondary damping spring is serially connected with the pre-damping spring and the primary damping spring, the pre-damping spring is provided with a first force arm, the secondary damping spring is provided with a second force arm, the primary damping spring is provided with a third force arm, the first force arm is smaller than the second force arm and the third force arm, and the third force arm is smaller than or equal to the second force arm. The internal space of the clutch driven plate is more reasonably used without increasing the size of the clutch driven plate, the bearing capacity of a clutch is improved, and damping effect is effectively improved.

The invention relates to a novel electromagnetic valve component of an electronic jacquard machine, which belongs to the technical field of textile manufacturing machines. The novel electromagnetic valve component comprises a base plate, a panel and clamping plates, wherein the clamping plates are positioned between the base plate and the panel; a driving mechanism, a pulley support structure, a joint quick insertion structure and an electromagnetic valve structure are arranged between the base plate and the clamping plate, between the clamping plate and the clamping plate and between the clamping plate and the panel; the driving mechanism comprises a moving iron and a vertical hook; the moving iron comprises a moving iron metallic body and a moving iron plastic body, and the vertical hook comprises a vertical hook metallic body and a vertical hook plastic body; the pulley support structure comprises a pulley, a pulley support, a pulley shaft and a copper sleeve; the copper sleeve is arranged on the pulley support, and the pulley shaft is inserted in the copper sleeve; the joint quick insertion structure comprises a quick joint, a through hole fixed block and a harness cord; and the electromagnetic valve structure comprises an electromagnet, and the electromagnet and the clamping plates are designed independently. The novel electromagnetic valve component has the advantages of reasonable structure design, convenient mounting and dismounting, wider application range, longer service life, higher stability and shorter production process to save the cost.

The invention discloses an inflatable self-sealing device for detecting the air impermeability of an automobile pipeline. The inflatable self-sealing device comprises a main rod. A cavity is disposedat one end of the main rod. A sliding groove is formed in a side of the cavity. An annular groove is disposed on other end of the main rod along the sidewall of the main rod. An expandable airbag is disposed in the cavity. An annular airbag is disposed in the annular groove. A second through pipe is connected between the expandable airbag and the annular airbag. The expandable airbag is connectedto a first through pipe. The annular airbag is connected with a third through pipe. The diameters of the first through pipe, the second through pipe and the third through pipe are successively decreased. The main rod is in sliding connection with a slide block. The slide block is abutted against the expandable airbag and is connected with a connecting rod. The connecting rod is hinged to a fulcrumbar and is provided with a pressing block for tightly pressing a pipeline. The inflatable self-sealing device solves the problem that a rubber gasket used in pipeline sealing is liable to slip off.

The invention discloses a tobacco stem drawing machine, comprising a stand; the lower part of the stand is provided with walking wheels; the upper part of the stand is provided with a power transmission device, a stem drawing device and a support pole device; and the power transmission device is in transmission connection with the stem drawing device. Tobacco stems are firmly clamped and pulled out along with the roots based on wedge clamping effect of two stem drawing conical plates of the stem drawing device and flying wheel energy storage principle of the two stem drawing conical plates with greater weight in rotation. The machine is novel in principle, reasonable in design and simple in structure, has the advantages of easy operation, good effect of pulling out tobacco stem, high working reliability, low economic cost and strong practicality; moreover, the machine saves time and labor, and is convenient to popularize and apply.

The invention relates to a combined interlayer pulley vertical hinged lead door and a corresponding planer steel plate track. The body of a vertical hinged lead door is divided into two layers, i.e. a covering layer (1) and an embedding layer (2), which are connected by a steel connecting frame layer (3), in thickness direction. The covering layer is slightly larger than a door way in area, and the embedding layer and the steel connecting frame layer are slightly smaller than the door way in area. Pulleys (9, 10) moving along the direction vertical to the inner and outer faces of the lead door are respectively arranged on left and right edges of the lower side of the steel connecting frame layer, and a power system (15) is arranged above the pulleys on the moving side of the lead door. A reinforced concrete base with the thickness more than 20cm is poured below the lead door moving scope and on the ground in a certain range around the lead door moving scope, parts of two pulley tracks (11, 12) of the lead door are added with thick arched base rib beams (13, 14) when the base is poured, and planer steel plate tracks (16, 17) adaptive to the pulley tracks (11, 12) in shape are embedded in the faces of the arched base rib beams.

The invention belongs to the technical field of the bridge, and particular relates to a vertically-pivoted folded movable bridge. The vertically-pivoted folded movable bridge comprises a left bridge abutment (1), a left support base (2), a left half-bridge bay (3), a right half-bridge bay (4), a folding mechanism (5), a right support base (6), a right bridge abutment (7), a bridge tower (8), a locking device (9), a tower top pulley (10), a winch (11), a steel wire rope (12), a hydraulic system and an electrical system. The vertically-pivoted folded movable bridge is capable of using the winch to coil and release the steel wire rope so as to open and close the bridge, providing the larger arm of force, and greatly reducing the energy consumption in the using process. under the state of opening the bridge, the bridge bay is the vertical state and is positioned above the left bridge abutment, and locked with the bridge tower, the potential safety hazard cannot be generated to a ship passing through the river. The foldable bridge bay is used for reducing the height of the bridge tower and the height of the opened bridge. The simplification, the safety and the reliability of the movable bridge are improved comprehensively.

The invention discloses a small mechanical keyboard switch. The small mechanical keyboard switch comprises a base, the top end of the base is provided with a cover plate; the inner bottom surface of the base protrudes upwards and is provided with a locating shaft; the locating shaft is sleeved with a spring; the top end of the spring is provided with a central spindle; the base is provided with a fixed terminal, a movable terminal, and a LED lamp; both the fixed terminal and the movable terminal are in horizontal structures; the movable terminal comprises a movable contact pin and a movable contact ring which is connected at the upper portion of the movable contact pin; the surface of the movable contact ring close to the fixed terminal is provided with a movable terminal contact; the fixed terminal comprises a fixed contact pin; the top end of the fixed contact pin is connected with a spacing table; the spacing table protrudes upwards and is provided with a fixed hook; and the fixed hook is provided with a fixed terminal contact. By the movable terminal configuration of the annular movable contact ring structure, the purpose of greatly reducing the height of the product can be achieved by comparing with the conventional movable contact piece structure; the contact piece is in horizontal structure; the transverse space is used for increasing the force arm of the spring piece, thereby increasing the elastic coefficient, the service life, and the stability; the small mechanical keyboard switch is compact in structure, convenient in machining and assembling; therefore the product is miniaturized; and the consumers like the product more.

The invention relates to a photo-electric control eccentric positioning single-arm four-way makeshift valve, which comprises a valve body which is divided into a high pressure chamber and a transmission valve via the baffle plate; a inlet tube connecting the valve body; a shared tube; the first exchange tube, the second exchange tube; and a transmission device and a makeshift device individually arranged at he transmission chamber and the high pressure chamber. Wherein, the transmission device comprises a motor and a transmission axle; the baffle plate has a axial hole; the shared tube, the first exchange tube and the second exchange tube are in triangle arranged in the high pressure chamber; the makeshift device comprises a single-arm swing block and a teeth plate which are contacted tightly; the single-arm swing block has a low pressure gas groove to cover the tube mouths between the shared tube and the first / second exchange tube; the bottom of single-arm swing block that relative to the mouth of shared tube is mounted on the baffle plate via the axle; the tope of transmission axle has a speed-reducing gear; the teeth plate has saw-tooth at its front; and the speed-reducing gear is meshed with the teeth plate. The invention uses the eccentric positioning to reduce the mechanical resistance in the transmission and improve the efficiency and accuracy.

A novel movement mechanism with planetary gear chain for the conversions between rotation and linear reciprocation and from rotation to elliptical movement is composed of sun gear fixed to axle, planetary gear which as a diameter the equal to the radius of sun gear and can revolve around sun gear while rotate, satellite axle revolving around planetary gear, crank gear, cantilever, supporter and accessories. When the resistance arm of cantilever is equal to that of crank, the satellite axle does linear reciprocation with its stroke 4 times greater than that of resistance arm. If they are no equal to each other, the satellite axle does elliptical movement with its stroke 2-6 times greater than that of resistance arm.

The invention relates to a novel electromagnetic valve component of an electronic jacquard machine, which belongs to the technical field of textile manufacturing machines. The novel electromagnetic valve component comprises a base plate, a panel and clamping plates, wherein the clamping plates are positioned between the base plate and the panel; a driving mechanism, a pulley support structure, a joint quick insertion structure and an electromagnetic valve structure are arranged between the base plate and the clamping plate, between the clamping plate and the clamping plate and between the clamping plate and the panel; the driving mechanism comprises a moving iron and a vertical hook; the moving iron comprises a moving iron metallic body and a moving iron plastic body, and the vertical hook comprises a vertical hook metallic body and a vertical hook plastic body; the pulley support structure comprises a pulley, a pulley support, a pulley shaft and a copper sleeve; the copper sleeve is arranged on the pulley support, and the pulley shaft is inserted in the copper sleeve; the joint quick insertion structure comprises a quick joint, a through hole fixed block and a harness cord; and the electromagnetic valve structure comprises an electromagnet, and the electromagnet and the clamping plates are designed independently. The novel electromagnetic valve component has the advantages of reasonable structure design, convenient mounting and dismounting, wider application range, longer service life, higher stability and shorter production process to save the cost.