321results about How to "Increase arm" patented technology

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 relates to a super hoisting device for hoisting equipment, which comprises at least one super hoisting bracket (2), a first tensioning mechanism (1) and a second tensioning mechanism (3). The fixed end of the super hoisting bracket (2) is articulated with a hoisting boom (6) of the hoisting equipment; one end of the first tensioning mechanism (1) is connected to the movable end of the super hoisting bracket (2) and the other end is fixed to the head end of the hoisting boom (6); one end of the second tensioning mechanism is connected to the movable end of the super hoisting bracket (2) and the other end is connected to a turntable (4) of the hoisting equipment. In addition, the invention also relates to telescopic-boom hoisting equipment provided with the super hoisting device.

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.

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.

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.

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 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 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 clamping device comprises a bottom plate, a back plate, a clamping plate, two baffles, two sliding rods, a spring and a positioning portion. The two baffles are fixed on the bottom plate in a parallel mode and are both provided with strip-shaped guide grooves, two ends of each sliding rod respectively penetrate through the guide grooves in the corresponding baffle, the positioning portion is connected with a position on the clamping plate close to a side edge and is provided with a through hole and two clamping grooves, the sliding rod far from the back plate penetrates through the through hole in the positioning portion, the two clamping grooves are clamped onto the sliding rod close to the back plate in a switchable mode, and two ends of the spring are respectively connected with a position of the back plate close to the bottom plate and a position of the clamping plate close to the bottom plate. The invention further provides a wiring box. Articles are opened and clamped through the clamping device in the mode that the clamping plate is turned over, an arm of force is large, operation is easy, and especially under the condition that a space is small, the turning-over-type clamping plate can be conveniently used for placement of the clamped articles. Meanwhile, due to the fact that the sliding rods can slide in the guide grooves, the clamping device can tightly clamp the articles with different thicknesses.

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.