107 results about "Tongue structure" patented technology

Embodiments of the invention include methods and devices to prevent or treat upper airway disorders in mammals related to impaired airflow. One aspect of this invention is a tongue retractor (LTR) that indirectly retracts tongue base by its implant site in the frenulum area. This simplifies the insertion, adjustment and maintenance of the device. Another aspect of this invention describes a highly localized and fully implantable LTR that is inserted into the base of tongue to stiffen lax surface mucosa or mechanically couple it to internal tongue structures. Another aspect of this invention is an LTR inserted in or around the pharyngoglossal fold. This site allows retraction and stiffening of tongue base tissue as well as the soft palate and lateral pharyngeal wall.

Devices and treatments for a joint include a resilient elongate orthopedic device inserted into a joint space using a delivery instrument. The orthopedic device is housed in a delivery cavity of the delivery instrument delivered to an implantation site using a push mechanism. The delivery instrument optionally comprises a guide or tongue structure to facilitate positioning of the delivery instrument about the implantation site.

A boot which has a tongue structure which includes at least first and second cables attached to the sides of the tongue, a guide channel associated with each cable, and a cable tensioning device connected to the cables and which is movable between first and second positions to respectfully tighten and loosen the cables. The tongue structure acts to maintain the foot in the boot and in a preferred embodiment, the tongue includes an outer somewhat rigid shell and an inner elastic layer.

A port connector includes a port shell disposed inside the port shell, a housing base and a port contact set. The housing base includes a main base and a tongue structure. The tongue structure extends from the main base and has a first face and a second face opposite to the first face. The port contact set is mounted with the housing base. At least one port contact of the port contact set includes a main body installed inside the main base, a foot portion, a first end portion and a second end portion. The foot portion extends from the main body and stretches out of the main base. The first end portion protrudes from the main body and is exposed from the first face. The second end portion corresponding to the first end portion protrudes from the main body and is exposed from the second face.

A stent valve includes a tubular netted stent body (1) deformable radially and leaflets (2) and an overlay film (3), and also includes an inner tongue structure (4) connected to the inside of the stent body (1). The inner tongue structure (4) and the stent body (1) cooperatively constitute a stent with an inner tongue structure. The inner tongue structure (4) contains at least one inner free tongue movable to the inside of the stent. The inner free tongues constitute connecting rims of the leaflets (2) and the overlay film (3). The leaflets (2) and the overlay film (3) connect with the inner free tongues, or connect with the stent body (1) via the inner free tongues. The weaving method of the woven stent with an inner tongue structure includes a first weaving and a second weaving.

The invention discloses a combined guide vanes vortex tongue structure of a centrifugal fan. The centrifugal fan is a forward fan, the front of the vortex tongue are provided with a plurality of guide vanes to assist the vortex tongue, the distance from the guide vanes and the center of an impeller is growing gradually, the front guide vanes play the role of flow guiding and wind cutting, the amount of wind cutting of the back guide vanes is small. Although the clearance between the tongue vortex and the impeller is shrinking, the noise will not increase, the angle between the bottom linked line of each guide vane and an level surface is 10 to 15 degrees, while the angle between the vortex tongue and the level surface is greater than 90 degrees, the centrifugal fan can reduce the overall size, the best angle is 100 degrees to 110 degrees, at the same time, the guide vanes are curved, and one side of a forward vortex tongue is convex, and the guide vanes can rotate a certain angle. The combined guide vanes vortex tongue structure of the centrifugal fan of the invention can reduce the noise and the size of the fan, and, at the same time, make the fan exhaust more evenly.

A conveyor belt hold down for a draper platform comprises a planar portion having a front edge, a rear edge, a left edge, and a right edge, wherein one of the left and the right edges defines a first slot or groove structure, and the other of the left and the right edges defines a first tongue structure, wherein the first tongue structure is configured to be engaged in a second slot or groove structure of a similar hold down disposed immediately adjacent to the first tongue structure, and wherein the first slot or groove structure is configured to receive a second tongue structure of a similar hold down disposed immediately adjacent to the first slot or groove structure.

A cover for the bulb of a thermal expansion valve is comprised of two halves of an insulative body that are wrapped around the bulb and associated outlet types in clamshell fashion to encapsulate the combination. Internal and external flaps are hingedly connected along their longitudinal edges to permit access for inspection purposes, and the external flap is secured to the internal flap by Velcro. A tongue structure on the outer surface of the body fits into grooves on the inner surface of the outer flap to seal the cover against the entry of moisture. The two halves are secured in place at their ends by way of bands.

The invention relates to a volute tongue structure of a fan for a range hood. An inner concave surface is formed on one side, facing an air outlet of the fan, of a volute tongue. The volute tongue structure is characterized in that the volute tongue comprises a front disk, a central disk and a rear disk, wherein the side parts, facing to the air outlet of the fan, of the front disk, the central disk and the rear disk wholly form the inner concave surface, the front disk further extends to the bottom left to form a front side deep tongue on the basis of the inner concave surface, the rear disk further extends to the bottom left to form a rear side deep tongue on the basis of the inner concave surface, and the central disk is continuously and inwards concave to form a central short tongue on the basis of the inner concave surface. Compared with the prior art, the volute tongue structure disclosed by the invention has the advantages that the volute tongue forms the front side deep tongue, the rear side deep tongue and the central short tongue, the gap between the front disk, the rear disk and a vane wheel is smaller, and the gap between the central disk and the vane wheel is larger, so that the speed at which front and back air currents flow out cannot be much lower than the speed at which the central air current flows out, the whirlpool caused by a low speed of two sides and high speed of the center is eliminated, and further the whole efficiency of the fan is improved.

A waterski (100) having one or more nozzle covers that protect a waterskier without an extended transition surface or a shortened transition surface. The water ski facility (100) consists of a plurality of modules (211, 212, 213, 214, 215, 216, 217 and 218) and other incidental components for easy transport between different locations by truck, train or other means of transport. The sliding nozzle cover (150) enables the water skier to safely slide through the nozzle or water gate area without being injured or affecting the normal progress of water skiing activities. The nozzle guard (150) is constructed of contoured, flexible sheet material that can be extended to cover the upper surface of the nozzle/water gate (130). A soft downwardly curved tongue (160) is provided which blocks the flow of water (138) and prevents a potentially injurious collision of the waterskier with the nozzle area. The shape of the tongue (160) also provides a shorter transition surface for a water skier to safely slide over. The combined use of the fixed deck (190) and the nozzle cover (150) enables the water skier to perform various new and more exciting water skiing and surfing actions.

The invention provides an automobile connector terminal and solves a technical problem of excessive positive force attenuation caused by multiple times of plugging or long-term use under the high temperature existing in a terminal in the prior art. The automobile connector terminal comprises a casing portion and a spring tongue structure, wherein a bottom wall of the casing portion is bent upwards from a head portion of the casing portion and then extends backwards to form the spring tongue structure, the spring tongue structure is provided with a projection, two side walls of the casing portion are provided with supporting claws, and the supporting claws are arranged below the spring tongue structure. The automobile connector terminal is advantaged in that excessive positive force attenuation after multiple times of plugging of the terminal can be prevented effectively, excessive positive force attenuation under the high temperature environment can be effectively prevented, as excessive positive force attenuation is reduced, initial plugging force of the terminal can be reduced, and assembling performance is improved.

The invention discloses a volute with an inward concave inclined volute tongue structure. According to the volute, an inward concave inclined volute tongue comprises a first part and a second part inthe axial direction by taking a plane of an impeller disc as a boundary; in the first part, for any section perpendicular to the axial direction, the radius of a volute tongue profile and the volute tongue clearance on the section generally conform to a quadratic function relation of the section position to change accordingly; and in the second part, for any section perpendicular to the axial direction, the radius of a volute tongue profile and the volute tongue clearance on the section also generally conform to a quadratic function relation of the section position to change accordingly. According to the volute with the inward concave inclined volute tongue structure, the appearance structure of the volute tongue, especially the distribution of the volute tongue radius and the volute tongue clearance corresponding to the volute tongue sectional profile in the axial direction, are improved, so that the inward concave inclined volute tongue structure and an application method thereof areapplied to the volute, improve the efficiency of a fan, reduce the noise of the fan and obviously improve the pneumatic performance of the fan.

The invention provides an adhesive tape-free expressage packing box capable of used by multiple times through innovative structural design based on the current situation of present logistics field, which solves the problems of low recycling rate of corrugated carton packages and environmental pollution caused by use of a lot of plastic adhesive tapes. A corrugated carton adopts a coil structural design; the bottom surface adopts an independent surface structure, and side plates extend from front, back, left and right, wherein inner side plates and inner rocking covers extend from the front andback side plates, and the two inner side plates are engaged by adopting an insertion tongue structure; outer side plates and outer rocking covers extend from the left and right side plates; and bonding pieces with tear lines extend from the outer rocking covers. The carton can be used by three times: in primary use, carton sealing is realized through insertion of the pieces on the inner and outerrocking covers into rectangular reversed holes and coating of adhesive on the pieces to tightly press on the outer rocking covers; in secondary use, carton sealing is realized through lamination of the bonding pieces on the corresponding outer rocking covers and tight pressing; and in ternary use, carton sealing is finished through bonding by adhesive tapes. The adhesive tape-free expressage packing box capable of used by multiple times can effectively promote recycling of corrugated cartons.

The invention discloses a noise reduction volute tongue structure and a centrifugal fan. The volute tongue structure comprises a volute tongue body formed by a volute and a shell wall at the joint ofan air outlet, and a plurality of protruding blocks at the top of the volute tongue body, wherein the plurality of protruding blocks are sequentially distributed in the axis direction of the volute, and an airflow channel for airflow to pass through is arranged between every two adjacent protruding blocks. According to the noise reduction volute tongue structure and the centrifugal fan, the distance between the volute tongue and an impeller blade is reduced by the protruding blocks, so that the effect of reducing the continuous rotation of the airflow along with an impeller is achieved, the airflow is prevented from continuously circulating in a cavity part of the volute, and then the working efficiency of the centrifugal fan is improved; and gaps between the protruding blocks can be usedas the airflow channels, when the airflow leaves the tail end of the impeller blade, the impact of the outlet airflow on the volute tongue structure is reduced, the pressure gradient of the airflow near the volute tongue is reduced to a certain extent, the effective flow area of the airflow is increased, the superposition of noise in the volute tongue area is inhibited, and therefore the aerodynamic noise of the centrifugal fan can be effectively reduced.

The invention provides a flow through air duct system which comprises an air guide volute, a volute tongue, a flow through wind wheel, evaporators and peripheral air inlet grilles. The flow through air duct system is characterized in that the volute tongue is in a step shape, and a step of the step shape faces the lateral lower portion of a protruding portion protruded from the flow through wind wheel. Through adoption of the step shaped volute tongue structure, large wind amount when a gap between the volute tongue and the flow through wind wheel is small and low noise when the gap between the volute tongue and the flow through wind wheel is big can be achieved at the same time. Therefore, the whole flow through air duct system can simultaneously improve wind amount and reduce noises.

A tiltable trailer for off-road carrying of off-road vehicles, comprising a rectangular frame having a triangular shaped front end, a rear end, left and right sides, and at least one cross support member; a bed supported by the frame and capable of supporting a vehicle; an elongated tongue structure extending from the frame; a tilting mechanism associated with the tongue structure to selectively retain the bed supporting frame in contact with the tongue structure or to release the frame from aid tongue structure to allow the frame to tilt; at least two axle-mounted wheels coupled by the axle to the frame; a first wheel well associated with the left side of the frame and disposed within the periphery of the frame; and, a second wheel well associated with the right side of the frame and disposed within the periphery of the frame.

The present invention relates to a stud system where each respective stud (2) includes flanges (4, 4a) which are directly attached to each other and which constitute an essentially monolithic entity. Said flanges are formed of a wane edge wood material (3) in such a manner that each respective flange includes a bevelled side portion (6) which is directed towards the inner portion of said stud. A side portion is formed as a contact surface (8) for intermeshing co-operation with a corresponding contact surface (8) at an adjacent flange. The present invention also relates to a method for manufacturing such studs where a first flange strip (4) is formed to include a generally toothed first contact surface (8) which is arranged in an inter-mesching disposition with a corresponding contact surface (8) at a corresponding second flange strip (4a). Further, the present invention relates to a method at such stud systems. A side portion of respective opposite flanges (4, 4a) are formed to include longitudinal tongue structures and two opposite flanges (4, 4a) are compressed so that said opposite tongue structures will be positioned in a mutually intermeshing disposition.

Narrow agricultural vehicles have been invented to make farm labor more attractive, to enable enhanced productivity of workers, and to make possible more complete usage of land. This involves making the width of the vehicle approximately the same width as a seated worker, thus enabling vehicle use with narrowly spaced row crops. The wheel set is configured for both maximum stability and efficient operation on soft surfaces using large drum wheels that maximize a rigid, footprint area.

To enhance effectiveness of such vehicles, a seat apparatus is included to enable the seated worker to function without intrusion beyond a single narrow row space, yet sit in varied positions that are appropriate for field work and are conducive to increased productivity, comfort, and safety.

The vehicle structure includes a narrow tongue structure that connects between front and rear wheel arrangements with minimal interference with work of said worker.

A braided vascular scaffold with external tongue structure layer is made up of elastic metal wire through braiding, and is composed of a netted tubular main body and at least one external tongue structure. Said main body has multiple deformable units and multiple arc wires at both ends. It can not be moved by blood stream and has high radical supporting power, flexibility and vascular compliance.

The invention relates to a clamping structure for a fan column pipe, which comprises a column pipe and a body; one end of the column pipe can be directly inserted in a column pipe hole on the body. The clamping structure for column pipe of fan is characterized in that the clamping structure further comprises a pressing rod; the body is provided with a first installing arm and a second installing arm; an elastic tongue structure is arranged on the wall of the body; the elastic tongue structure is located between the first installing arm and the second installing arm; the pressing rod is installed between the first installing arm and the second installing arm; the pressing rod is in lever structure; the long end of the pressing rod is exposed and provided with an operable movable buckle; the short end of the pressing rod is provided with a gibbosity for tightening; two sides of the short end of the pressing rod are connected with the first installing arm and the second installing arm ina turning manner; and the gibbosity can be matched with the elastic tongue structure with the turning process of the pressing rod and can radically and inwardly press the elastic tongue structure. The clamping structure for the fan column pipe has simple structure and few parts, can be disassembled without other tools and is quite practical.