37results about How to "Reliable tension" patented technology

The inventive concept relates to a shoe enabling the adjustment of the tension of shoelaces. The shoe includes a first shoelace engaging member including left and right shoelace engaging members and a second shoelace engaging member. The first shoelace engaging member includes a first fixed member engaged to the shoe front upper and a movable member rotatably engaged to the first fixed member by means of hinge formed at first end of the movable member. The movable member includes a hole through which a shoelace passes and formed at second end of the movable member. The second shoelace engaging member is disposed between the left and right shoelace engaging members. The second shoelace engaging member includes a second fixed member disposed on a tongue and a second movable member rotatably engaged to the second fixed member by means of a main hinge.

The invention provides a non-initiating unlocking device and a locking and unlocking method thereof, which belongs to the field of unlocking devices. The device comprising a fastening cord, A hot knife assembly and at least two locking release members, the lock release member is used for fixing on the first member and the lock release member is used for fixing on the first member, the fastening cord is for providing a tightening force to the lock release member such that the lock release member locks the second member in a first state, the hot knife assembly comprises a hot knife and a hot knife mounting part, The hot knife mounting part is made of heat insulating material, the hot knife is arranged in the hot knife mounting part, the fastening rope is in close contact with the hot knife,and the hot knife is an electric heating element for generating heat to fuse the fastening rope, so that the locking releasing part returns to the second state and releases the second part. The invention avoids the carbonaceous fragments caused by the radial thrust, and the hot knife and the hot knife mounting part are structured under the space environment, and the performance is stable and the reliability is high.

A window regulator which attenuates vibrations of a wire, which are generated when the door is closed while a window glass is constrained at the top end of the window, to suppress the generation of an abnormal noise. The window regulator includes a carrier plate coupled to a vehicle window glass, a driving unit which lifts and lowers the carrier plate and is disposed below a lower limit of lifting and lowering of the carrier plate, a lifting wire having one end coupled to the carrier plate and another end coupled to the driving unit via a direction-changing member, and a lowering wire having ends coupled to the carrier plate and the driving unit, respectively. An attenuation member is provided on the lifting wire interposed between the direction-changing member and the driving unit and makes contact with the lifting wire to attenuate vibrations when the lifting wire vibrates.

The invention provides an Ou embroidery frame clip. The Ou embroidery frame clip comprises: a rectangular Ou embroidery frame, the left and right ends of which are both equipped with convex columns and on the upper surface of which is provided with a flattened embroidery cloth; a pair of rubber sleeves, which are sleeved at corresponding convex columns respectively and are fixed on the Ou embroidery frame; and a pair of Ou embroidery clips, one of which clamps the left end of the embroidery cloth at the left end rubber sleeve, and the other one of which clamps the right end of the embroidery cloth at the right end rubber sleeve to tension the embroidery cloth at the upper surface of the Ou embroidery frame, thus being conducive to making Ou embroidery products by operators. The Ou embroidery frame clip provided by the invention tensions the embroidery cloth at the Ou embroidery frame reliably, and is beneficial to making of Ou embroidery products by operators.

An air filtration unit, includes a filter cartridge (4) of the filtration bag (6) type, the bags (6) being arranged vertically and held extended by appropriate fixing elements (16, 17), between two support structures (12, 13). The upper ends (15) of the bags (6) are fixed to an upper support structure (13), in the form of a perforated sheet and the lower ends thereof (14) are fixed to a lower support structure (12), in the form of a grille. According to the invention, the fixing elements (16, 17), for the filtration bags (6), are embodied to permit the tensioning of the bags (6) at the upper end (15) thereof. The invention further relates to a particular method for assembly of a filtration bag within a unit as above, a tool for tensioning bags, embodied to be suitable for the unit.

Device for carrying a replacement safety valve in a well tube, with a straddle structure for placement inside a damaged “Down Hole Safety Valve” nipple seal area. It is comprising a pair of sealing assemblies (15, 16) to be activated upon setting of the device to seal said nipple seal area, and a locking dog assembly (17) for locking the device in the well tube, said elements being carried by a tubular mandrel (12). At least one of the sealing assemblies (15, 16) comprises a expandable element (22; 34) being activated by a pair of annular press elements (19, 20).

A transmission element for a zero backlash transmission with at least two transmission paths that are tensioned relative to one another has a first transmission part and a second transmission part that are elastically tensionable relative to one another. At least one torsion spring element for increasing the elasticity is provided. The torsion spring element transmits torque between the first and second transmission parts and the first and second transmission parts are rotatable relative to one another.

A method of processing a wafer having a plurality of devices partitioned by division lines, including attaching the wafer to an adhesive tape supported by a first annular frame, dividing the wafer along the division lines into a plurality of dies, and placing the wafer (and the adhesive tape) on a support surface of a support member before or after dividing the wafer, wherein an outer diameter of the support member in the plane of the support surface is smaller than an inner diameter of the first annular frame. The method also includes moving the first annular frame and at least a peripheral part of the support member relative to each other to radially expand the adhesive tape, thereby moving the dies away from each other, and attaching a second annular frame to a portion of the expanded adhesive tape arranged at the peripheral part of the support member.

A window regulator includes: a guide rail including a rail main body part, an insert-through part provided at one end of the rail main body part and inserted into a housing, and a locking tab provided at the rail main body part. The housing includes a housing part housing the insert-through part, an engaging part engaging with a tip of the locking tab, and a guide part configured to guide the tip of the locking tab to the engaging part when the tip of the locking tab is brought into contact with the guide part. The engagement of the locking tab and the engaging part restricts movement of the housing in a longitudinal direction of the rail main body part toward the one end of the rail main body part.

A rail securing system comprising at least one angle guide plate allows a perfect retention of the tension clamp in its pre-assembly position and facilitates final assembly. The angle guide plate has recess, which is designed as a seat for a free end section of a spring arm of a tension clamp to be mounted on the angle guide plate, wherein the recess engages around the end section by less than half of its circumference. The transition between the recess and the section of the angle guide plate which follows on from the recess in the direction of the rail is formed such as to be free of any abrupt change, so that the tension clamp can be pushed in a simple manner on the angle guide plate into its assembly position.

A tensioning rail for a drive chain, in particular for a chain drive of an internal combustion engine, comprises a basic body and a spring unit, the basic body including a sliding surface for contact with the drive chain and a press-on surface. The spring unit comprises a tensioning end arranged on the press-on surface and a support end supportable on a counter bearing, a wear protection element being provided, which is arranged at the support end of the spring unit. In addition, the invention relates to a chain drive including such a tensioning rail as well as to the use of such a tensioning rail for a chain drive of an internal combustion engine.

The invention relates to the technical field of cable processing, also discloses an anti-loosening device for cable conveying. The device comprises a base, wherein the top of the base is fixedly connected to an unwinding roller and a winding roller, two sets of supporting rods are symmetrically and fixedly connected to the top of the base, the number of supporting rods in each set is two, two fixing plates are symmetrically and fixedly connected between the top ends of the two sets of supporting rods, two limiting rods are symmetrically and fixedly connected between the side surfaces, close toeach other, of the two fixing plates, two sets of sliding grooves are symmetrically formed in the side surfaces, close to each other, of the two fixing plates, and the number of sliding grooves in each set is two. According to the device, the problem that a cable is prone to loosen in a long-distance conveying process, so that the cable may be wound disorderly in the conveying process, and smoothperforming of cable processing is further affected is solved.

The invention relates to a pre-stressed silver wire fixing bracket and a forming method. The pre-stressed silver wire fixing bracket comprises a mounting base, a pre-stressed bracket, a compression screw and a silver wire, the mounting base is a combustion chamber shell front sealing head; a hole is formed in the center of the front sealing head and a threaded connection structure is designed; one end of the silver wire is fixed to the inner surface of the front end socket through a support, the other end of the silver wire is fixed to the charging tool before the propellant is poured, the charging tool is removed after the propellant is solidified, and the silver wire is in the design state parallel to the axis; before being fixed, the pre-stress support is of a plane structure and is in an internal non-pre-stress state, and after being installed in place through the compression screws, the pre-stress support deforms due to limitation of the installation base and meanwhile generates pre-stress. The support with the prestress provides tensioning force in the silver wire fixing process, and it is guaranteed that the silver wire is tensioned. According to the method, it is guaranteed that the silver wires are located on the designed distribution circle, the loosening phenomenon of the silver wires is avoided, and the problem of silver wire fixing during pouring of the adherent pouring silver wire embedded end combustion grain propellant is solved.