64results about How to "Increase holding power" patented technology

A graft anchor includes an interference screw having a passage provided therein and a cross member adapted to be disposed in the passage of the interference screw to secure a graft.

A housing structure of a socket electric connector includes an insulation body, a plurality of terminals and a shielding shell. The insulation body includes a base. The terminals are disposed on the insulation body. The terminals include a plurality of welding pins exposed outside the bottom of the base. The shielding housing covers the insulation body and includes a top cover board, a rear cover board and a plurality of connecting pins. The top cover board is disposed on the top face of the base. The rear cover board is connected to the rear side of the top cover board. The rear cover board extends downward to the rear side of the base. The rear cover body includes a bottom face. The connecting pins are connected to the bottom face. The shielding shell is disposed on the circuit board. The distance between vertical sections of the bottom face and the circuit board is smaller than or equal to 1.0 mm.

The invention discloses an LED (light-emitting diode) support which comprises at least one pair of electric conducting terminals, a first insulation body and a second insulation body, wherein the first insulation body and the electric conducting terminals are molded into a whole; the second insulation body is molded outside the first insulation body; the first insulation body is provided with a containing cavity which is used for packaging an LED chip; each electric conducting terminal comprises a fixed welding region, a first extending part, a second extending part and a welding part, wherein the fixed welding part is exposed out of the bottom surface of the containing cavity; the first extending part is formed in the way that the fixed welding part is bent from the tail end to form a first bent part and then extends inwards at a certain inclined angle; the second extending part is formed in that way that the first extending part is bent from the tail end to form a second bent part and then extends outwards; the welding part is formed in the way that the second extending part is bent to form a third bent part and then extends; the fixed welding region is close to one end of the first bent part and is integrally molded into the first insulation body; and the first extending part and the second bent part are integrally molded in the second insulation body. The LED support and the manufacturing method thereof can effectively improve the waterproof and moisture-proof performances.

The invention provides a chuck seat with a front-load air cylinder, and the chuck seat with the front-load air cylinder comprises a main shell body, a chuck adjusting sleeve, a chuck main sleeve tubeand an adjusting structure, wherein the side surface of the main shell body is provided with a plurality of installation holes, the chuck adjusting sleeve is arranged inside the main shell body and isprovided with a pressing block, the pressing block is provided with through-holes which communicate with the installation holes, the chuck main sleeve tube is arranged inside the main shell body andthe chuck adjusting sleeve in an inserting manner, and the adjusting structure is arranged inside the installation holes and the through-holes in a penetrating manner and compresses the chuck adjusting sleeve to change the concentricity of the chuck main sleeve tube. The chuck seat with the front-load air cylinder is scientific in structure, and by means of the chuck seat with the front-load air cylinder, the use accuracy of the chuck seat with the front-load air cylinder is significantly improved, and the mass production of products is facilitated.

The invention relates to a bicycle fixing structure of a vehicle tail carriage. The structure comprises a fixing plate arranged below the vehicle tail; the fixing plate is provided with a cavity inside, the cavity accommodates a foldable carriage, and the foldable carriage comprises a slide plate and a bumper plate which can be folded correspondingly; two sides of the cavity of the fixing plate are provided with guide rails, rolling wheels are arranged below the slide plate, and the circumferences of the roller wheels contact with the guide rails; the upper surface of the slide plate is provided with bicycle fixing structures, fixing blocks of the bicycle fixing structures are provided with fixing blocks units with adjustable magnetic force, magnets are arranged in guide pole gaps of the fixing block units, the magnetic induction lines formed between N poles and S poles of the magnets of the gaps penetrate the guide poles, the strength of the magnetic induction lines of panels is increased, and the attracting force applied to movable blocks by the fixing blocks is increased.

The invention provides a toothed gearing, in which the peripheral part of internal gear circular part is press-inserted to the internal peripheral part of the front casing built-in wall. After a plurality of clamping catches are inserted in lots of clamping slots on the internal peripheral part of the front casing built-in wall, the two ends of clamping catches are applied the outside force to make them plastically deform, so as to form a plurality of riveted fixing part.

The invention provides a machine tool main shaft transport device, and belongs to the field of electromechanical devices. The machine tool main shaft transport device comprises rear wheels, a rear wheel motor, sliding blocks, cylindrical guide rails, a bottom plate, front universal wheels, a main motor, a main motor lead screw, main motor lead screw supports, a push rod, a height hydraulic cylinder, a length hydraulic cylinder and a main shaft ejector pin. The rear wheel motor is connected with the rear wheels through the support and arranged on the rear portion of the lower portion of the bottom plate, the front universal wheels are disposed on front part of the lower portion of the bottom plate, the two cylindrical guide rails are arranged in the middle of the upper portion of the bottom plate in parallel, the two sliding blocks are arranged on the cylindrical guide rails, the main motor lead screw is arranged between the left main motor lead screw support and the right main motor lead screw support, the sliding blocks are matched with the main motor lead screw through threads, the main motor is connected with the main motor lead screw through a gear set, the lower end of the height hydraulic cylinder is connected with the sliding blocks, the upper end of the height hydraulic cylinder is connected with the middle of the length hydraulic cylinder, the lower portion of the length hydraulic cylinder is connected with the sliding blocks, the front end of the length hydraulic cylinder is connected with the main shaft ejector pin, and the push rod is disposed behind the upper portion of the bottom plate. The machine tool main shaft transport device has the advantage of being capable of assisting in machine tool main shaft transport.

The invention discloses a preparing method of electric connector, which comprises the following steps: moulding front end surface, back end surface and lateral insulating bulk between front and back end surfaces; setting through-hole to insides of terminal hole on the lateral; moulding several conductive terminals with base; fixing terminal in the holding part of terminal in the hole; setting joint plate on base lateral; loading terminal group in the insulating bulk to make terminal holding part in the terminal hole to form semi-product electric connector; exposing joint plate in the through-hole when conductive terminal is put in the terminal hole; moulding semi-conductor electric connector again to form product; inserting inward bending connector in the insulating bulk by piercing through-hole to punch joint plate.

The invention discloses an indexing chuck. The indexing chuck comprises a clamping seat, an indexing shaft, a piston and a locating shaft. The indexing shaft is rotatably arranged in the clamping seat. The piston is arranged in the clamping seat in a manner that the piston can transversely move in a reciprocating manner. The locating shaft is arranged in the clamping seat in a manner that the locating shaft can move in the axial direction of the locating shaft. The piston is provided with a first inclined guiding portion, and the locating shaft is provided with a second inclined guiding portion. The piston and the locating shaft are clamped together through the first inclined guiding portion and the second inclined guiding portion, and therefore, in the moving process of the piston, the locating shaft can be driven by the piston to move close or away relative to the indexing shaft; and furthermore, the effect that a workpiece is located or released is achieved. In this way, by means ofthe indexing chuck, the structure can be simplified so that the cost can be lowered; and when the indexing chuck is subjected to the action of centrifugal force, the jacking force, for the workpiece,of the locating shaft can be increased through cooperation between the first inclined guiding portion and the second inclined guiding portion.

The invention discloses an LED (light-emitting diode) support which comprises at least one pair of electric conducting terminals, a first insulation body and a second insulation body, wherein the first insulation body and the electric conducting terminals are molded into a whole; the second insulation body is molded outside the first insulation body; the first insulation body is provided with a containing cavity which is used for packaging an LED chip; each electric conducting terminal comprises a fixed welding region, a first extending part, a second extending part and a welding part, wherein the fixed welding part is exposed out of the bottom surface of the containing cavity; the first extending part is formed in the way that the fixed welding part is bent from the tail end to form a first bent part and then extends inwards at a certain inclined angle; the second extending part is formed in that way that the first extending part is bent from the tail end to form a second bent part and then extends outwards; the welding part is formed in the way that the second extending part is bent to form a third bent part and then extends; the fixed welding region is close to one end of the first bent part and is integrally molded into the first insulation body; and the first extending part and the second bent part are integrally molded in the second insulation body. The LED support and the manufacturing method thereof can effectively improve the waterproof and moisture-proof performances.

A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A fluid coupling having an outer housing with an internal bore, an O-ring seal fitted within the bore, a spacer bushing fitted against the seal, a first gripper ring fitted against the axially outer side of the spacer ring, a second gripper ring fitted against the O-ring seal, the gripper rings having axially and radially inwardly protruding circumferentially spaced gripping teeth, in one embodiment the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper rings, spacer bushing, and O-ring within the outer housing.

The invention discloses a method for preparing a trimmer, which comprises: fixing the grinding ends of a plurality of abrasive particles on a lower die by adhesive, pouring liquid resin, allowing the liquid resin to solidify to fixedly combine with the plurality of abrasive particles and removing the adhesive adhered on the grinding ends. During the liquid resin pouring operation, the plurality of abrasive particles do not shift and have the same protruding height, and the grinding end face of the trimmer is flatter; and the resin combined with the plurality of abrasive particles, before solidification, is subjected to pressurization and vacuumizing to reduce the air bubble content of the resin and increase the holding force of the resin for the plurality of abrasive particles, so that the plurality of abrasive particles do not strip when trimming a grinding pad.