39results about How to "Good axial movement" patented technology

A spinal rod system includes a first instrument extending between a proximal portion and a distal portion along a longitudinal axis thereof. The proximal portion defines an inner cavity extending along the longitudinal axis. The first instrument includes a first arm extending along the longitudinal axis. The first arm defines a portion of a vertebral construct cavity disposed in communication with the inner cavity and includes a distal end being configured to engage a bone fastener. Methods of use are disclosed.

An expandable tubular coupling (10) includes first and second thread portions (12,14) each comprising a plurality of inter-engaging teeth (20,22), wherein at least one tooth on the first thread portion (12) engages a corresponding tooth on the second thread portion (14) and the remainder of said inter-engaging teeth (20,22) define respective gaps (32) therebetween.

A coaxial cable connector includes a connector body and an annular post coupled to the connector body. The connector body has a rearward cable receiving end and an internal threaded surface defined in the rearward cable receiving end. The internal threaded surface is adapted to threadably engage an outer surface of a coaxial cable. The annular post has a rearward cable insertion end disposed within the connector body, which preferably defines a sharp edge adapted to penetrate an end of the cable as the connector body is threaded on the outer surface of the cable.

The invention discloses a design method of an automatic orienting device for big ends of eggs. The automatic orienting device for the big ends of eggs comprises a rowing region, an overturning region and a combing region in sequential arrangement. Time t1 required for an egg to complete the maximum displacement A-L on support rollers along an axial direction within the rowing section is computed via a formula, length of the rowing section is obtained according to the time t1 and the formula; length W of a bending section of each limit guide rod in the overturning region is computed via the formula; length D' of the overturning region, time t2 required for an egg to complete the maximum displacement A-L on support rollers along an axial direction within the combing region is computed, and length of the combing region is computed; and total length of a working area is obtained by summing the B, the D', the P, the length of a feeding region and the length of a discharging region. By the aid of the design method of the automatic orienting device for the big heads of eggs, structural parameters of above regions and bending sections of the limit guide rods are optimized, structural size of a whole machine is further optimized, and transmission efficiency between the eggs and the support rollers is improved.

A split axle assembly for obtaining gage measurements of a track including a first wheel with a first split axle, a second wheel with a second split axle, a first bearing for rotatably receiving the first split axle, and a second bearing for rotatably receiving the second split axle, the first bearing and the second bearing being positioned inboard between the first wheel and the second wheel. In one embodiment, a sliding barrel device is provided. In another embodiment, the first bearing is received in a first bearing body and the second bearing is received in a second bearing body so that they are axially movable relative to one another. At least one linear guide is provided to allow axial movement of the first bearing body and the second bearing body relative to one another.

A showerhead is disclosed with a control surface about the lower periphery of the showerhead that can be continuously rotated through 360 degrees to control the water spray patterns exiting the showerhead. The control surface is mechanically linked by a cam track and mating cam followers to a set of plungers in the showerhead faceplate. The plungers can be axially moved within openings in the faceplate of the showerhead by rotation of the control surface. That axial movement of the plungers allows a user's adjustment of the spray patterns exiting the showerhead.

A system includes a pump. The pump includes a piston configured to axially reciprocate within a body. The axial movement of the piston activates a first chamber valve and a second chamber valve. The system also includes a main valve configured to direct a flow to the pump to facilitate the axial movement which then transfers a fluid from a reservoir to a spray applicator. The system includes a runaway valve system fluidly coupled to the main valve and configured to detect a runaway state of the pump. The runaway valve system is configured to direct the main valve to stop operation of the pump in response to detection of the runaway state.

Some embodiments include a strike training machine that provides bidirectional resistance. The machine replicates the full and natural trajectory of the striking motion and provides resistance throughout extension and contraction of the striking motion. In this manner, the machine trains all muscles involved in a particular strike. The trajectory of the machine is user adjustable to accommodate different striking motions which include punches, kicks, elbow strikes, knee strikes, and throwing motions. In some embodiments, the machine applies a user specifiable amount of resistance. By adjusting the amount of resistance, the actor is able to overload train the muscle groups associated with the striking motions by gradually increasing resistance during training.

A circular stapling device includes a handle assembly, an elongate body portion that extends distally from the handle assembly, a shell assembly supported on a distal end of the elongate body portion, an anvil retainer assembly extending through the shell assembly, and an anvil assembly supported on the anvil retainer assembly. The anvil retainer assembly includes a retainer member including a retainer body and an engagement member that is pivotally supported on the retainer body. The engagement member is movable axially in relation to the retainer body from a retracted position to an advanced position to move the engagement member to from a locked position to an unlocked position in relation to the retainer body. In the unlocked position, the engagement member is movable from a non-articulated position to an articulated position in relation to the retainer body.

A spinal fixation device includes a housing defining a chamber and a longitudinal axis, and an end plate assembly operatively coupled with the housing. The end plate assembly includes a first end plate configured to engage a vertebral body and first and second support assemblies operatively coupled to the first end plate. The first support assembly is selectively movable between a first position in which the first end plate is spaced apart from the housing and a second position in which the first end plate is adjacent the housing. The second support assembly is transitionable between a first state in which the first end plate has a first angular orientation and a second state in which the first end plate has a second angular orientation.

The invention relates to an automatic device for being capable of fastening multiple screws at the same time, in particular to a synchronous fastening device. The synchronous fastening device achievesthe purpose of being simple in structure, convenient to adjust, high in reliability and uniform in stress of a fastened piece. The synchronous fastening device comprises a power source, a base, a fixing shaft fixedly installed at one side of the base, a driving gear which sleeves the fixing shaft and can rotate relative to the fixing shaft, a plurality of driven gears capable of being externallymeshed with the driving gear, a plurality of transmission shafts capable of synchronously rotating relative to the driven gears, and a fastening piece which is connected with one ends of the transmission shafts and can synchronously move along with the transmission shafts. The fastening piece is used for fastening the piece to be fastened. The fastening piece is matched with the piece to be fastened. The power source is used for supplying power to the driving gear. The automatic device further comprises a transition gear. The device adopts the single power source to achieve synchronous screwing of the screws, assembling and adjusting are easy, the cost is low, the requirement for the environment is low, and the application range is wide.

A compact portable leg exercise apparatus includes a top platform, a base member, a resilient member and a frame assembly interposed between the top platform and base member. The apparatus is sized to receive a foot onto the top platform to move the top platform relative to the base member and against a force provided by the resilient member as the apparatus is moved to the collapsed position. The apparatus is sized to fit in carryon luggage, handbag, backpack or be hand-carried, allowing for its use anywhere. The frame assembly aligns the top platform and base member and inhibits twisting motion of the top platform relative to the base member, thereby constraining the motion of travel for the apparatus. The frame assembly can include a plurality of hinged leaf pairs shaped to inhibit generation of noise by the frame assembly as it moves to the collapsed configuration during use of the exercise apparatus. The exercise apparatus is light weight, small, quiet and stable, allowing for it use at home, the office, in public, in the airplane, or even within a vehicle.

The invention belongs to the technical field of mechanical machining equipment, and particularly relates to a drill bit for deep and large hole drilling. The drill bit comprises a tool bit body, a roller pressing plate, a white steel knife strip, a supporting roller, a hard alloy blade, a roller pressing plate fixing screw and a white steel knife fixing screw. A drilling chip removal area which is arranged in an X crossing manner is machined on a drill bit body; a cutting liquid spraying hole is formed in the bottom of the drill bit body; and automatic chip removal in the machining process is achieved. The drill bit is special for deep and large hole machining and has the beneficial effects that the drilling efficiency is high, the supporting force in the drilling process is large, the blade is not prone to collapsing, and the service life of the drill bit is long.

A blind rivet element for fastening to a workpiece which has a particularly preformed hole comprising a sleeve body and a bolt element guided through the sleeve body, the blind rivet element being insertable into the hole of the workpiece and the sleeve body being deformable in sections relative to the sleeve body by an axial movement of the bolt element to fasten the blind rivet member to the workpiece. The sleeve body has at least one contact portion which is arranged and configured such that the contact portion cuts into a wall of the hole and / or a region around the hole and / or a deformation of the wall of the hole and / or the area around the hole in particular in order to make an electrical contact between the workpiece and the blind rivet element.

The invention disclosed herein is a system for dispensing storage or fogging oil into the cylinders of internal combustion engines prior to putting the engines up for storage, during storage, or when removing the engine from storage. The system includes a dispensing adapter for closing off the spark plug hole of an engine cylinder, the dispensing adapter including threads of different sizes and diameters to accommodate common spark plug thread sizes. The dispensing adapter may also be used to temporarily plug a spark plug hole when a spark plug is removed from an engine.

The invention discloses a filtering bottle. The filtering bottle comprises a bottle body, a filter element and a bottle cap, wherein the bottle body is provided with a containing space and an opening; the filter element is arranged in the containing space of the bottle body; the bottle cap is connected with the bottle body in an installation and detachment way, and is used for sealing the opening of the bottle body; the bottle cap and the bottle body are respectively provided with a circumferential wall; a plurality of first inserting grooves are arranged in the revolving wall surface of the first circumferential wall in an annular array way; a plurality of first inserting blocks are arranged on the revolving wall surface of the second circumferential wall in an annular array way; a first guide mechanism is arranged between an opening of each first inserting groove and the end of the corresponding first inserting block; the first circumferential wall and the second circumferential wall are sheathed, the first inserting blocks are inserted into the first inserting grooves, and the axial relative movement of the first circumferential wall and the second circumferential wall is limited under the matching action of the first inserting blocks and the first inserting grooves; an installation and detachment structure is arranged between the first circumferential wall and the second circumferential wall, and is used for limiting the relative rotation of the first circumferential wall and the second circumferential wall. The filtering bottle has the advantages that the installation and detachment are convenient, and the connection after installation and connection is firm.

A tensioning device for a door operating system includes a pulley carriage on which a pulley of the door operating system is mounted for rotation, the pulley carriage being movable relative to a track of the door operating system. The tensioning device further includes an adjuster configured to move the pulley carriage relative to the track and thereby alter a level of tension in a longitudinal drive component of the door operating system, the adjuster of the tensioning device being accessible from an end of the tensioning device facing a track operator end of the door operating system. The tensioning device also includes a resilient member operatively engaged with the adjuster, the resilient member configured to provide damping of forces experienced by the longitudinal drive component.