Abstract: An adjusting apparatus is mounted to a tags pasting device and is for adjusting a position of a tag. The adjusting apparatus includes a cylinder assembly and a holder assembly. The cylinder assembly includes a cylinder and an absorber, the absorber is coupled to the cylinder and is for absorbing a tag. The holder assembly is coupled to the cylinder and includes two elastic pieces. The cylinder drives the absorber to engage with the two elastic pieces, thereby the two elastic pieces aligning with the tag on the absorber.

Abstract: An apparatus is provided comprising a base frame having a turntable, and a vertical section configured to be mounted on the turntable via a slidable mounting platform. The vertical section has a tapered wedge configured to move up and down the vertical section. The turntable is configured to rotate at least 360 degrees, and the vertical section is configured to move in a radial direction with respect to a center of rotation of the turntable.

Abstract: A method and a device are provided for joining the ends of strips with two or more surfaces arranged flat on top of each other, more particularly metal sheets that can be coiled, in order to draw these successively through a treatment or machining system. It is provided that the strip ends are joined by means of a plurality of eyelets arranged essentially transversally to the strip direction, wherein initially all holes are simultaneously punched in a first stroke and then all eyelets are pressed in a second stroke. The device a clamping device and a machining unit, which has a working tool with a plurality of punching and pressing tools, wherein the working tool and a die are displaceable by the distance between two neighbouring individual tools and wherein above the punching and pressing tools, a pressing device is provided.

Abstract: A method for assembling a bone anchoring device includes inserting a bone anchoring element in a first holder of a tool and inserting a receiving part in a second holder of the tool, actuating the tool from a first configuration towards a second configuration to insert a head of the bone anchoring element into the receiving part; continuing actuation of the tool towards the second configuration to move a locking ring and a receiving part body of the receiving part relative to each other until the locking ring assumes a second position with respect to the receiving part body in which the locking ring is latched to the receiving part body in a position where the locking ring compresses a portion of the receiving part body to compress the head, such that the head is held in and cannot be removed from the receiving part body and the bone anchoring element is held adjustably at a first angular position relative to the receiving part, and removing the attached bone anchoring element and receiving part from the tool

Abstract: A first lift stand is provided with a first supporting unit to support a first portion of a positioning object, and a first servo system to drive the first supporting unit in a vertical direction. A second lift stand is provided with a second supporting unit to support a second portion of the positioning object, and a second servo system to drive the second supporting unit in the vertical direction. A third lift stand is provided with a third supporting unit to support a third portion of the positioning object, and a third servo system to drive the third supporting unit in the vertical direction. A fourth lift stand is provided with a fourth supporting unit to support a fourth portion of the positioning object, and a fourth servo system to drive the fourth supporting unit in the vertical direction.

Abstract: A valve timing adjusting device for and engine includes a sprocket configured to rotate by receiving drive power from a driving shaft, a vane rotor fixed to a driven shaft so as to be rotatable relative to the sprocket, a housing that includes an oil chamber housing the vane rotor and is fixed to one end in a thickness direction of the sprocket, a bolt fixing the sprocket to the housing, and a knock pin inserted into a sprocket hole formed in the sprocket at one end thereof and into a housing hole formed in the housing at the other end thereof to restrict relative relation between the sprocket and the housing. The knock pin abuts against an inner wall of the sprocket hole at one end thereof, and abuts against an inner wall of the housing hole at the other end thereof.

Abstract: A pressing device employed to press protection blocks to a workpiece, includes a seat, a transmission assembly and four pressing assemblies. The transmission assembly includes a connecting rod, a rotation shaft, a gear, and a transmission member. The connecting rod is pivotally connected to a bottom of the seat and forms racks on one end. The rotation shaft is assembled to a side of the seat away from the pivoting rod. The gear is securely sleeved on the rotation shaft and engages with the racks. The transmission member is securely sleeved on the rotations shaft. Each pressing assembly is connected to the transmission member of the transmission assembly, and when the connecting rod drives the rotation shaft, and the rotation shaft moves the pressing assembly toward the seat, the protection block is then pressed to the workpiece.

Abstract: A machine tool for machining a workpiece with a tool moved relative to the workpiece is provided with a bed (13) providing a base, a column (15) vertically mounted on the bed (13), and a carriage (27) having supporting columns (27a and 27b), disposed on either side thereof, for oscillatably supporting a table (35), the carriage being oriented so that one (27b) of the supporting columns (27a and 27b) is positioned adjacent the column (15) and the other (27a) of the supporting columns is positioned away from the column (15).

Abstract: A work holding device that secures a workpiece includes a first support column, a second support column, and a plurality of part fixturing anchors. The first support column and the second support column are coupled to one another forming a longitudinal loading envelope having a width-wise dimension, a height-wise dimension, and a length-wise dimension. At least one of the support columns includes a plurality of part fixturing recesses passing through the support column in the width-wise dimension and arranged within the height-wise dimension and the length-wise dimension of the longitudinal loading envelope. The part fixturing anchors extend through the support column at the part fixturing recesses into the longitudinal loading envelope and couple the workpiece to the first and second support columns.

Abstract: A positioning assembly for a composite structure. An illustrative embodiment of the positioning assembly includes at least one vertical carriage support, at least one vertical carriage carried by the at least one vertical carriage support, at least one vertical motor drivingly engaging the at least one vertical carriage, a transverse carriage support carried by the at least one vertical carriage, a riser block carried by the transverse carriage support and at least one horizontal motor drivingly engaging the riser block.

Abstract: The invention relates to a compression tool (2) for the permanent connection of workpieces (14, 16, 18, 30, 34) having two pivot elements (4), which each have a compression jaw (10), and having at least one rotational axis (6), on which the pivot elements (4) are hinged, wherein the inner contours of the opposing compression jaws (10) form a receiving area (12). The present invention is based on the technical problem of disclosing an alternative compression tool (2), with which a permanent connection can be provided between workpieces (14, 16, 18, 30, 34) by axial compression. The technical problem is solved in that the inner contours have at least one sliding face (22), which is inclined relative to the receiving area axis (20). A compression tool (2) can thus be provided which, starting from a radial inward movement, performs a compression in the axial direction, nonetheless requires little installation space, and offers weight advantages due to a smaller axial extension, for example.

Abstract: A sputtering bracket includes a curved plate body, a plurality of frames, and a plurality of fastening members. The body defines a plurality of through holes and has an inner concave side. The frames are pivotally connected with the curved plate body and received in the respective through holes. Each frame is rotatable relative to the curved plate body such that either one of opposite sides thereof can be exposed at the inner concave side. The fastening members are mounted on the curved plate body body, and are spring-loaded for resilient engagement with the respective frames.

Abstract: A piston assembling apparatus includes a piston holding means including a guide tube portion which contains the piston and guides the piston into the cylinder bore. A guide tube support portion supports the guide tube portion to be displaceable in a radial direction thereof. A moving means moves at least one of the piston holding means and the cylinder block so as to locate them at an insertion preparation position where the guide tube portion and the cylinder bore are coaxial with each other. A pressing means presses the piston contained in the guide tube portion toward the cylinder block to insert the piston into the cylinder bore in a state in which the piston holding means and the cylinder block are located at the insertion preparation position, and the guide tube portion is supported by the guide tube support portion to be displaceable in the radial direction thereof.

Abstract: A work setting apparatus includes a lower table 15 on which a first work W1 is set, an upper table 17, and a work holding unit 19 having a plurality of work holders 25 each having an adhesive to hold a second work W2. The work setting apparatus lowers the work holders until a predetermined short distance is established between the first and second works and drops the second work from the work holders onto the first work, thereby setting the second work onto the first work.

Abstract: A tool for holding the wheel bearing or the wheel bearing seal of a vehicle wheel. This tool is useful in the fields of aircraft manufacture and aircraft maintenance. The aircraft wheel is of the kind comprising a rim that has a flange on the hub side and a wheel bearing, mounted on a stub axle. The holding tool comprises a plate bearing a collar that presses against the wheel bearing. An arrangement to lock the tooling onto the rim of the wheel flange brings the pressing collar into locked contact with the wheel bearing.

Abstract: In the method, grippers are placed on a stationary assembly table and rod-like members forming a wooden construction are laid on the support of said grippers. The wooden construction can be for example a roof truss or a wall frame. The assembly table comprises a vertical fastening plane to which the grippers are fastened. The fastening plane can be made of ferrous material and the grippers can be fastened to the fastening plane magnetically or by means of a suction pad gripper. The fastening of the grippers to the fastening plane, the fastening of the rod-like members to the grippers and the joint connecting the rod-like members are conducted by means of an assembly robot. The joint may be a nail plate joint, a nail, screw or staple joint or a glued joint. From the CAD file of the wooden construction a list of commands controlling the operation of the assembly robot is generated by means of a decompression program. The grippers belonging to the apparatus comprise first grippers and second grippers.

Abstract: A jig positioning system for use on a truss assembly table. The puck assembly 108 has a puck 109 positioned at least partially above the table top 105 with the puck 109 connected to a carriage 110 positioned at least partially below the table top. The puck assembly 108 moves along slots 118 in the table top 105. A threaded rod 102 extends through a threaded passageway 103 in the carriage 110, so, when the threaded rod rotates, the puck assembly moves along a corresponding slot in the table. A rod support member 116 extends along the length of the threaded rod 102 and is positioned below the threaded rod 102, the support member 116 contacting the carriage and, thereby, preventing the threaded rod from excessive sagging. A debris path is provided along both sides of the support member 116.

Abstract: A tire press is provided for inserting or removing a variable function insert (VFI) from a tire that includes a frame, a jaw assembly secured to the frame and a pusher assembly secured to the frame for interaction with the jaw assembly to insert or remove the VFI from within the tire. The invention also includes the method of inserting or removing the VFI from the tire using the press.

Abstract: The invention includes a method, and a component made according to the method having at least one thread pattern formed thereon from a stamping method. The invention includes a tubular member comprising a body having a wall formed from a wrapped sheet of stock to define an interior wall and an exterior wall, a seam in the wall defining a first and second end of the wrapped sheet of stock, and a thread pattern stamped on the exterior wall. The method comprises the steps of forming a blank from sheet of stock having a first surface. A thread pattern is formed onto the first surface while in a substantially sheet-like form. A bending operation then forms the sheet stock into a tubular member such that the thread pattern, located on the tube's external surface, is substantially aligned about its circumference.

Abstract: A mounting mechanism for mounting a touch screen to a housing includes a positioning module, a cover and a press module. The positioning module includes a base board and a positioning portion used to position the housing. The cover is hinged to the base board. The press module includes a first pressing board, a positioning stand used to position the touch screen and first elastic elements clamped between the cover and the first pressing board. The cover defines a through hole with a slidably mounted positioning stand. When the cover is rotated to resist against the base board, the touch screen is positioned opposite to the housing on the positioning portion, the first elastic elements are compressed until the screen is mounted on the housing by a pressing force provided on the first pressing board.

Abstract: A touch screen mounting mechanism for mounting a touch screen on a housing includes a base, a mounting board fixed on the base, a push element slidably mounted on the base along the vertical direction of the base, drive members fixed on the mounting board and positioning elements slidably mounted on the surface of the mounting board and located around a positioning slot. The mounting board defines a positioning slot for retaining the touch screen and the housing, the push element defines driving wedge walls, the drive members are used to drive the push element to slide, each positioning element defines a following wedge wall resisting on one driving wedge wall, and in mounting, the following wedge walls are pushed by the driving wedge walls to slide towards the center of the positioning slot to position the touch screen and the housing in the correct order.

Abstract: An accessory making device (1) of the present invention is a device for making an accessory including a core (83) formed into a substantially ring shape by connecting both ends of a stretchable cord-like body (46) having rubber-like elasticity and a decoration main body (83) disposed around the core in such a manner so as to abut both ends thereof against each other in a contracted state so as to be reduced in axial length. The accessory making device (1) includes a long rigid holder (5). The holder (5) can retain connecting portions (47M, 47F) on both end sides of the cord-like body (46) with the connecting portions (47M, 47F) of the cord-like body (46) separated from each other, and can be inserted through the decoration main body (83).

Abstract: The disclosure generally relates to a locating assembly as a component of a locating table segment for positioning truss segments in a truss assembly system. The system generally includes a plurality of table segments aligned in parallel and adapted to position a series of locating blocks on a top surface of the system/table, where each block is a component of one of a plurality of locating assemblies in the system. The block positions collectively define an outer boundary of a support truss (e.g., as a roofing truss). Once the blocks are moved to their desired position, appropriately sized truss segments are placed within the block-defined boundary and fastened together.

Abstract: A method of automatically placing pucks on a truss assembly table includes the steps of receiving input regarding the truss assembly table and a truss to be assembled on the truss assembly table, and processing the input. Locations on the truss assembly table for each puck are selected based on the processed input that optimizes the overall support given to the truss. The pucks are automatically moved to their selected locations.

Abstract: Described are embodiments of a portable crimping device for creating frame assemblies. The device includes in embodiments a rod that is movable from a first position to a second position. A head is connected to the rod, and a stud is connected to the head. When the rod is moved from the first position to the second position the stud engages a rail of a frame and deforms a portion of the rail, which secures a bracket in a channel of the rail. A second rail can then be secured to a second side of the bracket in a similar way to create a corner of a frame. The process can be repeated to generate an enclosed frame assembly for holding items such as photovoltaic panels.

Abstract: In the invention, a joining means having a ram tool, a countertool and a holder with an opening to accommodate the ram tool or the countertool, is described. The two tools are arranged coaxial with each other at different ends of a C-bracket. The invention is distinguished in that the holder comprises at least one plane contact surface arranged on the outer surface of the holder, resting in contact with at least one plane face of the corresponding end of the C-bracket and detachably fastened thereto. Between the contact surface and the face, at least one interlay is arranged, determining the information and/or the distance of the contact surface from the face.

Abstract: An abrasive polishing slurry including abrasive particles in a carrier fluid and micro-nano members. A system and method for making an abrasive article using the polishing slurry is also disclosed. The system includes a gimballed dressing bar adapted to provide a compressive force sufficient to embed the abrasive particles into the substrate, wherein the members set a height the embedded abrasive particles protrude above the substrate.

Abstract: A method for assembling a bone anchoring device includes inserting a bone anchoring element in a first holder of a tool and inserting a receiving part in a second holder of the tool, actuating the tool from a first configuration towards a second configuration to insert a head of the bone anchoring element into the receiving part; continuing actuation of the tool towards the second configuration to move a locking ring and a receiving part body of the receiving part relative to each other until the locking ring assumes a second position with respect to the receiving part body in which the locking ring is latched to the receiving part body in a position where the locking ring compresses a portion of the receiving part body to compress the head, such that the head is held in and cannot be removed from the receiving part body and the bone anchoring element is held adjustably at a first angular position relative to the receiving part, and removing the attached bone anchoring element and receiving part from the tool

Abstract: An end fitting of a surge arrester has a recess for receiving a rod, wherein the rod can be pressed inside the recess by applying an outer force to the end fitting. Furthermore, a corresponding device for pressing an end fitting and a method for pressing an end fitting are described. The end fitting contains a plurality of body edges delimited in an arc shape. Spaces between points on the body edge delimited in an arc shape and a center point of the recess are equidistant. Thus it is possible to exert a uniform force on all sides on a recess and thus provide an even deformation on all sides of the recess during pressing. As a result, accordingly pressed items, for example rods within the recess, are pressed within the recess on all sides.

Abstract: A rigging table and methods and systems for assembling trusses using a rigging table. An embodiment of a rigging table includes a base having a generally longitudinal axis and a generally lateral extent, and at least two bunk assemblies movable along the base in at least the generally longitudinal axis such that each bunk assembly is capable of being positioned on the base relative to another bunk assembly. Each bunk assembly may include a frame extending along the lateral extent of the base, a pair of guides slideably positioned on the frame to move generally transverse to the longitudinal axis of the base toward and away from each other and able to be fastened in position on the frame, and a pair of automated clamp members each positioned relative to and movable with one of the guides on the frame, to accommodate assembly of different sized trusses.

Abstract: An assembly apparatus including a bearing support mechanism configured to hold a bearing for assembly into a housing and a housing register mechanism operatively connected to the bearing support mechanism. The housing register mechanism receives and aligns a housing with a bearing on the bearing support mechanism when the housing is placed over the housing register mechanism.

Abstract: An automatic assembly jig adapted for assembling an electronic component and a case is provided. The jig includes a working platform, a carrier, a pressure exerting device and at least a gear. The working platform has a guiding rail. The carrier is disposed on the working platform and is slidably mounted on the guiding rail. The pressure exerting device is disposed above the working platform. The gear is disposed on the working platform and connected with the carrier, so as to drive the carrier moving along the guiding rail to the position under the pressure exerting device.

Abstract: A automatic truss jig setting system is disclosed that includes a table including a plurality of segments with a side edge of adjacent segments defining a slot. At least one pin assembly, and optionally a pair of pin assemblies, is movable independently of each other along the slot. Movement apparatus is provided for independently moving the pin assemblies along the slot. Each of the side edges of the segments associated with the slot defines a substantially vertical plane with a zone being defined between the substantially vertical planes of the side edges, and the movement apparatus is located substantially outside of the zone of the slot. The invention may optionally include a system for handling the obstruction of pin assembly movement, and a system for keeping track of the position of the pin assembly when the pin assembly has encountered an obstruction.

Abstract: A bushing press-fitting inspection device that can perform an inspection in any state between the beginning of press-fitting and the end of press-fitting as to whether or not the press-fitting has been satisfactorily performed is provided. The bushing press-fitting inspection device is used in a bushing press-fitting apparatus that, using a press-fitting mechanism, supports a bushing at an end of the bushing press-fitting apparatus and that press-fits, over a certain stroke at a certain load, the bushing into a bushing press-fitting portion formed in part of a structure in a cylindrical shape that is included in a workpiece. The bushing press-fitting inspection device includes setting means, storage means, input means, judgment means, and output means.

Abstract: The device comprises at least one pressing member and an attachment member for attaching it to a wind turbine part, for example, a blade root, which may have a relative movement with regard to a first part, for example, a bearing in a pitch blade mechanism, the first part having a seat into which the joint is to be fitted. Upon relative rotation between the first parts, the pressing member presses the seal into the seat. A method for fitting the seal into the seat is also provided. Operations of maintenance or partial or complete replacement of the seal can be carried out in situ on the wind turbine and also on pitch bearing manufacturing easily and effectively.

Abstract: An automated fabrication system is provided that utilizes electromagnetism to manipulate and/or sense the location of raw materials on a platform. Tools located around said platform may be utilized to fabricate a predetermined structure out of the raw materials. Tags that can be electromagnetically manipulated and sensed may be placed on passive raw materials. Structures fabricated from such a system may be, for example, a roof truss. Additionally, the fabrication system may be mobilized by way of a truck such that structures may be built on-site.

Abstract: A automatic truss jig setting system is disclosed that includes a table including a plurality of segments with a side edge of adjacent segments defining a slot. At least one pin assembly, and optionally a pair of pin assemblies, is movable independently of each other along the slot. Movement apparatus is provided for independently moving the pin assemblies along the slot. Each of the side edges of the segments associated with the slot defines a substantially vertical plane with a zone being defined between the substantially vertical planes of the side edges, and the movement apparatus is located substantially outside of the zone of the slot. The invention may optionally include a system for handling the obstruction of pin assembly movement, and a system for keeping track of the position of the pin assembly when the pin assembly has encountered an obstruction.

Abstract: A nailing mechanism for a packing plate comprises a middle feeding device, an upper feeding device, a lower feeding device, a first conveying belt, a second conveying belt, a third conveying belt, a first push panel, a second push panel, a plurality of first nail guns, and a plurality of second nail guns, wherein the nailing mechanism are used to automatically assemble a plurality of first, second, and third slabs together to make a finished packing plate, thus lowering production costs and enhancing manufacturing efficiency.

Abstract: A method and apparatus for assembling a wind turbine blade includes a jig and fixture for positioning one of a leading edge section of the blade and a trailing edge section of the blade over at the other of the leading edge section and the trailing edge section, and for securing the leading edge section to the trailing edge section.

Abstract: The invention relates to a compression tool (2) for the permanent connection of workpieces (14, 16, 18, 30, 34) having two pivot elements (4), which each have a compression jaw (10), and having at least one rotational axis (6), on which the pivot elements (4) are hinged, wherein the inner contours of the opposing compression jaws (10) form a receiving area (12). The present invention is based on the technical problem of disclosing an alternative compression tool (2), with which a permanent connection can be provided between workpieces (14, 16, 18, 30, 34) by axial compression. The technical problem is solved in that the inner contours have at least one sliding face (2), which is inclined relative to the receiving area axis (20). A compression tool (2) can thus be provided which, starting from a radial inward movement, performs a compression in the axial direction, nonetheless requires little installation space, and offers weight advantages due to a smaller axial extension, for example.

Abstract: A pressing apparatus is used to press a number of hooks of a speaker mesh to a shell. The pressing apparatus includes a workbench, a first pressing board located above the workbench, a number of bending members extending down from the first pressing board, a second pressing board located above the first pressing board, and a number of pressing members extending down from the second pressing board and slidably passing through the first pressing board. The number of bending members press inner sides of distal ends of the hooks to bend out in response to the first pressing board moving towards the workbench; and the number of pressing members press the distal ends of the hooks to bend further to hold the shell in response to the second pressing board moving towards the workbench.

Abstract: A positioning assembly for a composite structure is disclosed. An illustrative embodiment of the positioning assembly includes at least one vertical carriage support, at least one vertical carriage carried by the at least one vertical carriage support, at least one vertical motor drivingly engaging the at least one vertical carriage, a transverse carriage support carried by the at least one vertical carriage, a riser block carried by the transverse carriage support and at least one horizontal motor drivingly engaging the riser block.

Abstract: There is provided a method of promoting adhesion of a printer cartridge seal to a printer cartridge. The method comprises providing a printer cartridge seal applicator having an applicator portion configured to apply pressure on a printer cartridge seal, an applicator body connected to the applicator portion, and a handle connected to the applicator body. The method further comprises positioning the printer cartridge seal applicator in between a toner supply roller and a printer cartridge surface defining a toner opening port. The method further comprises using the applicator portion to press the printer cartridge seal against the printer cartridge surface defining the toner opening port.

Abstract: An automatic assembly jig adapted for assembling an electronic component and a case is provided. The jig includes a working platform, a carrier, a pressure exerting device and at least a gear. The working platform has a guiding rail. The carrier is disposed on the working platform and is slidably mounted on the guiding rail. The pressure exerting device is disposed above the working platform. The gear is disposed on the working platform and connected with the carrier, so as to drive the carrier moving along the guiding rail to the position under the pressure exerting device.

Abstract: In a processing method for processing a cylinder block, a finish processing for the cylinder bore is performing, by pressing the portion of the bolt phase for fastening the cylinder head on the cylinder portion outer peripheral surface forming the inside surface of a water jacket, on the condition that the rigidity of the pressed portion on the cylinder portion toward the pressure from the side of the cylinder bore (the surface pressure from the grinding stones by honing process) is enhanced compared with the other portions.

Abstract: The invention relates to a tool used for pressure crimping and driving-out of a cleat, comprising: (a) a first receptacle opposite which is located a crimping head movably mounted on a body of the tool; (b) a second receptacle opposite which is located a drive-out head also movably mounted on the body; and (c) pressure means movably mounted on the body so as to be able to be displaced from a crimping position in which they are capable of exerting pressure on the crimping head, to a drive-out position in which they are capable of exerting pressure on the drive-out head, and conversely.

Abstract: An assembly apparatus for assembling components including a work surface, a laser projector, a computer controlling the laser projector to protect a laser image on the work surface, and an ejector lifting a completed assembly from the work surface having a retro-reflective surface within a field of view of the laser projector when the ejector is lifted, such that the laser projector scans the retro-reflective surface and the computer determines at least one of the number of completed assemblies made and the time required to make the assembly.

Abstract: A bidirectional lens pressing system for use in pressing a lens into a port housing is disclosed. The lens pressing system includes a frame that supports a top motor stage, a bottom motor stage, and an indexing stage. The indexing stage is interposed between the top and bottom motor stages and includes a hole that retains a port housing or other component. The top pressing tool is selectively movable in a first direction by the top motor stage and includes a first engagement surface for engaging the lens. Correspondingly, the bottom pressing tool is selectively movable in a an opposing second direction by the bottom motor stage and includes a second engagement surface for engaging the port housing. The first and second engagement surfaces of the top and bottom pressing tools cooperate to press the lens into the port housing while imposing no net force on the indexing stage.

Abstract: An automated fabrication system is provided that utilizes electromagnetism to manipulate and/or sense the location of raw materials on a platform. Tools located around said platform may be utilized to fabricate a predetermined structure out of the raw materials. Tags that can be electromagnetically manipulated and sensed may be placed on passive raw materials. Structures fabricated from such a system may be, for example, a roof truss. Additionally, the fabrication system may be mobilized by way of a truck such that structures may be built on-site.

Abstract: A constant velocity joint for a drive system with a first rotating shaft and a second rotating shaft, comprises: a hollow housing having an open end and a closed end and fixed to the first rotating shaft, an inner face of the housing including a plurality of guide grooves extending in an axial direction and spaced equally apart in a circumferential direction of the housing; and a tripod disposed at an end of the second rotating shaft, having a plurality of trunnions each positioned in a corresponding one of the guide grooves and being spaced equally apart in a circumferential direction of and at an angle normal to the second rotating shaft; and, an inner roller mounted to an outer end portion of each of the trunnions, an outer roller mounted on an outer face of each inner roller with needle rollers engaged between the inner and outer rollers, and allowing the outer face of each outer roller to roll and move in the corresponding one of the guide grooves and for transmitting a load between the first and second