Abstract: A drop test system includes support members offset from each other and having corresponding tracks, a lifting rod bridging the support members and having rod ends adapted to engage with the tracks to move along the tracks, and a pair of spiral cams adapted to rotate in unison and positioned to engage with and reciprocally lift and drop the lifting rod as the spiral cams rotate. The spiral cams each have a perimeter shape that includes an abrupt section and a curved section that connects to opposing ends of the abrupt section with a smooth curvature. The lifting rod is adapted to ride on the perimeter shape of the spiral cams and gradually lift and drop a unit under test (UUT) as the spiral cams rotate.

Abstract: A peeling mechanism configured to cooperate with a mechanical arm to remove a protecting film from a workpiece can include a driver, two clamping members coupled to the driver and spaced from each other, and two cutting members respectively coupled to the clamping members oppositely to each other. Each cutting member can include a protruding end extending towards the other cutting member. The protruding end protrudes out of the clamping member. The driver can be configured to move the two clamping members towards each other.

Abstract: Apparatuses and methods are provided for cutting a traveling web of paper that is being spooled on a full spool and transferring the paper web to spool on an empty spool by driving turn-up tape into a nip between the empty spool and the paper web. The apparatuses and methods provide a more problem free way of transferring a traveling paper web to an empty spool.

Abstract: An apparatus for advancing one or more lengths of wire in consistent successive increments includes a pair of cooperating gripper members. A first gripper and a second gripper are provided for advancing the length of wire, and are slideably located within a slot. A reciprocating press assembly having inclined surfaces is used to motivate the grippers. The inclined surfaces are inserted between the grippers and force the grippers to move away from each other during the downstroke of the plunger. Springs force the grippers back toward each other, and aid in repositioning the grippers and moving the wire. While one gripper grips and advances the wire, the second gripper is repositioning and not gripping the wire. The press assembly activates and advances one gripper during a downstroke, and activates and advances the other gripper during an upstroke. Also, during the downstroke, one inactive gripper is repositioned, while on the upstroke, the other inactive gripper is repositioned.

Abstract: A method and apparatus is provided for crushing a portion of a corrugated plate in a selected area of the corrugations without blocking the grooves. In accordance with the method teeth are inserted into grooves on opposite sides of the corrugated plate and the corrugation ridges associated with such grooves are, axially adjacent such insertion, crushed to a predetermined thickness. The teeth are then withdrawn, the corrugated plate is indexed a desired number of ridges/grooves and the die members are again engaged with the opposite sides of the plate. The apparatus for crushing a plate includes a frame for supporting the plate, a feed apparatus for moving the plate at the desired time in the desired direction, and a forming apparatus for crushing plate ridges in a zone and obstructing, in a transition zone between the crushed ridges and the uncrushed ridges, ridge transverse movement into adjacent grooves.

Abstract: A high speed wire handling and cutting apparatus having particular application for efficiently providing a continuous supply of uniform dimension wire leads which are to be electrically connected (e.g. welded) to an electronic component, or the like, so that such component can be connected into an electrical circuit. The apparatus includes a wire feeding crank and an associated cross head assembly, a wire receiving crank and an associated cross head assembly, and a wire cutter disposed therebetween. The wire feeding crank and its associated cross head assembly continuously feed an accurately metered length of wire from a wire supply to the cutter, so that wire sections of precise and uniform dimension can be cut therefrom. The wire receiving crank and its associated cross head assembly embrace the sections of wire that are cut from the supply and transfer the sections from the cutter to a suitable storage facility or to the next stage in an electronic component packaging and/or manufacturing assembly line.

Abstract: Disclosed is an improved tag attaching device, of which the feeding mechanism for feeding tag pins of a loaded tag pin assembly one at a time comprises a cam plate movable up and down along a guide groove in which the tag pin assembly is insertion loaded, an engaging pawl member pivotally mounted to the cam plate, and a spring mounted between the engaging pawl member and the main body, and in which when the cam plate is upwardly moved against the spring force of the spring, the engaging pawl member is rotated to have its front end sticked into the connecting bar of the tag pin assembly, and as the cam plate and the engaging pawl members are lowered by the function of the spring, the tag pin assembly is fed downwardly.

Abstract: A small printer is provided which comprises a housing, a rolled printing paper mounted in the housing, a platen along which a paper runs, a motor, and a carriage having a printing head for mosaic printing on a paper on the platen. The carriage travels along the whole width of the paper and is driven by the motor, and a paper transfer mechanism transfers the paper by one line for every traverse of the carriage. The paper transfer mechanism comprises an idler positioned beneath the path of the paper, the idler being swingable in the moving direction of the paper, and the idler having a first projection parallel to the path of the carriage at the left half of the idler and a second projection inclined to the path of the carriage at the right half thereof. The projections are engaged with the corresponding slots provided at the bottom of the carriage to ensure the swing movement of the idler is synchronized with the movement of the carriage.

Abstract: A sheet material feeding apparatus of a roll type includes a main feed roll and an auxiliary roll adapted to cooperate with the main roll to feed a sheet material in a clamped state on a step-by-step basis. The main roll is mounted on an output shaft of an indexing drive unit to be intermittently rotated in one direction. The auxiliary roll is supported swingably toward and away from the main roll. An adjusting mechanism is provided for adjusting the clamping force applied to the sheet material by the auxiliary roll. A release mechanism is provided for releasing the auxiliary roll from the cooperation with the main roll.

Abstract: Apparatus is provided for engaging and moving leading edges of coils of sheet steel from one position to another along a steel processing line. For example, in a slitting line, the leading edge of a new coil of steel is moved by the apparatus from a slitter to a recoiler mandrel or drum. The engaging apparatus includes two elongate clamping members extending transversely of the steel sheet and having lengths exceeding the width of the slit sheet. Jack-screws are used to move the upper member toward and away from the lower one to engage the leading edge of the sheet and to release it. The clamping members and moving means are mounted on a carriage carried by overhead supports or by supports at one side of the line which support the carriage for movement from one position on the processing line to another. A roller extends the length of the lower clamping member and is positioned at the discharge or downstream side thereof to support the steel sheet as it moves beyond the clamping members.

Abstract: In a carriage drawing machine for uniformly drawing and longitudinally severing elongated material to be drawn, having two drawing carriages on a carriage bed, a drive shaft disposed parallel to the carriage bed and having two cams revolvable therewith for effecting reciprocating motion of the carriages in mutually opposite directions, a drawing jaw vise on each carriage for alternatingly gripping the material to be drawn, each of the vises having two drawing jaws held in a housing by a wedge structure with bearing rollers interposed which serves to self-lock during the drawing, and an after-connected severing device which is advanceable each time the drawn material is severed, the improvement wherein the two drawing jaws of each vise are disposed on top of one another and, within clamping travel distance, the lower one of the drawing jaws is movable parallel to the direction of drawing and the upper one of the drawing jaws is movable parallel to the wedge structure of the housing.

Abstract: The disclosed method consists in that the electrode wire has the portion thereof intermediate the supply coil and the welding arc alternatingly retained at one of two points, with an effort applied to the wire in the respective retaining point, causing transverse oscillation of the wire. The effort is applied at an angle substantially short of 90.degree. relative to the direction of feeding the wire toward the welding zone. The apparatus of performing the disclosed method comprises a plurality of gripping means for retaining the wire, each including a plate apertured for passage of the wire and a spring accommodated between a housing and the plate, the plate of one of the gripping means being mounted for reciprocation in the direction of feeding the wire toward the welding zone and having its side surface adapted to cooperate with an actuator mounted on the output shaft of the drive effecting the feed and transverse oscillations of the wire advanced toward the welding zone.

Abstract: The withdrawal apparatus comprises a housing through which a cast ingot passes, said housing being mounted for reciprocating movement and for travelling in the direction along which the cast ingot is withdrawn and then back to its initial position. Mounted in the housing are shoes and wedge blocks with rollers arranged therebetween, said rollers being locked into position between the shoes and wedge as the housing travels in the direction of withdrawal of said cast section. The shoes are associated with a rod fitted with a compression spring bearing up against the housing and producing a force acting in the direction opposite to the movement of the housing during the withdrawal operation. When the withdrawal cycle is over, the shoes being spring-biased, release or unlock the rollers.

Abstract: The apparatus has a transporting arrangement which is movable in a predetermined direction and workpiece gripping devices which grip a workpiece to be withdrawn in this direction from a machine tool. The gripping devices are movable with the transporting arrangement in the aforementioned direction and are also movable relative to the transporting arrangement in and opposite to this direction. A control device controls the relative movement between the gripping device and the transporting device.