Abstract: A tubular gripping apparatus has a jaw assembly that has a tubular-contacting surface at an end thereof, a drive yoke that has a tubular-contacting surface at an end thereof, an actuator connected to the drive yoke, and a locking mechanism interconnected to the drive yoke. The drive yoke is connected to the jaw assembly. The actuator moves the jaw assembly and the drive yoke such that the tubular-contacting surfaces thereof move radially inwardly for a substantially identical distance. The locking mechanism directs a load away from the actuator while the jaw assembly and the drive yoke grip the tubular. The locking mechanism has a cylinder yoke positioned around the piston-and-cylinder assembly, and a wedge assembly positioned adjacent the bearing bar and the cylinder yoke. The wedge assembly is suitable for contacting the cylinder yoke so as to prevent a movement of the cylinder yoke.

Abstract: A pipe gripping apparatus has a first jaw with a pipe-contacting surface at one end thereof, a second jaw having a pipe-contacting surface at one end thereof, a tongue having a pipe-contacting surface at one end thereof, and an actuator connected to the first and second jaws and to the tongue. The actuator serves to move the first and second jaws and the tongue such that the pipe-contacting surfaces thereof move radially inwardly simultaneously for a substantially identical distance. A first link pivotally connects the tongue with the first jaw. A second link pivotally connects the tongue with the second jaw. The first and second links extend angularly outwardly from the tongue. The first and second pivot points of each jaw have a distance unequal to a distance between the first pivot point and pipe-contacting surface of each jaw. The pipe-contacting surfaces can be elastomeric pads, toothed dies, or rollers.

Abstract: A clamp having a lock is provided. In another aspect, a fail safe lock maintains the position of a clamping member when fluid pressure or other actuating power is undesirably reduced. Another aspect employs teeth on a locking structure which engage matching teeth on a shaft where engagement of the teeth prevent unclamping of a workpiece. In still another aspect, a manual override member disengages a lock in order to unclamp a workpiece.

Abstract: A device for holding a workpiece, the device comprising a base, a first jaw member, a movable jaw member, and features which allow the movable jaw member to be moved in large increments relative to the first jaw member in addition to features which allow the movable jaw member to be moved in smaller increments. The device can include a drive member operably engaged with the base and the movable jaw member such that the operation of the drive member can move the movable jaw member in small increments. The movable jaw member can include a connection member, or claw, which can operatively engage the movable jaw member with the drive member. The connection member can be moved between first and second positions to disengage the movable jaw member from the drive member such that the movable jaw member can be slid relative to the first jaw member in large increments.

Abstract: A clamping device has a hollow shaft (1) rotatably mounted in a housing with a clamping element fastenable to the shaft and includes a lever arm (2) as part of a toggle lever mechanism. An intermediate element is articulated on both sides by the lever arm (2) and an axially movable final control element (4) of a drive element, respectively. An inner shaft (6), connected to a hand lever (5), is arranged in the hollow shaft (1). The inner shaft has a pin element (7) that extends through a link guide (8) on the hollow shaft (1). The inner shaft (6) can be operationally linked to the toggle lever mechanism. A spring element (9) tensions the inner shaft (6) against the hollow shaft (1) in the main axial direction. The spring element (9) is arranged in the interior of the hollow shaft (1).

Abstract: A positioning device includes a base, a platform, a support fixed on the base, a rotatable member, and a positioning member. The rotatable member is fixed to the platform and is rotatably connected to the support. The positioning member is fixed to the platform. The positioning member is operable to cooperate with the support to lock the platform in a desired position.

Abstract: A device for removing particles from a connecting rod includes a clamp for fixing a rod of a connecting rod disposed on a base plate, a vibration cylinder disposed to the clamp and a driving unit connected to the vibration cylinder for reciprocating a cap of the connecting rod according to driving of the vibration cylinder.

Abstract: This invention is an assembly and method for releasably connecting a gripper finger to a robotic arm with only manual manipulation. The assembly includes a finger body having a quick-change bar connected to a locking lever. The locking lever can be rotated by hand to engage and disengage the assembly to connect a finger to a gripper connected to a robot. The locking lever provides a sleeve and pin which interact to lock the assembly. The sleeve and pin can have recessed surfaces formed to interact with roll pins or screws to restrict behavior of the quick-change device during engagement.

Abstract: A bar clamp includes a handgrip; a fixed jaw carrier; a slide bar comprising two opposite wing members; a moveable jaw carrier and comprising a transverse channel, a trough extending from center of the channel to one end of the channel, a bottom recess, and two opposite stop members in the recess wherein the slide bar passes the channel with the wing members being stopped by the trough in a locked position; and a U-shaped spring-actuated lock assembly in the recess and comprising inverted U-shaped opposite first and second lock members being engaged with the wing members in the locked position, and first and second projections between the lock members and a bottom of the lock assembly and being engaged with the stop members in the locked position. Pushing the locking assembly until being stopped will disengage the lock members from the wing members.

Abstract: The invention relates to a steady rest for clamping and/or for holding a workpiece (W) on a machine tool, comprising three holding members (3, 4, 5) mounted in a housing (2) and displaceable in a common plane, two of which are designed as two-armed levers pivotably supported in the housing (2), and the central holding member (5) is guided in a straight line. The two outer holding members (3, 4) are kinematically connected respectively to the central holding member (5) via an angle lever (10, 11) so that with an opening movement of the central holding member (5) the outer holding members (3, 4) are pivoted apart from one another. The angle levers (10, 11) are linked rotatably onto the central holding member (5), respectively the one leg of the angle levers (10, 11) being connected to the associated outer holding member (3, 4), and the other leg being connected to the housing (2) by means of gate/pin arrangements.

Abstract: A positioning assembly using a pair of rollers elastically connected to a holding base for clamping two cutters received in the holding base. The cutters in the holding base can be adjusted to make different blades contact and align precisely.

Abstract: A clamp apparatus includes a clamp unit capable of retaining a workpiece, a cylinder driven under the supply of a pressure fluid, and a drive force transmission mechanism, which is capable of transmitting a drive force from the cylinder to the clamp unit. The drive force transmission mechanism includes a guide body disposed displaceably inside of a body, two pairs of rollers retained rotatably on both side surfaces of the guide body, and a spindle inserted through a second link groove of the guide body that rotatably supports a clamp arm. The clamp arm is rotatably operated and is capable of clamping the workpiece under a displacement action of the guide body.

Abstract: A clamp device includes an annular grip member capable of being inserted into an hole in a workpiece and of gripping the inner circumferential surface of the hole, a clamp rod having a tapered shaft portion fitted inside the grip member and engaged therewith, a hydraulic cylinder capable of axially advancing and retracting the grip member and the clamp rod, and a clamp main body member. The clamp device is provided with seating surfaces formed upon the clamp main body member, on which the workpiece is seated, and a poor clamping detection mechanism that detects poor clamping, in the state in which the grip member is driven in its clamping direction by the hydraulic cylinder via the clamp rod, and the workpiece is in its state of being seated upon the seating surfaces.

Abstract: A clamp device includes a grip member, a clamp rod, and a hydraulic cylinder, and, by the grip member being inserted into an hole in a workpiece, it can grip the inner circumferential surface of the hole. The clamp device is provided with: a main body member; seating surfaces formed upon the main body member, upon which the workpiece is seated; a seating sensor that includes a pressurized air ejection hole opening to the seating surfaces; and a workpiece mounting surface that can receive and stop a workpiece at a position that is more advanced than the seating surfaces when the grip member is at an advanced position (its unclamped state), and that shifts together with the grip member during clamp operation when the grip member and the clamp rod shift towards retraction.

Abstract: A clamp device including a detection mechanism provided to detect whether the clamp device is in a clamped state or an unclamped state. The detection mechanism includes a tilt plate tiltably placed inside a switch holder installed on a body and a sliding rod displaced together with a piston rod and displaced in the direction normal to the tilt plate. When the sliding rod presses and tilts the tilt plate while a piston is displaced, a second detection switch detects that the clamp device is in the unclamped state.

Abstract: A clamp includes a rear receptacle; a front fixed jaw carrier having an eccentric guide and a guide slot; an intermediate moveable jaw carrier; a handle having one end urged against the guide member and comprising a slide sleeve retained in one end of the guide slot in a standby position; a slide bar having one end fastened in the slide sleeve and the other end being spring-actuated in the receptacle, a portion of the slide bar passing the guide member and the moveable jaw carrier; and a locking assembly comprising a seat including a funnel shaped channel; a spring-actuated slide member threadedly fastened in the seat and including a funnel shaped member having two steel balls and a projection; and a release lever having one retained end and including a tunnel and a biasing member put on the projection and biased between the seat and the release lever.

Abstract: A positioning and clamping apparatus, capable of positioning and clamping a panel material and removing the panel material from a locating pin under a state of releasing the clamping, is provided. A base having a contact surface contacting with the panel material is provided with the locating pin that penetrates through a through-hole of the panel material. A clamp arm moving between an escaping position and a clamping position is provided in a slit, and the clamp arm is moved between these positions by a reciprocating cam. When the clamp arm reaches the clamping position, the panel material is clamped by a clamp portion which is a tip of the clamp arm. A pusher driven by a pushing piston is provided inside the base, and the panel material is removed from the locating pin by the pusher.

Abstract: A lock mechanism includes a casing that is fixed to a side surface of a body, a handle disposed rotatably on the outside of the casing, and a transmission section, which is capable of transmitting a drive force applied by the handle. An end of a guide rod making up the transmission section is connected in a body surrounding groove of a piston rod disposed inside the body. In addition, by rotating the handle, the guide rod of the transmission section is displaced vertically (upward and downward), such that an arm is rotationally displaced through a toggle link mechanism by displacement of the piston rod along the axial direction.

Abstract: A positioning and clamping apparatus clamps a panel material by moving a clamp arm to a clamping position while the panel material positioned by a locating pin is supported by a workpiece supporting face of a workpiece support. An extruding member having a plurality of extruding rods protruding from the workpiece supporting face is slidably provided in the workpiece support, and the panel material is detached from the locating pin since the extruding member causes a tip face of the extruding rods to be moved to a carry-out position by the hollow piston. The extruding member is caused to protrude by a spring force up to a standby position located between the carrying-out position and the workpiece supporting position, thereby being pushed down up to the workpiece supporting position by the panel material.

Abstract: A manual locking clamp is disclosed. The manual locking clamp includes a base and a handle pivotally connected to the base. The manual locking clamp also includes a locking lever connected to the handle. The locking lever including a first locking orifice and a second locking orifice along with a fulcrum orifice and a pivot orifice. The locking lever is capable of being used on any known manual clamp, including pull action clamps, hold down action clamps, straight line action clamps, and any other known manual action clamps.

Abstract: A tool for gripping, clamping or holding an object, wherein the tool has a handle portion, a linkage portion and a working portion, and wherein the working portion includes two workpiece contacting surfaces, at least one of the surfaces shaped to generally conform to at least a portion of the outer surface of a workpiece to be clamped, gripped or held. In some embodiments, at least one of the workpiece contacting surfaces is adapted to provide a treatment to a workpiece being clamped, gripped or held.

Abstract: A gripping jig for assembling whereby a force is applied to a molded body in a direction perpendicular to an assembling direction. When an assembling load is applied to the molded body, the force is adjustable with an adjustment screw such that the molded body is guided to move in the assembling direction. Since the force is applied from a direction different from the assembling direction, the molded body can move in the assembling direction, and since the force is adjustable, application of the assembling load to the molded body and the movement of the molded body can be adjusted. Since a plurality of the molded bodies are fixed and assembled respectively, when there are variations in size of the molded bodies, an excessive assembling load is is avoided with each molded body guided to move, so that a more uniform assembling load is applied to the plurality of molded bodies.

Abstract: A clamping device includes a securing seat, a driving member movably mounted on the securing seat, a first fixture, a second fixture, a first securing pole, a second securing pole, a first joining member and a second joining member. The first fixture includes a first clamping member and a first connecting member. The first connecting member comprises a first moving portion. The second fixture includes a second clamping member and a second connecting member. The second connecting member includes a second moving portion. The first and second securing poles are fixed on the securing seat. The first and second joining members are respectively matched with the first and second securing poles. Two ends of the first joining member are respectively connected to the driving member and the first moving portion. Two ends of the second joining member are respectively connected to the driving member and the second moving portion.

Abstract: The present invention provides for electronic module insertion and removal such as when high insertion/extraction forces are exerted in small spaces. To secure or unsecure the module a frame is mounted to a cabinet housing the high insertion module. The frame includes a lever assembly that fixedly rotates about an axle attached at each end to a hub. The hub is allowed to rotate to one or more fixed angular positions that move the lever proximity relative to the front surface of the high insertion module. Applying a pressure to the lever rotates the lever until the module is either secured or unsecured from its cabinet.

Abstract: Elevating a handle of the lifter tool creates a clamping force between a bottom support plate and a top clamping plate operatively attached to the handle, allowing a worker to transfer, simultaneously, a number of stacked pavers, or similar block-like objects, quickly, efficiently and safely. A push-off plate facilitates unloading of the pavers from the tool.

Abstract: A clamping device has a removable handle to move a clamp between an opened and clamped position. A receiving member is on the clamp to receive the handle. The handle has a latching member to couple with the receiving member. An actuating member is coupled with the handle to move the clamp from an opened to clamped position. A release mechanism is coupled with the clamp or handle to move the clamp from a clamped to an opened position.

Abstract: A device used to secure a section of cable while one or more fiber is broken out from the cable. The device includes spaced apart clamp assemblies that hold a cable during the splicing process to protect the fairly delicate fibers within the sheathing. The disclosure also relates to a method of splicing using a clamp assembly.

Abstract: A positioning mechanism for a man-made ear includes a shaft, a driving device, a rotational arm, a first sliding member, and a second sliding member. The driving device is slidably secured to the shaft by a first fastener. The driving device also has a rotational wheel. The rotational arm has an end secured to the rotational wheel. The first sliding member has a first elongated sliding groove adjustably secured to the rotational arm by a second fastener inserted through the first elongated sliding groove. The second sliding member has one or more second elongated sliding grooves perpendicular to the first elongated sliding groove. The second sliding member is adjustably secured to the first sliding member by one or more third fasteners inserted through the one or more second elongated sliding grooves. The second sliding member is configured for securing a man-made ear.

Abstract: A T-slot clamp including a base and a bar member pivotally connected to the base. A link pivotally connected to the bar member. A handle pivotally connected to the link, wherein the handle is rotatable about an axis of the handle.

Abstract: A clamp apparatus is equipped with a cylinder mechanism having a piston. A driving force of the cylinder mechanism is transmitted to a clamp arm, which is retained on a housing through a block body and a link pin that make up a driving force transmitting mechanism, the clamp arm being rotated through a predetermined angle. The block body includes a rotatably supported roller. The block body is guided along an axial direction by displacement of the roller, while the roller is rotated along a guide member of the housing.

Abstract: The self-adjusting locking pliers include a fixed assembly having a fixed jaw supported at one end. A moveable jaw is pivotably supported on the fixed assembly at a slidable pivot connection. The slidable pivot connection includes a pawl provided with teeth. A rack of teeth includes first and second sets of teeth offset from one another by ½ of the pitch that may each be engaged by the teeth formed on pawl. A lever is attached to the fixed assembly and a linkage transmits a force applied to the lever to the jaws and locks the jaws in the clamping position. The linkage allows the angle between the links to be preset to thereby control the clamping force applied to the work piece. The movable jaw is selectively attached to the linkage in one of two positions such that the jaw span may be adjusted without affecting the geometry of the linkage.

Abstract: A self adjusting toggle clamp includes a mounting body, mounting apparatus carried by the mounting body and a clamping link movably attached to the mounting body. An actuating lever having a link element is pivotally coupled to the clamping link and movably coupled to the mounting body by a self adjusting toggle mechanism. The self adjusting toggle mechanism includes a guide carried by the mounting body, a locking element carried by the guide for reciprocal and canting movement, an element pivotally coupled to the link element, and a cam element pivotally coupled to the element and pivotally coupled to the locking element. The cam element is movable between a first condition permitting the locking element to reciprocate along the guide and a second condition bearing against the guide and canting the locking element into frictional engagement with the guide.

Abstract: A clamp has first and second movable jaws and a catch mechanism having a movable detent arranged to engage with a locking element in a number of different positions dependent upon the degree of separation of the jaws. The tightening force to tighten the jaws is transmitted through the catch mechanism and an actuator may be used to both engage/release the catch mechanism and move the jaws to the open position.

Abstract: A lock mechanism includes a casing that is fixed to a side surface of a body, a handle disposed rotatably on the outside of the casing, and a transmission section, which is capable of transmitting a drive force applied by the handle. An end of a guide rod making up the transmission section is connected in a body surrounding groove of a piston rod disposed inside the body. In addition, by rotating the handle, the guide rod of the transmission section is displaced vertically (upward and downward), such that an arm is rotationally displaced through a toggle link mechanism by displacement of the piston rod along the axial direction.

Abstract: A vice (11) has two clamping jaws (15) for clamping workpieces. Between the clamping jaws (15), there is a tensioning device (18) for multi-part chuck heads that operates in a downward direction. Both the clamping jaws (15) and the tensioning device (18) are simultaneously activated by means of a single activation device (21, 30, 31, 37), wherein the activation device has two levers (21). On the one hand, these levers are pressed apart at one end, while on the other hand, they have a projection (24) that engages with a coupling pipe (25) for synchronized movement. The coupling pipe (25) is used to activate the tensioning device (18).

Abstract: A horizontal hold down clamp that includes a base member. The hold down clamp further includes a bar member pivotally connected at a fixed point to the base member. A handle is pivotally connected to the base member at a fixed point. The clamp also includes a link connected pivotally to the handle member and the bar member. The clamp may also include a spindle arranged on the bar members and a locking lever arranged on the side of the handle member.

Abstract: There is provided a portable clamp suitable for clamping workpieces together, the portable clamp including: a mounting member; a pivoting clamping member pivotally connected to the mounting member at a pivot; a reaction member mounted to the mounting member at a region distal the pivot; and a locking means to lock the pivoting clamping member to inhibit rotation of the pivoting clamping member relative to the mounting member so that, when in use, one or more workpieces are clamped between the pivoting clamping member and the reaction member. The locking means is an overcentre mechanism.

Abstract: The present invention relates to a pressing device for a clamping system. The pressing device is coupled to a clamping element of the clamping system. For this purpose, the pressing device has a pressing arm, which is operationally linked at one end to a clamping element of the clamping system and has an oblong hole on the diametrically opposite free end, in which a fastening rod for a clamping head is situated so it is longitudinally displaceable and rotatable. The pressing device additionally has a twist lock, which secures the angle between clamping head and pressing arm, having a twist lock plate and a lock pin.

Abstract: A machine tool for machining a molded part, such as an elastomeric coated valve component includes a rotatable cutting tool having a shape corresponding to the shape of a cavity of the valve component. A method of machining the molded part is also disclosed.

Abstract: A manual locking clamp is disclosed. The manual locking clamp includes a base and a handle pivotally connected to the base. The manual locking clamp also includes a locking lever connected to the handle. The locking lever including a first locking orifice and a second locking orifice along with a fulcrum orifice and a pivot orifice. The locking lever is capable of being used on any known manual clamp, including pull action clamps, hold down action clamps, straight line action clamps, and any other known manual action clamps.

Abstract: The present invention relates to a pressing device for a clamping system. The pressing device is coupled to a clamping element of the clamping system. For this purpose, the pressing device has a pressing arm, which is operationally linked at one end to a clamping element of the clamping system and has an oblong hole on the diametrically opposite free end, in which a fastening rod for a clamping head is situated so it is longitudinally displaceable and rotatable. The pressing device additionally has a twist lock, which secures the angle between clamping head and pressing arm, having a twist lock plate and a lock pin.

Abstract: A manually operated tool engages and draws towards one another opposed spaced flanges of a repair clamp disposed about a leaking pipe for moving the clamp into position and securely maintaining the clamp on the pipe over the leak allowing plural nut and bolt combinations on the clamp to be tightened in sealing off the leak. A movable handle has attached thereto first and second pivoting arms adapted for respectively engaging a slot within the clamp's first edge flange and the outer edge of the clamp's second opposed edge flange when the handle is in a first non-use position. Moving the handle to a second use position urges the clamp's edge flanges toward one another drawing the clamp securely about the pipe, allowing the clamp's nut and bolt combinations to be tightened. The tool is adjustable for use with a wide range of clamp sizes and pipe diameters.

Abstract: The clamping mechanism is used in an automated tooling machine to secure and hold an elongated workpiece for processing. The machine includes a frame, automated router assembly and a conveyer table. The workpiece is supported on the conveyer table and secured by the clamping mechanism between a fixed clamp rail and a moving clamp rail. The moving clamp rail is supported above the conveyer table by a plurality of arms and articulated by two linkage members pivotally connecting the arms to the frame beneath the conveyer table. The linkage members of the clamping mechanism allows the moving clamp rail to traverse laterally over the conveyer table at substantially the same height above the conveyer table as the height of the fixed clamping rail.

Abstract: An improved clamp structure includes a workbench, and the workbench has a quick release unit that can be turned linearly and a baffle board. A front clamping board and a rear clamping board are disposed between the quick release unit and the baffle board. An axial rod connects the front clamping board and quick release unit, and two guiding rods penetrate through the front and rear clamping boards to assist the sliding of the front and rear clamping boards. A link rod module is installed separately on the left and right walls of the front and rear clamping boards for controlling the quick release unit, such that when the axial rod drives the front clamping board to move, the front clamping board can be linked to the rear clamping board by the two link rod modules, so as to define corresponding quick opening and closing movements between the front and rear clamping boards.

Abstract: A tile shaping bench including an elongate guide extrusion having surfaces defining a channel adapted for receiving an edge of a tile, a first surface of the channel defined by a resilient surface, an elongate top extrusion positioned adjacent to the guide extension and including an elongate tile engaging surface, and an elongate clamp extrusion disposed below the top extrusion and including at least one operable clamp mechanism, the clamp mechanism operable to urge a tile against the elongate tile engaging surface of the top extrusion.

Abstract: A tool for gripping, clamping or holding an object, wherein the tool has a handle portion, a linkage portion and a working portion, and wherein the working portion includes two workpiece contacting surfaces, at least one of the surfaces shaped to generally conform to at least a portion of the outer surface of a workpiece to be clamped, gripped or held. In some embodiments, at least one of the workpiece contacting surfaces is adapted to provide a treatment to a workpiece being clamped, gripped or held.

Abstract: A power clamp for use in a manufacturing environment. The power clamp including a base and an extruded body secured to the base. The power clamp also includes a cylinder having a rod secured to the body. A shaft is rotatably supported by the body of the clamp. The clamp also includes a bar connected to the shaft and a rotator pin engaged with the shaft. The clamp also includes a link member connected to the rotator pin on one end and to the rod on the opposite end.

Abstract: A manually operated tool engages and draws towards one another opposed spaced flanges of a repair clamp disposed about a leaking pipe for moving the clamp into position and securely maintaining the clamp on the pipe over the leak allowing plural nut and bolt combinations on the clamp to be tightened in sealing off the leak. A movable handle has attached thereto first and second pivoting arms adapted for respectively engaging a slot within the clamp's first edge flange and the outer edge of the clamp's second opposed edge flange when the handle is in a first non-use position. Moving the handle to a second use position urges the clamp's edge flanges toward one another drawing the clamp securely about the pipe, allowing the clamp's nut and bolt combinations to be tightened. The tool is adjustable for use with a wide range of clamp sizes and pipe diameters.

Abstract: A clamp assembly having a body, a power supply, a vane, jaw arm and stop is provided. The power supply is coupled to the body, and the vane located in the body. The power supply pivots the vane about an axis between first and second positions. The jaw arm is coupled to and movable with the vane. The stop limits the movement of the jaw arm during a loss of power to the vane.

Abstract: A clamping device includes a clamp arm attached to a mounting member to be able to reciprocate with respect to the mounting member, a pressure applying mechanism for applying pressure to the clamp arm, and a clamp bolt for clamping a member to be clamped between a support member and the clamp bolt. A threaded cylinder having an external thread portion on the outside and an internal thread portion on the inside is attached to the clamp arm such that the height of the threaded cylinder is adjustable by utilizing the external thread portion. The clamp bolt is screwed to the internal thread portion of the threaded cylinder. A manipulation portion is provided for rotating the clamp bolt in a state where the member to be clamped is clamped between the clamp bolt and the support member.