Abstract: Provided is a bolting tool that includes a mounting portion and a torque transfer portion. A bolt assembly is mounted to the mounting portion. The bolt assembly includes a bolt and a nut threaded onto a position along an external threaded portion of the bolt. The torque transfer portion transfers tightening torque to the bolt and the nut of the bolt assembly mounted to the mounting portion. The mounting portion includes a bolt engagement portion, which is engageable with a head of the bolt, a nut engagement portion, which is engageable with the nut, and a coupling portion, which couples the nut engagement portion to the bolt engagement portion coaxially and with a predetermined spacing therebetween.

Abstract: A machining center including a machine main body, an upper section of which supports a head moving device and a head raising and lowering device, configured such that tool magazine 120 is stored inside the machine main body, and with a magazine moving device configured to move tool magazine 120 such that, during tool exchange, tool magazine 120 is advanced to protrude from a side of the machine main body, so that, from the multiple tool holders, the tool holder used for exchange is positioned inside the movement range of the main shaft by the head moving device, and wherein the entire tool magazine 120 is able to be moved beyond the movement range of the tool magazine by the magazine moving device to a position outside of the machine main body and detached from the machine main body.

Abstract: A part-holding device includes a holding portion configured to hold an object to be held and a main body configured to detachably connected to the holding portion. The main body has a first surface, a second surface, and a third surface oriented in respective differing directions, and the holding portion has a first abutting surface, a second abutting surface and a third abutting surface capable of abutting against the first surface, the second surface, and the third surface, respectively. The part-holding device further includes pressing means configured to press the holding portion to cause the first abutting surface to abut against the first surface and to cause the second abutting surface to abut against the second surface, and fixing means configured to cause the third abutting surface to abut against the third surface and to fix the holding portion to the main body.

Abstract: One embodiment includes display device configured to wirelessly receive a first position status from a positioning device; display a first work-tool working-axis leveling status based on the first position status; receive cut parameters; receive a cut-start indication; determine a first work-tool position status difference based on cut parameters and a second position status; present a position status correction indicator; determine that a third position status is within cut parameters; send a cut-start signal to the positioning device operable to actuate the first work-tool; determine a work-tool cut completion; and send a cut-end signal to the positioning device operable to de-actuate the first work-tool.

Abstract: Billets 3 are fed to billet carrying equipment 2 through billet loading equipment 28. With actuation of a first truing-up equipment the grinding apparatus of billets at both end faces 1, the billet placed on a tray 23 is trued-up to the side of a first grinding equipment for working on planar portions 4A. With actuation of the first grinding equipment for working on planar portions 4A, working on the planar portion in one end face of the billet 3 is performed by a grinding belt 46. The billet is carried through billet carrying equipment 2 to the position of working of a first grinding equipment for chamfering 5A. With actuation of a second truing-up equipment, a truing-up guide is pushed to cause the billet on the tray 23 is trued-up to the side of first grinding equipment for chamfering 5A.

Abstract: An inner cam has a substantially C-shaped cross section, an arcuately shaped inner circumferential surface of which is ground with high precision by such a honing method. The inner circumferential surface has a discontinuous portion. The honing method includes a fixing step and a grinding step. A plurality of inner cams, in which openings are provided between both ends thereof in the circumferential direction, are stacked, and the arcuately shaped inner circumferential surfaces thereof are subjected to grinding. In the fixing step, the relative positions of the plurality of inner cams are fixed such that a resultant force against the inner cams arranged on both end sides in the stacking direction, and a resultant force against the inner cams arranged on a central side in the stacking direction are opposed to each other mutually at a center location of the stacking direction.

Abstract: A method of, and apparatus for, urging blades of a gas turbine engine radially outwardly is disclosed. The method may be used to grind blade tips of blades of a rotor stage of a gas turbine engine. The method comprises locating a fluid-tight bag is in a radial gap formed between a radially inner surface of a respective blade root and a slot in a disc which the blade root cooperates. The method comprises inflating the fluid-tight bag and rotating the rotor stage relative to a grinding surface so as to grind any blade tips that contact the grinding surface during rotation. This results in more accurate positioning of the blades during the grinding process and/or during operation.

Abstract: A polishing apparatus capable of enabling a user to know a frequency and a trend of a retry operation of retrying a substrate release operation is disclosed. The polishing apparatus includes: a substrate holder configured to press a substrate against a polishing pad; a fluid ejection system configured to eject a fluid into a gap between the substrate and a flexible membrane for releasing the substrate from a substrate holding surface; an operation controller configured to instruct the fluid ejection system to perform a retry operation of ejecting the fluid again in a case where the release of the wafer has failed; and a monitoring device configured to store a historical information of the retry operation.

Abstract: According to one embodiment, a substrate polishing method includes: conveying a substrate to a position above a polishing pad by sucking the substrate by a first region of an elastic film; polishing the substrate while bringing the substrate into contact with the polishing pad; and lifting off the substrate by sucking the substrate by a second region of the elastic film, the second region being larger than the first region.

Abstract: A method for cooling a workpiece that is typically metallic in nature that is undergoing a grinding operation by spraying liquid carbon dioxide at the workpiece. The liquid carbon dioxide is directed at the workpiece and form a carbon dioxide snow which will provide cooling and improve the efficiency of the grinding operation. Alternatively, the liquid carbon dioxide can be sprayed onto the back surface of the abrasive belt which will also provide the requisite cooling but help the belt from delaminating.

Abstract: Provided is an abrasive film not likely to cause an end face defect of an optical fiber connector due to variation in load conditions during polishing, while providing a great grinding force. The abrasive film comprises a substrate film and an abrasive layer overlaid thereon, the abrasive layer comprising abrasive particles and a binder therefor and a wear quantity of the abrasive layer being from 10 mg to 25 mg. A content of the abrasive particles in the abrasive layer is preferably no less than 85% by mass. The abrasive particles preferably comprise first abrasive particles (primary particle diameter: of no less than 10 nm and less than 50 nm), and second abrasive particles (primary particle diameter: no less than 50 nm and less than 250 nm). An average thickness of the abrasive layer is preferably from 4 ?m to 15 ?m. The abrasive particles are preferably silica particles.

Abstract: An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, ?, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, ?, with respect the inner circumferential wall of the outer segment portion.

Abstract: Polycrystalline diamond bodies having an annular region of diamond grains and a core region of diamond grains and methods of making the same are disclosed. In one embodiment, a polycrystalline diamond body includes an annular region of inter-bonded diamond grains having a first characteristic property and a core region of inter-bonded diamond grains bonded to the annular region and having a second characteristic property that differs from the first characteristic property. The annular region decreases in thickness from a perimeter surface of the polycrystalline diamond body towards a centerline axis.

Abstract: A compact, a superabrasive compact and a method of making the compact and superabrasive compact are disclosed. A compact may include a plurality of carbide particles, a binder, and a species. The binder may be dispersed among the plurality of tungsten carbide particles. The species may be dispersed in the compact, wherein the binder has a melting point from about 600° C. to about 1350° C. at ambient pressure. A superabrasive compact may include a diamond table and a substrate. The diamond table may be attached to the substrate. The substrate may have a binder. The melting point of the binder is from about 600° C. to about 1350° C. at high pressure from about 30 kbar to about 100 kbar.

Abstract: The present invention provides a mandrel tool and method for more efficiently and consistently forming various shapes of material. In one embodiment of the invention, a pair of pliers having mandrel jaws that are shaped with a uniform cross sectional area throughout a length of the mandrel jaw is used to replace the traditional tapered mandrel. Because the mandrel jaws have a uniform cross sectional area, the wire, for example, can be wrapped multiple times around the mandrel jaw when it is desired to produce multiples of the same shape. For added versatility, the pliers can have opposing mandrel jaws, with different size cross sectional area.

Abstract: A dual drive hex socket is disclosed, that includes a body having a first drive end and a driven end. The first drive end has a socket configured and arranged to receive an end of a socket drive. The driven end is configured and arranged to receive a head of a bolt. A drive surface is formed on an outer surface of the body, where the drive surface provides an engagement point for application of torsional force to the body. In use, the user may use a socket drive and/or wrench in combination to provide torsional force at two different distinct points to the socket and thereby the head of the bolt. Used in combination, slippage may be prevented of the socket from the head of the bolt in addition to applying superior force to bolt.

Abstract: A ratchet wrench includes a center gear connected to the top of the ratchet wheel and a disk is mounted to the center gear. Three planet gears is connected to the disk and engaged with the center gear. A rotary member is rotatably mounted to the disk and has inner teeth engaged with the planet gears. Two pawls are respectively engaged with the disk and the ratchet wheel. A shank extends through the rotary member, the disk, the center gear and is connected to the ratchet wheel. When rotating the rotary member, the planet gears rotate the center at high speed, and the center gear rotates the ratchet wheel to quickly rotate the object to be tightened or loosened.

Abstract: Provided are: an impact fastening tool which prevents a torque detecting means from missing a signal and extends service life by adopting a fixed connector that prevents the trouble of being instantaneously separated (bounced) from a rotating electrode by intermittent impacts and has a shape allowing the progression of friction to be delayed structurally; and a torque tester. Both end portions of the fixed connector are fixed, and at least two protrusion portions are formed between the both end portions. The rotating electrode is disposed between one protrusion portion and the other protrusion portion such that the rotating electrode contacts the fixed connector at two or more points or in a line form. A signal required for the torque detecting means is transmitted through the contact between the rotating electrode and the fixed connector.

Abstract: A universal tool which can be a screwdriver, wrench, pliers, or any other tool. The tool can operate on an object (e.g., a screw, bolt, etc.) of any shape because of a set of pins that can mold to match a shape of the object. For example, a same universal screwdriver has pegs which mold themselves to match a shape of a slotted screw head or mold themselves to match a shape of a philips screw head. A user of the universal screwdriver can then turn such screw by turning the universal screwdriver in a standard fashion. When the universal screwdriver is removed from the object, then the pegs automatically revert themselves to a default position so a different shaped screw head can then be operated on.

Abstract: A torque socket having a torque adjusting function comprises: a shaft rod having two ends axially extended with an insertion tenon and a core shaft having a shaft hole and having the outer circumference thereof radially formed with a first friction surface; an adjustment member disposed in the shaft hole and having the outer circumference thereof formed with a top connection head and a connecting segment; and a shaft cylinder having two axial ends formed with a shaft slot and a sleeve slot, wherein the interior of the shaft slot is radially formed with a second friction surface being in contact with the first friction surface; when rotating the adjustment member, the outer dimension of the core shaft and the contact area of the first friction surface and the second friction surface can be altered for adjusting the torque.

Abstract: A hydrodynamic compression or cutting tool comprises a housing, an electric motor arranged in the housing and having a motor rotational axis, a gripping portion formed by the housing and extending around the motor and along the motor rotational axis, a hydraulic pump arranged inside the housing and which can be driven by the motor so as to move a actuating piston along a actuating axis, a transmission mechanism arranged inside the housing between the motor and the hydraulic pump, two jaws connected to the housing and to the actuating piston, and which can be moved between an open position and a closed position for carrying out the compression or cut, wherein the actuating axis and the motor rotational axis are reciprocally parallel and offset.

Abstract: An apparatus for providing a load on a bearing mounted to a shaft includes an attaching member releasably connectable to the shaft. A press mechanism is coupled to the attaching member and is configured to provide a compressive load to the bearing. An optical sending unit is configured to output a high intensity light to allow a user to locate a shaft slot of the shaft to align the press mechanism relative to the shaft when the attaching member connects to the shaft.

Abstract: A system for providing a load on a bearing mounted to a shaft includes an attaching member releasably connectable to the shaft and a press mechanism in fluid communication with a source of fluid and configured to provide a compressive load to the bearing. The press mechanism includes a switch having a base and a piston in communication with the fluid such that an increase in a pressure of the fluid results in the piston extending upwardly from the base and a decrease in the pressure of the fluid results in the piston retracting toward the base. The switch includes a first lower proximity sensor and a second higher proximity sensor. The piston is configured to extend upwardly from the base past the first lower proximity sensor and to trip the second higher proximity sensor. The switch is configured to control the increase in the pressure in response to the piston tripping the higher proximity sensor.

Abstract: A drive element is described for transmitting a torque to a threaded insert sleeve. A holder has a drive profile in which along a longitudinal axis of the drive element a drive tool for transmitting a torque from the drive tool to the drive element can be received. The longitudinal axis passes through the center of the drive profile and corresponds to a rotation axis of the drive element about which the drive element rotates when transmitting the torque from the drive tool to the drive element. An axial connecting section has an outer surface for forming a connection to the threaded insert sleeve that is one or more of a materially bonded, form-fitting and force-fitting connection. Via the outer surface, when a connection to a threaded insert sleeve is formed, a torque can be transmitted from the drive element to the threaded insert sleeve.

Abstract: A firing control device for use in a pneumatic tool includes a flow path unit, a conditioning valve and a switch valve. The flow path unit is connected to a main. chamber and an operating chamber of the pneumatic tool. The conditioning valve blocks fluid communication between the main chamber and the operating chamber via the flow path unit. When the switch valve is activated, the pressure in the casing is permitted to move the conditioning valve. The conditioning valve is moved to permit the fluid communication between the main chamber and the operating chamber via the flow path unit when the switch valve is continuously activated by a predetermined time period.

Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.

Abstract: An explosive discharge actuated tool includes a piston disposed in a barrel to be driven by a combustion gas for exerting a striking power to strike a fastener out of the barrel. A power adjusting unit is disposed to adjust an opening area of an exhaust port for the combustion gas, and includes an adjusting pin movable longitudinally to completely or partially close the exhaust port so as to adjust the striking power, and an engaging block coupled to the adjusting pin through a latch spindle to be moved transversely to allow or prevent movement of the adjusting pin relative to the exhaust port.

Abstract: A labor-saving stapler is provided, including: a housing, having a nail outlet; a striker, disposed within the housing and movable between a preset position away from the nail outlet and a nailing position near the nail outlet; an energy-accumulating mechanism, including a connection portion connected to the housing and a connection end cooperating with the striker; an operable mechanism, movably connected to the housing and having a depression portion abutable against the energy-accumulating mechanism; a limitation mechanism, connected to the housing, the striker being positionably restricted by the limitation mechanism; wherein when the striker is in a preset position and positionably restricted by the limitation mechanism, the energy-accumulating mechanism is depressible by the depression portion to be in a energy-accumulating state, and when the striker is free of restriction by the limitation mechanism, the energy-accumulating mechanism actuates the striker to move toward the nailing position.

Abstract: A stapler is provided, including: a main body, having a nail outlet and a cartridge, an opening of the cartridge communicating with the nail outlet; a nail guiding mechanism, including a guiding plate facing the opening and a biasing mechanism disposed between the main body and the guiding plate, the guiding plate having an upper end away from the nail outlet, the biasing mechanism abutting against the guiding plate and normally biasing the upper end toward the cartridge; a striker, movably disposed within the main body; an operable mechanism, movably connected to the main body, being operable to drive the striker to move toward the nail outlet.

Abstract: A combined hammer and pryer apparatus which has a combination of hammering and prying sections comprises an arcuate body, a hammer section, and at least two pry ends. The hammer section is defined at a first end of opposing ends of the arcuate body, where the hammer section is configured to insert a fastener on one solid body or a combination of solid bodies. The pry ends are defined on the opposing ends of the arcuate body, where one of the pry ends is defined rearwardly to the hammer section, where the pry ends are configured to gradually remove a fastener from one solid body or the combination of solid bodies.

Abstract: A hand tool is disclosed for driving nails, screws, and the like into a surface that improves the speed and accuracy with which it may be used by incorporating a measuring tool enabling the user to use the tool and measure distances with a single hand.

Abstract: A biaxial foldout tool includes a body with opposing ends and one or more sets of tool drivers. The opposing ends are rotated 90° from each other. A first set of tool drivers is positioned on/near a first end and rotates about a first hinge; a second set of tool drivers is positioned on/near a second end and rotates about a second hinge. A first portion of the first set opens in a direction counter to an open direction of a second portion of the first set of tool drivers. A first portion of the second set opens in a direction counter to an open direction of a second portion of the second set of tool drivers. When tool drivers are in an open position, internal stops prevent the tool drivers from opening past a predetermined angle. The tool drivers are contained within channels of the body when in a closed position.

Abstract: A multi-purpose tool includes a jaw head, a locking mechanism pivotably attached to the jaw head, a first handle, and a second handle. The jaw head includes a first jaw having a first tang and a second jaw having a second tang. The locking mechanism includes a projection extending from a lock body. The first tang includes a notch, and the first handle includes a notch configured to align with the notch in the first tang. The aligned notches are configured to receive the projection of the locking mechanism when the locking mechanism is in a locked position. The first handle is fixed to the jaw head when the locking mechanism is in the locked position due to the projection of the locking mechanism contacting both of the aligned notches. The first handle can be removed from the first tang when the locking mechanism is in an unlocked position.

Abstract: A multifunction support system includes a longitudinal support section extending along a first longitudinal axis. A first mounting section extends substantially along a second longitudinal axis. The first mounting section is coupled to a first end of the longitudinal support section. A second mounting section extends substantially along the second longitudinal axis and is coupled to a second end of the longitudinal support section. The second longitudinal axis is parallel to and spaced apart from the first longitudinal axis. The first and second mounting sections are coupled to a surface such that the longitudinal support section and the surface define a channel sized and configured to receive a coupling element therethrough.

Abstract: Apparatus and methods for a modular robotic device with artificial intelligence that is receptive to training controls. In one implementation, modular robotic device architecture may be used to provide all or most high cost components in an autonomy module that is separate from the robotic body. The autonomy module may comprise controller, power, actuators that may be connected to controllable elements of the robotic body. The controller may position limbs of the toy in a target position. A user may utilize haptic training approach in order to enable the robotic toy to perform target action(s). Modular configuration of the disclosure enables users to replace one toy body (e.g., the bear) with another (e.g., a giraffe) while using hardware provided by the autonomy module. Modular architecture may enable users to purchase a single AM for use with multiple robotic bodies, thereby reducing the overall cost of ownership.

Abstract: A modular robotic snake-arm assembly is described which is animated principally by an articulated drive shaft that threads the length of the snake-arm. The articulated drive shaft is driven by a motor in the fixed base. One or more clutch mechanisms in each segment couple with the articulated drive shaft so as to cause all snake arms further from the base to reorient in either one or two angles, in either direction. Snake-arm segments can be coupled end-to-end to form a robotic snake arm of great length.

Abstract: The invention concerns a robotic arm (1) with at least two arm modules (41, 42) which are moveable relative to one another and at least one manually operable input module (11) for generating control signals for the control of the robotic arm (1) on the basis of a user input. Both arm modules (41, 42) have a first interface (38, 40) onto which the input module (11) can be selectively mounted.

Abstract: A handling device is provided for opening a flap portion of a component part to be coated, in particular for opening a door or hood of a motor-vehicle body component part in a painting installation. The handling device includes a handling robot with a robot arm and a gripper mounted on the robot arm. The gripper is configured for engaging an engagement region or grip region on the flap to be opened, to enable the handling robot to open the flap with the gripper. The handling device further includes a sensor for non-contact sensing of the position of the gripper relative to the flap, to enable the gripper to be positioned relative to the engagement region on the flap. The sensor measures the distance from the handling device to the outside of the flap to be opened.

Abstract: A robot controller (2) configured to control a robot (1) including a plurality of joints (J1-J6) each rotatable around a rotation axis, the robot controller (2) including: an acquisition unit (21) configured to acquire a rotation angle of each of the plurality of joints (J1-J6); a determination unit (22) configured to determine whether or not the robot (1) has been in proximity to a singular configuration, based on the rotation angle of each of the plurality of joints (J1-J6); and a control unit (23) configured to control the plurality of joints (J1-J6) to be rotated not to rotate simultaneously, when the determination unit (22) determines that the robot (1) has been in proximity to the singular configuration.

Abstract: Example systems and methods allow for use of a graphical interface to cause one or more robotic devices to construct an output product. One example method includes causing a graphical interface to be displayed on a display device, receiving input data corresponding to one or more interactions with the graphical interface indicating at least one motion path and at least one sequence of tool actions to execute at one or more points within the at least one motion path for use in construction of an output product, generating a plurality of digital nodes including at least one robot node, at least one motion command node, and at least one tool command node, and providing instructions for the at least one robot actor to move according to the sequence of robot motion commands determined by the at least one motion command node and execute the sequence of tool commands determined by the at least one tool command node to construct the output product.

Abstract: A robot arm includes a plurality of links and rotary joints for connecting the links with each other. A cable (wire rod) for communicating a drive signal to a drive actuator of each rotary joint is provided along each link. A reaction force table storing a reaction force value generated by the wire rod when the joint is driven in a divided storage area divided for each dynamic drive control condition is provided in a control system. In a case where each rotary joint is driven, the control device controls each rotary joint on the basis of a reaction force value obtained by referring to the reaction force table in accordance with the drive control condition.

Abstract: A robot control system includes a humanoid conversation robot that has a conversation with a user, at least one service execution robot that provides a service to the user, a recognition unit that recognizes a request and an emotion of the user through the conversation between the user and the humanoid conversation robot, and a determination unit that determines a service which is to be provided to the user and a service execution robot which is to execute the service among the at least one service execution robot according to the request and the emotion of the user. The service execution robot determined by the determination unit executes the determined service.

Abstract: A pharmacy automation system having a robot having a hardware device and a software for internal mapping to perform simultaneous localization and mapping (SLAM) is disclosed herein.

Abstract: A robot includes a rotation axis and a torque sensor. The torque sensor is disposed on the rotation axis, and includes a strain generating body and a strain sensor. The strain sensor is mounted on a portion of the strain generating body. The strain generating body includes an inner flange, a ring-shaped outer flange, and a plurality of spokes. The outer flange is disposed further outward than the inner flange in a radial direction of the inner flange. The plurality of spokes are disposed between the inner flange and the outer flange and connect the inner flange and the outer flange to each other. At least one spoke of the plurality of spokes is a separate spoke which is un-integral to the inner flange and the outer flange and on which the strain sensor is mounted.

Abstract: A control device includes a robot control section that controls a robot including a hand and a force detecting section; and a operation-mode switching section that switches, when storing a position and a posture of the robot, a first mode for moving the robot by the robot control section until an external force applied to the hand satisfies a predetermined condition and a second mode for moving the robot by the robot control section on the basis of an external force applied to a first part included in the robot.

Abstract: A robot control apparatus includes a robot control part that controls a robot; and a force detection information acquisition part that acquires force detection information from a force detection unit. The robot control part, in which a range of control values for operating a robot by force control based on the force detection information is designated, operates the robot based on the control values and the designated range.

Abstract: A food product handling device includes a movable loading head having a plurality of coupling rails, a vacuum system operatively associated with the loading head, a plurality of suction devices carried by the loading head and configured to pick up and transport a food product, a plurality of mounting blocks slidably coupled to each other by the coupling rails, and an actuating device operatively associated with the mounting blocks for sliding each of the mounting blocks between a first position and a second position. Each of the suction devices is selectively coupled to the vacuum system. At least one of the suction devices coupled to each of the mounting blocks. The actuating device includes an actuating cylinder configured to displace the mounting blocks between the first position and a second position.

Abstract: A robot hand and a robot having the robot hand, the robot hand having a mechanism configured to appropriately carry out surface matching between an electrical magnet and an adsorbed surface of a workpiece, corresponding to the posture of the adsorbed surface. The robot hand has: a hand base; a holder attached to the hand base; a spherical bearing arranged in the holder so that a rotational center of the spherical bearing is positioned on a hand center axis; a connecting member attached to the holder via the spherical bearing, the connecting member having a protruding portion which protrudes from the holder in a direction opposed to the hand base; a holder base fixed to an attachment surface opposed to an adsorbing surface of the electrical magnet; and a posture restoring member for restoring the posture of the holder base so that the holder base represents a neutral posture.

Abstract: A purpose is to prevent a first connection piece string from colliding against a second connection piece string in a robot arm mechanism including a linear extension and retraction joint.

Abstract: The present application discloses a protection apparatus, The protection apparatus is connected to an end effector which includes a casting, a fixed part fixed to the casting, a rotational part rotatable relative to the fixed part, and a sealing part provided in a circumference of the rotational part. The protection apparatus comprises a cover, an annular elastically deformable sealing member and a fixing member; the sealing member is partly accommodated between the cover and the rotational part; the cover is attached to the fixed part, the cover being adapted to cover the exterior of the fixed part by the fixing member, so as to prevent the fixed part from being exposed to an exterior; and the cover and the sealing member are configured to jointly cover the sealing part to prevent the sealing part from being exposed to an exterior. The present invention also provides an end effector and a robot.