Abstract: A pipe wrench includes a head having a first aperture defining a central axis. The pipe wrench includes a first jaw coupled to the head having a plurality of teeth defining a first contact region, and a second jaw partially extending through the aperture of the head having a threaded portion and a plurality of teeth defining a second contact region. The second contact region extends beyond the first contact region in a direction parallel to side surfaces of the head. The pipe wrench includes a biasing mechanism located within the first aperture to align the threaded portion of the second jaw with the central axis of the first aperture, and an actuator having threads engaged with the threaded portion of the second jaw such that rotation of the actuator moves the second contact region of the second jaw relative to the first contact region of the first jaw.

Abstract: A secondary hammer support structure in a rotary impact tool is structured such that a plurality of steel balls are disposed between a secondary hammer and a retaining member. The plurality of steel balls are arranged between the first retaining groove of the secondary hammer and the second retaining groove of the retaining member. The retaining member is formed as a member separate from the spindle and has a retaining surface for retaining steel balls and a mounting surface mounted to the spindle so as not be rotatable. The mounting surface of the retaining member is mounted to a front member of a carrier.

Abstract: An electric power tool includes: a driving shaft that is rotated by a motor; an output shaft on which a front-end tool is attachable; and a torque transmission mechanism that transmits a torque produced by the rotation of the driving shaft to the output shaft. The torque transmission mechanism includes a magnet coupling including a driving magnet member coupled to a side of the driving shaft and a driven magnet member coupled to a side of the output shaft, and the driving magnet member and the driven magnet member are provided such that respective magnetic surfaces face each other, S-poles and N-poles being alternately arranged on each of the magnetic surfaces.

Abstract: An opening structure of a tool grip includes a left grip and a right grip that are intersected and pivoted. An elastic connecting strap is provided between the left and right grips. The left grip has at least two left studs. The right grip has at least two right studs. The connecting strap has a length greater than a distance between the left and right grips. One end of the connecting strap has at least two left recessed portions for engagement of the left studs. Another end of the connecting strap has at least two right recessed portions for engagement of the right studs. By selecting the position where the left recessed portions are engaged with the left studs and the position where the right recessed portions are engaged with the right studs, a force that the connecting strap pushes against the left and right grips to open is adjustable.

Abstract: A ratchet wrench may include a main body and a quick release member. The main body has a driving end, and a tool hole vertically penetrates therethrough. A housing concavely formed on an inner wall of the tool hole, and a teeth section is installed in the housing. A ratchet wheel is installed into the tool hole, and an outer periphery of the ratchet wheel is adapted to engage with the teeth section so as to enable the ratchet wheel and the tool hole to have synchronous rotation. A driving hole axially penetrates through the ratchet wheel. The quick release member has a magnetic ring, a pressing member, and a cover. The pressing member is adapted to move relative to the driving hole and the magnetic ring, such that a sleeve can be easily coupled in or detected from the driving hole so as to achieve the quick release effect.

Abstract: A torque transfer assembly for a bit holder includes a first lateral member, a second lateral member and a coupling pin. The first and second lateral members extend substantially parallel to each other along opposing sides of an axial channel of a base portion of a drive body of the bit holder. The drive body includes a drive end configured to interface with a powered driver. The coupling pin interfaces between the drive body and a driven body of the bit holder to transfer torque between the drive body and the driven body via engagement between the coupling pin and the first and second lateral members.

Abstract: A setting tool includes: a body with at least a drive shaft connected to a pull rod designed to be screwed onto the crimp part, to drive the pull rod in rotation along an axis; a draw sleeve fixed to the body and connected to the pull rod, to translate the pull rod along the axis; and a placing nose, to house the pull rod rear end, the drive shaft front end, and the draw sleeve. The draw sleeve front end includes a cavity opening onto a first through hole on the side wall, and a second hole on the drive shaft axis of rotation, the through holes allow the pull rod front end to pass through the holes, to allow the pull rod rear end to pass through the first through hole, and to enable the pull rod to be placed along the drive shaft axis of rotation.

Abstract: A bushing handle for use with a renewable bushing. The bushing handle facilitates a quick-change configuration by using a liner bushing disposed in a through bore. The liner bushing can accept a plurality of different renewable bushings having various inner diameters and other characteristics, eliminating the need to stock and store a multitude of different bushing handles. The liner bushing may be a lock liner, which facilitates the quick-change function, and provides a ground inner diameter, which is more resistant to wear and tear than the light metal construction of the handle itself.

Abstract: A staple device with an extension rod allows an installer to use the device to hold and pull tension on a string of wired lights and secure them to a surface, such as the underside of eaves or soffits on a dwelling. The activation of the stapling device is achieved by a pushing motion against the surface to be stapled to rather than the squeezing motion of current stapling devices. The staple device also provides greater mobility to the installer as opposed to the current method of positioning and repositioning a ladder around the base of the dwelling. The present invention allows the installer to quickly traverse the base of the dwelling and install the holiday lights in a more efficient manner than with the use of a ladder and squeeze-type staple staplers.

Abstract: An accessory for coupling to an attachment mechanism of an oscillating power tool includes a working end, an opposite rear end, and a fitment portion adjacent the rear end portion. The fitment portion includes a central opening having a central portion and a rearward portion open to the rear end, and configured to receive a post of a tool clamping mechanism. The fitment portion further includes a first plurality of openings in communication with and extending radially outward from the central portion, a second plurality of openings not in communication with and positioned radially outward from the central portion. The central portion, the first plurality of openings, and the second plurality of openings are configured to couple the fitment portion to a plurality of different configurations of attachment mechanisms for oscillating power tools.

Abstract: An electric working machine in one aspect of the present disclosure includes a motor, a controller, and a setter. The controller is configured to change a rotational state of the motor, in response to an establishment of a condition for change after the motor is initiated, from a low speed rotation to a high speed rotation. The setter is configured to set, based on a situation in the motor in the low speed rotation, a control variable of the motor in the high speed rotation and/or the condition for change.

Abstract: An adjustable mechanism for an angle drill or a die grinder, including a receiver, including a first section, and a second section connected to the first section, a mating component, a tension component arranged on the second section, and an axial sliding support operatively arranged to be secured to the second section, wherein at least one of the first section and the mating component includes a plurality of holes and the other of the first section and the mating component includes one or more pins, the one or more pins being operatively arranged to removably engage the plurality of holes.

Abstract: A slave combining with a master in a robot tool changing system is disclosed. The slave includes a combination groove into which a protrusion of the master is inserted, at least one plate displacement measuring module arranged at a circumferential edge of a hole of the combination groove, and a slave communicator for communicating with the master. Accordingly, a robot tool changing system including an artificial intelligence (AI) function and performing 5G communications may be provided.

Abstract: A securing device for a rotatably mounted object with at least one receiving unit, which is fixed against rotation on a first component of the object with at least one clamping unit which is fixed against rotation to a second component of the object, which manually or by means of a rotary drive is moveable relative to the first component via a rotatably mounted joint about a rotational and/or swivel axis, and with at least one drive unit through which the clamping unit can be transferred from a release position, in which the first component and the second component are released for rotation relative to each other to a clamping position, in which the clamping unit frictionally and/or non-positively engages in the receiving unit, and the first component and the second component are fixed relative to each other against rotation about the rotary and/or swivel axis.

Abstract: A modular autonomous bot apparatus assembly is described for transporting an item being shipped. The assembly includes a modular mobility base having propulsion, steering, sensors for collision avoidance, and suspension actuators; a modular auxiliary power module with a power source and cargo door; a modular cargo storage system with folding structural walls and a latching system; and a modular mobile autonomy module that covers the cargo storage system and provides human interaction interfaces, externals sensors, a wireless interface, and an autonomous controller with interfacing circuitry coupled to the human interaction interfaces and sensors on the mobile autonomy module. The assembly has a power and data transport bus that provides a communication and power conduit across the different modular components. A method for on-demand assembly of such a bot apparatus is further described with steps for authenticating the different modular components during assembly.

Abstract: A method of manipulating boxes includes receiving a minimum box size for a plurality of boxes varying in size located in a walled container. The method also includes dividing a grip area of a gripper into a plurality of zones. The method further includes locating a set of candidate boxes based on an image from a visual sensor. For each zone, the method additionally includes, determining an overlap of a respective zone with one or more neighboring boxes to the set of candidate boxes. The method also includes determining a grasp pose for a target candidate box that avoids one or more walls of the walled container. The method further includes executing the grasp pose to lift the target candidate box by the gripper where the gripper activates each zone of the plurality of zones that does not overlap a respective neighboring box to the target candidate box.

Abstract: Techniques for controlling a robot are described in this document. In some implementations, a method includes determining a first target position of a first point located at the first end of the first link based on pose data for an end effector of a robot having a wrist offset. A second target position of a first joint connecting the first link to a second link is determined. A third target position of a second joint located at the first end of a third link is determined, including defining a first plane that includes the second target position of the first joint. A position and size of a circle that lies within a second plane is determined. A point on a perimeter of the circle is selected as the third target position. Movement data based on each position of each joint is provided to a control system.

Abstract: Architectures and techniques to control heterogeneous teams of robots. Input is received from a remote device with a control platform. The control platform provides a control mechanism for a team of heterogenous robots having at least two different control structures. Control signals are generated for at least two different types of robots communicatively coupled with the control platform. A first type of robot is independent of a second type of robot and the first and second type of robot have different control mechanisms. The first type of robot receives a request for an item to be delivered. At least one of the first type of robot operates to identify the item and to move the item to an intermediate location and to generate a request to at least one of the second type of robot. At least one of the second type of robot operates to move the item from the intermediate location to a new location.

Abstract: A machine learning device is provided in a versatile controller capable of inferring command data to be issued to each axis of a robot. The device includes an axis angle conversion unit calculating, from the trajectory data, an amount of change of an axis angle of an axis of the robot, a state observation unit observing axis angle data relating to the amount of change of the axis angle of the axis of the robot as a state variable representing a current state of an environment, a label data acquisition unit acquiring axis angle command data relating to command data for the axis of the robot as label data, and a learning unit learning the amount of change of the axis angle of the axis of the robot and the command data for the axis in association with each other by using the state variable and the label data.

Abstract: A force detection system includes a force detection unit that outputs a signal corresponding to an external force, a first output unit that outputs first data based on a signal output from the force detection unit, and a second output unit that outputs second data based on the signal output from the force detection unit in a system different from the first output unit. The first data and the second data are different.

Abstract: A robot system that can perform cooperative work in accordance with an action of a person. A robot system according to the present disclosure includes a robot, a detection apparatus detecting a work object and detecting a predetermined action of a worker with respect to the work object, and a robot controller causing the robot to execute a predetermined work on the work object detected by the detection apparatus when the detection apparatus detects the predetermined action.

Abstract: Methods, apparatus, systems, and computer-readable media are provided for optimizing robot-implemented tasks based at least in part on historical task and location correlated duration data collected from one or more robots. Historical task and location correlated duration data may, in some implementations, include durations of different tasks performed in different locations by one or more robots in one or more particular environments, and knowledge of such durations may be used to optimize tasks performed by the same or different robots in the future.

Abstract: A robot control system determines which of a number of discretizations to use to generate discretized representations of robot swept volumes and to generate discretized representations of the environment in which the robot will operate. Obstacle voxels (or boxes) representing the environment and obstacles therein are streamed into the processor and stored in on-chip environment memory. At runtime, the robot control system may dynamically switch between multiple motion planning graphs stored in off-chip or on-chip memory. The dynamically switching between multiple motion planning graphs at runtime enables the robot to perform motion planning at a relatively low cost as characteristics of the robot itself change.

Abstract: Methods, systems, and platforms for automatic setup planning for a robot. The method includes sampling multiple poses in multiple dimensions within a robotic workspace. The method includes generating one or more candidate configurations based on the multiple poses. The method includes determining a score for each candidate configuration of the one or more candidate configurations. The score represents area coverage of a region of interest and at least one of an amount of setup time of the candidate configuration or an amount of energy used. The method includes determining a set of candidate configurations that has an overall area coverage that covers the region of interest based on the score for each candidate configuration. The method includes controlling a position and an orientation of the object based on the set of candidate configurations.

Abstract: Methods, systems, and apparatus for automatically moving a tool attached to a robotic manipulator from a start position to a goal position. The method includes determining, using a processor, a plurality of next possible positions from the start position. The method includes selecting a second position from the plurality of next possible positions based on respective costs associated with moving the tool from the start position to each of the possible positions in the plurality of next possible positions. The method includes moving, using a plurality of actuators, the tool to the second position. The method includes determining an updated plurality of next possible positions, selecting a next position, and moving the tool to the next position until the goal position is reached.

Abstract: In robot teaching programming, a robot teaching programming method, apparatus and system, and a computer-readable medium, can realize the programming of a robot simply, and are not restricted in terms of robot types. A robot teaching programming system includes a movable apparatus for imitating movement of an end effector of a robot in a working space of the robot; a robot teaching programming apparatus for recording first movement information of the movable apparatus in a first coordinate system and converting the same to second movement information in a second coordinate system of the robot, and then programming the robot according to the second movement information. Using a movable apparatus to simulate an end effector of a robot has the advantages of ease of operation, and no restrictions in terms of robot types. Teaching programming is accomplished through simple coordinate transformation, and there is no need for advanced programming skills.

Abstract: A robot controller is a robot controller that couples a three-dimensional measuring device configured to perform three-dimensional measurement of an object using a laser beam and a human detection sensor configured to detect a person based on an image obtained by imaging a detection range including the object, the robot controller including a human detection signal receiver configured to receive, from the human detection sensor, a signal indicating that the person is present within the detection range and a robot arm controller configured to control a robot arm based on the signal. When the human detection signal receiver receives, from the human detection sensor, the signal indicating that the person is present within the detection range, the robot arm controller controls the robot arm to set an emitting direction of the laser beam to a direction different from a direction of the person.

Abstract: A control apparatus includes driving means for rotationally driving a predetermined mechanism, braking means for braking the driving means by pressing a pressing unit against a rotation unit of the driving means, and control means for, in order to change rotation position of the predetermined mechanism, controlling the driving means in a braking release period in which the pressing unit is returned to a predetermined position to temporarily maintain the rotation position of the predetermined mechanism, and then driving the predetermined mechanism to thereby change the rotation position. The control apparatus performs at least one of notification to the user, braking of the predetermined mechanism, and stopping of the driving means when a command time for the driving means at the time of temporarily maintaining the rotation position of the predetermined mechanism is longer than or equal to a predetermined time.

Abstract: Systems and methods are directed to automated cleaning systems for vehicles. In one example, a vehicle is provided that includes a drive system, a passenger cabin, and a vehicle cleaning system. The vehicle cleaning system includes a vacuum unit and a robotic manipulator. The robotic manipulator includes an arm including a plurality of arm sections and a gripper unit positioned at a distal end of the arm. The robotic manipulator is connected to the vacuum unit such that the arm provides a vacuum path between the vacuum unit and the gripper unit.

Abstract: An inspection crawler, and systems and methods for inspecting underwater pipelines are provided. The system includes the inspection crawler having a housing with a first side, an opposing second side, a power source, and a controller. The crawler includes an inspection tool, at least two pairs of latching arms, each latching arm including a rolling element, and at least two pairs of driving wheels. The system also includes at least one communication unit configured to communicate with the inspection crawler and to communicate aerially with one or more remote devices and, and at one sea surface unit. The inspection crawler can further include a connecting structure connecting the front and back portions of the crawler, and configured to elongate and shorten the inspection crawler.

Abstract: The device comprises at least one module for stitching the tread and a means for moving the module vertically and horizontally. The stitching module comprises a frame which is provided with a fixed stitching assembly, equipped with spikes, and at least one mobile stitching assembly. The at least one mobile stitching assembly comprises at least one stitching plate provided at the base of same with at least one planar horizontal contact surface, from which at least two spikes protrude. The plate is arranged in a vertical guide space provided in the frame such that the spikes protrude downwards and such that it is free to move vertically in this space over a limited travel path. The device also includes a vertical movement device for moving the plate from the top downwards in this guide space and a device for locking the altitude position of the plate in this space.

Abstract: A workpiece gripping device includes a gripping body part that includes a slit into which a plate-shaped part of a workpiece can be inserted; and a positioning mechanism that includes an engagement part that is structured to be engaged with the plate-shaped part of the workpiece in the slit of the gripping body part, in order to position the workpiece.

Abstract: An interchangeable tool including a finger of a shape suitable for various components is mechanically detachably mounted to a robot arm. This eliminates the need for seeking the origin of the actuator for each interchange. By interchanging fingers themselves, the entire end effector can be reduced in size and weight.

Abstract: A robot apparatus includes a base, a strut unit, and a linear expansion mechanism 1 rotatably supported on the strut unit. The linear expansion mechanism includes: a plurality of cylindrical bodies assembled in series to each other; a block train including a plurality of blocks coupled to each other in a row, the block at the leading end being connected to the cylindrical body at the leading end; and a housing part that houses the block train along an arc-shaped trajectory, the housing part being arranged below the cylindrical body at the trailing end and above the strut unit.

Abstract: An actuator, a robot arm and a robot are disclosed. The actuator includes: a housing; a motor, including a motor stator and a motor rotor, wherein the motor stator is disposed on the housing, the motor rotor is rotatably connected to the housing, and the motor rotor covers the motor stator; a position encoder, disposed on the motor rotor; a motor driver, disposed on the housing, and electrically connected to the motor; a reducer, disposed on the housing, and parallelly disposed with the motor; and a transmission mechanism, connected to the motor rotor and the reducer respectively; wherein the reducer is configured to adjust a rotation speed output from the motor rotor.

Abstract: In the disclosure, a failure of a device performing work while moving is more reliably detected while the data amount of failure diagnosis data is reduced. The disclosure includes a frequency analyzing part which performs a frequency analysis on acquired data from an acceleration sensor; a maximum frequency detecting part which detects a maximum frequency from a result of the frequency analysis; and a failure diagnosis data generating part which sets a frequency twice or more of the maximum frequency as a sampling frequency, samples the acquired data from the acceleration sensor, and generates the failure diagnosis data.

Abstract: The present invention generally relates to cutting devices. Specifically, the present invention relates to a deburring cutter device. In some examples, the deburring cutter includes a handle module, a blade, and a blade cover. In an exemplary embodiment of the present invention, the handle module includes a blade holder configured with a blade cavity having walls which are adapted to reversibly secure the blade, allowing the blade to be selectively removed.

Abstract: There is disclosed a cutting unit (14, 60, 80, 100) for a hair cutting device (10), comprising: a blade carrier (16) carrying a cutting blade; a guard (18) comprising: a blade-facing surface engaging the cutting blade at a cut location; a planar guard contact surface (30) for contacting skin of a user, wherein the guard contact surface (30) is angled with respect to the blade-facing surface; and a guard extender (40, 70, 90) separate from the guard (18), wherein the guard extender (40, 70, 90) comprises a planar extension contact surface (46, 76, 96) configured to cooperate with the guard contact surface (30) to provide an extended contact zone (50) across the guard (18) and the guard extender (40, 70, 90) for contacting skin of a user. The blade-facing surface and the guard contact surface (30) converge towards a tip of the guard, wherein a cutting direction extends along the guard contact surface (30) towards the tip.

Abstract: An oscillatory linear actuator includes: an output movable element which is reciprocated by a periodically varying magnetic field and performs work on an object; and a vibration absorbing movable element which is reciprocated at a phase opposite to a phase of the output movable element and reduces vibration of the oscillatory linear actuator. The vibration absorbing movable element is lighter in weight than the output movable element.

Abstract: A drive cap uses snap fasteners to couples with the housing. The drive cap uses joining structures, such as protrusions and recesses, to align with the upper and lower housings. Once correctly aligned, snap fasteners enable a snug fit and enhance the fit and finish of the hair clippers. The snap fasteners can be located on an inner surface of the drive cap, inner housing assembly, and/or upper housing assembly. A snap detent is located on the inner surface of an adjacent surface to receive the snap fastener. Using a combination of protrusions, extensions, voids, and recesses, in addition to the snap fasteners ensures a secure fit for the drive cap between the upper and lower housings. The snap fasteners couple the drive cap to upper and lower housings seamlessly along the outer surface of the hair clippers and facilitate quick release of the drive cap for maintenance or cleaning.

Abstract: A trimmer razor including a handle, a head operatively connected to the handle, the head including a base member, a seat extending from the base member, and a cover connected to the seat, and an extension arrangement connecting the cover to the handle so that, upon rotation of the handle. The cover is movable between an open position and a closed position.

Abstract: Embodiments in this disclosure include a novel safety razor and utility case having a personal grooming utility case for storing a safety razor tool in a razor compartment and a disposable razor blade in a razor blade slot of the personal grooming utility case. The safety razor tool having a razor handle and a flexible razor jaw for receiving and safely removing the disposable razor blade from the razor blade slot of the personal grooming utility case.

Abstract: A razor cartridge includes a housing having a portion that forms a cavity and a retaining element configured to maintain a blade in the housing. The retaining element has a top portion that includes an aperture therethrough, a bottom portion, and an intermediate portion connecting the top portion to the bottom portion to define an interior volume between the top portion and the bottom portion. The cavity is fitted with a shaving aid. The retaining element is connectable to the housing so that the shaving aid is encompassed by the interior volume of the retaining element.

Abstract: A razor includes a cartridge supporting at least one cutting blade and a handle having an elongate gripping portion and an attachment portion at one end of the handle, the attachment portion supporting a pivot member providing a removable attachment to the cartridge. The pivot member includes an at least partially spheroid portion that is configured to be held between spaced-apart ends of two opposed legs. The razor also includes a stop protruding from a surface of the at least partially spheroid portion of the pivot member and configured to limit rotation of the cartridge when the cartridge is mounted on the attachment portion. The stop is configured to limit rotation of the cartridge by interacting with a relief portion of at least one of the two opposed legs. The two opposed legs have respective holes formed therein, and the pivot member is pivotably held between the holes.

Abstract: An apparatus for preparing food is provided, and includes a food-receiving chamber sized to receive at least one food item, a cutting structure configured to cut the at least one food item when pressed into contact therewith, an impeller for impelling the at least one food item into contact with the cutting structure, an oil chamber for storing oil, a heating system for heating the oil, and an oil introduction system in communication with the oil chamber, the oil introduction system being operable to introduce at least one of an oil mist and an oil spray in the frying chamber.

Abstract: Applying padding material around shaped cutting blades includes: receiving a blade shape diagram and a rule of blade; bending the rule of blade according to the blade shape diagram to produce the shaped cutting blades; and applying the padding material around the shaped cutting blades using the blade shape diagram to produce a padded shaped cutting blade, wherein the padding material provides a spring action to quickly detach the shaped cutting blades from a plate matter.

Abstract: Method for connecting a first wood element (110) with a second wood element (120), wherein the first wood element (110) comprises at least one first main fiber direction (114), wherein the second wood element (120) comprises at least one second main fiber direction (124), wherein the first wood element (110) comprises a first side (111) cutting through the first main fiber direction (114), wherein the second wood element (120) comprises a first side (121) cutting through the second main fiber direction (124), the method having the following steps: arranging the first wood element (110) on the first side (111) at a distance to the first side (121) of the second wood element (120); introducing adhesive in the space between the first side (111) of the first wood element (110) and the first side (121) of the second wood element (120); and curing the adhesive.

Abstract: A method for the additive production of a ceramic main part has the following steps: providing a slip of ceramic base material particles suspended in a liquid phase; producing a slip layer; orienting the radiation of a laser light source onto a section of the slip layer; evaporating liquid phase out of the slip layer in the section of the slip layer onto which the radiation of the laser light source is oriented or was oriented; forming a section of the ceramic main part in the slip layer in a sinter-free manner; optionally repeating the steps of producing a slip layer, orienting the radiation, evaporating the liquid phase, and forming a section of the main part in a sinter-free manner until the ceramic main part is provided; and separating the ceramic main part from the slip.

Abstract: Integrated core-shell investment casting molds include a filament structure corresponding to a cooling hole pattern in the surface of the turbine blade, stator vane, or shroud.

Abstract: A tubular structure having lobes is produced as a single piece over at least two lobes. Circumferential fibres of the structure have a constant orientation with respect to the longitudinal axis (A) of the structure in any plane (P) transverse to the longitudinal axis. The structure is obtained by weaving or by filament winding.