Abstract: In a load handling system, a load handling operation is performed between a platform and the inside of a container of a container truck. A load handling device that performs the load handling operation includes a mobile robot including, on an unmanned transport vehicle, a robot with a robot arm capable of handling a load. A proper position display unit is installed outside the mobile robot and displays a proper position of the mobile robot relative to a position of the container of the truck. After aligning the mobile robot to the proper position, the mobile robot autonomously travels.

Abstract: A forklift includes a top cover body that covers an upper side of a load placed on a fork included in a load handling device, a side cover body that covers a lateral side of the load, an opening/closing body that opens and closes an opening of the side cover body, and a motion conversion mechanism that opens the opening/closing body. The motion conversion mechanism opens the opening/closing body using a lifting/lowering motion of a lifting/lowering member included in the load handling device. The motion conversion mechanism does not include a drive mechanism including a motor, and opens the opening/closing body using the motion of the load handling device.

Abstract: A power supply system includes a movable power supply device including a first power storage device, a robot including a second power storage device, and a controller, and the controller performs control for conveying the first power storage device to the robot by using the power supply device, on the basis of information about an amount of power stored in the second power storage device.

Abstract: Annular joint surfaces of a lower case of a strut bearing device respectively have case-side projections that project in an axial direction. Shapes A of the case-side projections, seen in an axial direction, continue in a circumferential direction, and vary their position in a radial direction along the circumferential direction. An inner-diameter side seal has a seal-side recess fitted to the case-side projection. An outer-diameter side seal has a seal-side recess fitted to the case-side projection.

Abstract: In a strut bearing device, an upper spring seat made of steel has a cylindrical part and a disc part. The cylindrical part has, at an upper part thereof, an engagement hole penetrated in a radial direction. A lower case of a strut bearing has a cylindrical member fitted along an inner peripheral surface of the upper part of the cylindrical part. The cylindrical member has, at its outer peripheral surface, an engagement projection that is engaged with an engagement hole. Relative movement of the upper spring seat and the lower case in an axial direction and in a circumferential direction is restricted in a state where the engagement projection is engaged with the engagement hole.

Abstract: The protective cover having a cup shape is mounted to an outer ring of a bearing so as to seal an inward-side end portion of the bearing. A protective cover includes: a disc part made of a synthetic resin; and a sensor holder part that is made of the synthetic resin and protrudes inward from the disc part. The disc part is provided with a separation wall which separates the magnetic encoder and the magnetic sensor from each other. The separation wall has a surface facing the magnetic encoder and a surface facing the magnetic sensor, and one of the surfaces has a mark of a gas drainage pin of an injection molding die.

Abstract: A thrust bearing that can improve the effect of preventing entry of muddy water etc. The thrust bearing includes: an annular first bearing ring; an annular second bearing ring facing the first bearing ring in an axial direction; a plurality of rolling elements rollably arranged between the first bearing ring and the second bearing ring; an outer seal provided on the second bearing ring, located radially outward of the rolling elements, and sealing a space between the first bearing ring and the second bearing ring; and a cover covering the outer seal from outside in a radial direction.

Abstract: Provided is a method of manufacturing a resin retainer having two annular sections. A fixed-side cavity forming mold has a first axial mold surface that is in contact with an axial end surface of a first annular section of the annular sections of a resin retainer having two annular sections, and a first protruding portion protruding from the first axial mold surface. A movable-side cavity forming mold has a second axial mold surface that is in contact with an axial end surface of a second annular section of the annular sections of the resin retainer, and a second protruding portion protruding from the second axial mold surface. A slide core sliding step is performed in which slide cores are slid toward an outer diameter and pocket-forming protruding portions of the slide cores are extracted from a pocket of the retainer, and then a mold opening step is performed in which the movable-side cavity forming mold is opened relative to the fixed-side cavity forming mold.

Abstract: A cylindrical portion of an annular support member has a small-diameter portion press-fitted to an inner ring of a bearing, and a large-diameter portion formed by enlarging a part of the cylindrical portion, which is closer to an inboard side than the small-diameter portion. An annular magnet member has an inner-diameter side recessed portion formed by depressing, toward an outboard side, a radially inner part of a surface, in an inboard side, of the annular magnet member, and a wraparound portion that wraps around the annular support member toward the outboard side to a stepped portion between the small-diameter portion and the large-diameter portion. An inner peripheral surface of the wraparound portion protrudes radially inward more than an inner peripheral surface of the small-diameter portion. An inner peripheral surface of the inner-diameter side recessed portion has a gate mark of an inner-diameter side disk gate.

Abstract: A loading and unloading system includes: a robot including a robot arm; an automated guided vehicle on which the robot is mounted, the automated guided vehicle including a travel driving unit; transport conveyors; a robot controller that controls an operation of the robot arm 41 and supplies driving electric power to the robot arm; and a connector that receives electric power from outside of the loading and unloading system. The automated guided vehicle further includes: a transport controller that controls driving of the travel driving unit and the transport conveyors; and a battery that supplies electric power to the transport controller. The transport controller and the robot controller cooperate with each other to cause the transport conveyors to interlock with the robot arm.

Abstract: A guided vehicle includes: a first wheel section positioned at a front end portion of a base; and second and third wheel sections which are independent from each other. The first wheel section includes a left-right frame body, and swivel wheels arranged on left and right portions of the left-right frame body. An intermediate position between the swivel wheels in the left-right frame body is supported to be swingable about a front-rear axis relative to the base. Each of the second wheel section and the third wheel section includes a front-rear frame body, and a driving wheel and a swivel wheel which are respectively arranged at a front portion and a rear portion of the front-rear frame body. An intermediate position between the driving wheel and the swivel wheel of each front-rear frame body is supported to be swingable about the left-right axis and the front-rear axis relative to the base.

Abstract: A metal component has a shape including a flat plate-shaped part, and the flat plate-shaped part has a through-hole formed therein. A resin component has a shape including a covering part that covers a surface of the flat plate-shaped part, and the covering part has a surface in which a gate mark is present. The through-hole formed in the flat plate-shaped part of the metal component is located opposite to the gate mark. The resin component has a filler part with which the through-hole is filled.

Abstract: A pulley body has a first flange and a fitting protrusion. The flange body has a second flange and a fitting recess fitted to the fitting protrusion. The fitting recess has an inner surface including, in a radially inward direction, a first inclined surface inclined so as to approach the first flange, as extending in the radially inward direction. The fitting protrusion has a distal end surface including, in the radially inward direction, a second inclined surface facing the first inclined surface. The flange body has an outer peripheral surface that faces an inner peripheral surface of the pulley body, and has a protrusion which continues in a circumferential direction with no end. A region including an annular-shaped area between the first and second inclined surfaces includes a joint portion of a molten resin.

Abstract: Provided is an overhead conveyor that conveys a carrier loaded with a workpiece. The carrier includes a primary carrier, and a secondary carrier having a hanger that supports the workpiece. The overhead conveyor includes a rotation drive device that rotates the secondary carrier around the vertical axis, a friction brake device that makes the secondary carrier non-rotatable with respect to the primary carrier, and a rotation positioning device that is disposed on a ground side, and positions the secondary carrier at a predetermined rotation end position. The friction brake device, in an operating state thereof, brings a friction member included in a main body provided in the primary carrier, into press-contact with a brake member provided in the secondary carrier.

Abstract: An upper case manufacturing method using an axial draw mold, in molding of an upper case made of a synthetic resin and including an inclined cylindrical portion. A fixed mold is provided with a first half body, and a movable mold is provided with a second half body. The first half body and the second half body abut against each other in an inclined plane. The first half body has a first flat surface at both ends on the inner diameter side of the inclined cylindrical portion in the inclined plane, and the second half body has a second flat surface at both ends on the inner diameter side of the inclined cylindrical portion in the inclined plane. The first flat surface and the second flat surface are flat surfaces that prevent the occurrence of undercutting when the upper case is removed from an injection molding mold.

Abstract: A magnetic encoder in which a support member and a plastic magnet do not adhere to each other is manufactured using a mold. The plastic magnet has a turning molded portion on the outer circumferential side thereof. The gate of the mold is an inner-diameter-side disk gate and a length L thereof in the axial direction is in a range of 0.2 mm?L?0.6 mm. The tensile strength of the material of the plastic magnet is 65 MPa or more and the Young's modulus thereof is 4000 MPa or more and 15000 MPa or less. The method includes a step of opening the mold and placing the support member as an insert object in the mold, and a step of closing the mold and injecting a melted material of the plastic magnet into a cavity through the disk gate.

Abstract: A nut is used with being fixed to a sensor cap. The sensor cap is attached to an outer ring of a bearing in a wheel bearing device of an automobile. The sensor cap includes a sensor holder for holding a magnetic sensor. The nut is made of steel, and has a screw portion in which a bolt is screwed to attach the magnetic sensor to the sensor cap. A surface of the nut is coated with a zinc-nickel alloy plating layer with a nickel eutectic ratio of 8 to 18%.

Abstract: The rolling bearing seal includes a core metal and rubber adhered to the core metal by vulcanization. The rubber includes: a seal lip portion having, over the entire circumference in the circumferential direction, a plurality of projections that extend inward in the radial direction from the inner diameter side of the core metal, and slides on a seal sliding surface of an inner ring of a rolling bearing; and an attachment portion that is attached to an outer ring of the rolling bearing. A compression vulcanization molding mold includes a female mold and a male mold. The female mold has a guide portion for positioning the core metal and a rugged shape forming the projections on the seal lip portion. The male mold has an inner-diameter-side burr groove and an outer-diameter-side burr groove and the shape of a radially outermost portion of the inner-diameter-side burr groove is formed in a circle.

Abstract: A manufacturing method of a slinger, includes steps of: molding an annular blank material from a dull-finished steel sheet material through sheet metal press working or the like; and burring the blank material to mold a slinger. The values of the arithmetical mean roughness Ra of faces, of a burring mold, which individually come into contact with first and second slide-contact surfaces of the slinger, are set to 0.03 ?m?Ra?0.07 ?m. A ratio of pressure application force for holding the blank material between the faces to the 0.2% proof stress of the dull-finished material, is set to 1.0 or more and 1.53 or less. A clearance for the burring mold is set to T×(0.9 to 0.7) where “T” represents the sheet thickness of the blank material.

Abstract: A power supply system includes a movable power supply device including a first power storage device, a robot including a second power storage device, and a controller, and the controller performs control for conveying the first power storage device to the robot by using the power supply device, on the basis of information about an amount of power stored in the second power storage device.