Abstract: An autonomous delivery vehicle having one or more caster wheels that may be held off the ground for a portion of the time that the autonomous delivery vehicle travels. Each caster wheel is mounted in a pivot with a centering mechanism to hold the caster wheels in a design orientation. The caster wheel in the design orientation maximizes the view of forward-looking sensors on the autonomous delivery vehicle. The centering mechanism uses magnetic attraction/repulsion to center the caster wheel. The centering mechanism may incorporate a plurality of permanent magnets and or electro-magnets.

Abstract: A low profile wheel assembly suitable for use in dollies, decks or any other platform designed for moving freight or other heavy items. It includes a wheel, a carriage on which the wheel bracket is mounted for rotation about a first axis. The wheel carriage unit fits inside an outer housing unit of this wheel assembly and by means of low friction between the wheel carriage unit and the outer housing unit enabling the wheels carriage unit to rotate concentrically while inside the outer housing unit at a different axis than the first. In this manner and at the same time that the wheel is rolling on a surface, it can change directions of where it is rolling to.

Abstract: Multi-link suspension systems for vehicle are described having various linkage arms that connect to distinct points of a wheel mount. Each of the linkage arms are preferably coupled to the wheel mount via a spherical ball joint and mounted such that they can independently move with respect to the other linkage arms. A shock assembly is preferably mounted between two of the linkage arms on a separate links that is configured to vary its length based on movement of one or both of the two linkage arms.

Abstract: A caster for equipment and furniture, the caster comprising a support element including a top element and a base element, wherein the top element includes an attachment bolt configured to attach the caster and the base element includes a wheel axle that supports at least one wheel, wherein a replaceable substantially circumferential one-piece support element cover made from a synthetic material that provides a continuous design surface is arranged at the support element.

Abstract: A high load pivoting caster with integral jack preferably includes a wheel mounting base, a pair of wheels, a high load jack, a slewing ring, an wheel axle and an attachment cube. The wheel mounting base includes a base plate, and first and second pairs of wheel support plates. The first wheel is retained between the first pair of wheel support plates. The second wheel is retained between the second pair of wheel support plates. The wheel axle is inserted through the pair of wheels and the first and second pair of wheel support plates. The slewing ring preferably includes a stator ring, a rotor ring, an indexing plate and a set of rotary bearings. An opening is formed through the indexing plate to receive an outer perimeter of the high load jack. The attachment cube is preferably attached to a top of the indexing plate with welding.

Abstract: A hybrid module has a bridge section with a first transverse end and a second transverse end. Each end module has a body with an inner end and an outer end. The inner ends of each module are configured to be attached to a corresponding end of the bridge section. The inner ends may be removably attached to the corresponding ends of the bridge section using a coupler on the inner end and, in some cases, a mating coupler on the corresponding end of the bridge section.

Abstract: A mount device is disclosed for securing a swimming starting block to a floor. In at least one embodiment, the mount device provides an upper mount conduit engagable with the starting block and sized for at least partially extending into a receiver conduit in the floor. A lower mount conduit is positioned below the upper mount conduit and has an outer diameter or width sized for being completely positioned within the receiver conduit. An expansion bolt extends through respective substantially coaxially aligned bores of each of the upper mount conduit and the lower mount conduit, each of the bores having a diameter that is relatively larger than a diameter the bolt. Upon tightening the expansion bolt, the lower mount conduit is urged along an angled common axis toward the upper mount conduit, such that opposing long outside surfaces of the upper mount conduit and lower mount conduit are urged in opposite, substantially horizontal directions, creating a frictional engagement within the receiver conduit.

Abstract: A system includes (i) a caster having a first stem portion with a first stem portion connection configuration; and (ii) a set of second stem portions having an identical second stem portion connection configuration but having outer dimensions differing from outer dimensions of another second stem portion in the set of second stem portions. The caster first stem portion connection configuration is adapted to mate with the second stem portion connection configuration of the second stem portions in the set of second stem portions.

Abstract: A self-moving robot comprises a robot body (1). A control device is provided in the robot body (1), and a functional processing module (11) and a moving module (12) connected to each other are provided in the robot body (1). The moving module (12) is controlled by the control device to drive the functional processing module (11) to conduct mobile processing work in a working space (100). An opening hole (111) is formed inside the functional processing module (11) so that the moving module (12) is arranged rotatably in the opening hole (111) in an embedded manner. The moving module (12) can freely rotates relative to the functional processing module (11) through a connection mechanism. A walking method of the self-moving robot is further disclosed. The present invention is of simple structure, low cost and significantly improved moving mode, and the cleaning efficiency of the self-moving robot is improved with the same amount of time or power.

Abstract: A roller structure and method of using the same are introduced. The roller structure includes a first sleeve having a mounting portion for mounting a roller portion and a first connection portion for mounting a carried object, wherein the roller portion is disposed at the mounting portion; and a positioning element disposed at the first sleeve and the roller portion to cause the roller portion to rotate relative to the mounting portion. The roller structure can be conveniently and quickly amounted on the carried object, roller frame or circuit board such that roller structure gets standardized and modularized to serve an industrial purpose and provides rollers rotatable in all directions and suitable for use in SMT (Surface Mount Technology) processes and automated assembly operation.

Abstract: A device for mounting an aircraft tail wheel includes a support plate having, on the one hand, an articulation shaft with an arm and, on the other hand, an articulation shaft with a fork receiving the freely rotating tail wheel, while the articulation shaft of the plate is positioned near a rotation shaft of the tail wheel.

Abstract: A cabinet assembly includes a base and walls secured to the base to define an interior. The cabinet assembly further includes a pivot pin coupled to the base and a locking device coupled to the base. The locking device is movable relative to the base between an engaged position and a released position. The cabinet assembly additionally includes a support foot. The support foot is fixed to the base in a first orientation when the locking device is in the engaged position. The support foot is movable about the pivot pin to a second orientation spaced from the locking device when the locking device is in the released position.

Abstract: A shelving base bracket is an apparatus that is used to support and transport shelving units. The shelving base includes a rectangular frame which is made up of a plurality of lateral cross members. Each of the lateral cross members includes a base panel and a border panel. The base panel may be used to support a shelving platform for storing goods. The border panel provides structural strength to the lateral cross member and may be used to prevent items from falling off the shelving base frame. The shelving base frame also includes a plurality of corner brackets which is used to reinforce the connections between each of lateral cross members. Each of the plurality of lateral cross members is connected in-between two corner brackets. The plurality of corner brackets may be used to attach a shelving unit to the shelving base frame.

Abstract: The invention relates to a roller (1) having a wheel (2), which is accommodated in a housing, and a locking device (10, 17), the locking device (10, 17) being actuated by foot actuation of an actuating element (5) which is arranged so that it extends radially outwardly with respect to a vertical (V) that passes through a securing portion of the roller (1). To provide a roller which is advantageously formed with regard to locking by foot operation, it is proposed that an actuating portion of the actuating element (5) extends circumferentially at least far enough that a second foot actuation in the circumferential direction with respect to the vertical (V) may be carried out next to an area of the actuating portion by way of which a first foot actuation has been carried out.

Abstract: A caster includes a wheel supported for rotation about a rolling axis and a pin extending from the wheel along a pin axis in a direction normal to the rolling axis. A mounting plate includes a first aperture sized to receive the pin such that the wheel is rotatable about the pin axis. The mounting plate includes a plurality of mounting apertures arranged circumferentially around the first aperture, wherein a first of the mounting apertures is a first distance from the pin axis and a second of the mounting apertures is a second distance from the pin axis, the second distance being greater than the first distance. A bearing is positioned between the mounting plate and the wheel and is arranged to support rotation about the pin axis.

Abstract: A caster includes a yoke for retaining a wheel, a bearing housing connected to the yoke and a replaceable shielded bearing occupying the bearing housing. The inner wall of the bearing housing is provided with a groove into which a retaining ring may be inserted to prevent the shielded bearing from escaping. A caster mounting assembly having a connecting member which passes through a central opening of the shielded bearing is configured to connect the yoke and the bearing housing to a rollable article, such as chair or table. In the event that the shielded bearing needs to be replaced, the caster may be disassembled, the retaining ring removed from the groove, a new shielded bearing substituted for the old shield bearing, the retaining ring replaced in the groove, and the caster reassembled.

Abstract: The wheel device contains a base, an axle rotatably running through the base, two sleeves each having an axial through channel for the axle to run through; and two wheel members each having an axial first socket open to an inner side of the wheel member for joining with an end of the axle. The axle has a first neck section adjacent to each end of the axle with a small diameter than the axle's other sections. Along the axial through channel of each sleeve, there is a narrower first collar section. Inside the first socket of each wheel member, there is a narrower second collar section. After the axle runs through a sleeve and joins to a wheel member, the more extensive first and second collar sections are jointly embedded in the sleeve's more reduced first neck section, thereby enhancing the wheel device's operational life and reliability.

Abstract: A removable wheel device which slides onto the base of a sports field goal. The wheel device allows one person to move a goal across a field without using excessive force by sliding one wheel device onto the base of each goalpost and using leverage to tilt the goal and push or pull it for a distance. When inserted onto the base of the goal, the wheel device does not require any type of fastening to remain in place, but rather uses its own unique shape to hold onto the goal. Because field goals vary in structure, so too do each of the embodiments of the removable wheel device. Some of these variances include the angle of the axle, the location and structure of the notch, the use of a protrusion, and the use of a removable pin to secure the goalpost in place.

Abstract: A removable wheel device which slides onto the base of a sports field goal. The wheel device allows one person to move a goal across a field without using excessive force by sliding one wheel device onto the base of each goalpost and using leverage to tilt the goal and push or pull it for a distance. When inserted onto the base of the goal, the wheel device does not require any type of fastening to remain in place, but rather uses its own unique shape to hold onto the goal. Because field goals vary in structure, so too do each of the embodiments of the removable wheel device. Some of these variances include the angle of the axle, the location and structure of the notch, and the use of a protrusion.

Abstract: A caster includes a mounting plate, a horn having a horn base and at least one leg, a wheel axle coupled to the at least one leg and defining a rolling axis, a caster wheel coupled to the wheel axle and rotatable about the rolling axis, and an eccentric bearing assembly coupling the horn with the mounting plate. In one embodiment, the bearing assembly includes first, second, and third rings of rolling elements, defining first, second, and third horizontal bearing planes, respectively. The second and third rings of rolling elements are positioned eccentrically within the first ring of rolling elements. In another embodiment, the first bearing plane extends between the second and third bearing planes. A transport vehicle includes a vehicle body and at least one swivel caster having an eccentric bearing assembly.

Abstract: In a grommet for a vehicle floor cover, receptacles formed in a generally cylindrical inner surface of a female tubular body making up part of one grommet portion receive protrusions formed on a generally cylindrical outer surface of a male tubular body making up part of a second grommet portion. The bottom grommet portion may have chamfered gussets formed adjacent a bottom retention flange in order to accommodate vehicle floor mats or trays of different thicknesses. Stud holes created in respective ones of the grommets receive studs of intentionally different shape or orientation, thereby militating against installation of the floor cover upside down.

Abstract: A system for managing beverage sales and inventory, and for enabling customers to pour their own beverages while preventing shrinkage is disclosed. The system enables a user to access a beverage from a beverage dispenser by presenting a beverage-pour tracking device. The beverage dispenser can prevent a user from accessing the beverage without the beverage-pour tracking device. Further, the system can confirm whether the user is permitted to access the beverage dispenser before enabling the user to access the dispenser.

Abstract: There is provided a foldable walker apparatus with a wheel fork and a frame portion having a first end facing the wheel fork, a first bore extending from the first end towards a second end opposite thereof, an exterior disposed between the first end of the frame portion and the second end of the frame portion, and a second bore disposed between the first end of the frame portion and the second end of the frame portion. The second bore extends from the exterior of the frame portion to the first bore in a direction generally perpendicular to the first bore. A shaft couples with the first bore and includes a recess facing the second bore. A bearing outer race couples to the wheel fork and a bearing inner race couples to the shaft. A securing member extends through the second bore and engages with the recess of the shaft.

Abstract: There is provided a cabling apparatus comprising, a cable connecting a first unit and a second unit which turns around a turning axial line of a hinge portion with respect to the first unit via the hinge portion, a cable guide portion, which guides the cable, in which the cable guide portion is turnably attached to the second unit on one end side of the cable guide portion and is connected to the first unit on the other end side of the cable guide portion, wherein a turning axial line of the guide portion with respect to the second unit and a turning axial line of the hinge portion accord with each other.

Abstract: A glider that attaches to the bottom of the legs of a walker is disclosed. The glider, preferably a ball made from wood, provides the walker with additional stability and mobility. The glider includes a hole with a rubber stopper that secures the glider to the leg of a walker. A screw is first inserted into the glider and then a design is created on the glider. The screw is removed and then a hole is drilled over the same spot, large enough to fit the leg of a walker. A rubber stopper is inserted into the hole to help secure the leg of the walker to the glider. A scribe line can be included around the opposite end of the glider to inform users of when to replace the glider.

Abstract: A plurality of castors for a piece of furniture, each castor including a casing, two wheels, and fastener elements for fastening to the piece of furniture. The casing is made up of two units, each made as a single piece, the first unit including a portion constituted by a portion of the wheel casing and a portion constituted by a portion of the swivel casing, the second unit including a portion constituted by another portion of the wheel casing and a portion constituted by another portion of the swivel casing. The two units are adapted to be associated with each other to form the casing in such a manner that the portions of the first unit and the portions of the second unit engage respectively one in the other, and elements are provided for securing the two units together.

Abstract: Disclosed is a rotatable foot-wheel used for a luggage trunk, that is provided to a user with a simple & convenient mounting and detaching means, such that in detaching a foot-wheel from a luggage trunk, upon securing a lower half portion element, all the user has to do is to move the step-shaped housing of an upper half portion element outward, so that balls on a ball portion are separated from the step-shaped housing, then rotating the foot-wheel to make it separate, thus achieving the purpose of detaching a rotatable foot-wheel, such that a user may replace worn-out elements by himself. When installing a new element or reinstalling a repaired element, similarly, upon securing a lower half portion element, moving step-shaped housing of an upper half portion element outward, so that balls on the ball portion rejoin with the step-shaped housing, hereby achieving the objective of fixing and re-installing foot-wheels.

Abstract: A caster wheel system comprising an axle assembly, wheel fork assembly and pivot block assembly. The axle assembly operationally couples the system to a vehicle, the wheel fork assembly includes a wheel rotatably coupled to a wheel fork member, the pivot block provides a coupling interface between the axle assembly and the wheel fork assembly, the pivot block assembly also has a bumper which acts to inhibit flutter and allow the wheel fork assembly to pivot slightly backwards when sufficient weight is applied to inhibit tipping where only three wheels of a four wheel system contact the ground, thereby allowing all wheels to contact the ground during operation.

Abstract: A charm clasp having a torus shape and formed as two pivotally connected arcuate parts which are adapted to encircle and releasably attach to a segment of a necklace formed as a strand of pearls, this clasp including an eyelet for attachment of a charm thereto.

Abstract: A caster assembly includes a caster, a fork for supporting the caster and a connecting unit for rotationally connecting the fork to a vehicle. There is provided a braking unit for stopping the rolling of the caster. There is provided a restraining for stopping the steering of the vehicle when the rolling of the caster is stopped.

Abstract: A swivel yoke assembly is used for supermarket mobile material handling equipment. The yoke assembly includes a yoke, a bearing and a cage. The yoke can be made from low grade steel. The swivel bearing can withstand heavy cart loads and has an outer race and a split inner race. The races cover a large part of the balls, so as to provide support. Also, the balls are tightly packed into the bearing leaving little total space between the balls, again to provide support for the load. The outer race is clamped to the yoke by the cage. The cage is secured to the yoke by staking, wherein tabs are inserted into slots in the yoke and the tabs are formed with double shoulders. A cover is provided to protect the bearing from the environment.

Abstract: A swivel caster assembly has a spring-loaded detent pin in a cylinder threaded into a nut mounted to the underside of the caster horn top. A lower bearing race has detent notches in an outer peripheral surface under the caster horn top and engage-able by the pin to control directional orientation of the horn relative to a load carried by it. The cylinder is adjustable by turning the cylinder in the nut, to change the amount of orientation control. The detent features are concealed under the top portion of the horn.

Abstract: A support structure for a castor, a castor provided with such a support-structure, and a castored trolley is described. The support structure comprises a first member 5, a second member 3 that is rotatable with respect to the first member about a pivot axis, and magnetic means 21, 23, 61, 63 that is operable up to a certain torque to restrain movement of the rotatable member from one angular position with respect to the first member. Preferably the magnetic means comprises at least one hair of magnetically co-operable components. Preferably one component of the at least one pair of components is a permanent magnet. In another angular positions without registration of the first and second members free rotation is possible unless and until re-registration occurs.

Abstract: A wheelchair is provided with front anti-tip wheels adapted to assist the wheelchair in mounting an obstacle that the wheelchair approaches obliquely. The anti-tip wheels may function as casters, capable of rotating about a vertical axis, or may be fixed for rotation about a horizontal axis only. The anti-tip wheels may include lateral convex surfaces which tend to allow the anti-tip wheel to slide or roll over the obstacle. The lateral convex surfaces may be provided by a laterally oriented rolling element, a convex-shaped hub, a convex-shaped housing that partially surrounds the wheel, or a ball-shaped wheel. Alternatively, rotation of the anti-tip wheel may be controlled such that the wheel rolling surface faces and engages the obstacle.

Abstract: A base member for swivel caster comprises a fixed base, a rotation base and a hollow staff. The fixed base includes a ring member, and a plurality of first raceways lathed in an inward surface of the ring member. A support cavity is defined through a center of the rotation base. Assembling holes are defined in a connecting portion and communicate with the support cavity and the second raceways. During assembly, a plurality of rolling balls are extended through the assembling holes and loaded into the first raceways and the second raceways. Then a plurality of biasing balls is loaded into the assembling holes. The staff is inserted into the support cavity and blocks the assembling holes. The rolling balls contact the biasing balls instead of fixed components whereby the rolling balls swivel and rotate smoothly.

Abstract: A connector for an electrical box having a base that has an opening. A cavity is formed by a wall extending from the base. The cavity is aligned with the opening to form a passageway through the connector to receive electrical cable. At least two fingers extend inwardly and toward the base from an inner surface of the wall. At least two tabs extend outwardly and toward the base from an outer surface of the wall to retain the junction box between the at least two tabs and the base.

Abstract: A caster assembly including a unique drawn kingpin rivet formed of stainless steel or other material of appropriate toughness which compressively holds the components of the caster assembly together.

Abstract: A kingpin-free caster in which a plate is assembled onto a yoke with ball bearings therebetween and the plate is deformed in place upon the yoke to capture the ball bearings between the yoke and plate and couple the yoke and plate together against removal.

Abstract: A caster device is disclosed for movably supporting a load. The caster device includes a wheel for supporting the load and a wheel support having a first and a second extremity. The first extremity of the wheel support supports the wheel for rotation of the wheel about an axis of rotation. The second extremity of the wheel support defines an aperture and the wheel support has a first surface and a second surface. A support stem has a first and a second end, the support stem extending through the aperture such that the aperture is disposed between the first and the second end of the support stem. The second end of the support stem is connected to the load for supporting the load. Also, a leaf spring is disposed between the aperture and the second end of the support stem such that the leaf spring resiliently contacts the load and cushions the load relative to the wheel.

Abstract: A caster structure including a seat body, a linking member, a caster seat and a lower bearing cover. The linking member is integrally formed with an upper bearing cover. The seat body is formed with a differential fixing hole and the top of the linking member is formed with a fixing section. The shape of the cross-section of the fixing section is an internal tangential circle of the differential fixing hole. When the fixing section is passed through the fixing hole and compressed and fixedly riveted, the fixing section will form a differential section complementary to the fixing hole. Accordingly, the linking member is firmly connected with the seat body without rotation.

Abstract: A lightweight high capacity industrial caster which has three major parts, an upper assembly, a lower assembly, and a roller assembly. The upper assembly includes an upper plate with a first top surface and first bottom surface, the first bottom surface having a circular upper race groove within the plane of the upper plate, a kingpin having a top end and a bottom end, connected to the upper plate on the top end and extending downwardly away from the first bottom surface, the kingpin centered with respect to the circular upper race groove and an upper race insert carried in the upper race groove. The lower assembly includes a lower plate with a second top surface and second bottom surface, the second top surface having a circular lower race groove within the plane of the lower plate, a hole in the lower plate at the center of the circular lower race groove through which the kingpin extends, a lower race insert carried in the lower race groove, a first set of bearings carried in the lower race insert.

Abstract: A method of molding soft member constituting the main portion, and a rigid member. The soft member at least partially embedded in a soft member to form a semi-rigid grommet member has a loop rib integral therewith, and the rigid member has a loop base element almost entirely embedded in the rib. The base element has load pads spaced therealong for lockingly engaging the panel in which the grommet is positioned. The base member is molded in the bottom part of the mold, and then it is lifted out of its original molding position to expose it for injecting the soft material in surrounding position around the base member.

Abstract: A housing for a device mountable on a mounting surface has a housing element provided with two mounting flanges each having a passage adapted to extend substantially perpendicularly to the mounting surface and formed to receive a mounting bolt, two bushings extending through the mounting flanges and surrounding the passages, the bushings being composed of metal and injection molded with a material of the housing element, each of the passages being formed as an elongated hole with a width adapted to correspond to a diameter of the bolts, the bushings corresponding to a contour of the passages and surrounding the passages with a radial distance therefrom, the bushings being provided with peripheral formations which are filled with the material of the housing element, and the bushings at an inner peripheral side being free from the material of the housing over a part of an axial length of the bushings and a lower side of the mounting flanges.

Abstract: A pair of finger rings used for mounting around finger holes in a rubber boot used with a water ski, a wake board and the like. The two finger rings include a first annular mounting plate and a second annular mounting plate. The two mounting plates are identical in structure. The first and second mounting plates include a first ring hole and a second ring hole. The first and second ring holes are dimensioned for indexing around the finger holes in the boot. The two mounting plates include a plurality of outwardly extending male posts and female posts. The male posts on the first mounting plate are dimensioned for receipt in the female posts of the second mounting plate. Likewise, the male posts of the second mounting plate are dimensioned for receipt in the female posts of the first mounting plate. During installation of the finger rings, the first mounting plate is positioned on one side of rubber boot with the first and second ring holes disposed next to and around the finger holes in the boot.

Abstract: An arrangement for sealing a cable bushing for at least one connecting cable, and in particular for a connecting cable of a sensor element of a gas sensor. On the terminal side, the sensor element is arranged in a metallic housing which has a tubular opening, in which a sealing arrangement is disposed, through which the connecting cable is conducted. The sealing arrangement is fixedly surrounded by the housing and has an elastically deformable sealing element and a spring element acting in the direction of the leading-through of the connecting cable, the sealing element being elastically deformed by the spring energy of the spring element.

Abstract: A seal for sealing an aperture in an object, through which aperture one or more elongate article(s) extend(s). The seal includes at least two pressure members; at least two seal members to seal the aperture, at least part of at least one of which is situated, in use, between the at least two pressure members; and a compression device to compress the seal members in use by moving the pressure members closer together. The seal is arranged such that each elongate article extends in between at least two seal members, the seal members being situated adjacent to each other in a lateral direction with respect to the direction in which the elongate article(s) extend(s), and being arranged to form a sealing contact with each other and with each elongate article when they are compressed by the compression device.

Abstract: A side insertion trap for cable or wire includes a base and two arms extending from the base to define an opening between the arms for permitting lateral insertion of a cable or wire between the arms. A retention member, such as one or more angled teeth, serves to inhibit motion of the wire or cable between the arms in a direction perpendicular to a lateral insertion direction.

Abstract: A connector for facilitating the connection of electrical conduit or cable to junction box, which is fashioned from a single piece of material, and features a saddle member and rolled throat that are integral parts of the connector. These integrated features simplify manufacturing and ultimate use of the disclosed connector.

Abstract: An improved snap-in connector incorporating a liner or insert for the outbound end of the snap-in connector that comprises a generally cylindrical body having an outer periphery and inbound and outbound ends is described. The insert includes at least two, preferably three and most preferably four tabs that extend outwardly from the outer periphery of the inbound end and engage cast-in recesses in the inner periphery the outbound end of the snap-in connector. Also extending outwardly from the outer periphery of the liner or insert at points between the inbound and outbound ends of the liner or insert, and radially offset from the first set of tabs, is a second set of tabs, and preferably four in number that engage the outermost outbound end surface of the snap-in connector.

Abstract: A cable manager grommet insertable into a cutout in a furniture panel, the cutout having an edge surface with a slot formed therein, the grommet having a transverse collar and a ridge extending therefrom, wherein the transverse collar lines the cutout edge surface, with the ridge inserted into the slot.