Abstract: A wheel set assembly having a plurality of sinusoidal channeled wheels. The sinusoidal channeled wheels having a sinusoidal channel disposed around a circular exterior surface of each of the sinusoidal channeled wheels. The wheel set assembly allows for better maneuverability and longevity in comparison to other materials handling equipment wheels because of the sinusoidal channels. The sinusoidal channels also provide heat dissipation along with the ability to push debris out of the way of the materials handling equipment.

Abstract: A mold for molding an object having a shape, the mold comprising: a top, middle, and bottom bodies, said bodies having peripheral walls, and defining a central vertical axis and an inside cavity surface having same central vertical axis, when said bodies are in mutual contact; and a center hole disposed centrally in a top surface of the top body, the center hole aligning with the vertical central axis; the middle body comprising separate halves that are identical in shape; wherein the inside cavity surface comprises at least one protrusion disposed horizontally along the inside cavity surface, and at least one channel disposed horizontally along the inside cavity surface, the at least one channel being adjacent to the at least one protrusion; wherein, in the presence of a molding compound, the inside cavity surface defines at least a portion of the shape of the object being molded within the mold.

Abstract: A personal transport vehicle is provided capable of staying upright without the need for a stand by incorporating tires having an advantageous design combined with an overall lowered center of gravity. The personal transport vehicle further incorporates a hub and steering assembly configured within the front wheel of the vehicle, as well as a bake and propulsion means configured within the rear wheel of the vehicle. Finally, the personal transport vehicle is capable of being folded into a compact configuration, lending itself to ease of shipment, storage and transport.

Abstract: A coaxial cable connector having, in one embodiment, a connector body or body member, a coupling element and a grounding bridge portion. The connector body is configured to be attached to a post. The grounding bridge portion is configured to maintain an electrical connection between the coupling element and the connector body.

Abstract: A solid-tire-and-hub assembly is provided. The assembly includes a solid tire defining a pair of opposed, spaced side surfaces and a pair of opposed, spaced facial surfaces extending between the side surfaces such that the solid tire defines a substantially trapezoidal transverse cross-section. The solid tire is disposed about a partially hollow hub, which defines a substantially “I” transverse cross-section substantially aligned with the cross-section of the solid tire, an axial aperture configured to receive a drive shaft, and a plurality of holes defined about the aperture. A power-drive unit is also provided. The unit includes a housing, a drive shaft, and at least one of the solid-tire-and-hub assembly connected to the housing.

Abstract: A wheel core assembly for a recreational device such as a skateboard is provided. The orientation of the wheel core assembly can be readily reversed to allow use of both sides of a wheel such as e.g., a side-set wheel. The position of an outer bearing and a spacer can be readily switched to either side of an internal chamber thereby allowing the user to select the orientation of the wheel on an axle. The outer bearing and spacer can be configured for ready removal and installation without the use of special purpose tools.

Abstract: A tire pressure management system includes at least an axle enclosing a pressurized fluid, a hubcap supported by the axle and having an interior and an exterior, a rotary union axially aligned with the axle and mounted to the hubcap, the rotary union includes at least rotary union housing providing a central bore, a fluid conduit having upstream and downstream ends, a first bearing and a second bearing. Each of the bearings are in contact engagement with the fluid conduit via an inner race, and in pressing engagement with a bearing sleeve via an outer race, the bearing sleeve in pressing contact with the central bore; and a first and second seal, the first seal is disposed between the first bearing and the downstream end of the fluid conduit, and the second seal is disposed between the second bearing and the upstream end of the fluid conduit.

Abstract: A tip of an endoscopic insertion section includes a tip body having a forceps hole, and a cap covering the distal face of the tip body and having an opening corresponding to the forceps hole. Protrusions are provided between the distal face of the tip body and the opposite face of the cap that is opposite to the distal face, so that a specified space is formed between the distal face and the opposite face with the protrusions. In the space, at least a region around the forceps hole is filled with an adhesive so as to adhere the tip body and the tip cap together with no voids in the adhesive surrounding the forceps hole and thereby prevent disadvantages due to the entrance of a body fluid or a chemical cleaning solution through such voids.

Abstract: A wheel for a skateboard may include a bearing assembly, an annular rim coupled to and extending annularly around the bearing assembly, and a tapered tire portion coupled to and extending annularly around the annular rim. A dual wheel assembly may include a first wheel disposed on a longitudinal end portion of an axle, a spacer disposed on the longitudinal end portion of the axle adjacent to the first wheel and abutting against the first wheel, and a second wheel disposed on the longitudinal end portion of the axle adjacent to the spacer and abutting against the spacer. A method of making a dual wheel assembly may include disposing a first wheel on an axle, disposing a spacer on the axle adjacent to the first wheel, and disposing a second wheel on the axle adjacent to the spacer.

Abstract: A bearing device for a wheel has a stem shaft of an outer joint member of a constant-velocity universal joint fit and inserted in a hole of a hub wheel, the stem shaft and hub wheel being coupled through an intermediation of a recess-projection fitting structure. Projections extending in an axial direction are provided on one of the stem shaft and an inner diameter surface of the hole of the hub wheel. The projections are press-fit into another of the stem shaft and the inner diameter surface of the hole along the axial direction. Recesses that adhere to and fit the projections are formed in the other. An end on an inboard side of the hub wheel is caulked to an outer diameter side to form a caulking section and preload is applied to a roller bearing by the caulking section.

Abstract: An agricultural baler including a base unit, a plurality of ground engaging devices supporting the base unit and at least one tie system mounted to the base unit. The at least one tie system including a tucker finger and a cap. The tucker finger being rotatable about an axis relative to the base unit. The cap covering a portion of the tucker finger being proximate to the axis.

Abstract: A wheel bearing assembly has a wheel bearing with an inner race and outer race for fitting into a hub of a wheel. Bearings are seated between the inner race and the outer race. The inner race has an extension that axially extends inboard beyond the outer race. A spacer sleeve has a cup shaped end for snugly nesting the extension of the inner race. The cup shaped end has an inner radial wall for abutting an end wall of the inner race. The spacer sleeve also has an outer cylindrical wall forming a side wall of the cup shaped end and has an outer diameter sized for being snugly received into the hub of the wheel.

Abstract: A wheel comprising a hub and a tire. The hub has an outer tire receiving portion having a largest width smaller than a largest width of the tire. The hub and tire can also include a continuous interface surface.

Abstract: An improved skateboard or roller-skate truck is disclosed containing a novel yoke, base, grommet, wheel and bearing combination which delivers high precision steering, advanced steering control and more precise wheel alignment. The truck comprises a base plate and a yoke having a body portion with an aperture through it. There is a bearing member in the yoke next to the aperture. A post is mounted in the base plate and extends through the aperture in the yoke. A novel resilient grommet with a bearing surface on its face is mounted on the post and engages the bearing member in the yoke to restrict arcuate movements of the yoke. A novel wheel bearing is also disclosed which incorporates paired ball bearing casings with bell-shaped members on the outside of each casing slideably meeting each other inside a skate wheel where the bells self adjust the bearings to accommodate imperfections in the bearing seat levelness, bearing seat spacing, axle diameter and axle straightness.

Abstract: A wheel bearing assembly has a wheel bearing with an inner race and outer race for fitting into a hub of a wheel. Bearings are seated between the inner race and the outer race. The inner race has an extension that axially extends inboard beyond the outer race. A spacer sleeve has a cup shaped end for snugly nesting the extnesion of the inner race. The cup shaped end has an inner radial wall for abutting an end wall of the inner race. The spacer sleeve also has an outer cylindrical wall forming a side wall of the cup shaped end and has an outer diameter sized for being snugly received into the hub of the wheel.

Abstract: A wheel carrier for a motor vehicle in which the wheel carrier is typically manufactured from aluminum. The wheel carrier comprises a recess (1) for receiving an outer ring (2) of a wheel bearing (3). An inner ring (4) of the wheel bearing (3) is fixed in a hub (15) of a wheel flange (12) of a vehicle axle. An axial end of the outer ring (2) of the wheel bearing (3) abuts against a shoulder of the wheel carrier (6), and a rim section (5) of the wheel carrier (6) is at least partially deformed to abut an opposite axial end of the outer ring (2) of the wheel bearing (3).

Abstract: The invention provides a trolley wheel assembly for a conveyor system, e.g., an overhead conveyor system. In certain embodiments, the wheel assembly includes at least one wheel face having a contour (optionally a funneling configuration and/or one or more surface features) configured to facilitate flow of a fluid toward an open bearing assembly of the wheel assembly. In some embodiments, the wheel assembly includes an inner race, outer race, and bearings having a particular hardness arrangement, optionally together with a polymer wheel having certain filler features. Methods for cleaning such a trolley wheel assembly are also provided.

Abstract: A wheel for an inline skate that may reduce rolling friction and provide a wider rolling base giving more stability. The wheel comprises a hub for receiving an axle and a wheel body defining a circumference of the wheel. The wheel body comprises a circumferential surface extending along the circumference of the wheel. The circumferential surface comprises a first contact surface and a second contact surface for being in rolling contact with a skating surface on which the inline skate moves. The wheel body also comprises a receding surface extending from the first contact surface to the second contact surface and forming a recess between the first contact surface and the second contact surface.

Abstract: A method for making positioning structures of a bicycle hub comprises the steps of: A. bicycle hub clamping step; B. bicycle hub press forming step; and C. bicycle hub loading step. By such arrangements, the positioning structures of the bicycle hub can be obtained by the quick press forming without affecting the structure strength.

Abstract: There is an apparatus comprising a two-part hub system that can be used to make decorative wheel designs customizable, easier to assemble, and in a more cost effective way to manufacture. By splitting the hub into two parts, each individual hub part can be economically molded with simpler molds and be made from two separate processes; specifically, the first hub part could be made from a plastic injection molding process, and the second hub part could be made from a die-casting or plastic injection molding process combined with a vacuum metalizing process.

Abstract: A bearing wheel (50) has a wheel centre (53) and bearings (14, 16) housed in the wheel centre which are adapted to allow the wheel centre to spin about an axle (18) around which the bearings are mounted. There is an outer surface (20) for contacting a frictional surface over which the wheel centre is to spin. Air flow passageways (22) are formed through the wheel centre, and extend between opposite sides of the wheel centre to allow air flow therethrough to dissipate excess heat caused by friction while the wheel is moving on the frictional surface.

Abstract: A wheel is provided for a conveyance such as a skateboard. The wheel is generally cylindrical in form with a tread surface defining a portion of the wheel adapted to contact an underlying surface upon which the wheel is rotatably supported. The tread surface includes a circumferential trough therein dividing the tread surface into a pair of crests circumscribing the wheel on each side of the trough.

Abstract: A wheel with an asymmetrical cross-section for use with a roller skate. The wheel also has a tread portion that can be easily and inexpensively replaced. An apparatus for multi-line roller skates that has two or three lines of wheels. The wheels in the center line have a coefficient of friction that is lower than the coefficients of friction of either of the outer lines of wheels. The wheels in the outer lines have asymmetrical cross-sections, while the wheels in the center line have symmetrical cross-sections. A multi-line roller skate that employs these technologies is disclosed. Also disclosed is a method for improving roller skate performance employing the aforementioned technologies.

Abstract: A wheel assembly for a material handling cart includes a wheel hub having first and second openings in first and second hub faces, each concentric with and extending along a central axis of the wheel hub. First and second ball bearings are located in the openings. Inner rings of the bearings are wider than the outer rings, and the inner rings contact one another. The outer rings are separated by, and are in contact with, a hub member. First and second bearing sleeves in the first and second openings contact and retain the bearings, and form first and second journal bearings. The sleeves contact journal surfaces on a portion of each inner ring that extends parallel to the central axis from an outer face of each outer ring away from a medial plane of the wheel assembly.

Abstract: There is disclosed herein an improved and simplified wheel and bearing assembly, such as for skates and the like comprising a bearing inner race preferably formed of a plastic material such as polyurethane. A pair of bearing outer races, preferably of a relatively strong material such as titanium, are coupled with outer surfaces of the bearing inner race. Mating surfaces of the bearing inner race and the bearing outer races are configured and are coated with a lubricant to provide bearing surfaces for the wheel.

Abstract: A heavy duty wheel-axle assembly for industrial trolley carts in which wheel assemblies are mounted at either end of an axle, an inner bearing race of each wheel positively non-rotationally secured to the axle by interengagement of a non-round shaped position of the axle fitting into a corresponding opening in the race. A hex shape on one end is used to fix one wheel assembly, held by a bolt threaded into a threaded axial bore in the one end of the axle. A pin is inserted into one of a series of axial hub in the hub outside face to engage one side of the bolt hex head. A tee head on the other end of the axle is fit into a recess in the outside face of the other but to establish a non-rotative connection.

Abstract: An apparatus includes first and second wheel sections configured to mate in axially opposed relationship to define a rotatable wheel body. The wheel body has a peripheral outer surface extending circumferentially about an axis of rotation and a bearing cavity centered on the axis. Each of the wheel sections has an axial projection and an axial recess configured to receive the projection on the other of the wheel sections. This limits rotation of the wheel sections relative to each other about the axis when the wheel sections are received in the axially opposed relationship.

Abstract: A skate assembly that allows a skater forward/backward motion as well as side-to-side motion is provided. Various aspects of the skate assembly can be adjusted to fit the size and weight of the skater, the skill level of the skater, the skating or playing style of the skater, and the various surfaces to which it might come into contact. In one configuration the skate assembly is comprised of a plurality of linearly aligned roller assemblies. The skate assembly includes at least one friction plate mounted on the inside edge of the skate frame that provides a push-off area used by the skater to initiate motion, accelerate, or stop. In another configuration the skate assembly is comprised of at least one roller assembly interposed between a pair of conventional wheels. The pair of conventional wheels provides stability when the skater is moving in either a forward or backward direction since these two wheels are confined to rotation in a single plane.

Abstract: A novel skate platform wheel truck and wheel design is disclosed which incorporates five wheels per truck, with a larger center wheel with a convex or flat running surface, and two smaller side wheels with a beveled surface. This configuration permits more fluid and responsive turning of the skateboard.

Abstract: A roller skate wheel includes an outer wheel body defining a receiving space and having an inner wall formed with a first annular flange and a second annular flange spaced from each other, an inner tire received in the receiving space, a first wheel cap secured to the first annular flange, a first bearing received in a first opening defined in the first wheel cap, a second wheel cap secured to the second annular flange and securely coupled with the first wheel cap, and a second bearing received in a second opening defined in the second wheel cap.

Abstract: A mounting plate (20, 120) for a linear skate upon which a plurality of wheel supporting brackets (22, 24, 26 and 28) are affixed in an equally spaced, generally aligned relationship. A wheel-receiving axle (32, 34, 36 and 38) is secured in each bracket, with each axle intended to receive thereon a closely fitting skate wheel (12, 14, 16 and 18). Each axle has a novel, expansion-producing arrangement (52, 62) enabling the outer end of the axle to be enlarged so as to tightly engage the non-rotatable inner portion (80) of a respective skate wheel. Each wheel is thus retained on its respective axle in a fully operational manner, without fear of the wheel coming off the end of the axle. The mounting plate has raised shoulders (84 and 86; 126 and 128) along each long side, serving not only to prevent undesired bending or twisting, but also serving to prevent the several wheel-supporting brackets from twisting out of a desired relationship to the mounting plate.