Abstract: Systems, devices, and methods are disclosed for supporting one or more camshafts by the engine block in overhead arrangement relative to the cylinder heads and valve train.

Abstract: An electric wheelchair with quick-release drive wheels includes: a chassis, and two guide wheels and two said drive wheels. The drive wheels are rotated by a drive mechanism and connected to the drive mechanism by a quick-release mechanism. To detach the drive wheel, the user can press the cover to make the rolling balls move out of the receiving groove and back to the arc-shaped engaging portion, which allows the hollow shaft to disengage from the drive shaft. Then, keeping pressing the cover can detach the drive wheel from the drive mechanism. To assemble the drive wheel, the user can press the hollow shaft into the axial hole to make the rolling balls engage in the receiving groove, so that the drive wheel is assembled to the drive mechanism. The assembly and disassembly of the drive wheel require no wrenches or other tools, and therefore are very convenient.

Abstract: A wheel retaining device is provided for axially retaining a wheel on an axle having a notch. The cap is adapted for being affixed to a wheel. One or more springs is affixed to the cap at a lateral edge. The springs have a first position wherein the distal ends are located radially outward from the lateral edge. The springs are bendable into a second position wherein the springs are adjacent to the inboard side of the outer plate so that distal ends are urged inward. The distal ends include a protrusion that is adapted for being received in a notch on the axle. The cap is held onto the wheel by tabs that extending into apertures and catching behind the apertures. The cap is designed for maintaining the lateral position of the axle with respect to the wheel to which it is attached.

Abstract: A fastening element for fixation of a wheel on a wheel axle has a first section and a second section that are movable relative to each other and are separated from each other by a plane of separation. The first section has devices for fixation on the wheel axle. The second section has a wheel axle cover. A substantially closed outer wall that is divided by the plane of separation is provided on the fastening element.

Abstract: A sleeve for a fastener aperture in a vehicle wheel includes a tubular body having a first end and a plurality of external conically shaped barbs. The barbs include successively increasing outer diameters as a distance from the first end increases. A head radially outwardly extends from a second end of the body and is adapted to engage a land on the wheel that encompasses the fastener aperture. A bore extends through the body and the head and is adapted to receive a wheel fastener.

Abstract: A wheel device for a carrier comprises a wheel, a shaft, a clipping fastener and a cover. The shaft passes through the wheel and has a channel at one end. The clipping fastener has a plurality of radical curved claws inwardly extending from an outer portion thereof and the claws are engaged into the channel to pivotally secure the wheel around the shaft. The cover has a connecting structure such as a snap-fit or a screw at an inner surface thereof for engaging with the clipping fastener.

Abstract: An electrically driven wheel for a tracked vehicle which includes a driving track wheel with built in cogs and a brushless DC motor having a mounting shaft to connect the wheels to the tracked vehicle. The brushless DC motor is coupled within the driving track wheel to develop rotational torque for rotating the driving track wheel and includes a drum, a bank of pole assemblies connected between the drum and the stationary mounting shaft, and electrical wiring for energizing the bank of pole assemblies. In an embodiment, the brushless DC motor includes permanent magnet high multiple pole motors. The electrically driven wheels are part of a drive system for the tracked vehicle. The drive system includes a track module frame, at least two flexible tracks coupled with the electrically driven track wheels, and a controller for controlling the electrically driven track wheels in response to a driver command.

Abstract: A lug nut for a golf trolley wheel has a base panel, an engaging element and a spring. The base panel has a mounting hole and a chamber respectively formed transversely and radially through the base panel and communicating with each other. The engaging element is movably mounted in the base panel and has a circular hole and an engaging hole formed through the engaging element, communicating with each other and selectively aligning with the mounting hole. The spring presses the engaging element to an engaging position, wherein the engaging hole aligns with the mounting hole to mount a trolley wheel and is compressed to remove the wheel.

Abstract: An electrically driven wheel for a tracked vehicle which includes a driving track wheel with built in cogs and a brushless DC motor having a mounting shaft to connect the wheels to the tracked vehicle. The brushless DC motor is coupled within the driving track wheel to develop rotational torque for rotating the driving track wheel and includes a drum, a bank of pole assemblies connected between the drum and the stationary mounting shaft, and electrical wiring for energizing the bank of pole assemblies. In an embodiment, the brushless DC motor includes permanent magnet high multiple pole motors. The electrically driven wheels are part of a drive system for the tracked vehicle. The drive system includes a track module frame, at least two flexible tracks coupled with the electrically driven track wheels, and a controller for controlling the electrically driven track wheels in response to a driver command.

Abstract: A wheel and axle assembly in which the wheel carries a metal clip secured within a pocket formed in the wheel. The clip extends into an axial bore formed in the wheel. An axle is fitted into the wheel bore engaging the metal clip to secure the axle against withdrawal or longitudinal movement while permitting rotation of the wheel relative to the axle.

Abstract: A wheel mounting system for a wet/dry vacuum cleaner is disclosed. A system provides a wet/dry vacuum cleaner base having a plurality of mounting surfaces extending therefrom. First and second wheels are mounted to first and second stub shafts which are inserted through at least two of the plurality of bearing surfaces and secured thereto using set screws. Flanges on outer ends of the stub shafts secure the wheels between the flanges and wheel wells extending from the base of the vacuum cleaner. A reinforcing shaft can be telescopingly received within the first and second stub shafts in order to enable the vacuum cleaner base to support relatively heavy loads.

Abstract: A plastic wheel (22, 122) and wheel mounting sleeve (27, 27a, 127) used to releasably secure the wheel (22, 122) onto an axle (23, 123). The wheel mounting sleeve (27, 27a, 127) preferably includes a resilient, radially displaceable, axially extending, cantilevered finger (46, 146) which includes an axle-engaging lug (55, 155), while a wheel-engaging shoulder is provided on an annular rib 101, 201. The respective sleeve shoulders cooperate with oppositely facing shoulders on the wheel so as to latch the sleeve (27, 127) to the axle (23, 123) and the wheel (22, 122) to the sleeve (27, 127). The sleeve (27, 127) and sleeve-receiving bore (39a, 39b, 139a, 139b) are radially inwardly stepped on the inner side (66, 166) as compared to the outer side (67, 167) of the wheel. Assembly can be accomplished without any tools, and a pointed tool can be used to puncture a skin (195) in a passageway (191) so as to enable release of the sleeve (27, 127) and wheel (22, 122) from the axle (23, 123).

Abstract: A waste container having a wheel assembly comprising an axle assembly on which are slidably mounted a pair of wheels. The axle assembly comprises a pultruded shaft with opposing end caps. The end caps have an indentation for receiving a retainer to retain the wheels on the shaft.

Abstract: Integrated wheel and wheel hub assembly for a vehicle, including a wheel hub (3), a wheel (2), carried by the wheel hub (3), a suspension mount (5) to connect the wheel hub (3) to the vehicle body, a rolling bearing, interposed between the wheel hub (3) and the suspension mount (5), and a brake rotor (39). The wheel includes a a rim (10) for the insertion of a tire (11) and a wheel flange (13), substantially radial, to connect the rim (10) with the wheel hub (3), the empty wheel flange (13) being prepared as an independent component, both of the rim (10) and of the wheel hub (3), and being connected solidly axially and angularly and in a secured manner to the wheel huo (3), and being connectable in a removable way to the rim (10).

Abstract: A golf cart wheel axle assembly having a holder plate connected to the frame of a golf cart to hold a wheel axle by a lock screw, wherein a rivet is fastened in a transversely extended rivet hole on the holder plate and peripherally engaged into an annular groove around a shoulder on the lock screw to stop the lock screw from an axial movement relative to the wheel axle.

Abstract: A hub unit comprises a wheel bearing and a driving axle stub which is situated in a correspondingly shaped, concentric opening in the rotatable ring of the wheel bearing, and in the direction of rotation interacts by unround shapes with the ring which driving axle stub has an axle end projecting from the opening in the ring. The axle end interacts with the inner periphery of a cup spring whose outer periphery is supported under pre-tension on the ring. The cup spring is accommodated in a peripheral groove provided in the axle end.

Abstract: A wheel assembly for an exerciser includes a tubular ring-mounting member having a plurality of axially extending slots at an open inner end portion thereof so as to define a plurality of tapered flexible jaws. A wheel-bearing tube has an open outer end inserted into the ring-mounting member. A retaining ring has an internal thread unit for engaging the external thread unit of the jaws, and an inclined pressing section for pressing the jaws against the wheel-bearing tube so as to fasten the ring-mounting member to the tube. A wheel ring is sleeved on the ring-mounting member between an inner outward flange unit on the jaws and an outer outward flange unit of the ring-mounting member. The inner outward flange unit can be compressed so as to permit entry of the wheel ring into the space between the inner and outer outward flange units.

Abstract: A non-corrosive, small particle resistant wheel axle-bearing assembly for a free wheeling hand carry device is provided which includes a wheel, an axle spindle and an annular bearing. In a preferred embodiment of the invention, the wheel includes a central bore, an inwardly facing-surface, and an outwardly facing surface. The inwardly facing surface includes a centrally disposed retainer between the wheel and the body of the device. The outwardly facing surface includes a cylindrical recess for receiving a thrust flange. The axle spindle is integral with the body of the free wheeling device and includes a plurality of longitudinal channels which terminate in slots on the device's body. The annular bearing has a flange at its outer end, a plurality of locking projections at its inner end, and an inner cylindrical wall defining a central bore and an outer bearing surface.

Abstract: A hand-pulled wagon comprises a horizontal bed supported on a frame to wh are attached ground support wheels. The axles of the wheels are attached to sleeves which extend downwardly from the frame. Upper ends of the sleeves are hollow to receive mounting posts affixed to removable side walls. The sleeves extend upwardly no higher than the bed, so that when the side walls are removed, access to the bed is not obstructed by the sleeves. A manual pull rod is attached to the wagon and includes a generally arrow-shaped pull handle designed to minimize discomfort to the user while pulling the wagon.

Abstract: A wheel device for releasably attaching to a golf cart, the wheel device includes an engaging member fixed to a wheel axle. A pair of catches are extended from tile engaging member. The leg attachment member includes a hole for receiving the catches of the engaging member so as to secure the wheel to the leg attachment member. The wheel device includes a greatly simplified structure, and the wheel can be easily secured to the leg attachment member.

Abstract: A vehicle wheel is of a three-piece sandwich type and high in accuracy and rigidity and can be manufactured less expensively and more efficiently. The radially outer portions of the flanges of an inner rim part and an outer rim part, which constitute a rim assembly for supporting a tire, are located in contact with each other outside the peripheral edge of a disk in the radial direction thereof so that the portions constitute a butted part. The rim parts are clamped to each other by bolts and nuts in such a manner that the radially inner portions of the flanges pinch the flange of the disk on both the sides of the latter flange. The butted part is provided with a welding seal on the peripheral surfaces of the flanges of the rim parts.

Abstract: A structure for a golf cart wheel shaft having two hole bushings fixed in opposing ends of a central bore of a hub of the golf cart wheel. A shaft bushing is disposed within the central bores of the hole bushings for receiving a wheel shaft within the interior of the shaft bushing. The wheel shaft is engaged within the shaft bushing and both rotate together by means of two fitting tips, each of the two fitting tips being formed on a respective one of two clamping fingers. The fitting tips pass through respective holes in the shaft bushing to engage respective recesses formed in the shaft.

Abstract: A double-foot plate pedaling skate, comprising two foot plates alternatively pedaled to force three sets of wheels to run. The three sets of wheels include a first set of wheels mounted on the wheel axles of one foot plate at one side, a second set of wheels mounted on the wheel axles of the other foot plate at the opposite side, and a third set of wheels respectively secured to and retained between the two food plates permitting the two foot plates to be alternatively disposed at two different angular positions at 180.degree. from each other so that the two foot plates can be alternatively pedaled to provide axle and wheel rotation.

Abstract: The knock-down wheelbarrow includes four side units and a bottom unit that are generally planar. The side units and bottom unit form an open topped box structure. These units have respective interfacing surface portions that are adjacent each other. A plurality of partial bores are located on the interfacing surface portions. The side units and bottom unit are attached together via fastener pins. Each pin has radially protruding serrations and the serrations along each end length of each pin are oppositely disposed. Each pin is inserted into a pair of partial bores thereby locking the interfacing surfaces together. The knock-down wheelbarrow also includes a pair of support beams and each support beam includes a partial bore on a top surface, a partial bore on a bottom surface and a lateral through bore at a fore end of the beam. The wheelbarrow also includes a pair of legs having top end interfacing surfaces with partial bores therein. Fastener pins attach each leg to the bottom surface of a support beam.

Abstract: An improved golf cart mainly comprises a pair of grips, a grip-supporting-rod, a fixing seat for the grip supporting rod, an upper-fixing-member for a golf bag, a collapsible frame, a pair of wheels and a set of wheel supports. The grip can receive a golf ball and a plurality of golf tees. The upper-fixing-member for holding a golf bag can receive a plurality of golf balls. The inclination of the grip-supporting-rod is adjustable. The central components of the collapsible frame are disposed in a hollow supporting rod both to prevent the user from being hurt and to increase the component's durability. The wheels and its supports are simplified as well for easy operation.

Abstract: A wheel bearing assembly comprises an outer bearing member which is secured to a steering knuckle, and a hollow spindle which is rotatably supported in a fixed longitudinal relationship in the outer bearing member by two rows of bearing balls. The hollow spindle has a splined bore which receives a splined stub shaft of a drive bell which is pulled through the splined bore by way of a pull groove in the free end of the stub shaft. A snap ring is assembled to the stub shaft to secure the hollow spindle on the stub shaft against the resistance of a deformed crush ring which is disposed between an inboard end of the hollow spindle and a shoulder of the drive bell. In an alternate embodiment the snap ring secures the hollow spindle on the stub shaft against the resistance of interengaging straight and helical spines of the hollow spindle and the stub shaft.

Abstract: The specification discloses a simple, yet extremely strong and serviceable, mobile shelving carriage construction. A first extruded frame member defines integral screw bosses within its cross-sectional shape. A second frame member is secured to the first frame member by screws secured within the integral bosses. A roller axle is mounted in the first frame member and includes a circumferential groove aligned with one of the screw bosses. The securement screws interfit with the axle groove to retain the axle within the first frame member.

Abstract: A quick-release wheelchair axle comprising a male member of a coupling device which forms a continuous piece with and is collinear with the axle's axis, the end of the load bearing surface opposite the male member having two lock washer slots for wheel adjustability, the female member of the coupling device having a quick-release ring for ease of axle removal and threads in conjunction with a sleeve and nut which allow for adjustability of the axle against the structure of the wheelchair.

Abstract: The present disclosure is directed to a wheel set for toy rail vehicles having wheels with rims extending radially from hubs which are mounted on a smooth axle passed through a hole in the chassis of the vehicle. A spring disc with a cover is fitted on the axle end and clutched by the wheel hub provided with a constricted opening recess, thereby retaining the wheels on the axle.

Abstract: A quick release coupling for a wheel and axle comprising an axle having an outer end for receiving a wheel thereon, a circumferential ball receiving groove adjacent the end of the axle, a wheel having a hub portion with a central opening therein for receiving the end of the axle, a bushing mounted on the hub surrounding the central opening for receiving the end of the axle, intermating splines on the axle and bushing for preventing relative rotational movement of the wheel and the axle, a plurality of circumferentially arranged and spaced ball receiving holes in the bushing overlying the ball receiving groove when the axle is in a locked position relative to the wheel, a plurality of balls received in the ball receiving holes, a locking sleeve slidably and axially mounted on the bushing, a first spring for urging the sleeve towards the wheel, a plunger centrally mounted within the bushing, a second spring for urging the plunger against the end of the axle, a stop for limiting the axial movement of the sleeve

Abstract: The present invention pertains to a foldable bicycle including a main frame comprised of a front frame portion and a rear frame portion, a handlebar structure, a removably, adjustable seat structure, and two removable wheels. The two wheels include a front wheel and a rear wheel both of which are removably mounted to the bicycle frame by quick-release lock mechanisms. Upon removing the bicycles adjustable seat structure and the front wheel and rear wheel, the main frame may be folded by rotating the front frame portion oppositely with respect to the rear frame portion. Upon such folding, the two frame portions form a triangularly shaped unit which lies in three parallel planes.