Abstract: A bracket is provided. The bracket includes a fixing seat and a holding seat. The fixing seat has a first extending direction and includes at least one first contacting end surface, and a first angle is contained between the at least one first contacting end surface and the first extending direction. The holding seat is detachably connected to the fixing seat with a bend angle to form a bend structure, and the holding seat includes at least one second contacting end surface corresponding to the at least one first contacting end surface. The at least one first contacting end surface and the at least one second contacting end surface are located near or at a bend portion of the bend structure.

Abstract: A method and equipment for forming a front toothing having a plurality of radial teeth on an annular collar of an inner ring of a wheel hub, wherein a plurality of first knives are axially and sequentially impressed on the annular collar and have a first predetermined circumferential profile (P1) configured to form radial reliefs which are spaced by imprints and have a rounded circumferential profile corresponding to the profile of the ridges of the radial teeth to be obtained; thereafter, a plurality of second knives are axially and sequentially impressed on the annular collar inside the imprints and have a third predetermined circumferential profile (P3) configured to reproduce in reverse at least part of respective opposite flanks of the radial teeth of the front toothing to be obtained.

Abstract: Various disclosed embodiments include illustrative hinges, door assemblies, storage bins, and vehicles. In an illustrative embodiment a hinge includes a hinge bracket, a hinge pin, a hinge arm, and a detent assembly. The hinge arm is rotatably connected to the hinge bracket via the hinge pin. The detent assembly is adapted to define a detent position of the hinge arm relative to the hinge bracket that is between an open position and a closed position of the hinge arm relative to the hinge bracket. The detent assembly includes a detent plate and a plunger assembly. The detent plate includes a recess formed therein. The plunger assembly includes an end that is biased at least partially into the recess while circumferentially aligned therewith to define the detent position.

Abstract: A mounting bracket for a lighting system includes a body portion having an elongated shape and defining a top side and a bottom side opposing the top side. The body portion defines, within the bottom side, a plurality of channels spaced apart along an axial direction of the elongated shape, wherein one or more channels of the plurality of channels is configured to receive a mounting portion of a linear light fixture of the lighting system. The body portion further defines, within the top side, a plurality of holes spaced apart along the axial direction corresponding to the plurality of channels, wherein one or more holes of the plurality of holes extends into a corresponding channel of the plurality of channels and is configured to receive a fastening structure therethrough.

Abstract: To provide a fixing device for a panel which can absorb a dimensional change due to expansion of the siding board. A comb-shaped slit is formed at an area from the intermediate line C defined between opposed two sides of a rectangular metal plate to form leaf spring-shaped strip plates 41, 42 and 43. The strip plates are bent at the intermediate line C and a bend line F to form fixing pieces 41a, 42a and 43a and lock pieces 41b, 42b, and 43b so as to lock fixing ends 51a and 52b of the siding board 50. Moreover, an inclined angle ?1 of the fixing piece 41a disposed at the strip plate 41 is formed to have a different angle from an inclined angle ?2 of the fixing pieces 42a, 43a disposed at the remaining strip plates 42 and 43. Thereby the strip plates can be elastically deformed.

Abstract: A first portable medical device is adapted for use in an interlocking system for interlocking the first medical device to a second medical device. The first device includes a housing having opposite sides, a selective element, a blocking element, and a clamp mechanism. At least one of the opposite sides includes a matable element to detachably attach a second medical device. The selective element restricts the attachment of the second device to only one side of the first device. The blocking element prevents a third medical device from attaching to the first and second devices once the first and second devices are attached. The clamp restricts the attachment of the second device to only one side of the first device when the clamp is attached to a support member. The clamp permits slide ratcheting axial movement of a clamp shaft.

Abstract: A first portable medical device is adapted for use in an interlocking system for interlocking the first medical device to a second medical device. The first device includes a housing having opposite sides, a selective element, a blocking element, and a clamp mechanism. At least one of the opposite sides includes a matable element to detachably attach a second medical device. The selective element restricts the attachment of the second device to only one side of the first device. The blocking element prevents a third medical device from attaching to the first and second devices once the first and second devices are attached. The clamp restricts the attachment of the second device to only one side of the first device when the clamp is attached to a support member. The clamp permits slide-ratcheting axial movement of a clamp shaft.

Abstract: There is provided a joining member to which wooden pieces can be attached and from which they can be detached, and a joining structure including the joining member without causing deterioration in an appearance of the wooden pieces. The joining member is placed between the plural wooden pieces (2, 3) and includes a frame (4a) and a connector (4b). The frame (4a) abuts an end face (2d, 3d) of each of the plural wooden pieces (2, 3) to fix the plural wooden pieces (2, 3). The connector (4b) is detachably attached to the frame (4a) to connect at least two wooden pieces (2, 3) among the plural wooden pieces (2, 3).

Abstract: A quick release device for a pedal includes a spindle, a connecting unit connected to the spindle, and a quick release mechanism connected to the connecting unit. The spindle has a protrusion extending from one end thereof and an annular groove defined in an outer peripheral thereof. The connecting unit has a receiving hole defined therein, a guiding hole defined in a lateral thereof and communicated with the receiving hole, and a retaining hole defined therein and communicated with the receiving hole. The quick release mechanism includes a rod partially received in the guiding hole and a spring biased against the rod toward the receiving hole. In assembly the protrusion engages with the retaining hole and the rod engages with the annular groove.

Abstract: An attachment system includes a dual sleeve nut comprising at least two spaced-apart nut housings; at least two interiorly-threaded fastener openings extending through the nut housings, respectively; and a nut base connecting the nut housings. At least two threaded fasteners extend through the fastener openings, respectively, of the nut housings. A method of attaching a bracket to a composite structure is also disclosed.

Abstract: The present invention provides an assembly for attaching a hub to a shaft. The hub, which may be a portion of a gear, pulley, chain sprocket or other power carrying device, includes a collar or annular wall having two axially extending relief cuts on opposite sides of a shaft opening, which define a pair of opposed projections or clamp members. The clamp members include opposed flats on the inside of the shaft opening which engage complementarily configured flats on the shaft. A threaded fastener such as a bolt extends through smooth radial bores in one clamp member and the shaft and into a complementarily threaded bore in the other clamp member. The internal flats of the hub include opposed arcuate, axially extending reliefs. The outside surface of the hub proximate the smooth bore defines a chordal surface which the bolt engages.

Abstract: A housing structure includes a first plurality of wall panels which form a lower course and a second plurality of wall panels which form an upper course. Each of the wall portions is generally rectangular and includes integrally formed interlocking portions which facilitate attachment of adjacent lateral edges of the wall portions of the first plurality to each other. Integrally formed interlocking portions facilitate attachment of the panels in the lower course to the panels in the upper course. In addition, rectangular roof panels are provided to enclose the housing structure. The interlocking portions enable the panels to slide into an interlocked engagement configuration thereby forming a rigid structure without the need for tools.

Abstract: A tumbling unit such as a casting shake-out unit, rotary media drum, sand reclaimer or the like, is provided. The tumbling unit includes a cylindrical outer shell and a cylindrical inner shell. The inner liner is formed of a series of interfitting segments. The segments each have an inner surface, an outer surface, side edges, a front edge, a back edge, and a vane extending from the outer surface. The side edges of the segments have a groove formed therein which extends the length of said the edges. The grooves of neighboring segments define channel between the segments. A pin or liner lock key is received in the channel to urge the neighboring segments apart to form a tight interfit among the segments in a row of the liner. The retaining pin has a body having side surfaces, a top surface, and a bottom surface. A hole extends through the pin body and receives a dowel, which is sized to extend from opposite sides of said pin body.

Abstract: A bracket assembly for connecting a fixture to a support, the bracket assembly comprising in combination a male subbracket for connection to one of the fixture or support, a female subbracket for connection to the other one of the fixture and the support, the subbrackets being complementarily configured for coupling to each other.

Abstract: A combined-type connector consists of a hood having at the front half a first connector-fitting chamber and at the rear half a side opening in a direction perpendicular to a connector-fitting direction; and a connector with a connector-fitting section having a second connector-fitting chamber formed therein. The connector-fitting section of the connector is inserted through the side opening into combination with the hood, moved in the direction perpendicular to the connector-fitting direction in which the connector is fitted with a mating connector. The hood and the connector can be easily combined and disassembled, though not disassembled under a force acting in the detaching direction of the connector from the mating connector.

Abstract: A wear runner assembly includes a base which is representatively secured to an excavating bucket wall surface, and a wear runner which is releasably connectable to the base by moving the wear runner in a locking direction parallel to the surface to engage tongues on the base with grooves on the wear runner and thereby prevent removal of the wear runner from the base in a removal direction transverse to the surface and the locking direction. By moving the wear runner relative to the base in an unlocking direction opposite to the locking direction the connected wear runner may then be moved in the removal direction to separate the wear runner from the base.

Abstract: A leveling device with which to orient a workpiece--or tool--affixing upper part relative to a lower part connected to it, the device having at least one adjusting screw of which the shank rotatably passes through the upper part and engages a thread in the lower part. To permit economical manufacture of the device without degradation in accuracy, the invention anchors the upper part in the lower part at a specified spring loading and at a spaced apart distance from the adjusting screw.

Abstract: A sheet metal construction system is provided with a support strut having an elongated channel. A piece of sheet metal having an aperture is positioned on the strut with the aperture positioned over a portion of the channel. A rivet is received within the aperture and extends into the channel where it grips the strut. In this way, the aperture in the sheet metal can be positioned anywhere along the length of the channel and there is much greater freedom in the placement of rivets. The strut is also provided with channels for receiving braces and hangers for suspending a finished sheet metal product, such as a plenum for a clean room.

Abstract: An assembly and method for mounting linear structures in locked longitudinal alignment, which includes retainer bars joinable to a bracket for mounting linear structures and a pin assembly having wedge pins protruding outwardly from a base wherein the wedge pins engage opposing apertures in a locked, spring-loaded interface tightened into alignment by a retainer screw. The locked interface between opposing edges of the wedge pin and the apertures impart strong resistance to displacement forces, thereby providing a system for joining and mounting permitting adjustment and alignment of independently suspended linear structures and subsequent tightening down of the linear structures.

Abstract: An archery accessory adapter apparatus including an adapter plate having at least one bore, and a locknut for allowing repeated mountings and demountings of an archery accessory from the bowriser portion of a bow, without the need for tools in the target or hunting field, and without requiring lateral readjustment of the archery accessory once mounted on the bowriser.

Abstract: Method and apparatus for joining a first structural element, having a passageway formed therein which opens to the exterior thereof, to a second element. A plurality of members are assembled into a joining device which is then nested inside of the passageway. The members are then moved with respect to each other to enlarge the size of the joining device so that the members engage the wall of the passageway in supporting contact therewith. The members of the enlarged joining device are then secured together into a unitary support block, with the members in supporting contact with the passageway wall. The unitary support block is connected to the second element. Unique member components, member securing means, member moving means, and the like form a new and useful apparatus.

Abstract: In a preferred embodiment, a system for joining first and second cast panels, including: first and second main structural members, cast into and extending along opposing, spaced apart edges of the first and second panels, respectively, and defining a cavity therebetween; a first locking member engagable with upper portions of each of the first and second structural members to secure the first and second panels against movement toward or away from one another; a second locking member engagable with medial portions of each of the first and second structural members; and a third locking member extending between the first and second locking members to draw the first and second locking members together and lock together the first and second panels.

Abstract: A coolant pump system features a pump impeller supported on a pump shaft without bearings, and an axially in-line drive shaft with bearings coupled to the pump drive shaft. The system minimally includes a pump body having a bore therein, a coolant pump impeller, a pump shaft passing through the bore and having the impeller mounted on one end thereof, and a bearingless seal shaft assembly disposed in the bore which prevents coolant from leaking out of the body around the rotating pump shaft. The outer end of the pump shaft and the drive shaft are designed to be quickly disconnected to allow simpler, easier, less expensive interconnection of or replacement of the coolant pump, should that ever be necessary.

Abstract: A fixing device for an inside rearview mirror of a vehicle comprises an arm having a lower end articulately connectable with a mirror supporting frame of a rearview mirror and an upper end mountable on a vehicle ceiling, and means for mounting the upper end of the arm on the vehicle ceiling and formed as a coupling, the coupling including a first coupling part having a substantially horizontal plate, two side wings extending substantially vertically from the plate, a front wing and a rear end which is open, the first coupling part being also provided with two fitting guides extending on and along the horizontal plate and each including a T-shaped wing section and a rib located between the wing section and a respective one of the side wings, the first coupling part being also provided with a U-shaped spring having a transverse branch and two parallel side branches, the coupling further including a second coupling part having a base plate fixable to the ceiling of the vehicle, an inverted U-shaped central rib a

Abstract: A system for interlocking a plurality of modules, such as medical instrument modules (e.g., infusion pumps), in side-by-side relationship such that not more than one module can be mounted on each side of a center module. The modules are interchangeable in that any module of the system can be a center module or a side module. In the preferred embodiment, latching arms on a module are automatically moved as the module is mounted on a pole stand to allow other "side" modules to be mounted on that "center" module. The latching arms of the "side" modules prevent additional modules from being mounted on the side modules. Other embodiments are described as well.

Abstract: An oral hygiene device has a handle and an automatic stem insertion system and comprises a pair of keys on the motor driven shaft. A bore receives the shaft, and slots receive the keys. A pair of sleeves each having a ramp for receiving and engaging the keys. When coupling the stem to the handle and with a camming action of the keys on the ramp, the ramps guide the keys into the slots. A radially extending flange is on the base of the shaft; and a pair of flexible arms having a recess receive the flange. Upon coupling the stem to the handle, the flange engages the arms and flex the arms outwardly and further movement of the stem onto the handle causes the flange to enter the recesses with a snap action; and upon withdrawal of the stem from the handle, the flange causes the arm to flex outwardly to release the flanges from the recesses.

Abstract: In order to allow a first element (2) and a second element (1) to be tightly clamped together, and yet be easily and quickly unclamped for adjustments to be made to their relative positions, a rotatable clamp is provided. The rotatable clamp comprises three main parts: a first circular plate (4) attached to the element (2) and having a bolt (5) extending from the center thereof, a second circular plate (6) attached to element (1) and having a bolt hole (7) at the center thereof and a nut (8) having a handle (9) attached thereto for screwing onto the bolt (5) so as to force the two circular plates together. Each of the two plates (4) and (6) is provided, on the face contacting the other plate, with a series of circular, concentric grooves (12) and ridges (13) arranged to fit together with the ridges of one plate fitting into the grooves of the other plate as the plates are brought into contact with each other.

Abstract: A seamed metal roof is formed from an array of panels having lateral edges interconnected by rolled seams, and a plurality of clamps, each comprising a first elongate part having a mating surface, a longitudinal recess having dimensions like those of the seam, a second elongate part having a mating surface opposing the recess and the mating surface of the first part, and a fastener for drawing said parts together, to confine the seam in the recess.

Abstract: A plug connector for use in a computer system comprised of an upper shell side-hinged to a lower shell by a connecting portion. The upper shell has pins respectively inserted into pin holes on the lower shell, a pair of opposite eye end posts side-matched to a pair of opposite eye end posts on the lower shell respectively and retained together by respective screw bolts, a pair of opposite semi-circularly notched upright blocks end-matched to a pair of opposite semi-circularly notched upright blocks on the lower shell in providing two round holes respectively aligned with the eye end posts for inserting and supporting the screw bolts.

Abstract: The wheel (10), which is made from a composite material having a ceramic matrix comprises a hub that bears a drive gear (16) formed of teeth (20) that extend radially on one of the wheel's surfaces (10a). Each tooth is asymmetrical with respect to the meridian plane (21) that passes through its apex, and has first shoulder (20b) that subtends an angle a, preferably between 15.degree. and 45.degree., relative to that plane, and a second shoulder (20c) that subtends an angle b, preferably between 55.degree. and 85.degree., relative to that plane. Advantageously, the sum of the two angels is at least equal to 100.degree.. The turbine wheel has an improved resistance against inter-laminar shear stresses that result from tightening to a drive gear wheel.

Abstract: A display frame having a transparent viewing area comprising a face plate and a back plate provided with a tongue and groove engagement when assembled, adhesive material in the groove whereby to form a sealed chamber within which a picture and/or indicia are displayed, and a desiccant material in communication with the sealed chamber, thereby providing indefinite protection against moisture and dust.

Abstract: A built-up screen coupling structure, comprising at least two screen board frames side matched together by a plurality of fastening devices and at least an adjusting device. The screen board frames have each at least a side end having a slot at the top and a plurality of relatively smaller openings at the outer side. The openings are respectively divided by a plurality of dividing boards. The fastening devices are respectively fastened in the openings and clamped on the dividing boards to connect two screen board frames together. The adjusting device is fastened in the slot to secure the connection.

Abstract: A newspaper delivery tube and mounting bracket for protecting the newspaper from the elements. The newspaper tube has a mounting surface that keys to a mounting bracket without fasteners or tools. The mounting bracket has a vertical leg adapted to be fastened to a post and a horizontal leg that is self-mounted to the delivery tube.

Abstract: Interlocking surface elements are created in such a way that there is almost 100% engagement between the surfaces, so that they positively lock together, and will not cam with respect to each other. Each element comprises a number of uniformly dimensioned semi-conically shaped surfaces emanating from a common center and disposed in an alternating inverted configuration. Each surface has first and second edges extending in a longitudinal direction. A flat surface of substantially constant dimension in a plane substantially perpendicular to the longitudinal direction connects the first and second edges of adjacent, alternately inverted, semi-conically shaped surfaces, so as to maximize the engagement area between the elements. The elements may be of vacuum formed plastic, molded plastic, or metal stampings. They may be circular (e.g. disc shaped) in plan, and the semi-conically shaped surfaces may all be hollow.

Abstract: The drawer comprises metal side walls, which define the drawer on its sides and are provided each at its bottom with an angled carrying flange for supporting a bottom plate of the drawer, wherein retaining elements which have been lanced from the carrying flanges extend into receiving recesses of the bottom plate.

Abstract: A rotation transmitting mechanism for a steering wheel for use in an automobile. A rotational member of a coupling device has projections extending radially inwardly, while a cancel cam has corresponding U-shaped cutouts to receive the projections, respectively. Each projection has a tapered section tapering off to a bottom end thereof. A peripheral face forming each U-shaped cutout is rounded so that an outer surface of the cylindrical cancel cam is connected with an inner surface by a rounded perhipheral face forming the cutout.

Abstract: A locking arrangement and method of locking a plurality of plate members (1) (FIG. 5) to a base surface, the base surface being provided with a plurality of locking anchors (5) provided in spaced apart relationship thereon. The locking arrangement is particularly suitable to eliminate the requirement for welding wear plates to equipment such as earthmoving equipment, washery and crushing equipment.

Abstract: A push broom including a handle and a brush block assembly characterized by latching means in the form of a metal plate cooperating together with the handle and the brush block to maintain the handle in the sturdy and properly interlocked position to the brush block so as to eliminate loosening or falling out of the handle.

Abstract: A fastener feeding machine is provided with a plurality of fluid powered escapements for selecting and delivering fasteners in a predetermined sequence and orientation. The fastener feeding machine includes a manifold body with individual mounting stations at which the escapements are positioned. The manifold body includes a plurality of ports located at the mounting stations to communicate with the escapements and thereby provide for control of the escapements through a central pressurized fluid supply. An escapement mounting arrangement on the manifold body allows for quick detachment of the individual escapements, and simultaneous sealing of individual ports upon re-attachment.

Abstract: A stripper apparatus retains a workpiece in position relative to a punch press apparatus during the punching operation without marking or damaging a contacted surface of the workpiece. The stripper device is an axially elongate, resiliently compressible sleeve with a through axial bore which freely passes over the punch permitting the punch to travel therethrough. The stripper device removably attaches to a coupler or coupling portion which is also used to attach the punch to a punch stem of the punch press apparatus. Removable attachment is achieved utilizing keyways formed in the coupling portion and matingly engagable keys integrally formed on a corresponding surface of the stripper device. Additionally, peripheral flanges are integrally formed on the stripper which mate with the outside surface of the coupling portion to provide greater retention of the stripper device on the coupler.

Abstract: A card display holder apparatus for a display item includes a clear base panel having a top surface and a bottom surface and a top surface area greater than the display item. The top surface has a recessed portion for containing the display item. A clear cover panel also has a top surface and a bottom surface with a bottom surface area greater than the display item. Mechanisms for slidably engaging the cover panel with the base panel and for locking the cover panel to the base panel are also provided. An attachable device is provided for standing the holder upright and adjusting the viewing angle.

Abstract: A apparatus for joining a pair of molded plastic pieces and an interference fit joint including a plurality of pegs on a first piece and a plurality of elongate sockets on a second piece. The elongate sockets have a first dimension less than 1.0 times the diameter of the pegs to achieve an interference fit and a second dimension of at least 1.25 times the diameter of the pegs. This invention has particular utility in the manufacture of disposable laboratory slides.

Abstract: An apparatus having two slide supports, adjustable with respect to one another, which have attachment surfaces for attaching two holding devices. The balance of the holding devices attached to the attachment surfaces of the slide supports are compensated by having the slide supports each divided into a slide support base plate and an attachment plate with the attachment surface. The attachment plates are connected in a limited adjustable manner with the slide support base plates under spring tension using spring-stressed bolts oriented perpendicular relative to the attachment surfaces. The attachment plate of the first slide support is adjustable in a limited manner through use of an adjustment bolt oriented perpendicular relative to the direction of adjustment of the slide supports on the coordinated slide support base plate.

Abstract: A first coupling device is particularly destined for a dispersing apparatus and comprises a first coupling part having a flange and a tubular connecting piece fixed thereto, the connecting piece having at least two borings for receiving one ball each, and a concentrically surrounding, free moving ring. The diameter of the boring is slightly greater than that of the balls, but in the vicinity of the inner surface of the connecting piece, it is slightly smaller so that the balls may in part protrude into the interior of the connecting piece. The lower portion of the ring has an inner circular recess so that, when the ring is raised, the balls may travel backwards into the circular recess. The second coupling part is adapted to be introduced into said connecting piece and has circular recesses for receiving said balls.Another coupling device for the slippage free connection of high speed rotating shafts of dispersing apparatuses comprises two coupling parts which both have six teeth whose flanks are of 60.

Abstract: Disclosed is a kit of low cost, light weight, corrosion resistant components, including a plurality of extruded members, certain ones of which components are factory preassembled into climbable and unclimbable tower units selected one of which are adapted to be rigidly connected end-to-end by overlapping couplings into a tower at an installation site to support a power line or other load. The couplings and the overlapping surfaces of the tower units have teeth that mesh to lock the couplings in place. The tower is specially suitable for erection in confined areas to heights in excess of one hundred feet to support power conductors. A number of components are selectively attachable to the tower in a wide variety of ways to support high tension insulators in suspension and/or cantilever fashion and to anchor guy cabling to the tower.

Abstract: A disc clutch for use in drive lines of automobiles, including a flange ding member and a yoke driving member, one flange having a through hole and the other flange having a cam with threaded bores as well as bored steps. Torque transmission is effected via toothed portions with trapezoidal teeth whereas axial fixing is achieved via fixing bolts.

Abstract: A connector aassembly for releasably joining a first structural member and a second structural member. The connector assembly includes a female connector component carried by the first structural member including a window having first and second ends, an outside surface and an inside surface, a cam wall positioned adjacent the first end and recessed from the outside surface, and a deflector positioned adjacent the second end and the inside surface. The cam wall has a ramp surface which converges with the outside surface away from the second window end. The assembly further includes a male connector component carried by the second structural member. This component includes a male member for reception in the window and a stem joining the male member and the second structural member. The male member is resilient and has a head with an undersurface for riding on the ramp surface along with a tail extending rearwardly from the head. The head and tail have a generally coplanar outside surfaces.

Abstract: A longitudinally adjustable rod coupling 1, especially for connecting rod fittings for windows, doors, or the like, in which one connecting rod has a U-shaped coupling shoe with fine teeth at the insides of its legs. The other connecting rod is equipped on two narrow sides with a complementary fine teeth which can engage in the fine teeth of the shoe. The cross-section of the connecting rod is reduced in thickness in the region of the coupling shoe and correspondingly enlarged in width. The fine teeth have their profiles extending transversely over the total width of the portion of the connecting rod, section that is reduced in thickness. The lateral wings of the said connecting rod section that is reduced in thickness, which wings project beyond the width of the normal connecting rod cross-section, are bent approximately 90.degree. to the plane of the connecting rods and form the legs of the coupling shoe.

Abstract: The invention relates to a wheel bearing/constant velocity joint unit having a double row bearing 2 which has been provided with at least one inner bearing ring 12 which is separate from the wheel hub 1. The wheel hub and the outer part of the constant velocity joint are form-fittingly and non-rotatingly connected to each other by spur teeth. The spur teeth at the wheel hub are preferably produced by orbital pressing or orbital forging, and while the forming process takes place a collar is produced at the wheel hub which serves for axially tensioning the inner bearing rings, at least the one of the joint end.

Abstract: The sports wheelchair includes a frame portion (A) having left and right side frame portions. Rear wheel assemblies (B) are connected with the left and right side frame portions such that the rear wheels are connectable to the frame in any one of a plurality of positions and with an adjustable camber. A pair of front wheel assemblies (C) selectively interconnect front wheels with the frame with any one of a plurality of adjustable height, inward-outward, and forward-aft positions. An operator supporting seat (D) having a segmented center portion and an outer portion is selectively interconnected with the left and right side frame portions. A folding mechanism (E) enables the left and right side frame portions to be folded together for easier transportation and storage.