Abstract: An electrical submersible pump has a stack of diffusers within the housing, each of the diffusers having a conical upper shoulder and a conical lower shoulder. The lower shoulder of each of the diffusers is in abutment with the upper shoulder of an adjacent one of the diffusers. The upper and lower shoulders of each of the diffusers slope downward and outward relative to the axis. Impeller hubs have conical upper and lower ends. At least some of the upper ends of the hubs abut and transfer up thrust to the lower end of an adjacent one of the hubs. At least some of the lower ends of the hubs abut and transfer down thrust to the upper end of an adjacent one of the hubs.

Abstract: A collapsible support structure includes a horizontal support structure, a vertical support structure, a handle assembly, and an axle assembly. In use, the collapsible support structure may be folded/unfolded between a deployed configuration, in which the collapsible support structure may be capable of rolling along a support surface to transport items, and a stowed/storage position, in which the collapsible support structure is collapsed in a compact geometry for storage. The collapsible support structure includes an axle assembly that enables removal of the wheels from the axle assembly for storage, as well as a handle assembly that can slide completely underneath the horizontal support structure for storage and when not in use.

Abstract: Provided are a connecting structure and a hydraulic drive device capable of simply and reliably connecting two shaft bodies together while appropriately preventing rotation and runout therebetween. The connecting structure includes a first shaft body and a second shaft body connected to each other at respective end portions and provided so as to be rotatable integrally with each other about a rotation axis. An anti-runout support portion of the first shaft body and that of the second shaft body are engaged with each other so as to restrict relative movement between the first and second shaft bodies with respect to a radial direction. An anti-rotation support portion of the first shaft body and that of the second shaft body are engaged with each other so as to restrict relative movement between the first and second shaft bodies with respect to a rotation direction about the rotation axis.

Abstract: Embodiments disclosed herein relate to a steering column of a vehicle. The steering column includes an input shaft having a first end connected to a steering shaft and an outer peripheral surface, to which a torque sensor is coupled; an output shaft connected to a remaining end of the input shaft and having an outer peripheral surface, to which a worm wheel is coupled; and a bearing module having an output shaft bearing configured to support the output shaft on an inner peripheral surface thereof, the bearing module sliding to be coupled to a gear housing in which the input shaft and the output shaft are housed.

Abstract: A welding system includes a welding wire feeder, and the welding wire feeder includes a motor and an adjustable drive shaft assembly. The motor is and configured to rotate a feed roll with respect to the wire drive assembly housing. The adjustable drive shaft assembly is coupled to the motor and configured to couple with the feed roll. The adjustable drive shaft assembly includes a drive mechanism configured to urge rotation of the feed roll and to adjust a position of the feed roll relative to the wire drive assembly housing.

Abstract: A support post includes a first tube with a first support face at its end and at least one groove in the first support face. The support post further includes a second tube with a barrel at its end having a diameter smaller than the first tube and dimensionally matched to a hole in the first support face. The second tube further includes at least one track on the barrel that engages the at least one groove and at least one hook on the barrel that engages a flange in the interior of the first tube. The second tube further includes a second support face at an end of the barrel that engages the first support face. The components are dimensioned so as to form a tight fit between the first and second support faces and the hook and flange to prevent bending motion between the first and second tubes.

Abstract: The present disclosure provides a back plate splicing structure for large-size backlight modules. The back plate includes a bottom flat plate and a splicing member joined to an end of the bottom flat plate, wherein the splicing member includes a side plate, and an upper supporting plate and a lower supporting plate configured on a same side of the side plate; the upper supporting plate, the lower supporting plate, and the side plate cooperatively define a clamping opening clamping the bottom flat plate therein; the upper supporting plate fixes the bottom flat plate in the clamping opening, and at least one fixing screw is configured between the bottom flat plate and the splicing member.

Abstract: A panel mounting system and method of securing a panel to a vertical surface. The panel mounting system, which may be used in a point of sale (POS) display, includes a panel having a channel open to a rear surface of the panel. The channel has a top surface configured to engage a portion of a horizontal cleat and a bottom surface. A channel access opening allows a security cleat to be inserted into the channel through the rear surface of the panel. The security cleat is then repositioned laterally along the axis of the channel, thereby engaging the top and bottom surfaces of the channel and securing the horizontal cleat to the panel. The panel may be decoupled from the horizontal cleat by simply repositioning the security cleat to the channel access opening and removing the security cleat.

Abstract: An assembled structure with connectors is disclosed. The connector includes a first unit and a second unit. One side of the first unit extends to protrudingly form a plurality of protruding ribs that define a plurality of horizontal and vertical long connecting slots, and the first unit and second unit engage with each other. Also, a plurality of engaging slots are formed between the first unit and second unit, and the other side of the second unit has elongated slots. Thus, a board is connected with the connector at four corners of the board, and the first unit has long connecting slots that are used to circularly form a square frame. A backboard is connected with the engaging slot and the board to form a usable assembled structure.

Abstract: A gear attachment structure receives rotation of a handle assembly. The gear attachment structure includes a traverse cam shaft and a driven gear. The traverse cam shaft includes a shaft body, a gear support portion and a gear engaging portion. The gear support portion includes intersecting helical grooves on the outer peripheral surface. The gear support portion is disposed on an end of the shaft body and has a circular cross-section. The gear engaging portion includes a pair of circular-arc portions and a pair of straight portions. The circular-arc portions are opposed to each other while being either disposed along and within the outer periphery of the gear support portion or disposed radial outwards of the gear support portion. One of the straight portions is coupled to one ends of the circular-arc portions whereas the other of the straight portions is coupled to the other ends of the circular-arc portions.

Abstract: A cushion structure for a bicycle contains a body and a bottom tube. The body includes a circular inserting seat. The inserting seat includes a plurality of crossed support ribs extending radially from a center thereof and connecting with an outer rim thereof and formed in a cross shape. The bottom tube includes a connecting portion disposed on one end thereof. The connecting portion includes a circular inner hole corresponding to the inserting seat and includes a plurality of retaining slots formed therein corresponding to the support ribs.

Abstract: A connection assembly is provided for interconnecting to a frame. The connection assembly including a generally flat plate. The plate is defined by an inner face, an outer face and a first pair of bolt-receiving bores therethrough. The pair of bolt-receiving bores extend between the inner face and the outer face along bore axes at acute angles to the outer face. A first lip extends from the inner face of the plate along a first axis and a second lip extends from the inner face of the plate along a second axis generally perpendicular to the second axis.

Abstract: A shaft such as a worm drive shaft for a movable barrier operator is disclosed. The shaft includes at least two shaft segments having connection ends. The shaft segments include respective connection ends permitting a first connection end to be joined with a second connection end by inserting a portion of at least one of the connection ends within the other connection end along the longitudinal axis of the shaft. The shaft segments may be retained by a resiliently expandable connector such as a snap ring. The connector may expand to permit the joining and then contract to be received within a surface recess on a connection end. The connector may be part of or pre-assembled on a connection end, such as by being positioned within a surface recess thereof. The connector may provide a pre-determined position for joining the first and second connection ends.

Abstract: The present invention relates to adaptable leg supports for bipod assemblies and more specifically to an adaptable leg support assembly that is pivotable with respect to the legs of the bipod to maintain complete contact with the supporting surface as the weapon is rotated, removable to allow the adaptable leg support assembly to be sued with multiple bipod assemblies, and adaptable for use on different surfaces by changing the foot portion of the adaptable leg support assembly that actually contacts the supporting surface.

Abstract: A gear-rolling apparatus includes two gear units and a base. Each gear unit has a rolling portion, a rolling shaft extends from the rolling portion, a clicking column and two location columns extend from edges of a free end of the rolling shaft along an axle direction of the rolling shaft. The clicking column and the two location columns are spaced out from each other to form three grooves therebetween, a clicking clasp extends inward from the top of the clicking column. The clicking clasp has an inclined inner surface which inclines inward from top to bottom. The two rolling shafts are inserted into the hole of the base, the clicking column of one of the rolling shafts mates the groove opened between the location columns of the other rolling shaft, the location columns of one of the rolling shafts mate the grooves opened between the clicking column and the location columns of the other rolling shaft respectively, bottom surfaces of the two clicking clasps are against each other.

Abstract: A rear loaded part for attaching to a mounting plate having a mating part with a pair of parallel side walls each having a proximate end attached to the mounting plate. An upper surface, which extends between the pair of parallel side wall, includes an aperture and an elongated rib extending parallel to the pair of parallel side walls. The rear loaded part having a pair of parallel guide rails with a proximate end and an opposite distal end. The pair of parallel guide rails extends outwardly from the rear loaded part to define an elongated channel which is dimensioned to receive the elongated rib of the mating part. A pair of tabs extends outwardly from the pair of guide rails, and are dimensioned to snap into the aperture of the upper surface to releasably lock the rear loaded part to the mounting plate.

Abstract: An improved method and system of temporarily attaching a frame to a masonry building structure. A circular base mount is inserted into a circular sleeve, that has been pre-drilled into masonry by a coring bit. The masonry core is left in place. The circular base has contact with the inner surface of the core, the outer surface of the core, and the top of the core. Adhesive is used to permanently cement the base mount to the masonry core, providing abundant surface area for extra holding power. The base mount has a hooked top web for permanent or temporary connection to a female mount that is held in place to the base mount by rotation and locking. The female mount can be attached to a shutter, providing protection against hurricane winds.

Abstract: The invention relates to a connection arrangement in which two parts can be coupled to a corresponding engagement means without play. A connection device having at least one elastically resilient portion is located in the engagement region of the two engagement means, the elastically resilient portion being stressed based on the coupling of the two parts due to deformation such that the two parts are in mutual engagement without play. Furthermore, a latch element is formed at the elastically resilient portion or at another resilient portion in the engagement region of the two engagement means. The latch element serves as a transport lock and as an installation aid and latches the second part in a predetermined relative position with respect to a third part before the coupling of the two parts.

Abstract: A set (10), including a first component (12) having one or more stub portions (16) extending from the first component (12), the one or more stub portions (16) being formed with at least one set of radially extending teeth (22) separated circumferentially by troughs (24), and a second component (14) having a socket portion shaped to receive one of the stub portions (16), wherein peripherally spaced formations (30) are provided on an interior surface of the socket portion. The stub portion (16) is able to be received within the socket of the second component (14) by aligning the teeth (22) of the stub portion (16) between the formations (30) of the socket, and wherein the stub portion and socket are thereafter connected by relatively rotating the first (12) or second components (14) such that the teeth (22) of the stub portion engage the formations (30) of the socket to couple the first and second components together.

Abstract: A connector profile unit for connecting a panel to another panel or to any other element, wherein the profile unit includes a first end segment, a second end segment and a middle segment in between attached to both end segments, and wherein each of the two end segments has a mouth in the shape of an open channel, each mouth having a pair of lips, the inner faces of the lips are smooth along the channel. The lips are made of a flexible plastic material and at least the two end segments are made of at least a semi-rigid plastic material, all three segments and the lips being co-extruded as a single, integral unit. Of the two end segment channels one is sized for receiving a first enclosure panel and the other is sized for receiving a second enclosure or any other element.

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: An object clamp includes first and second clamp portions having recesses therein defining a generally circular cylindrical opening for receiving an object to be clamped. The first and second opposing clamp portions have at least one pair of opposing ends when in a preclamped state and at least one fastener for urging the ends towards each other when in a clamped state. At least one relief area is formed in the recesses and is deflected into engagement with the object when the object clamp is in the clamped state. The object to be clamped may be a bicycle steering tube, a bicycle handle bar, or a bicycle seat tube, for example.

Abstract: An arrangement for assembling two parts by screw-fastening, includes a horizontal flat first part including a housing which extends axially along a screw axis contained in the horizontal plane of the first part and which houses the screw and the nut, at least part of which collaborates with a thrust surface of the housing so as to immobilize the nut axially when a tightening force is applied, and a vertical second part orthogonal to the first part including a first and a second bearing surface which bearing surfaces, in the assembled position, collaborate one of them with a reaction surface of the first part and the other with a clamping surface of the screw whose threaded shank passes through the second part in such a way that part of the screw applies an axial clamping force to the second bearing surface in order to immobilize the first and second parts.

Abstract: A room service table includes a frame, a tabletop including folding side portions and wheels. A push handle assembly mounts to an underside of the table and includes a handle portion and a hinge body portion. The handle portion includes a grip, a support portion and a hinge pin portion. The hinge body mounts to the tabletop and includes barrel portions supporting the hinge pin portion. The hinge pin portion has a tab formed in an end thereof engaging a complementary slot formed in the hinge body portion. The slot includes a first section and a second section that receive and retain the tab for aligning and securing the handle at the use position and at the storage position. The biasing member urges the pin toward the slot. Rotation is accomplished by sliding the handle axially so that the tab disengages the slot and rotating the handle to the desired position and then releasing the handle.

Abstract: In a preferred embodiment, the present invention provides a vehicle mounting bracket having an adjustable linkage mounting portion. The mounting bracket is fixed to the vehicle and the linkage system, while adjustment bolts on the mounting bracket allow the user to adjust the vertical height of linkage relative to the vehicle. Scalloped adjustment joints of the linkage allow a user to modify the joint angle while effectively increasing or decreasing the length of the linkage members.

Abstract: A construction element has at least one coupling device and the coupling device has at least two prongs. Each prong is comprised of two radially extending mating surfaces which frictionally engage the radially extending surfaces of a mating coupling device. The construction device may have a straight shaft or an angled shaft to accommodate the needs of the user and, furthermore, the prongs of a coupling device may be inserted within mateable apertures in the shaft of another construction element. Using a plurality of such construction elements, a lattice frame may be constructed.

Abstract: A packable cart includes a pair of telescopic side rails with cross members removably positioned therebetween. A pair of wheels are received by the side rails for transportation. A pole handle extends from the ends of the side rails opposite the end near which the wheels are positioned. The packable cart is made of lightweight material and readily assembled and disassembled. A backpack is provided for receiving the cart in its disassembled state. The backpack also serves as a sling between the side rails which, when provided with an inflatable mattress, provides a bed rest. The pole handles are selectively rotatable to serve as support legs when it is desired that the cart be immobile and serve as a bed. The quick assembly of the cart is achieved, in part, by the provision of pin assemblies fixedly received by and operative in association with the cross members.

Abstract: A furniture assembly system utilizes upright members having a pair of protruding hook portions that cooperate with a similar pair of hook portions of another upright member and mutually interconnect through slots in a shelf to hold the shelf in place. A plug inserts into an aperture formed by the interconnecting hook portions to hold the upright members in place and secondarily to provide further support to the shelf.

Abstract: A construction assembly in which a plurality of interconnected three-dimensional elements each has at least one wall and the elements are connected by loops or tongues of material of one element extending into windows of another element and held in place by pins of sheet material engaging through the loops and bearing upon the walls formed with the window from the side opposite that through which the loop was inserted.

Abstract: A unique and simple method for attaching a steering wheel to a steering shaft includes a pair of securement members. The steering shaft is provided with a slot extending into an enlarged space. The first securement member extends across a bore in the steering wheel, and is threadably received in the second securement member. The steering wheel can be moved onto the steering shaft with the first securement member moving through the slot and into the space. The first securement member can then draw the second securement member into the space. Preferably, there is a tapered interface between the second securement member, the steering wheel, and the steering shaft. The tapered surface drives the steering wheel downwardly onto the steering shaft such that a wedge-lock is provided. In a further feature of this invention, an outer housing surrounds the steering shaft. The outer housing has a pair of spaced slots.

Abstract: An open end of a hollow cylindrical body receives part of a cylindrical component, where the hollow cylindrical body and the cylindrical component each having a groove, the grooves being aligned when the cylindrical component is in its intended final position with respect to the hollow cylindrical body, so that a locking ring is captured by the two grooves. The cylindrical component works together with the hollow cylindrical body to form a ring-shaped space, which extends from one of the two grooves toward the open end of the hollow cylindrical body, thus offering access for a tool to move the locking ring into its intended final position.

Abstract: A wire feeder comprises a feedroll with through slots that open into a bore and that extend between the feedroll ends. The feedroll has blind slots in the ends that also open into the bore. A shaft on the wire feeder has a radial pin. The feedroll is assembled on the shaft by angularly aligning the through slots with the pin and pushing the feedroll onto the shaft against a spring until the feedroll is past the pin. The feedroll is rotated on the shaft until the blind slots align with the pin. Then the feedroll is released to enable the blind slots to engage the pin under the force of the spring. The feedroll may be assembled to the shaft either in a manner that takes up any end play of the shaft, or that enables the feedroll and shaft to float through the end play.

Abstract: A joint system for use in joining components, such as wood, and the like, to form a structural unit. An exemplary joint system has a first member with a predetermined shape, first and second opposed surfaces, and a first predetermined thickness. A cavity is formed in the first member that has an inner contour in the shape of a piece of a puzzle or a molar tooth, for example. The cavity is exposed at the first surface of the first member and along a portion of an edge of the first member. The cavity has a depth that extends a predetermined distance below the first surface of the first member. A second member is provided that has a predetermined shape, first and second opposed surfaces, and a second predetermined thickness. The second member has a tab with an outer contour that substantially matches the inner contour of the cavity in the first member so that the tab fits within the cavity.

Abstract: A plural cavity toroidal transmission is designed to permit transmission of great torque between output side disks and a sleeve while maintaining a thickness of the sleeve. To this end, convex portions are formed on outer surfaces of the output side disks and concave portions are formed on edge portions of both axial ends of the sleeve. By fitting the convex portions into the concave portions, synchronous rotations of the pair of output side disks and transmission of rotation from the output side disks to an output gear can be achieved.

Abstract: This invention provides an apparatus, method, and system to arrange a deck or balcony with the use of pre-manufactured deck panels. The deck panels are inexpensive, easy to install, remove, or add to, and only requires common framing hardware.

Abstract: A shaft coupling for connecting two shaft ends to transmit torque. Each shaft end has a recess or a projection. A projection on one shaft end projects into the recess in the other shaft end and their cooperating side walls transmit torque. A centering device at one shaft end cooperates with a centering device on the other shaft end for axially aligning the shaft ends. These may be a cylindrical projection one shaft end and a corresponding recess in the other shaft end. Alternatively, the centering devices are recesses in both shaft ends and a pin that extends into both of the centering recesses. Applied elastic material on at least one of the centering device elements enables secure attachment between the shaft ends.

Abstract: A wooden floorboard assembly has a foamed plastic layer, a carpet layer disposed on the foamed plastic layer, at least a first and a second wooden floorboards. The first wooden floorboard has a first wooden plate, a first hook-and-loop-type fastener pad adhered on a bottom of the first wooden plate, and the first wooden plate having a first protruded portion and a first recessed portion. The second wooden floorboard has a second wooden plate, a second hook-and-loop-type fastener pad adhered on a bottom of the second wooden plate, and the second wooden plate having a second protruded portion and a second recessed portion. The first recessed portion of the first wooden plate engages with the second protruded portion of the second wooden plate.

Abstract: Hurricane shutter hardware for patio doors, picture windows, and other large openings on a house. The hardware consists of mounts that are permanently attached to a house, and brackets that are mounted to a shutter cover. The mounts are composed of unique metal bends that are configured to fit on a wide variety of homes and lock onto the brackets which are attached to shutters. The brackets have distinctive shapes which allow almost any type of material to be used as a shutter cover. The mount and bracket are quickly and easily locked together after a hurricane warning, covering a window with a shutter.

Abstract: A linkage component (22) for a vehicle includes a rod portion (60) which extends between opposite end portions (56 and 58) which are connected with the vehicle. The rod portion (60) of the linkage component (22) has a seam (64) which is held in a closed condition by interlocking projections (72) and recesses (78). The linkage component (22) is formed from a single piece of sheet metal.

Abstract: System for connecting section boards, particularly panel-like elements having rectangular greater surfaces and horizontal greater sides to form partition walls includes two metal sections intended to connect a lower sectional board to an upper sectional board, one metal section being attached to the upper greater horizontal side of the lower sectional board and the other metal section being attached to the lower greater horizontal side of the upper sectional board, said metal sections being connected to each other by means of a tongue-and-groove joint and forming, once they are connected together, a recessed portion extending along the greater horizontal side of the sectional boards and intended to receive and hold therein a corresponding portion of an element or fixture intended to project or to hang from the partition wall.

Abstract: A coupling for attaching a tool to a chuck includes a steel body substantially in the shape of a rectangular prism. The body includes an electrode end for attachment to an electric discharge machine electrode. The body also includes a chuck end opposite the electrode end for releasable attachment to a chuck mounted to an electric discharge machine, the chuck having four protrusions extending therefrom for alignment of the coupling relative to the chuck. The chuck end defines a substantially planar surface and four substantially rectangular channels for receiving the protrusions. The channels extend into the body from the surface and are arranged in a substantially X-shaped pattern. Each channel includes two outwardly elastically moveable side walls. Each channel also includes an slot adjacent and parallel to each side wall for enabling outward movement of the side wall. Each slot extends into the body from the surface.

Abstract: In a system for jointing together of adjacent pieces of flooring material by means of grooves (3) and tongues (4), at least one of the opposing surfaces on the tongues (4) and the grooves (3) of the pieces display flocked surface portions (10-13). The flocked surface portions (10-13) extend along the tongues (4) and/or the grooves (3) and cover substantially their entire length. The fiber length (9) of the flocked surface portions (10-13) exceeds the difference between the width of the grooves (3) and the thickness of the tongues (4).

Abstract: The invention relates to a thermally efficient and low maintenance enclosed structure, such as a sunroom, made from a framework of joined structural members, thermally insulating kick panels, windows, optional door assembly, optional skylights, and a roof. The structural members include reinforced and non-reinforced polyvinyl chloride extrusions. The structural members are joined together at joints using hardware which cannot be seen from inside or outside the enclosure thereby enhancing the aesthetic appeal of the enclosure. Machines for making the enclosure from a small number of extruded profiles are also described.

Abstract: A plastic clip, a plurality of which are employed to attach a plastic or fabric material to wire frame garden structures and wire fences, is formed in the general shape of a cylindrical shell, open at one end and closed at the other end, a peripheral wall of the shell having a pair of diametrically opposed slots formed longitudinally therein, each of the slots being tapered and terminating at an interior end thereof in a circular notch portion having a diameter slightly larger than the width of the tapered slot at its narrowest point. Each plastic clip may be quickly snapped into place over the plastic or fabric material and onto a wire member of the wire frame structure or wire fence. At such time as it is desired to remove the installed plastic or fabric material, each of the plastic clips holding it in place may be quickly and easily unsnapped from the wire member to which it was previously attached.

Abstract: There is disclosed an improved thermal printer with a rigid frame made from a main frame plate with compound bends and a base plate, record member supply roll mounting and guide devices, an ink ribbon and record member web feed control system, a print head assembly, and improved ink ribbon cores and spindles.

Abstract: A stand mixer comprising a lower housing with a support rotatably mounted thereto and a mixing bowl removably connected to the support. Between the mixing bowl and the support is a self-locking connection. The self-locking connection comprises the support having an aperture and the mixing bowl having a member fixably connected to the mixing bowl. The member fixedly connected to the mixing bowl is adapted to be inserted into the aperture of the support. The member has an engagement surface formed therein. The support has a cam surface. Rotation of the support drives the cam surface upon the engagement surface of the member. This rotates the member in unison with the support and cams down the mixing bowl against the support to lock the mixing bowl to the support.

Abstract: A construction system where elements have connection components for a ball-to-socket or socket-to-socket connection. The ball-to-socket connection "locks" at orientations when one or more detents in the interior of the socket protrude into one or more of a plurality of dimples on the ball. The construction elements generally have an elongated body with a dimpled ball at one end and a socket at the other end, or dimpled balls at both ends, or sockets at both ends. In addition to the ball-and-socket connection, elements may connect in a socket-to-body connection, or a number of different types of socket-to-socket connections. The socket has at least two petals with a lip contour such that in one type of socket-to-socket connection the pair of sockets interlock to form a sphere. The irregular shape of the lip of the socket allows a ball to be leveraged out of a socket, and make orientations over at least 2.pi. steradians available in a ball-to-socket interconnection.

Abstract: There is disclosed an improved thermal printer with a rigid frame made from a main frame plate with compound bends and a base plate, record member supply roll mounting and guide devices, an ink ribbon and record member web feed control system, a print head assembly, and improved ink ribbon cores and spindles.

Abstract: The rotary pump, which in particular is suitable for use in a continuously variable transmission, is provided with a pump housing and a rotor with a drive shaft. Movable displacement elements are accommodated in the grooves of the rotor. The rotor is surrounded by a cam ring. End faces adjoin the two side faces of the rotor, at least one end face being provided with one or more feed and/or discharge openings. The cam ring, the rotor, the displacement elements and the end faces delimit pump chambers. A rotationally stable compensating coupling, which is mounted in bearings in the pump housing, is arranged between the rotor and the drive shaft. The mounting in the pump housing engages around the compensating coupling and adjoins one running face of the rotor.

Abstract: A cam shaft assembly for an engine has a hollow elongate shaft with a plurality of cam lobes and bearing journals received on and positioned along the shaft in a predetermined spaced apart relationship. The cam lobes are further oriented angularly in a predetermined alignment relative to one another. A radial thrust bearing is received and positioned on one end of the shaft. Each of the elements is secured to the shaft by mechanically expanding the shaft into an interference relationship with an opening in each element. A cam timing gear is fastened to the one end of the shaft by a fastener passing through the gear and into the one end of the shaft. Threads formed on the fastener engage complimentary threads formed on the internal surface of the shaft to allow the cam gear to be torqued down. A recess is formed in the shaft, the cam gear or both for receiving a projection or key which accurately aligns the gear to the cam lobes on the shaft and locks the gear in position.