Abstract: The invention relates to a method for manufacturing cylinders (1) for cartridge cases, carried out in a rotary press machine, wherein a composition (2) of essentially plant origin is made available in a precise volume and weight, the cavities (3) of cylindrical molds (4) adapted to said cylinders (1) are fed with said composition (2), for each cylinder, said composition (2) is compressed in the cavity (3) between on the one hand, two, lower and coaxial, cylindrical dies namely a peripheral die (5), capable of sliding axially in the mold (4) and a central die (6) capable of sliding axially independently in the die (5) and on the other hand, an upper die (7), the distance between the dies (5) and (7) defining the height of the cylinder, and the cylinders obtained are ejected.

Abstract: The invention concerns a device for stiffening a flat component, a process for the production of a flat component, in particular a fiber composite component, and a fiber composite component. The device has a portion for producing a space for receiving a mold core for the transmission of a pressure for pressing the flat component and the device. It is characterised by means for positively lockingly and/or frictionally lockingly positioning the mold core in the space of the device. The process according to the invention includes the following steps: introducing the mold core into the portion of the device, positively lockingly and/or frictionally lockingly positioning the mold core in the portion of the device by means of the means, applying the device including the mold core to the non-hardened material layer or layers, pressing the material layers, and hardening the material layer or layers and joining the device to the material layer or layers.

Abstract: A manifold for delivering molten plastic material into a mold cavity for forming generally cylindrical parts such as food and beverage containers having large aspect ratios. The manifold includes a manifold block, an inlet, and at least two outlets in fluid communication with the inlet. The outlets are configured for injecting molten plastic material into a single mold cavity in order to ensure that the molten plastic material reaches the outermost portions of the mold cavity prior to setting up. The manifold can also be configured to be attached to a second manifold in place of a single outlet on the second manifold.

Abstract: In an injection molding apparatus having a manifold and nozzle assembly, a pin extends through the nozzle and into a mold cavity to define a product feature of the mold cavity and a sleeve extends through the nozzle and circumferentially surrounds a portion of the pin. The sleeve can be moved for controlling flow of molding material through a mold gate and into the mold cavity. The sleeve is aligned with the mold gate by an alignment portion of the nozzle when actuated to open the mold gate. The pin is aligned in the mold cavity by the sleeve.

Abstract: A method in spinning including introducing a first solution comprising a polymer, introducing a second solution comprising a biomolecule, combining the first and the second solution into a mixture, treating the mixture with a sonicator to form a spinning solution, and wet spinning the spinning solution.

Abstract: The process and the apparatus serve for the blow moulding of containers (2). A parison (1) composed of a thermoplastic material is first subjected to heat conditioning along a transport path in the region of a heating section (30). The parison is then subjected to a forming process within a blow mould with exposure to blowing pressure to give heat container. The heat conditioning of the parisons is carried out by a plurality of mutually superposed radiant heaters (41). The blow moulding of the container is followed by wall-thickness measurement at at least one level within the height of the container. The heating power of a radiant heater associated with this height level is controlled. The control system receives a prescribed wall-thickness value as required value and the measured wall thickness as actual value.

Abstract: The invention relates to a method or producing a container from a thermoplastic blank (2), comprising: a step in which the blank (2) is heated using at least one beam (22) of coherent electromagnetic radiation, and a step in which the container is formed from the bank (2) thus heated. The invention also relates to an installation (1) which is used to produce containers (2) and which comprises a unit (16) for heating the blanks (2) in order to form containers from the blanks (2) thus heated. The inventive installation (1) defines a path (23) along which the blanks (2) travel inside the heating unit (16). In addition, the heating unit (16) comprises at least one coherent electromagnetic radiation source (26) which is directed towards a zone (25) that is located on the aforementioned path (23).

Abstract: A method for producing three-dimensional objects from a powder material which is capable of solidification by irradiation with a high-energy beam is disclosed. The method comprises homogeneously pre-heating the powder material by scanning with the high-energy beam along predetermined paths over a pre-heating area so that consecutive paths are separated by a minimum security distance which is adapted to prevent undesirable summation effects in the pre-heating area, and then solidifying the powder material by fusing together the powder material. Apparatus for producing such three-dimensional objects is also disclosed.

Abstract: A process for stripping chemically bonded spinning solvent from a solution-spun nonwoven web comprising the steps of providing a nonwoven web comprising solvent-laden polymeric fibers having average fiber diameters of less than about 1 micrometer, and transporting the nonwoven web through at least one infrared solvent stripping station wherein infrared radiation irradiates the nonwoven web in the absence of a solvent stripping fluid impinging on the nonwoven web in order to reduce the solvent concentration of the fibers to less than about 10,000 ppmw.

Abstract: A method of forming hollow tubular members may include providing a mold defining a surface corresponding to a configuration of the hollow tubular member. A fabric material may be placed in the mold for bonding with a resin to form the hollow tubular member. A bladder may be placed in the mold next to the fabric material to form a substantially air tight region around the fabric material. A pump may be used to apply a sub-atmospheric pressure in the substantially air tight region and thereby press the fabric material against the mold. The sub-atmospheric pressure may also be used to draw the resin material into the mold in contact with the fabric material. Once the resin and fabric material have adequately cured, the hollow tubular member may be removed from the mold.

Abstract: For manufacture of fiber-reinforced components, a positionable base frame is used on which a controllable holding device is provided for gripping and holding at least one reinforced fiber layer. A draping device is provided on the base frame, using which the reinforced fiber layer may be draped onto a mould core via the application of a vacuum.

Abstract: The invention relates to a method and a device for producing a structure made up of at least two bodies in a cavity of a mold defining the structure.

Abstract: A lance nozzle tip for a refractory lance for feeding an additive wire into a quantity of molten metal below the surface of the molten metal surface has a refractory casing and a conduit located within the refractory casing. The refractory casing has a nozzle portion which has a lance nozzle insert. The conduit has a first portion in the nozzle portion and a main portion having a second portion of the conduit. The first portion of the conduit has a passage extending from an inlet end of the first portion of the conduit to an outlet end of the first portion of the conduit. The passage has a diameter for a substantial portion of the length of the first portion of the conduit and a funnel-shaped portion at the inlet end of the first portion of the conduit for guiding the additive wire conveyed through the passage and second portion of the conduit.

Abstract: An apparatus for depositing and separating excess copper dissolved in molten lead-free solder containing tin as the main element is provided. An apparatus 1 deposits excess copper in the molten lead-free solder as an intermetallic compound and separates it from the molten solder. The apparatus includes a deposition bath 2 for causing an intermetallic compound in the molten solder, a metal added from the outside and copper in the molten solder to be deposited, a granulation bath 4 including plates 31 32 and 33 for allowing the molten solder to pass through the plates to merge the intermetallic compounds into particles having a larger diameter, and a separation bath 5 for causing the enlarged intermetallic compounds to precipitate and separate in the molten solder.

Abstract: A vibration damping system (10) includes a laminated body (16) formed by alternately laminating rigid hard plates (12) and viscoelastic soft plates (14). At both ends in the laminating direction, the laminated body (16) is connected to a vibration generation section and a vibration receiving section, respectively. The soft plate (14) arranged in a region subjected to a higher isostatic stress is made thicker than the soft plates (14) arranged in other regions. Even when the vibration damping system (10) is applied with vibration having a large amplitude and prying deformation is thereby caused, the soft members (14) are prevented from isostatic fracture to provide a significantly improved durability of the vibration damping system (10).

Abstract: According to one embodiment, a sheet processing apparatus includes a first supporting member which supports a sheet and drops the sheet, a second supporting member which supports the sheet dropped from the first supporting member, a stacking member which stacks sheets, a first discharge member which discharges sheet from the first supporting member to the stacking member, a second discharge member which discharges the sheet on the second supporting member to the stacking member and a control unit. The control unit controls the first discharge member to discharge the sheet one by one from the first supporting member to the stacking member or to drop the sheet to the second supporting member on the basis of a threshold value or a predetermined value different from the threshold value.

Abstract: A sheet processing apparatus that can process a folded sheet bundle, comprising: deforming processing means configured to perform deforming processing by deforming a folded spinal portion of the folded sheet bundle to form a substantially flat portion along the folded spinal portion; and cutting means configured to cut an edge portion, opposite to the folded spinal portion, of the folded sheet bundle, wherein the distance from the folded spinal portion of a folded sheet bundle to a position to be cut by the cutting means is shorter for a folded sheet bundle A having a particular thickness and having been subjected to the deforming processing than the distance from the folded spinal portion of the folded sheet bundle to a position to be cut by the cutting means for a folded sheet bundle B not subjected to the deforming processing but having the same thickness as folded sheet bundle A.

Abstract: The present invention provides a sheet processing apparatus including: a conveying portion which conveys a sheet; a stacking portion which stacks the sheet conveyed by the conveying portion; a first processing unit which performs a process to the sheet at a first process position on the stacking portion; a second processing unit which performs a process to the sheet at a second process position on the stacking portion, the second process position being at the downstream side in the conveying direction of the first process position; and a controlling portion which performs positioning of the sheet at the first process position when the first processing unit performs the process to the sheet and positioning of the sheet at the second process position when the second processing unit performs the process to the sheet which is passed through the first process position without being positioned.

Abstract: This invention can improve the appearance quality of a pamphlet produced by suppressing a swell of a folded sheet bundle and prevent a drop in productivity without enlarging the size of a sheet processing apparatus. A sheet bundle receiving position is changed depending on a sheet size and the moving direction of the press unit is changed corresponding to the sheet size of a conveyed sheet bundle. As a consequence, the enlargement of the sheet processing apparatus can be avoided without deteriorating productivity.

Abstract: A sheet finishing apparatus includes: a puncher which moves between a penetrate position and a standby position; a detection unit which detects a lateral edge of a sheet; a standby tray which supports the sheet passed through the puncher, by a pair of tray members; a lateral alignment unit which holds and aligns the sheet falling off the standby tray, by a pair of alignment boards; a moving mechanism which moves the position of the standby tray or the alignment boards in a direction orthogonal to the carrying direction of the sheet; and a control unit which measures a quantity of misalignment of the sheet by using a result of detection of the lateral edge from the detection unit and controls the moving mechanism in accordance with the quantity of misalignment.

Abstract: A paper sheet handling machine 100 comprises an upper unit 10 having a paper sheet take-in apparatus 120 adapted for taking therein paper sheets, one by one, from the exterior, an upper transport mechanism 201a adapted for transporting the paper sheets taken in by the paper sheet take-in apparatus 120, one by one, and a recognition unit 220 adapted for recognizing each paper sheet transported by the upper transport mechanism 201a; a lower unit 20 located below the upper unit 10 and having a lower transport mechanism 201b provided to receive the paper sheets transferred from the upper transport mechanism 201a, one by one, and then further transport the transferred paper sheets, and a plurality of stacking units 106, each adapted for stacking therein the paper sheets transported by the lower transport mechanism 201b and sorted based on results obtained by the recognition unit 220. In this case, at least a part of a bottom portion of the upper unit 10 is opened.

Abstract: In a method and an apparatus for feeding sheets to a processing machine, in particular a printing press, provision is made for the sheet to be accelerated to processing speed by use of at least two acceleration stations arranged one after the other. One of the acceleration stations is arranged such that the acceleration station can be displaced in order to align the sheet.

Abstract: A manual paper feed device includes: a manual feed tray on which sheets are stacked; a paper feeding roller that feeds the sheets on the manual feed tray into an image forming unit; a pressing tray that is, with the sheets stacked thereon, rotatably supported and a downstream side of which in a conveying direction of the sheets is biased to the paper feeding roller side; a bias releasing member that separates and holds the pressing tray in a direction opposed to the bias direction and releases the biasing; and a sensor that detects at least one of presence or absence of the sheets on the manual feed tray and a bias releasing state of the pressing tray. The manual paper feed device prohibits paper feeding operation when the bias releasing state of the pressing tray is detected regardless of presence or absence of sheets stacked on the pressing tray.

Abstract: A pressing projection of a paper feeding cassette presses a push-back mechanism to thereby release urging of a cam gear in a direction opposite to a direction of the paper feeding cassette. The cam gear moves in the direction of the paper feeding cassette. A cam of the cam gear rotates a rotation lever. The rotation lever rotates a pickup roller lifting and lowering shaft. The pickup roller lifting and lowering shaft lowers a pickup roller.

Abstract: A media handling device includes a media shingling mechanism having a roller actuator located adjacent an upper portion of a media stack and downstream thereof relative to a predetermined direction of an uppermost sheet from the stack toward a media restraint dam located upstream thereof. The roller actuator undergoes counterclockwise rotation in response to upward moving contact by successive sheets in the upper portion of the stack against a peripheral segment of the roller actuator as the stack is moved vertically upward in a rectilinear direction toward the roller actuator. The counterclockwise rotation of the roller actuator and upward movement of the upper portion of the stack produces a lateral displacement of successive sheets toward the dam so as to produce shingling of successive sheets of the upper portion of the stack relative to one another, providing a uniform inter-page gap between successive sheets.

Abstract: A sheet handling device includes a main transport path, a temporarily holding section provided in the main transport path, a transport section, a detection section provided at a predetermined detection position in the main transport path and a controller. The temporarily holding section includes a looped transport path. The controller performs a procedure including the steps of (I) transporting the sheet traveling along the main transport path to the looped transport path, (II) transporting another sheet along the main transport path, (III) controlling the transportation of the sheet and the transportation of said another sheet in response to the arrival of said another sheet at the detection position such that the sheets are stacked into a bunch in the looped transport path with certain parts of the sheets being aligned and (IV) repeating the steps (II) and (III) as required.

Abstract: An assist mechanism aids movement of a retractable unit reciprocally moving between an open and a closed position and includes a pressing device, a stopper mechanism, an engagement member, a catch portion, and a release member. The pressing device presses the retractable unit toward the open position in which the unit is extended. The stopper mechanism controls and releases retraction of the retractable unit to the closed position in which the unit is retracted, and includes a stopper and a blocking member. The engagement member is provided in the retractable unit. The catch portion engages the engagement member. The release member releases a force pulling the retractable unit when the retractable unit is moved to the closed position.

Abstract: An apparatus for feeding and aligning sheets which are fed to a processing machine, e.g. a printing machine, includes at least two parallel transporting belts which, on a side directed toward the sheet, subject the sheet to different retaining forces, in such a way that the retaining force in outer peripheral regions is greater than in an inner region located therebetween. The transporting belts can be activated individually in dependence on the position of the sheet, and they can therefore align the sheet in its transporting direction and obliquely thereto.

Abstract: A sheet feeding device (1) allows to grip and draw a single product (4) out of a pile (3) of products on an of the corners thereof, provided that it is adjacent to a closet edge, or even along the length of the closet edge, with one or more suction caps or equivalent elements, arranging the related resting plane (2) parallel to the packaging direction (A) and delivering the single product along a direction substantially parallel (B) to the packaging direction, and includes elements for rotating (20) each single product (4) drawn out of the pile (3) before the delivery along the packaging line (L), around an axis substantially perpendicular to the single product (4) and in a translation phase on a plane of the single product (4), so as the free edge is parallel or perpendicular to the packaging line (A).

Abstract: A sheet finishing apparatus includes a moving mechanism to move a puncher for boring punch holes in a sheet between a penetrate position and standby position, a detection section which is disposed upstream of the puncher in a sheet conveyance direction and detects a leading edge of the sheet, and a control section to control a moving mechanism based on a detection timing of the detection section and according to a size of the sheet and a movement speed of the sheet, so that a front corner of the sheet does not coincide with a position of a punching blade of the puncher when the sheet passes through the puncher.

Abstract: A diverter panel comprises an elongated rectangular panel made of a substantially flat plate made of clear plastic. The plate has fasteners mounted at its front corners for mounting the panel to a frame of the sorting machine, a rear upright flange extending from the plate along the length thereof, the flange having a bottom edge which can be supported on a horizontal beam of the sorting machine. The panel is rigid enough such that vibration of the sorting machine does not cause significant movement of the panel when secured at its corners and with the rear flange supported by the beam of the sorting machine. An opening in the rear flange and an adjacent portion of the plate allows a drive shaft to pass therethrough, and a contact pad formed by an outwardly projecting portion of the rear flange is configured for engagement with a plunger of a switch.

Abstract: A scratch off lottery ticket accessory includes a planar surface disposed in a well between sidewalls, a bottom wall and a front wall. A tray located toward the bottom wall includes a moveable gate and a cup for retaining debris from the material scratched away from the lottery tickets. A clip biases a lottery ticket against the planar surface. A flange extends cantileveredly away from the front wall and provides a cutout to receive a merchandising hook for display purposes.

Abstract: A six fold game board includes six generally rectangular flat panels of generally equal size serially arranged in pairs disposed adjacent to one another to define two outer pairs and one inner pair. The panels of the inner pair are joined by a fold line and the panels of the outer pair are each separated by a slit. Each panel of the outer pairs is connected to an adjacent panel of the inner pair by a fold line. As a result of this constructions, the outer panels can be folded over the adjacent inner panels and the inner panels can subsequently be folded over one another to define a folded game board having a width and length generally equal to the dimensions of one of the rectangular panels. A method of folding such a game board is also disclosed.

Abstract: A card game and method of playing a card game two card being dealt to a player cards and one card being dealt to a dealer or as a common card from a pack of playing cards, the player's cards being compared to the dealer's or common card, the player winning the game if one of the player's cards is of equal or lower rank than the dealer's or common card and the other of the player's cards is of equal or higher rank than the dealer's or common card.

Abstract: An adjustable casing sub having an outer housing, an inner housing insertable into the outer housing, and a ratcheting system for coupling the inner housing within the outer housing. An annulus is between a portion of the inner and outer housing, the annulus including an inwardly tapered section. A metal faced seal is disposed in the annulus, wherein the metal faced seal includes a sliding surface and a compressive sealing surface. The sliding surface may include a malleable inlay and the compressive sealing surface may include a spring like element. Moreover, the metal faced seal radial thickness is greater than the inwardly tapered section radial thickness.

Abstract: To secure stability of the stacked sealing devices, a magnetic encoder-equipped sealing device has the slinger attached to either of two relatively rotating members and the lip seal attached to the other, the slinger has a magnetic encoder at one end face in the axial direction, the lip seal is formed by attaching a seal lip to an attachment ring and is slidably in contact with the slinger, an adhesion prevention projection, formed from a rubbery elastic body, is provided on the other end face in the axial direction of the attachment ring to prevent mutual adhesion of sealing devices when they are stacked, and the adhesion prevention projection (7) has a tapered cross-sectional shape in which an inner peripheral side-face (7a) of the projection (7) tilts relative to a rotation axis (O) at an angle greater than the tilt angle of an outer peripheral side-face (7b).

Abstract: This invention relates to a method of forming brush seals and to brush seals themselves. Thus a back plate 10, which defines an anchor recess 11, a reservoir recess 12 and a land 13 is laid horizontally A bristle pack 14 is then laid on top of the back plate 10, so that one end 15 overlies a recess 11 and the other, 16, projects beyond the land 13. The bristles are then clamped in position by clamp 21 and epoxy resin is poured into the recess 11 as indicated by the arrows. A mould is introduced over the recess. Once the resin is cured, the mould can be removed and it will be noted that excess epoxy resin has fallen into the recess 12 preventing resin wicking beyond the land 13 and interfering with the performance of the bristles.

Abstract: A labyrinth seal that may include a first leg positioned about a high-pressure side of the dovetail tab, a second leg positioned about a low-pressure side of the dovetail tab, and a labyrinth chamber positioned between the first leg and the second leg. High-pressure fluid passing through the gap about the first leg expands within the labyrinth chamber so as to limit an amount of the high-pressure fluid that passes beyond the second leg.

Abstract: A seal assembly which, among other applications, may be used for sealing fluid leakage between a steam or combustion (gas) turbine rotor and a turbine stator body. The seal assembly includes elements having a plurality of spaced leaf seal members with slots therebetween. Each leaf seal member is angled out-of-plane between a fixed end and a free end thereof, and the free ends slidably engage the rotatable component. A support may be provided supporting the free end such that it contacts a distal end of the support in an operative state and is out of contact with the distal end in an inoperative state. Seal members may include two different materials having different coefficients of thermal expansion. In one embodiment at least one damping leaf can be provided on a low pressure side of a leaf seal member.

Abstract: A holding sealing material has a mat shape and includes an adsorption portion, a holding portion, and a coupling portion. The adsorption portion is configured to adsorb urea and has a width and a longer side face extending along a longitudinal direction of the holding sealing material. The holding portion is configured to hold an exhaust gas treating body and has another width and another longer side face extending along the longitudinal direction. The width of the adsorption portion is smaller than the width of the holding portion. The longer side face of the adsorption portion faces the longer side face of the holding portion via a space. The coupling portion connects the adsorption portion and the holding portion.

Abstract: A metal-elastomer cylinder head gasket has, in addition to one or more sealing layers made of metal, at least one combustion chamber seal and an elastomer seal which runs around the combustion chamber seal. Through ducts which are arranged in the plane of the cylinder head gasket, I addition, for example in the case of the engine block being filled with cooling fluid, a degassing is made possible, so that a discharging of air and/or gas remaining in the system is made possible into a fluid passage by means of the ducts.

Abstract: A spring seal system for a turbine dovetail tab. The spring seal system may include a sealing slot positioned about the tab and a spring seal positioned within the sealing slot. The spring seal may include a substantial “U” shape.

Abstract: A high pressure metal-to-metal seal utilizes an expandable metal seal element able to withstand caustic fluids, high pressure, and high temperature. The metal-to-metal seal assembly is resilient for repeatable sealing and comprises an energizing metal ring and a metal sealing ring. Engagement of these two rings expands surfaces of the metal sealing ring to create inner and/or outer metal-to-metal seals.

Abstract: Modular structural components and structural connections including chords and forming strips. Each chord has a generally elongated square main body of four main walls surrounding a central bore and having a T-slot structure adapted to accept a bolt type fastener extending along each exterior main surface. Each forming strip is an elongated plate formed into strip segments oriented at right angles to each other and forming a W-shaped corner region, a face region with a bolt hole and an attachment region, each region forming a mating bearing surface with a surface of a chord.

Abstract: A method of bonding an electrically conductive silicone gasket includes activating selected surfaces of the electrically conductive silicone gasket, applying a sealant having a corrosion inhibitor to at least a portion of the activated selected surfaces, and curing the sealant to thereby bond the electrically conductive silicone gasket with a substrate.

Abstract: Sealing device (23) for a machine (1) for the plasma treatment of containers (2), comprising at least first and second annular sealing surfaces (24, 25) suitable for cooperating respectively with first and second separate annular zones (13, 15) of the neck (12) of a container (2).

Abstract: A shank attachment structure which may supply coolant even if a drill without a center pin is attached. A shank can be attached to a shank attachment hole with a single motion. The outer diameter of the shank can be inserted into the shank attachment hole. A chamfered portion is formed around an edge of a base end, and an elongated concave portion is formed on a tip end. A coolant hole is formed on a base end of the shank attachment hole, and a valve body is disposed in the hole. A sealing member is disposed adjacent to the tip end side. A first sleeve is disposed such that a base of the shank moves the first sleeve, so that a base of the sleeve separates from the sealing member; and when the shank is not in contact with the tip, an outer peripheral surface of the first sleeve moves the engaging member radially outwardly.

Abstract: A bit holder includes a shank, and a bit sleeve. The shank has a first end portion of a non-circular geometric equiangular cross-section for combining a hand tool, and a second end portion formed with a combining hole having female threads in its wall. The bit sleeve has a through hole for a bit to extend therein, male threads and a circular circumference. The bit sleeve is combined with the shank by engagement of the male threads with the female threads, and the bit sleeve may be rotated to fix with or loosen from the shank by an auxiliary tool for changing the bit. In assembling, the bit is inserted through the through hole of the bit sleeve, and then the male threads of the bit sleeve are engaged with the female threads of the shank by an auxiliary tool fitted with the circular circumference and rotated to keep the bit combined with the shank, with the bit sleeve pressing the bit so as to minimize the tolerance of the gap between them, thus enabling the bit to drive a screw smoothly into an object.

Abstract: An actuator for an active roll control system that connects a stabilizer bar with a lower arm may include a screw housing having a space, a power transmitter slidably mounted in an upper interior circumference of the screw housing, and having an upper end portion connected to one end of the stabilizer bar and a lower end portion slidably movable in the space wherein the lower end portion of the power transmitter includes a screw groove and a screw thread is formed at an interior circumference of an inlet portion, a lead screw being inserted in the screw groove of the power transmitter and threaded to the screw thread of the inlet portion and having a screw rotation shaft integrally connected to a lower end thereof, and a drive motor mounted at a lower portion of the screw housing and having a rotation shaft connected to the screw rotation shaft.

Abstract: An amputee mobility device includes a wheeled frame, and seat with webbed pocket for receiving an amputated leg. The seat is adjustable height adjustable, as is the pocket for customizing to individuals. Adjustable handles allow amputees to move themselves, or allow a helper to push like a wheelchair. In one form, the frame includes front and rear articulated subframes. In another form, the wheeled frame forms an elongated rigid frame, with two fixed-axle wheels and two rear-located steerable wheels and one front-located steerable wheel. In another form, the frame includes two fixed-axle wheels and two steerable wheels arranged to function somewhat like a wheeled walking cane. Optional features include outriggers for leg protection, a foldable frame for compact storage and shipment, bicycle-like lockable hand brakes, a seat without aperture for supporting a lower leg extending horizontally, storage shelves, and cup holders.