Abstract: A drum rotation machine includes a working drum mounted for rotation within an enclosure. An access door provides access to the interior of the enclosure, and the access door is moveable between a closed position and an open position. A latch assembly is mounted on the enclosure and is moveable between a locked position and an unlocked position. In the locked position, the latch assembly prevents the access door from moving from the closed position to the open position. In the unlocked position, the latch assembly allows the access door to be moved from the closed position to the open position, and engages an anti-rotation catch on the working drum to prevent rotation of the working drum.

Abstract: A system for processing a supply of post consumer scrap linear low density or low density polyethylene film into near-virgin quality blown film product. The system includes tearing the supply of film in a shredder, wherein the surface area of the film is exposed, including delaminating the film. The torn supply of film is washed in a water bath including a surfactant. The film is agitated in the bath containing the surfactant wherein contaminants on the film are removed from the film. The washed film is ground into smaller pieces and additional washing of the ground film in a rotating friction washer occurs wherein additional contaminants are removed from the film. The ground film is then dried in a dryer and compacted in a compactor without addition of water into granulated objects of near-virgin quality blown film product.

Abstract: A roller mill includes a rotatable grinding table, at least one grinding roller retained rotatably on a pivot lever and in rolling engagement with the grinding table, the pivot lever being pivotable about a pivot lever axis, and at least one drive train connected to the grinding roller and having a fixed motor and a fixed gearing mechanism. The drive train further has a gearing mechanism which pivots with the pivot lever and/or the grinding roller.

Abstract: A nut grinder includes a nut auger, a stationary grinding plate, and a rotatable grinding plate configured to grind nuts. The nut auger and rotatable grinding plate may be adapted to receive rotational power from a human user or a mechanical source.

Abstract: A blender blade or blade for being mounted to an interior base of a blender container for rotation about a vertical axis is described. The blade includes at least two blade wings, such that it may include four blade wings. The blade includes a body, first transition section, second transition section, first blade wing and second blade wing. Body includes an aperture, wherein the body is located on a first horizontal plane. First and second transition sections extend at downward angles from opposite sides of the body. First blade wing extends outwardly from the first transition section, wherein the first blade wing is located on a second horizontal plane. Second blade wing extends outwardly from the second transition section, wherein the second blade wing is located on a third horizontal plane. The blade is a one-piece blade and can process approximately 6-48 ounces of working medium.

Abstract: A film packing device includes an axle rod and a grasp pipe. The axle rod includes at least one engaging block protruding from one side thereof. The pipe body is fitted on the axle rod. The pipe body includes a semi-circle brake block at one end thereof close to the engaging block. The brake block is coupled with a semi-circle elastic brake member. The elastic brake member has a slide block corresponding to the engaging block. When in use, the elastic brake member cooperates with the brake block to press the axle rod, such that the axle rod stops rotating. The slide block can be pushed to engage with the engaging block to stop rotation of the axle rod, so that the user can pack an article conveniently.

Abstract: Disclosed is a bobbin fixing apparatus. The bobbin fixing apparatus includes a rotating shaft installed to a mounting plate and provided with a fixing unit partially protruding from the rotating shaft so as to be inserted into the rotating shaft, and a bobbin on or from which an object is wound or unwound, the bobbin being placed on the rotating shaft such that the fixing unit is exposed in front of the bobbin. The bobbin includes a rotating body, a plurality of bobbin members on which an object is wound, and an end coupler configured to be operated upon receiving pressure when the bobbin is placed on the rotating shaft, the end coupling serving to keep an end of the object in a fixed position on the rotating shaft during winding or to release the end of the object from the fixed position during unwinding.

Abstract: The aircraft is capable of two distinct fuel-efficient flight regimes: one is a vertical flight regime supported by two large two-bladed rotors with low disc loading located on right and left longitudinal booms. The booms extend between outboard regions of a front wing and inboard regions of a rear wing that has a larger span an area than the front wing. The other flight regime is high speed up to high subsonic Mach number with the aircraft supported by wing lift with high wing loading, and with the rotors stopped and faired with minimal local drag contiguous to the booms. The longitudinal location of the aircrafts center of gravity, aerodynamic center and the center of the rotors are in close proximity. The front wing is preferably swept back, and the rear wing is preferably of W planform.

Abstract: The present disclosure is generally directed to a system, aircraft and a method of operation of an aircraft engine including an intake portion and an exhaust portion, an engine inlet, oriented in a forward direction to the intake portion, the engine inlet defined by a peripheral cowling that directs airflow to the intake portion of the aircraft engine, and a spiral cone positioned proximate the engine inlet, the spiral cone including a variable compression surface area that directs airflow immediately in front of the engine inlet.

Abstract: An ejector nozzle tube, having along its length an essentially constant, essentially oval hollow cross-section, with a leading edge nozzle, having a rounded exterior cross-section, being arranged at a flow leading-edge area of the ejector nozzle tube. The leading edge nozzle includes a plurality of grooves issuing to the top and bottom sides of the ejector nozzle tube and connecting to an interior of the ejector nozzle tube formed by the hollow profile. An aircraft engine has an optimized oil heat exchanger with at least one oil cooler disposed in a trailing-edge area of an aerofoil-type structure, with at least one flow entrance area being provided to supply ambient air to the oil cooler disposed in a flow duct. The ejector nozzle tube can be arranged downstream of the oil cooler in the flow duct.

Abstract: One embodiment of the present invention is a unique aircraft. Another embodiment is a unique propulsion system for an aircraft. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for aircraft and aircraft propulsion systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith.

Abstract: A gyrocopter includes a motor, a rotor head and a torque transmission device for transmitting torque of the motor to the rotor head. The torque transmission device includes a pneumatic coupling.

Abstract: A system and method are provided for controlling aircraft flight control surfaces. The system may include at least three pilot sensor channels, each pilot sensor channel including a set of pilot sensor data. The system may also include at least three aircraft sensor channels, each aircraft sensor channel including a set of aircraft sensor data. The system may further include an actuator control component configured to synchronously receive and vote on the pilot sensor data and the aircraft sensor data, such that a voted output of the at least three pilot sensor channels is transmitted to a flight control computer and augmented before being transmitted to remote electronics units. The voted output of the at least three pilot sensor channels providing for the control of the aircraft surfaces coupled to the remote electronics units.

Abstract: A mounting assembly for the mounting of components in a body of a vehicle comprises at least one base element, at least one holding rail and connecting elements. The base element is designed to be arranged on the body of the vehicle. The holding rail is designed for mounting the components, and the base element and the holding rail are connected by the connecting elements so as to be spaced apart from each other.

Abstract: A method and apparatus for converting aircraft from civilian cargo to CRAF use includes a pallet guide attached to the cargo deck of the aircraft. The pallet guide includes a pair of L-shaped structural channel members that are arranged back-to-back and staggered longitudinally along the length of the aircraft cargo deck. The L-shaped guide members are staggered back-to-back to enable military 463 L pallets to be guided along both the port and starboard sides of the pallet guide with one row of pallets loaded transverse to the centerline and one row of pallets loaded parallel to the centerline. The pallet guide includes a third guide member comprising a substantially T-shaped body displaced laterally with respect to the L-shaped guide members. For loading and unloading standard commercial pallets, the L-shaped guide members are rotated into a retracted position below the deck height of the cargo deck.

Abstract: A method of landing a capsule-spacecraft having a crew compartment containing crew, light cargo, and whatever other elements are associated with crew safety and comfort during emergency recovery, such as survival equipment and a service component including any propulsion components, heat shield, heavier structure, or other equipment not directly connected with the crew component. In the event of a propulsion system failure, the crew compartment component is immediately separated from the service component, either by automatic or crew action. One or more parachutes are then deployed by rapid methods, such as rocket extraction, from the crew compartment. Because the space craft is separated into two parts the weight of the parachutes is reduced in proportion as the weight of the crew compartment is to the total capsule-spacecraft.

Abstract: A parachute can be opened automatically without requiring manual operation. In addition, the parachute is capable of staying balanced during the course of landing. The parachute comprises: a spherical canopy, an air guide member and four assistant canopies. The air guide member is a rotation symmetrical structure with respect to the central axis, each of the cylindrical members is also a rotation symmetrical structure with respect to the assistant central axis, and the assistant canopies are also symmetrically arranged with respect to the central axis, so as to maintain the parachute in a stable and balanced state when the parachute is falling.

Abstract: A system and method for reducing a velocity deficit from an aerodynamic body is disclosed. An air jet is injected into an ejector mixing chamber in the aerodynamic body. The air jet creates a suction effect in the ejector mixing chamber, which suctions boundary layer air from a perforated surface in at least one side of the aerodynamic body into a plenum chamber and into the ejector mixing chamber. The air jet ejects the boundary layer air and the air jet from a trailing edge slot of the ejector mixing chamber. Suctioning the boundary layer air and ejecting the boundary layer air and the air jet from the trailing edge slot reduces a velocity deficit on a trailing edge of the aerodynamic body. The reduced velocity deficit and the suctioning of boundary layer air reduce noise, turbulence, blade stress, and blade deformation.

Abstract: A high-lift system with a main wing and adjustable flaps as well as guiding devices for holding the adjustable flaps and adjustment devices for adjusting the adjustable flaps, wherein the respective guiding device and/or adjustment device at least in part include/includes a fairing, including a flow influencing device for influencing the flow around the high-lift system, with at least one inlet line with at least one inlet that is situated on or below the bottom of the high-lift system, wherein, furthermore, at least one outlet line for air is provided that includes a fluid-communicating connection to the inlet line and includes at least one outlet situated at the top in the region of at least one adjustable flap of the high-lift system.

Abstract: A rail vehicle has at least one vehicle antenna of a train safety system directed toward the track. To increase resistance to interference, the rail vehicle is configured such that the body of the rail vehicle and an axle arranged in the region of an end of the rail vehicle are electrically connected by way of a capacitive connection and the at least one vehicle antenna is arranged at a greater distance from the end of the rail vehicle than the axle that is electrically connected to the body.

Abstract: An automatic gap adjustor is provided. The automatic gap adjustor includes an upper cammed disk, a lower cammed disk spaced apart from the upper cammed disk, and a resilient spring element therebetween. The upper cammed disk includes a first plurality of cams on an upper axial surface and a second plurality of cams on a lower axial surface. The lower cammed disk includes a third plurality of cams on an upper axial surface and a fourth plurality of cams on an undercut portion spaced apart from the upper axial surface. Opposing cams can be radially offset from each other, such that reciprocating axial movement of the upper disk relative to the lower disk can achieve a stepped rotation of the upper disk. Rotation of the upper disk can drive the automatic gap adjustor along a threaded support to eliminate a gap along a portion thereof.

Abstract: A device for attaching a junction box to a photovoltaic. The photovoltaic panel has a photovoltaic side and a non-photovoltaic side. The device includes a bracket with a first side attachable to the junction box and a second side attachable to the non-photovoltaic surface of the photovoltaic panel. A central fastener is attachable at one end to the bracket and a plate is adapted for connecting to the other end of the central fastener and for mounting on the photovoltaic side of the photovoltaic panel. One or more rotatable spacers, connectible to the central fastener, may be located on the non-photovoltaic side of the photovoltaic panel. One or more fixed spacers may be located on the non-photovoltaic side connectible to the bracket.

Abstract: A suspending apparatus is used for suspending an electronic device on a surface. The suspending apparatus includes a base fixed on the surface, a suspending assembly assembled to the electronic device and detachably suspended on the base and having a limiting unit, and a locking assembly configured on the suspending assembly and including a locking unit and a moving unit connected to an end of the locking unit. The locking unit leans upon the limiting unit. In an unlocking process, the moving unit is forced to move along a first path and drives the locking unit. The locking unit unlocks the base with rotating along a second path and moving along a third path while being restricted by the limiting unit, wherein the first and the third paths have an included angle. In a locking process, the locking unit rotates along the second path to lock the base.

Abstract: A video image display apparatus is configured such that a monitor case includes a first gear unit that rotates according to a screen angle of the monitor case, and a clutch mechanism includes: a first torsion coil spring; a second gear unit that is meshed with the first gear unit, wherein a cylindrical portion is fitted to one end of the first torsion coil spring so as to rotate; a cam unit that rotates with a cylindrical portion being fitted to the other end of the first torsion coil spring; and an engagement unit that restricts the rotation of the cam unit, wherein when the screen angle of the monitor case is changed in a near direction, the restriction for the rotation of the cam unit by the engagement unit is removed, and the second gear unit, the first torsion coil spring, and the cam unit are rotated as being interlocked with one another, and when the screen angle of the monitor case is changed in a push-in direction, the restriction for the rotation of the cam unit by the engagement unit is not removed

Abstract: An adjustable affixation point apparatus comprising an anchor means for providing secure engagement with a wall; a fastener adapted to releasably engage the anchor means and to retain an extension arm between the head and the wall; the extension arm having a channel adapted to slidingly receive the fastener; at least one engagement means for enhancing the frictional contact among the members; a hanger attached to the distal end providing an affixation point which can be mounted into a wall near a desired location, then a sliding and rotational action of the extension arm relative to the allows a user to adjust the hangar to any point within a 360 degree radius and extending outwardly to any point along the length of the arm and to fix the hanger in a desired location.

Abstract: A support assembly includes a first support frame having a first bearing surface, and a second support frame spaced a vertical distance from the first support frame. A biasing member is connected to the first support frame and includes a first end and a second end. The first end bears against the first bearing surface. An adjustment assembly is connected to the second support frame and is adjustable with respect to the second support frame. The second end of the biasing member bears against the adjustment assembly.

Abstract: A system for mounting a catalytic converter of an exhaust system to an internal combustion engine includes a bracket adapted to fix the catalytic converter to the engine. A strap is adapted to circumferentially extend about a portion of the catalytic converter and clamp the catalytic converter to the bracket. The bracket includes a seat, a mounting pad and a compliant portion interconnecting the seat and the mounting pad. The seat supports a portion of the catalytic converter opposite the strap. The compliant portion includes a slot extending adjacent to the seat to reduce the stiffness of the bracket and allow the bracket to deflect during thermal expansion of the catalytic converter.

Abstract: A base for a blender housing a motor and including controls for operation of the blender. The base includes an air intake, an air exhaust, and a baffle, wherein the air exhaust and baffle are formed as a part of the bottom of the blender base and act to reduce the sound emitted by the blender. The bottom of the blender base includes an internal cavity defined partially by a support flange where heated air is exhausted. The air is then forced to change directions before exiting through exhaust ports.

Abstract: A meter includes an inlet for receiving a fluid and a housing defining a cylindrical chamber receiving the fluid from the inlet, wherein a chamber axis passes through a center of the cylindrical chamber. The meter also includes an outlet coupled to the housing, wherein the outlet is axially aligned with the inlet along a flow axis, and the flow axis does not intersect the chamber axis.

Abstract: A solenoid actuated device such as a fuel injector includes an actuator body having a plurality of body pieces, and a single-pole solenoid actuator assembly positioned at least partially within the actuator body. The single-pole solenoid actuator assembly includes a one-piece compound armature housing having a load carrying component clamped between the first body piece and the second body piece, and a flux carrying component. The load carrying component includes a high structural strength and a low flux permeability, and the flux carrying component includes a low structural strength and a high flux permeability. A method of making a solenoid actuated device includes placing an armature at a sliding radial air gap with a flux carrying component of a one-piece compound armature housing, and establishing a structural load path by placing a load carrying component of the compound armature housing between a first actuator body piece and a second actuator body piece.

Abstract: A valve assembly comprising an adapter plate assembly comprising an adapter plate, a bonnet with a center and a threaded shaft extending through the center of the bonnet; an actuation assembly comprising an outer enclosure and an outer magnetic cartridge that is magnetically coupled to an inner magnetic cartridge; and an inner valve assembly comprising an inner enclosure and a planetary gear subassembly comprising one or more planetary gears.

Abstract: A disposable device for the sterile transfer of fluids, such as liquids or gases, includes a body, a bore formed through at least a portion of the interior of the body, and a linearly moveable plunger contained within the bore. The body is formed from a rotating section and a stationary section. Partial rotation of the rotating section around a portion of the stationary section and the plunger drives the plunger linearly within the bore, opening and closing the device. The plunger includes at least a first and a second opening, and a fluid channel in the interior of the plunger connecting the first and second openings forming a fluid pathway to downstream components when the device is open. A termination component at one end of the plunger connects to a downstream component. A flange at one end of the body attaches to an upstream component.

Abstract: An assembly for actuating a valve that is in a differential screw assembly when the valve is in a portion of its stroke that experiences high resistance. The actuating assembly is selectively changeable into a direct drive configuration when the valve is in a lower resistance portion of its stroke. A sliding sleeve moves axially within the actuating assembly and has a profile that is strategically dimensioned to change the actuating assembly configuration.

Abstract: A valve device has integrally assembled thereto a valve side housing 2 having a valve seat 1, a motor side housing 4 provided with a motor 3, and a feeder-side housing 5 having a feeder unit, wherein a valve stem 8 provided with a valve 7 for abutting against the valve seat 1 is extended to the interior of the feeder-side housing, a rotation stopper 9 of the valve stem 8 is provided at a predetermined position of the valve stem on its way to the feeder-side housing, a screw section 11 is provided around the portion of the valve stem passing through the center hole 35a of the rotor 35 of the motor 3, the screw section being in mesh with a thread section 10 formed around the surface of the center hole thereof, and a valve position detecting sensor is provided within the feeder-side housing 5.

Abstract: Disclosed is a flapper drain valve adjusting structure including at least two installation positions disposed at connecting positions of a flapper body and a swinging link rod, a rotating shaft with its axis perpendicular to an arrangement direction of at least two installation positions and a barrier block installed at the boundary of two adjacent installation positions to prevent the swinging link rod from moving horizontally between the adjacent installation positions, and a claw buckle installed on the swinging link rod and detachably and rotably latched onto the rotating shaft. This structure changes the conventional adjusting method and uses the fixed barrier block to separate the adjacent installation positions without the problem of worrying about the precision and structure and adopts the detachable claw buckle to provide a convenient way of replacing the claw buckle that may be damaged after a long time of use.

Abstract: A gate valve and a method for making a gate valve for use with abrasive fracturing fluids, include provided enlarged spaces in the gate valve body wherein sand or other debris from the fracturing fluid may accumulate without affecting the operation of the gate of the gate valve.

Abstract: The laser equipped lift pad device provides for exact lift pad placement below an automobile. The device's embedded lasers shine directly upwardly toward a given work surface, an auto. By projecting laser light upwardly, a technician need only view the laser lighted surface or object of the auto and locate the devices one time, then lift the auto without repeated bended, kneeling, and inspection. The device ensures worker safety with exact locating capability, as incorrect lift point engagements and possible auto shift or fall is negated. The device thereby also ensures against auto damage which can be caused by engaging improper lift points of the auto. In negating repeated kneeling and bending, the laser equipped lift pad device also saves labor time and prevents laborer injury. The device easily replaces existing lift pads via either the pair of mount holes or the mount shaft, depending upon the given lift.

Abstract: Pulling eyes are provided with integrated wiring systems suitable for installing conductors or cables. The pulling eyes may include body portions that define interior cavities that are sized to snugly engage outside portions of the conductors or cables. The body portions are sized to be deformably crimped onto the outside portions of the conductors or cables. The pulling eyes may also include head portions joined to the body portions, with the head portions defining apertures for receiving a strength member for installing the conductors or cables. These apertures place the interior cavities in communication with the exteriors of the pulling eyes.

Abstract: An accessory that assists in operating vehicle lift systems, particularly an accessory that assists in the operation of a crank wheel of a vehicle lift system. The accessory is portable and quickly and easily assembled to the vehicle lift system. The accessory is activated using a power source, for example a cordless power source such as a cordless power drill. The crank wheel is engaged by the accessory and operated to raise and lower the platform component of the vehicle lift system.

Abstract: An anodized aluminum hydraulic leveling cylinder 10 for a vehicle includes an extruded hollow body 20 having a vehicle attachment portion 24 for attaching the body to the underside of a vehicle. A piston 80 is slidably fitted into the interior of the body. The piston is formed of ductile aluminum capable of being machined to a desirable shape and dimensions. The piston is hard anodized and PTFE coated for durable and silent operation. Hydraulic oil passage means 23a, 23b is formed in the body, and a cap 50 with a pair of dual flow-through passages 53 is attached to the top end 30 of the body for permitting the flow of pressurized hydraulic oil into and out of the interior of the body to effect axial movement of the piston. Hydraulic fluid may be transferred through one or more hollow mounting bolts.

Abstract: A disposable mixing vessel comprising a flexible container, a centrally disposed shaft having first and second ends with one or more impellers thereon and a magnetic element associated with a first shaft end, a first flange adapted to rotatably engage the first shaft end and a second flange adapted to rotatably engage the second shaft end.

Abstract: A structured sheet cross flow media is formed with a first corrugated sheet having corrugations defining flutes angled in a first direction, a second corrugated sheet defining flutes angled in a second direction, and an interstitial planar sheet disposed between the first and second corrugated sheets. The interstitial planar sheet traps the flow of fluid or gas, such as air, entering one end of the media block within opposing flutes until the end of the interstitial sheet is reached, whereupon the fluid or gas can disperse between the intersecting flutes of the first and second sheets to provide a controlled dispersal of the fluid or gas. In one embodiment, the interstitial sheet terminates at an intermediate height in the media block to define the width of dispersion of air bubbles entering at a single source point.

Abstract: The invention relates to a damping device, particularly earthquake damper, comprising a hollow spherical body filled with a damping fluid (5) and comprising a plurality of damping bodies (10) disposed in the radial direction, the radially interior ends thereof being mounted on a common mounting element disposed in the center of the spherical body, and the radially exterior ends thereof being mounted directly or indirectly on the inner wall of the spherical body.

Abstract: A hydraulically damping axial mount includes a housing with an elastomeric support spring with an insertion part, a mount core part extending in axial direction (a) in the housing and supported by a support spring, and two chambers arranged underneath one another in axial direction (a) for fluidic damping. A working chamber and an equalization chamber are spatially separated by a channel unit and are hydraulically coupled with one another by a channel. One or several insertion parts which are partially covered by the elastomer of the support spring and reinforce the support spring are inserted in the elastomeric support spring. The support spring is secured in the housing by a thread pitch, formed on the outside contour of the elastomeric support spring in the circumferential direction (u) of the elastomeric support spring and brought into engagement with a corresponding inside contour of the housing during installation of the mount.

Abstract: A sanitary, dishwasher-safe perforated cutting board that may enable liquids to pass through, and may be used with or without a fitted tray to facilitate the cutting of meats and rinsed vegetables without the resulting in meat juices and vegetable drippings on the counter. The cutting board may be used as a cutting board or as a cutting board and sieve when placed in a sink for cutting fruits and vegetables in the sink. Bumps found on the bottom of the cutting board or in a fitted tray may create a rigid cutting surface while providing channels through which liquids can pass. These bumps may enable the cutting board to be flexible, yet rigid when placed on a flat surface.

Abstract: An equipment support rack assembly for holding equipment during the maintenance thereof includes a base with a top wall, a bottom wall and a perimeter wall. The perimeter has an aperture to access an interior of the base. A rod is attached to the base and receives a spool of cutting line. A plurality of legs each has a top end and a bottom end. Each of the legs extends upwardly from the upper surface. A platform has a top side and a bottom side. The bottom side is attached to the top ends of each of the legs. The top side has an opening extending through the top and bottom sides. The opening is configured to receive a weed trimmer or to allow access to a bottom side of a lawn mower positioned on the top side.

Abstract: There is provided a chuck that includes a supporting element that is connected to a closing element. An upper surface of the supporting element includes a chemically etched zone and an un-etched zone. The chemically etched zone includes multiple upper areas that are surrounded by trenches. At least one pressurized gas conduit is formed in the supporting element so as to enable pressurized gas provided to a lower surface of the supporting element to propagate through the trenches. The un-etched zone is shaped in response to a shape of an object to be placed on the supporting element. The un-etched zone reduces pressurized gas leakage from the un-etched zone and the closing element reduces pressurized gas leakage from a lower surface of the supporting element when the object is placed on the chuck in alignment with the un-etched zone and pressurized gas is provided to the chuck.

Abstract: Methods and apparatuses are disclosed for rinsing the interface area of a liquid and air boundary after a substrate cleaning process using gas barrier. In some embodiments, a protective chuck having an inner gas ring and an outer liquid ring can be used to clean the area under the edge of the protective chuck. A gas flowing outward from the gas ring can enable a liquid to flow outward from the liquid ring, rinsing the outer portion of the protective chuck. The interface rinsing process can enable combinatorial processing of a substrate, providing multiple isolated processing regions on a single substrate with different material and processing conditions.

Abstract: A fixture for selectably supporting a number of dissimilar workpieces. The fixture includes a frame with one or more rotatable workpiece tooling assemblies. Each workpiece tooling assembly has multiple faces to which is mounted workpiece support tooling. The workpiece support tooling may be designed to support dissimilar workpieces, such that a single fixture may support any of a given number of workpieces by simply rotating the workpiece tooling assembly or assemblies until the corresponding support tooling is properly positioned. A locking assembly may be provided to releasably secure each workpiece tooling assembly in the various support orientations that coincide with each of its faces.

Abstract: A coaxial concentric double-jaw vice comprises a base frame defining a longitudinal sliding groove, first and second movable jaws mounted on the base frame and movable along the sliding groove, a control rod set inserted through the first and second movable jaws and received in the sliding groove, a fixed screw rod mounted on the control rod set and screw-connected with the first movable jaw, a movable screw rod sleeved onto the control rod set and screw-connected with the second movable jaw and rotatable with the control rod set and movable axially along the control rod set by an external force, a clutch mounted in the control rod set, and a driving mechanism mounted in the control rod set and connectable to the control rod set by the clutch for rotating the control rod set.