Abstract: A multifunction toilet is shown with a conventional flushing system and auxiliary components which include an odor exhaust system which withdraws gases from the toilet bowl and delivers them to the sewage drain downstream of the toilet water trap. Other auxiliary components include a motor driven retractable nozzle pipe which provides a personal warm water spray rinse and a dryer which supplies warm drying air. The auxiliary components are operated under a switch control system which assures proper sequencing and prevents use unless the user is seated on the toilet seat.

Abstract: The forward portion of a shampoo bowl is formed with a neck rest for receiving and supporting the back of the neck of an individual seated in a chair located forwardly of the bowl. The shampoo bowl is wall-mounted and pivotally connected for selective tilting of the forward portion of the bowl to raise or lower the height of the neck rest so as to accommodate individuals of varying heights seated in the chair.

Abstract: An economical hydrotherapy apparatus is provided for domestic use in conventional bathtubs. The apparatus includes a hydrotherapy chair and a relatively movable aerating pad, molded from plastic, that are placed in a bathtub for use with the seat of the chair at or near the surface of water in the bathtub. The aerating pad is spaced about eight inches below the surface of the water. An air compressor, located outside the bathtub, provides air that is delivered into the water from penetrations in the aerating pad. The introduction of compressed air at a depth of about eight inches creates therapeutic undulations of water against the seat and posterior of the user at the surface of the water.

Abstract: An overflow plate assembly for tubs has an outlet port associated with a drain pipe. A mounting plate is secured to the port. A fluid overflow plate has an inner and outer surface. A pair of prongs are secured to the inner surface and extend into suitable mounting openings in the mounting plate to frictionally secure the overflow plate to the mounting plate.

Abstract: A turn strap of surgical grade elastic material having Velcro hooks and loops on opposing ends thereof is positioned under the patient on a hospital bed. One end of the strap is arranged around the side rail on one side of the bed and the other end of the strap is arranged around the side rail on the other side of the bed.

Abstract: A support belt and a strap portion includes a strap portion and a pad portion. The pad portion comprising an elongate member having a length sufficient to encircle the body of an individual and a width sufficient to extend from the waist area to the breast area of the individual. A fastener is mounted on the ends of the pad portion for quick attachment and detachment to the individual. The strap portion includes a plurality of straps each having a first part mounted on the outer surface of the pad portion and a second part mounted on the inner surface of the pad portion and in an opposed relation to the first part, stitching extending through the pad portion for securing the first and second strap parts to each other and the pad portion. A part of each of the straps being unfastened and forming a loop to provide handles or anchor point for lifting and pulling the individual.

Abstract: A slatted bedframe (2) consists of an upper and a lower layer of transverse slats (3) arranged one beside the other with a distance, and of longitudinal, rubber-elastic supporting members (4) inserted between the layers of slats, which at the upper and lower surfaces have receiving lugs (5) for inserting or passing through the slats (3).To achieve an easily fabricable slatted bedframe with a high resting comfort, the supporting members (4) themselves form the receiving lugs (5) for the slats (3), where the receiving lugs (5) are integral with separate sections (9) protruding upwards and downwards from an oblong central piece (7) of the supporting member (4).

Abstract: An adjustable length sleeping bag suitable for use by persons of different height. The bag includes an elongate insulated shell having a longitudinal axis, an outer surface, a foot end and a head end. A fastening system on the outer surface of the shell comprises one or more first fastener elements disposed around the shell generally transverse with respect to the longitudinal axis, and one or more second fastener elements disposed around the shell generally transverse with respect to the longitudinal axis at a location spaced longitudinally from said one or more first fastener elements. The first fastener elements are selectively engageable with the second fastener elements to reduce the length of the shell to accommodate a person of lesser height, and are selectively disengageable to increase the length of the shell to accommodate a person of greater height.

Abstract: A blanket or mat assembly includes a panel having a foldable frame member that has a folded and an unfolded orientation, and a sheet material substantially covering the frame member when the frame member is in the unfolded orientation, with the sheet material assuming the unfolded orientation of its associated frame member. The assembly further includes a covering having a top portion, a peripheral edge, an opening defined by the peripheral edge, and an interior, with the panel retained inside the interior and accessing the interior of the covering via the opening. The covering assumes the configuration of the panel when the panel is retained inside the interior of the covering. The covering and the panel can be twisted and folded to the folded orientation of the frame member to reduce the overall size of the covering and the panel.

Abstract: A surgical table includes a base, a vertical support member extending vertically upwardly from the base, a frame extending outwardly from the support member, and a mattress supported by the frame and positioned to lie above the frame. The mattress is configured to support a patient and has at least one bladder configured to receive a medium. The surgical table also includes a power pack positioned to lie within the base and configured to supply the medium to the mattress to change the shape of the mattress.

Abstract: A mobile support unit such as an IV stand or the like coupled to a mobile hospital bed, gurney or wheelchair by a latch mechanism which provides hands free operation thereby avoiding the need for a nurse or care provider to manually manipulate the latch to secure the units together for tandem transport. Further, the latch mechanism according to this invention includes a clutch which prevents relative movement of the IV stand or support unit with respect to the hospital bed during transport up to a specific adjustable torque level thereby avoiding the problem of the IV stand or support unit swinging freely relative to the bed during movement. Further, the clutch permits movement of the IV stand or support unit through an arc relative to the bed when a specified force is applied as required by the nurse or care provider to reposition the stand or support unit relative to the bed and provide increased access to the patient or the like.

Abstract: An adjustable foldable bed is disclosed. The adjustable foldable bed has a front frame assembly and a rear frame assembly pivotal with respect to the front frame assembly. The foldable bed has a motor securely mounted thereunder, a driving rod driven by the motor, a first connecting rod pivotally connected with the driving rod, a second connecting rod pivotally connected with the first connecting rod. A tube securely provided under the bed is for receiving the second connecting rod therethrough. Furthermore, due to a first connector securely connected with the front frame assembly and pivotally connected with the driving rod, the torso of a hospital patient is supported while a first frame member of the front frame assembly is inclined by the motor.

Abstract: The rescue device comprises a first sheet member and two second sheet members that are disposed on each side of the first sheet member. The second sheet members are angled relative to the first sheet member to define an angle alpha. The rescue device has a plurality of carrying means enabling the device to be carried. The first and second sheet members each has a stable first sheet and a resilient and thermally insulating second sheet that has closed pores and a third sheet that is disposed adjacent ot the second sheet.

Abstract: A training pillow to assist in teaching a person not to sleep face-down has base a portion for supporting the back of the head when lying face-up on a sleeping surface and two side portions which project substantially diagonally from the base portion and away from the sleeping surface. The pillow can make it awkward and/or uncomfortable for the person to sleep face-down and thereby arousing the person into a conscious state to remind the person not to sleep face-down. Additionally, flipping the pillow over will present an awkward and/or uncomfortable sleeping surface. However, when a person rolls to the side, the corresponding side of the person's head causes the appropriate side portion to move into contact with the sleeping surface, while the base portion and the opposite side portion are lifted away from the sleeping surface.

Abstract: A diffuser assembly is configured to support a fluidizable medium on a fluidized bed. The diffuser assembly includes a diffuser board which is permeable to air and impermeable to the fluidizable medium, and a metal plate coupled to the diffuser board. The metal plate is formed to include a plurality of apertures therein to permit air to pass through the metal plate. The metal plate has an outer perimeter edge. The plurality of apertures are spaced inwardly from the outer perimeter edge of the metal plate by a predetermined distance to define a solid border configured to block air flow through the metal plate adjacent the outer perimeter edge.

Abstract: A one piece air mattress suitable for use in health care settings to aid in prevention of bed sores has air cells permanently attached to a common base sheet along a base perimeter of each cell. The air cells and base sheet are of flexible radio frequency weldable plastic material, and all the air cells can be simultaneously welded to the base sheet in a single welding step using a special welding jig. Air supply conduits are defined by strips bonded to the base sheet in overlying relationship to orifices opening the supply conduits to the air cells, thereby eliminating the need for external air hoses and connections. An alternating pressure air mattress can be made by opening different air supply conduits to alternating sets of the air cells.

Abstract: An improved inflatable medical patient transfer apparatus has a combination of transverse partition members and a raised perimeter section to reduce deleterious ballooning and uneven inflation as well as quick emergency deflation and provide additional security for a patient supported upon such transfer apparatus. Additional differentially inflatable patient rolling chambers are preferably supplied on the top of the transfer apparatus to provide assistance to medical personnel in beginning to roll patients reclining or lying upon the transfer apparatus particularly in a deflated condition on a hospital bed. An improved air inlet arrangement is also provided along with certain indicia upon the surface of the transfer apparatus to expedite use by hospital personnel.

Abstract: A method for cleaning or sterilizing objects in a liquid fluid cleaning system comprising a high-pressure storing/working vessel, a cleaning chamber, and a low-pressure supply vessel, the method comprising the steps of loading the cleaning chamber with objects to be cleaned or sterilized; supplying cleaning fluid to the cleaning chamber from the low-pressure supply vessel by means of pressure difference; supplying cleaning fluid to the cleaning chamber from the high-pressure storing/working vessel; cleaning the objects in the cleaning chamber with the cleaning fluid; transferring cleaning fluid from the cleaning chamber to the high-pressure storing/working vessel; and unloading the cleaned objects from the cleaning chamber.

Abstract: A light-weight, corrosion-resistant, readily installed bridge deck is formed of modular deck panels spliced to each other on site. Each of the deck panels is shop-fabricated by longitudinally welding flanges of adjacently placed multi-void extruded aluminum alloy structural elements. Transfer splices of longitudinally adjacent elongate elements are made by providing shear elements connecting individual elongate structural elements of each deck panel end-to-end prior to longitudinal welding of adjacent elongate elements, with the end joints between the elongate elements being arrayed in a staggered manner. A safety rail system is mounted to run alongside and above outer edges of the finished bridge deck mounted to a system of support girders.

Abstract: Apparatus for removing residual charged toner particles from a charge retentive surface characterized by a self-biasing pyroelectric cleaner brush and a detoning member for removing the charged particles from the self-biasing pyroelectric cleaner brush. The brush includes a pyroelectric polymer supported by a conductive roll with resistive fibers attached to one surface of the pyroelectric polymer. Heating and cooling of a pyroelectric polymer induces thermal expansion or contraction which create surface charge density charges that are used to supply charge to the resistive fibers. The oppositely charged resistive fibers contact the toner particles on the charge retentive surface to thereby remove them from the charge retentive surface.

Abstract: A sweeping machine has a chassis, wheels for supporting the chassis and a brush mounted on the chassis for rotation to throw debris over the brush and into a debris hopper mounted on the chassis behind the brush. There is a control lever on the chassis for raising and lowering the brush relative to a surface to be swept. As the brush wears, a recirculation flap is positioned between the brush and the debris hopper and located closely adjacent a rear portion of the brush to direct debris not reaching the debris hopper forwardly toward the brush sweeping zone. The recirculation flap is moved toward and away from the brush concurrently with movement of the brush toward the surface being swept as the brush wears, whereby the space between the rear portion of the brush and the recirculation flap remains relatively constant.

Abstract: An optical protective screen for improved visibility is provided including an electric motor for moving a transparent sheet or film in a transport direction, which sheet or film is disposed in a field of vision of an optical apparatus or human observer. A cleaning mechanism formed from brushes or squeegees or the like, which are oriented generally transversely to the transport direction of the sheet or film are, disposed on at least one side of the field of vision and are applied against said sheet or film to clean it.

Abstract: An automatic erasing device is used for erasing chalk marks on a writing board, and includes an erasing mechanism having an elongate housing adapted to be disposed frontwardly of and slidable relative to the writing board between left and right end portions along a longitudinal axis. The elongate housing extends in a transverse axis relative to the longitudinal axis, and has a rear wall formed with an elongate rear opening to confront the writing board. Upper and lower axles are journalled in the elongate housing parallel to the longitudinal axis. A transmitting belt is trained on the upper and lower axles under tension for movement along a rear route proximate to and in alignment with the elongate rear opening, and along a front route parallel to the rear route distal to the elongate rear opening. Several eraser members are mounted detachably on the transmitting belt.

Abstract: A grout cleaning brush comprising a long narrow brush assembly, an elongate handle and a structure for pivotally attaching a lower end of the elongate handle centrally to the long narrow brush assembly. The elongate handle can rotate on the brush assembly to keep the brush assembly level to a floor or wall, as the brush assembly slides back and forth in a grout groove between ceramic tiles during a cleaning operation.

Abstract: A toothbrush having two head sections, the sections being normally biased to assume an angle with respect to each other, to thereby define a generally concave bristle tip configuration. The two sections of the head have facing ends joined by a thin bridge section integral with the two heads. In one embodiment, there is one bridge section near the lower surface of the head. In another embodiment, there are two longitudinally spaced bridge sections each near the lower head surface. In a third embodiment, the bridge section is a thin integral connection between facing ends of the two sections. In other embodiments, the two head sections are normally aligned and are also joined by a thin, integral bridge section, with the bristles of the head section most remote from the handle being of uniformly different lengths. The space between the two facing ends is filled with an elastomer, typically SANTOPRENE (brand). The two head sections define an articulated head.

Abstract: A carpet extractor valve assembly (340,522) alternately directs cleaning solution to a base-mounted spray bar (74,526) or to a remote distributor (438,614) of an accessory tool (16,524). The valve assembly includes an inlet port (344), which receives cleaning fluid from a handle-mounted reservoir (14,574), and first and second discharge ports (400, 442), connected to the spray bar and the accessory tool, respectively. First and second valve members (352,354) include first and second poppets (362, 444), which are biased by a spring (384) to normally-closed positions in which the first and second discharge ports are sealed. A trigger-operated actuation rod (410) actuates the first valve member to release cleaning fluid to the spray bar. A quick connect coupling (464,466,608,610) connects the remote distributor with the second discharge port and opens the second valve member thereby.

Abstract: A vacuum cleaner includes a backpack enclosure that removably encloses an impeller/motor unit. The backpack enclosure has a substantially block-shaped outer configuration and is made from a pliable cloth material, preferably composed of woven NYLON fibers. Two shoulder straps are attached to the backpack enclosure for carrying the vacuum cleaner. In accordance with an alternative embodiment of the invention, a vacuum cleaner includes a fanny pack enclosure that removably encloses an impeller/motor unit. The fanny pack enclosure is made from a pliable cloth material, preferably composed of woven NYLON fibers. A harness in the form of a waist strap is attached to the fanny pack enclosure for carrying the vacuum cleaner on the waist of a user.

Abstract: A detection means for filter means in vacuum cleaners, into which in addition to a vacuum cleaner bag at least one additional filter is able to be inserted. It comprises a sensor means responsive to the filter means inserted into said vacuum cleaner and switch means controlled by said sensor means for preventing switching of the vacuum cleaner motor if said filter means is not correctly recognized. The at least one electronic sensor means responsive to a detectable element in or on at least one additional filter by means of electromagnetic waves is connected with the switching means via an evaluating or processing means, adapted to check the correct position and design of the at least one detectable element.

Abstract: A double action vacuum cleaner is provided including a frame with a pair of wheels and a pair of brushes rotatably mounted to the frame. A motor assembly is included for rotating the brushes upon the actuation thereof. Also included is a handle portion having a pair of elongated bars each having an inboard end rotatably mounted to the frame and extending upwardly and rearwardly therefrom. Also provided is a vacuum assembly for suctioning dirt loosened by the brushes upon the actuation thereof.

Abstract: Squeegee adjustment in connection with a floor maintenance mechanism is provided. A single adjustment such as a laterally movable camming bar, permits rapid and reproducible squeegee height adjustment without the need for tools. A spring-urged squeegee pitch coupling is adjustable by a manually operable knob. Indicators or gauges provide an operator with information regarding the current height and/or pitch value of the squeegee.

Abstract: A debris blower for use in dispersing and collecting grass clippings, leaves, and other debris from sidewalks, driveways, lawns, golf courses and other ground surfaces. The debris blower is designed to be connected underneath a chassis of a tractor or lawn mower, and includes a housing containing a power-driven fan which rotates in a plane generally parallel to the ground surface. An air flow generated by the fan exits the housing through first and second chutes projecting from the housing. The chutes direct the air flow towards the ground surface. Air flow through the chutes is controlled by deflectors and closures that are moveable to selectively open and close the chutes and to adjust the direction of the exiting air flow.

Abstract: The invention relates to a safety device, and in particular to a safety device for a sliding panel, such as a patio door.The safety device includes an abutment, a carrier member for the abutment, a mounting arm for the carrier member, a pivot for the mounting arm, the pivot axis being substantially parallel to the carrier member, a support for the pivot, a resilient bias spring urging the mounting arm towards an abutment condition, the resilient bias spring being connected between the mounting arm and the support, and a manually operable member for moving the abutment against said resilient bias spring, the manually operable member comprising finger grip elements carried by the mounting arm, the finger grip elements being spaced from the pivot.

Abstract: A handgrip having an adjustable length having a handle terminating in a first end and a second end and a first restraining element attached to the first end of the handle and a second restraining element engaged with the second end of the handle, the second restraining element positioned a distance D from the first restraining element. Means are provided to change the distance D between the first restraining element and the second restraining element to adjust to different hand breadths and means are also provided to secure the second restraining element to the second end of the handle. A sleeve is preferably attached to the second restraining element and a detent can be provided between the second restraining element and the second end of the handle. Indicia can also be provided on the second end of the handle to indicate the setting of the adjustment means.

Abstract: The present invention concerns a hinged door check, for vehicle doors in particular, consisting of two hinged parts (2,4) which are connected swivelling around an axis of rotation (8) by a hinge pin (6) and which have a holding device (10) integrated between them defining different relative rotational positions. The holding device (10) consists first of at least one catch element (12) kinematically connected with the first hinged part (2) and spring-loaded in a working direction perpendicular to the axis of rotation (8), and secondly of a track (16) kinematically connected with the second hinged part (4), essentially shaped like the sector of a circle and arranged coaxial to the axis of rotation (8) with respect to its radius of curvature, having at least one latching point (14) cooperating with the catch element (12).

Abstract: A door lock which is formed integrally with a motor vehicle door hinge and which includes a housing fixedly secured to the hinge pin or the one of the first and second hinge halves, a holding element having at least a partially curved running track concentric with a hinge pin axis and a plurality of detent points, a plurality of braking and locking members cooperating with the holding element for retaining a motor vehicle door in a predetermined braking and locking position, and formed as rolling bodies rotatable about respective support axles having their axes extending transverse to hinge pin axis, a carrier for supporting the braking and locking members, a spring for biasing the braking and locking members into engagement with the holding element, and an arrangement securing the holding element or the carrier to the housing without a possibility of rotation relative thereto and for axial displacement relative thereto.

Abstract: Two hinge members are pivotally mounted about edges of a clamp. Thrust bearings are disposed in recesses in both hinge members for preventing relative movement between the hinge members along the clamp length. Antirotation portions of the bearings resist rotation of the bearings caused by torque produced by the hinge members on the bearings. In one embodiment, the clamp has a longitudinal key that is engaged within a keyway in the bearings that prevents bearing rotation. In another embodiment, the bearings have a longitudinal free extension on at least one side of a bearing body. The extensions increase the effective length of the bearings, limiting rotation. The extensions are preferably meshable with other bearings for transferring torque between adjacent bearings, or bearings may overlap the extensions. More preferably, the extensions are lockable to other bearings. The clamp may have notches extending between its walls and a clamp base such that the clamp base remains unaltered upon bending of the walls.

Abstract: A metal fitting for furniture, which can be installed without tools in a recess in a panel-shaped furniture part. The metal fitting for furniture has a holding part, at the upper, free edge of which a radially protruding flange is provided, which can be guided in contact with the outside of the furniture part, and is provided with a clamping element, which can be propped open by a handle in clamping contact with the wall of the recess. The clamping element is constructed as a hoop, which extends over a portion of the height and a portion of the periphery of the holding part and, in its extent, is adapted essentially to the contour of the recess. On both sides of the hoop, lever shoulders, which are linked at the flange or in the vicinity of the flange at the holding part so that they can be swiveled about a common axis, are provided.

Abstract: A D-shaped retaining spring couples a knob to a shaft. The spring has a flange abutting the end face of the knob to fix the spring position in a cavity of the knob. Alternatively, instead of the flange, the inner end of the spring abuts a shoulder in the cavity to fix the spring position. In either case, the inner end of the spring has a tab extending radially inward at a location spaced from the cavity end wall to define a stop for the end of the shaft thereby holding the knob where it can protrude from an instrument panel for normal operation. An axial impact force on the knob causes the tab to yield, allowing the knob to slide further onto the shaft and into the panel for the purpose of avoiding injury due to striking the knob during a crash.

Abstract: A method and apparatus for producing a web of non-woven fibrous material which is cross-linked in the carding step by means of an intermediate card. There is a main cylinder with two web forming rollers engaging the main cylinder, each taking off one card web. One of the web forming rollers is a random roller for producing a random orientation of the card web. The random roller has associated with it a trough plate with a space between the roller and plate. The space tapers toward the discharge end resulting in stuffing or compression on the web until the web exits to a free non-woven forming zone. Two card webs form a single web, which is taken off the card.

Abstract: A condensing zone is arranged downstream of the front roller pair of a drafting arrangement of a spinning machine, in which condensing zone a ready drafted fiber strand is condensed by means of rolling in the edge fibers before the yarn to be spun is imparted a twist. The condensing arrangement comprises a sliding surface having a suction slit extending essentially in a fiber strand transport direction, as well as a perforated transport belt which transports the fiber strand over the sliding surface and the suction slit. The sliding surface is the outer contour of a hollow profile, to which a suction device is connected. The transport belt consists of such a thin material that the fiber strand is disposed on the sliding surface and the suction slit at practically no distance thereto. The transport belt is preferably made from polyamide multifilament yarns.

Abstract: A band is set forth which can function to wrap bundles of items together or to secure one item to another. In a first mode, the band is wrapped about a bundle and an opening disposed along the length of the band is passed over a stud to secure the band wrapped about the bundle. In the second mode, the band is wrapped about one item and an end is passed through a slit near the other end of the band to define a first loop. The band is thereafter wrapped about the other item to define a second loop and an opening is passed over the stud to secure the band.

Abstract: A clasp fastener having a clasp (1) is designed to be snapped into engagement by exerting a closing force. A locking device (4) for locking the clasp (1) is placed by the closing force in an engaged position in which it is in a first snap engagement with a locking projection (6), and a closing member (5) for closing the clasp (1) is fixed by the closing force in a safety position in which it is in a second snap engagement with the locking device (4) so that the snapping force of the first engagement of the clasp (1) with the locking projection (6) is increased. At least one variable-diameter pin (17,18) that is flexible and/or has different diameters allows some movement of the locking device (4), so that the effective closing force exerted on the locking projection (6) is reduced.

Abstract: A lanyard breakaway connector used for mounting on opposite ends of a lanyard. The lanyard is received around a neck of a user. The breakaway connector is used for releasably securing together opposite ends of the lanyard. When the ends of the lanyard are placed in tension, the connector quickly releases thus preventing injury to the user. The breakaway connector includes a first connector member and a second connector member. The two connector members are identical in structure. The first member includes a first housing and the second member includes a second housing. The first and second housings include spikes therein for engaging and holding the opposite ends of the lanyard. Extending outwardly from an opposite end of the first housing is a first ball arm with a first ball mounted thereon and a parallel first socket arm with channel and hole therein.

Abstract: A clip is disclosed for securing a device to a support structure. The clip assembly includes a clip for pivoting about a pivoting axis, wherein the clip includes a securing end for engaging the support structure. A base is attached to the device, for receiving the clip. A biasing member is received between the base and the clip, for biasing the securing end of the clip toward the base, to secure the support structure therebetween. The clip assembly includes a first mating structure, formed on the clip, for attaching to a second mating structure formed on the base. The first and second mating structures are attached by sliding into engagement along the direction of the pivoting axis.

Abstract: A connector, primarily for lacing up footwear, having a finger grip which houses opposite ends of a closed loop of elastic disposed on opposite sides of a wall in the finger grip housing, and a crank pivotal into contact with one elastic loop end to hold this end and to push the wall against the other elastic loop end, so that the elastic is held as a closed loop during footwear lacing.

Abstract: A casket display structure has a floor-supported casket support adapted to support and display a casket. At least one standard is connected to and extends upwardly from the casket support. A decorative panel is hung on the standard. A rearward facing decorative panel may also be hung on the standard. In that case a second casket support may be positioned on an opposite side of the decorative panels from the first casket support. Two such casket display structures may be positioned perpendicularly to one another with the side edge of the second display structure abutting the rearward facing decorative panel of the first display structure. By utilizing three two-tiered casket racks in such an arrangement, a total of six caskets can be displayed.

Abstract: A method of manufacturing an inkjet recording head including drive electrodes arrayed at fixed pitches on the surface of an elastic plate, a common lead-out electrode lead from a common electrode formed on the surface of the elastic plate, the common lead-out electrode being arrayed extending in the direction of the arrays of the drive electrodes, while being spaced a fixed distance from the drive electrodes, the ends of the common lead-out electrode being connected to external, and piezoelectric vibration plates of which the reverse sides are in contact with the drive electrodes, and to the first ends are continuous, covering the common lead-out electrode. No disconnection is formed in the area of the piezoelectric vibration plates where the two groups of the piezoelectric vibration plates face, thereby ensuring a reliable bonding of the piezoelectric vibration plates and the elastic plate.

Abstract: The boring machine according to the present invention , that may be applied onto the piece to be bored and suitable for performing welding surfacing on the same point to be bored, inside or outside, with working performed in automatic or semi-automatic, comprises:a tubular box inside which a shaft may be inserted, guided by an engine bushing that allows the rotation and the longitudinal moving of a tool head-carrying shaft,a manual supporting handle for transport;three motoreducers, fed with direct current and installed inside said bonnet;three engines, for the rotation of the head-carrying tool shaft, for the forward and backward advancement of the head-carrying tool shaft in the boring phase, and for the welding surfacing distribution phase of eventual pieces to be re-treated, allowing the rotation of the torch by continuous wire welding at very low revolutions that may be electronically varied;a screw placed on the tool-carrying head, for the manual advancement of the tool;a device for the rotating connect

Abstract: A tool spindle fixing device of a composite machine tool in which a rotating-tool process is performed by driving a tool spindle into rotation with a rotating tool fitted to the tool spindle rotatably supported to a tool headstock, or in which turning process is performed by driving a work into turning with the tool spindle fixed to the tool headstock and with a turning tool fitted to the tool spindle, characterized in that: a fixed-side coupling having numerous engaging teeth is fixed to the tool headstock, a rotating-side coupling having numerous engaging teeth is fixed to the tool spindle so that the rotating-side coupling is placed within the fixed-side coupling and coaxial with the fixed-side coupling and moreover that the engaging teeth of the two couplings lie in substantially the same plane, and that a connection coupling having numerous engaging teeth is provided on the tool-headstock 12 side so as to be advanceable toward and retreatable from the fixed-side, rotating-side couplings wherein the engag

Abstract: An apparatus for cutting sheet metal discs (31) from and welding sheet metal discs (31), or other smooth-contoured sheet metal pieces, to a sheet metal strip (20) or other workpiece, particularly an endless sheet metal strip, e.g., in a double-strip press. The apparatus has guide for securing a cutting apparatus (34), welding apparatus, and a machining apparatus. The guide can be positioned on or against the sheet metal workpiece (20). The apparatus has a backing (32) positioned to support the disc about a weld seam to be produced. The guide (8) are held against the sheet metal strip by at least one electromagnet (2), preferably a plurality of electromagnets (2), and/or at least one vacuum element (35a, 35b, 35b, 35c), preferably a plurality of vacuum elements. Holding elements (12, 13, 14) are provided to secure the cutting and/or welding apparatuses (34, 34), which are moveable along the guide (8) by action of a motor (3).