Abstract: A cooling plate for circulating fluid for cooling the walls of shaft furnaces and particularly blast furnaces, and being placed between the refractory material to be cooled and the facing of the furnace to be protected and comprising a flat thin-walled panel made of cast steel and forming a tightly sealed enclosure through which passes an independent stream of cooling fluid, this enclosure being divided up into tubular passages with the aid of partitions which delimit a single circulatory path for the cooling medium which circulates in a vertical upward sinusoidal movement, that face of the plate which faces the interior of the blast furnace to be protected being lined with a high-strength refractory material.

Abstract: An aluminium/dross separator comprising a container or drum having one or more mixer blades mounted therein, drive means being provided to produce relative rotary movement of the container and blades characterized in that the drive means are positioned below and/or, to the side of, the container and do not extend over the top thereof.

Abstract: A molten metal processing vessel is surrounded by a trunnion ring. A plurality of flat beam members are affixed at one end to the trunnion ring and their other ends are each apertured for pivotally engaging one of a plurality of pins extending fixedly from the vessel.

Abstract: A stress damper comprising a hydraulic accumulator having an expansible cavity filled with hydraulic fluid, a body of elastomer provided with at least one internal cavity filled with hydraulic fluid, and an intermediate element of elastomer provided between the accumulator and the elastomer body, having at least one duct providing communication between the cavities in the accumulator and the elastomer body and arranged so that a compressive stress applied to the accumulator will cause a reduction in the cross-section of the duct.

Abstract: A bush assembly for vibration control, particularly adapted for use in supporting a suspension arm of an automobile suspension system, which includes an inner cylinder and an outer cylinder which is smaller in length than the inner cylinder. The outer cylinder coaxially encircles the inner cylinder and is radially spaced therefrom to define a cylindrical clearance space encircling the inner cylinder. A generally cylindrical impact absorbing member of elastic material is secured in the cylindrical space and has at least a pair of diametrically opposite recesses facing the inner peripheral surface of the outer cylinder. Each of the recesses has an arcuate transverse cross section and extends along the length of the outer cylinder. The impact absorbing member has a portion of rectangular longitudinal cross section interposed between each of its recesses and the inner cylinder and having a length substantially equal to that of the outer cylinder.

Abstract: A sawbuck comprising a pair of V-shaped members of steel plate or the like having toothed log-gripping members welded along the edges thereof. Depending legs welded to each V-shaped member form slip channels of a size to fit snugly over a standard board of nominal 2 inch thickness whereby they may be carried on a two by four beam of a sawhorse.

Abstract: The clamp comprises an L-shaped fixed member and an L-shaped sliding member retained by a loop thereon to be slidable along the post portion of the fixed member. A clamping screw threadably engages the slide bar portion of the sliding member above the loop, and bears against the inner surface of the post.When the sliding member first engages a workpiece it tilts only slightly, and in an anticlockwise direction as illustrated in FIG. 1. Upon tightening of the clamping screw, the sliding member is tilted slightly but in a clockwise direction, correcting the initial tilt and maintaining the jaws substantially parallel.Since the clamping screw bears against the post with a greater pressure than the pressure applied to the workpiece, the clamp does not rely upon tilting to grip the post.

Abstract: This workpiece holder has a plurality of workpiece supports vertically disposed with edges configured to support the workpiece facing upward. The workpiece supports are spaced by means of spacers in accordance with a predetermined dimension of the workpiece in order to allow the workpiece to be supported on the edges of the supports. The workpiece holder is especially designed for holding parts in assembly operations for manufacturing semiconductor device packages.

Abstract: A support arrangement to cooperate with a clamp for holding workpieces of irregular shape wherein a horizontal support plate has holes arranged in orthogonal rows and columns. Workpiece support members of various heights have bottom pegs insertable into the holes to support a workpiece so that it can be clamped from above. An embodiment having a specific matrix of round and elongated holes is disclosed. Support members having two pegs and adjustable heights are also disclosed.

Abstract: Each signature feeder along a collating conveyor is selectively actuated under control of coded signals containing mailing information. A dot matrix printer, located between the feeders, is responsive to the coded signals to selectively print custom information within books of signatures. A second dot matrix printer, located after the stitcher and trimmer, prints mailing labels under control of the coded signals. Optical scanners located downstream of the dot matrix printers scan each line of possible printing to detect printing errors. A replacement book feeder, which inserts standard replacement books to fill empty spaces left by rejected books, has a hopper which is automatically refilled by diverting books of signatures from the conveyor. The entire collating line is controlled by a programmable controller and a computer which also reorders or replaces defective books of signatures, compensates for variations in calipered signature thicknesses, and controls other special handling procedures.

Abstract: A feeder/transporter having a ported hollow cylindrical vacuum housing and an internal complimentary shaped control valve. The housing is mounted for rotation about an axis located so as to position a sheet receiving outer surface of the housing for movement in a path from adjacent to a tray for supporting a stack of sheets toward a remote location to which the sheets are to be fed. The control valve is non-rotatably supported on the axis of the housing, and is mounted for reciprocable movement along the axis to control the opening and closing of ports in the housing. The control valve has an opening extending for a portion of its circumference with a series of port-blocking tabs extending into the opening.

Abstract: The sheet-presenting unit presents received sheets to the printing instrumentality of the machine. The sheet-feeding unit feeds sheets to the sheet-presenting unit. The two units have activators which can be enabled and disenabled. The operator of the machine initiates a start signal. A sheet detector generates missing-sheet, skew-sheet and muliplee-sheet signals, indicating the condition of the sheet at the sheet-presenting unit. Enablement stages determine whether the activators for the feeding and presenting units are to be enabled or not. When the activators are enabled, the start signal is automatically extinguished. A logic circuit receives the start signal and the signals from the sheet detector. The logic circuit has pre-start-up and post-start-up modes of operation, corresponding to generation and termination of the start signal.

Abstract: An amusement rink for skateboarders is formed by providing spaced mounds of earth on a substantially square, flat lot. A continuous riding track is provided which extends about the lot in a generally serpentine manner and passes over the mounds that it encounters as it progresses along its course, thereby providing a circuitous and undulating ride for the skateboarder.

Abstract: A belt, which is adapted to be carried about a portion of the trunk of the user, is mounted around the waist, in holster style, and over a shoulder and under an opposite arm. The over the shoulder portion having a plurality of loops to which a resilient ball is selectively connected by a line to adjustably extend from the belt downward either to the hip, knee, or foot area of the user.

Abstract: An educational device employing a game situation to teach a preselected, and particularly religious, subject matter is disclosed. The educational device is generally comprised of a playing board having a plurality of contiguous areas extending around the perimeter of the playing board. The contiguous areas are divided into a plurality of subject matter areas, each subject matter area having associated therewith a deck of cards. Most of the cards have printed thereon questions regarding the subject matter of study, although some card decks specifically direct the player. The object of the game is to advance around the perimeter of the board, through the contiguous areas. In each turn a player advances initially in accordance with a chance device, and thereafter by answering questions or following other instructions from the card deck associated with the area on which the player lands.

Abstract: The invention concerns a partially inflexible device which may be worn as a glove by one attempting to increase his glove/hand reaction time proficiency in the baseball skills of catching, fielding and catch/throw agility. It also may be used by an instructor or coach in demonstrating or teaching those skills to players of any skill level. The glove has the palm portion thereof made inflexible whereby a user cannot flex the palm to catch a ball by squeezing it with his glove hand. Instead, the user is forced to use his free hand to trap a ball between the inflexible palm of the glove and the free hand. The inflexible palm portion of the glove can be integrally formed with the glove; it can be an insert, permanently secured into a pocket of the glove; or it can be an insert which can be easily inserted into and removed from a pocket of the glove.

Abstract: A portable foot anchor that removably engages the lower portion of a door when the latter is in a closed position to permit a sling that forms a part of the anchor to be engaged by a foot of the user.The anchor when so disposed removably holds the foot of a user in a fixed position, and permits the user to exercise the balance of his body by moving desired portions thereof relative to the stationary positioned foot.

Abstract: A combination weight-type exercising device-savings bank wherein coins can be added to the device as desired to increase the weight of the same. There is an integral, unitary, removable assembly that is press fitted in the opening in the housing that receives the coins. The assembly guides the money through the interior of the housing.

Abstract: A stretchable exercising device is integrally molded from elastic material and has two separate strap sections each with a handle loop. The strap sections being connected to only one other strap section at a generally central, integral joinder which forms a single continuous uninterrupted unitary connection. The other strap section has a greater resistance to stretching than any of the remaining two, due to an increased cross-sectional area. The loop of the other strap section is large enough to receive two feet in a side-by-side disposition. The remaining two strap sections may also be of mutually different resistance to the stretching force.

Abstract: A solid bowling ball contains a top weight distributed along a weight plane and underlying indicia on the top surface which designates the position of the weight plane. The top weight includes two major masses spaced apart a distance such that the top weight commences and ends within less than 180 degrees of curvature. The top weight offsets the weight loss resulting from forming the finger holes and also produces a gyroscopic stabilizing effect when the ball is rolled along the plane of the top weight.

Abstract: A kick ball game comprising an inflatable ball formed of elastomeric material connected to a tether which is looped around a player's neck. The tether includes a connecting segment anchored to the ball, a highly stretchable elastic segment joined to the connecting segment, and an elongated substantially non-stretchable cord secured to the elastic segment. At its free end, the cord is equipped with a spring clamp capable of releasable attachment to the cord itself to form a closed loop to be fitted about the neck of a player. By adjusting the position of the clamp along the portion of the cord received by the jaws of the clamp, the player may eliminate slack in the tether and thereby suspend the ball in front of his foot or, less desirably, his knee or lower leg. Thereafter, the ball may be kicked, swinging outwardly away from the player's foot and then back towards his foot where it may be kicked again, the process being repeated by the player in an attempt to establish a record number of successive kicks.

Abstract: A bingo computer in which every number has a storage location in an addressable memory and a "pick" counter sequentially addresses the memory at a high rate of speed for locations picked and a much lower rate for locations not picked. A display counter shares the memory.

Abstract: A construction in the shape of an octahedron assembles from a plurality of three dimensional U-shaped or V-shaped constructional elements or "pieces." Six identical U-shaped or V-shaped pieces form a single octahedron. Two V-shaped pieces may also form a smaller octahedron. The U-shaped and V-shaped pieces, each having trapezoidal surfaces, can also be used to assemble a variety of non-octahedral constructions. Preferably, the triangular faces of six-piece octahedral constructions are each composed of three trapezoidal surfaces.

Abstract: A golf club for putting comprising a variably configurable head which includes a carrier body having a demountably attached striker insert assembly. The striker insert assembly is formed with a cavity for containing removable weights and may be attached in various ways to the carrier body to change the loft and/or convert the club from right hand to left hand.

Abstract: A golf putter including the conventional shaft having a gripping handle at one end and a ball striking head at the other wherein the ball striking head comprises a body with a shaft engaging bore for receiving the shaft, and a ball striking surface disposed remotely from the shaft engaging bore. The ball striking surface has the configuration of a cylindrical segment of substantially constant radius, intersecting a plane extending through the axis of said shaft along said gripping handle portion and generally parallel to a plane tangent of said ball striking surface at the arcuate center thereof. The magnitude of the radius is preferably between 21/2 inches and 31/2 inches, although radii of up to about 41/2 inches may be useful, with most universal acceptance being a radius of substantially 3 inches.

Abstract: A device for automatically lifting a phonograph stylus from a record after the end of the sound groove has been played includes a pedestal base mounted on a support plate adjacent the turntable and provided with a cavity adapted to receive one end of a boom arm, the free end of which extends to a position over the record run-out groove. The vertical distance between the free end of the boom arm and the record can be adjusted by means of a setscrew. After the stylus has passed the end of the sound groove and entered the run-out groove, a small, thin metal disk located on the top surface of the stylus cartridge receiving shell is attracted to a magnet mounted on the lower surface of the free end of the boom arm and lifts the stylus off of the record.

Abstract: A sound producing device where a recorded sound track on the external surface of an elongate member, such as a drinking straw, produces sound as the straw is moved through a resilient lid of a container.

Abstract: There is described a novel suspension for mounting a phonograph transducer cartridge which has a stylus engageable in the groove of a phonograph record disc. The suspension mounts the cartridge for movement in the suspension only in a direction normal to the disc. A support has an operating position above a plane of rotation of the disc. A pair of carrier members are disposed on opposite sides of the position of a cartridge in the suspension, and cooperatively define a pair of opposing parallel, convexly-curved cylindrical surfaces. The carrier members are mounted to the support for rotation about a respective pivot axis. Each pivot axis is spaced from the respective cylindrical surface in a direction away from the other member, is parallel to the respective cylindrical surface directrix, and is parallel to the disc plane of rotation. Flexible strap means are connected to the carrier members for substantially encircling a cartridge positioned between the cylindrical surfaces.

Abstract: A record player comprises a tone arm provided at the distal end thereof with a pickup cartridge, and a vibration damping device for damping a resonance of the tone arm. The damping device comprises a damping member made of an electrically conductive material and provided at the tone arm in a manner to vibrate unitarily therewith, and a damping unit inclusive of permanent magnet means for forming a magnetic field with respect to the damping member. Eddy currents are generated in the damping member when the damping member vibrates in the magnetic field, whereby damping of the vibration of the damping member and the tone arm is accomplished. The damping device may further comprise an elastic member supported at one end thereof at the tone arm and having another free end and a weight secured to the free end of the elastic member.

Abstract: A shaft coaxially mounted within a cylinder is sealed with respect to that cylinder by means of an annular carrier affixed to the shaft and having its periphery facing the inner wall of the cylinder provided with an annular seal groove having an inverted L-shaped cross section and receiving two circumferentially split, radially expandable seal rings, one of which is rectangular in cross section and another of correspondingly inverted L-shaped configuration, with the L-shaped seal ring having its sliding surface facing the cylinder inclined toward a radial side face thereof at an angle equal to or greater than the angular deflection of the sliding surface towards the inner wall of the cylinder due to the deflection of the seal ring about a circular line extending through the body of the L-shaped seal ring and defining a plane perpendicular to the axis of that seal ring, said deflection occurring as a result of resilient radial expansion and applied fluid pressure on the seal.

Abstract: A sealing system for use in a composite multi-stage pump or pumps is disclosed which utilizes part of the liquid pressurized by the pump to moderate sealing conditions by introducing said liquid to a portion or portions around the shaft, where the sealing conditions are most critical, and by thus reducing the pressure imposed on the sealing portion make the designing of seals easy. Also, by introducing pressurized liquid of relatively low temperature to the critical portion(s), minimum flow rate is lowered and thus the operational range of the pump is extended.When two or more pumps are employed for maintaining continuous operation by alternately switching the working pumps, a flow passage is provided between the pumps so the pressurized liquid from the pump under operation can be introduced to the non-operating pump, thus utilizing the pressurized liquid to prevent liquid kept under pressure in the non-operating pump from leaking therefrom.

Abstract: A seal assembly for use in a cable cylinder to form an effective seal about a generally cylindrical cable section. The seal assembly includes primary and secondary seal members disposed on opposite sides of an alignment sleeve and a retainer sleeve, all of which are disposed within the central bore of a gland member. The central bore includes a plurality of cylindrical bore portions and means cooperating with the retainer sleeve for retaining the seal members and alignment sleeve within the gland for easy insertion and removal thereof.

Abstract: A shaft seal arrangement in a bore of a compressor housing through which a drive shaft extends, which comprises a first seal sheet fitted into the bore and a second seal sheet mounted on the drive shaft which are secured in position on the shaft by a retainer ring means, the indention comprising: a means for mechanically connecting the first seal sheet with the internal wall of the bore to prevent the first seal sheet from rotating. The means for mechanically connecting the first seal sheet with the internal wall comprises a key loosely fitted into a hole which is defined by an axial groove in the internal surface of the bore and an axial groove in the peripheral surface of the seal sheet. Alternatively, the mechanically connecting means may comprise a projection formed to the retainer ring, which projection is engaged with a depression formed in the first seal sheet thereby to prevent the first seal sheet from rotating.

Abstract: An expansion seal for use with a product pipeline which extends through a larger casing is disclosed. The seal may also be adapted to function as a coupling if a leak occurs in the product pipeline. The device comprises a cap having an axial opening to receive a sleeve which then surrounds the pipeline. The periphery of the cap is adapted to be welded to the casing end. The sleeve defines an internal circumferential recess which contains packing, and the sleeve carries means for compressing the packing into sealing engagement between the pipeline and sleeve. The device may function as a coupling by welding the sleeve to the pipeline.

Abstract: There is disclosed a sealing ring comprising an integral piece of resilient metal formed into three or more U-shaped annular convolutions and having outer legs which extend from the convoluted section in a direction essentially parallel to but leading slightly away from the convolutions. The outer legs have a sinuous configuration and terminate in convex portions which define a sealing line when the sealing ring is installed.

Abstract: Disclosed is an inverted cup-shaped cover of deformable material to be fitted over an open socket housing end of a pivotal ball joint assembly. The cover has a pair of opposite end openings, one of which is considerably smaller in diameter than the other and receives therethrough in sealed relationship the shank of a ball stud protruding from the housing through an open end thereof. The cover has a gently curved longitudinal sectional configuration and is flared toward its other end opening at which it is fitted over the open end of the housing. A ring is embedded in the flared portion of the cover and has an inner circumferential edge exposed toward the interior of the cover. This inner edge is sharp-angled and has a diameter slightly smaller than the maximum diameter of the housing at the open end thereof. This ring is formed of resilient material, for example, spring steel.

Abstract: In a boot assembly for forming a dust seal between an axially movable guided member, such as a piston, and a guide member, such as a vehicle brake actuator housing, a seal which seals with the guide member is carried by a rigid carrier member and one part of the seal is movable relative to the carrier so as to be axially elongated and radially reduced in thickness during assembly thereby to reduce the force required to assemble the seal into position on the guide member.

Abstract: A gasket assembly including a metal core member having spaced parallel first and second faces with an annular cylinder bore opening therein. The core member includes an offset portion extending about the periphery of the opening. The offset portion has a first surface raised above one face of the core member and a second surface recessed below the other face of the core member. The offset portion is integrally formed with the remainder of the core member and is connected thereto through sections which have shear stresses therein. In one embodiment a U-shaped shell member is disposed about the core member and the offset portion therein and layers of compressible paper-like material are disposed on opposite sides of the core member extending from the U-shaped shell member. In another embodiment an annular skirt is integral with and extends perpendicularly from one leg of the U-shaped shell member.

Abstract: A collet chuck has a sleeve which is resiliently flexible radially and provided with two axially spaced work-gripping surfaces and two axially spaced conical surfaces on its outer and inner peripheries, respectively. In response to axial movement of an actuator on the chuck body, the collet sleeve is first shifted axially to engage one of said conical surfaces with a similar surface on the chuck body to displace one of the gripping surfaces radially into engagement with one section of a workpiece. Continued movement of the actuator causes a conical surface thereon to engage the other conical surface on the collet sleeve to displace the other work-gripping surface radially into engagement with another section of the workpiece displaced axially from the first section.

Abstract: A chuck wherein the jaws are mounted on the outer ends of rods slideably arranged in the chuck body to incline radially and axially inwardly from the front face of the chuck. The rods are slotted on their radially outer sides for engagement with an axially shiftable actuator. The actuator and the chuck body have an axially central passageway therethrough for directing coolant to the front face of the chuck or for accommodating a workpiece ejector rod.

Abstract: A stabilizer for articles carried within a vehicle bed embodying an elongated support member extending transversely of the vehicle bed and attached thereto. A movable member beneath the support member is of a length to move inwardly of the bed and across the articles carried therein. A pair of actuators carried by the elongated support member are adapted for longitudinal movement toward and away from each other. A link is pivotally connected at one end to each actuator with its other end pivotally connected to the movable member so that upon movement of the actuators in one direction relative to each other the movable member is moved away from the article within the vehicle bed and upon movement of the actuators in the other direction relative to each other the movable member is moved toward the article to stabilize the same.

Abstract: A bicycle fork end construction including a downwardly facing receiver on the free end of each fork leg for receiving opposite respective ends of a wheel hub axle, fastener means releasably securing the axle ends in respective receivers, a rearward retainer depending from each receiver rearward of the received axle end for retaining the axle ends in the receivers upon accidental unfastening of the axle during forward riding movement, and lower retainers extending forwardly below the receivers to retain the axle upon unfastening and riding over rough terrain.

Abstract: A spinner for attachment to the hub of a bicycle wheel is disclosed. The spinner comprises a resilient band having end portions which when spread apart permit the band to be mounted around the hub of the bicycle wheel. Secured to the band are a group of discs each having a display surface which projects radially with respect to the axis of the hub. In a preferred embodiment, each display surface is covered by an adhesive sticker having a colored, light-reflective surface.

Abstract: A moldboard plow that is made in two sections which are hinged together about a horizontal pivot axis, so that the rear section of the plow can pivot about this horizontal axis relative to the front section to permit the plow to follow ground contours. Such hinged plows are useful where the present day large plow assemblies are utilized. The hinge assembly also includes structure for reducing the overall width of the plow for road transport. The present hinged plow is supported at four support points controlled by hydraulic cylinders connected and controlled to insure that when the plow is lowered into the ground the shares will enter the ground at a favorable angle for penetration.

Abstract: A preassembled bearing element including a Teflon disc attachable directly to the trailer plates of existing fifth wheel rigs.

Abstract: The device is automatically re-armed and comprises at least one pyrotechnic jack and a push-member actuated by the jack for unlocking the fixture. A loader carries a plurality of pyrotechnic charges for actuating the jack in succession. A device is provided for igniting the charges and a device is provided for positioning the charges of the loader with respect to the push-member and with respect to the device for igniting the charges.The present invention relates to an automatically re-armed electro-pyrotechnic unlocking device and more particularly, although not exclusively, to such a device applied to a safety fixture or binding for a ski.Safety fixtures are known which are opened by a pyrotechnic charge which is ignited by means responsive to critical exterior influences when said influences appear or act.An object of the invention is to provide an unlocking device of the aforementioned type which is relatively simple in construction and easy to use.

Abstract: A hand truck construction comprising a wheeled, upright frame having at its lower end a load-supporting nose member swingable between raised and lowered positions. The nose member is spring biased to its raised position and the frame and the nose member are provided with a releasable latch mechanism for releasably latching the nose member in its lowered operative, load bearing position. Flexible, reinforcing cables extend between the frame and the nose member to maintain the latter substantially normal to the frame under heavy loads, the connection of the cables being such as to assure movement of the cables to positions inwardly of the sides of the frame in response to movement of the nose member to its raised position, thereby enabling the cables at all times to be maintained within the confines of the frame.

Abstract: An identification assembly and method employing a self contained carbonless image sheet having a transparent film integral with one face thereof.

Abstract: A series-connected business form is adapted to be fed through the printing means of a business machine and includes a continuous pair of superimposed outer webs each having feed bands including rows of spaced superimposed feed holes extending along opposite marginal edges thereof for engagement with the feed means of the business machine so that the form may be thereby advanced into and past the printing means. At least one intermediate web is disposed between the outer webs with transfer material lying on opposite sides of such intermediate web, and the intermediate web is secured to only one of the outer webs.

Abstract: The specification describes a pipe joint suitable for fluid conducting pipework in which there are inner and outer tubes defining a jacket for fluid heating or cooling medium. The joint comprises a gasket shaped to provide continuous annular seals around the inner tube and the passageways along which heating or cooling medium flows through the joint. The gasket and the pipe flanges with which the gasket cooperates define fluid-receiving channels which are located between the sealing zones around the inner tube and the passages for the heating or cooling medium so as to receive fluid which may leak past those zones and allow it to escape radially outwardly from the joint thus preventing leaked heating or cooling medium from entering the fluid stream in the inner tube, or vice versa.