Abstract: A toilet seat lifting apparatus comprising a base which is bolted to the base of a toilet, a foot pedal pivotally mounted to the base, a bowed member formed of a resilient material and interconnecting adjacent ends of the base and the foot pedal, a plate secured to the toilet seat and an arm connecting the foot pedal and the toilet seat, the bowed member being movable between a lowered position and a raised position when the foot pedal is depressed, and slightly biasing the toilet seat away from the toilet bowl so as to prevent the seat from slamming as the foot pedal is released. In the preferred embodiment the apparatus is formed from polypropylene material.

Abstract: A cable car or the like, operable by either muscular or electric power -- e.g. by a stationary motor -- is provided with a railway having a runway whose side walls serve to guide the car during travel along the runway, as well as with an abutment for abruptly ending said travel at the edge of a pool (automatic cut-off means being actuated just prior thereto), while a diver who has derived momentum from belly-down riding on top of the car is consequently propelled outwardly over the pool along whatever trajectory may have been pre-calculated. Although applicable to living divers at recreational pools, the invention is primarily useful for an unlimited range of diver tests via use of midget-size facsimilies of human divers, e.g.

Abstract: A pool cleaning device which includes an arm having a proximal end mounted for swinging movement on a pool edge and a distal end which includes a spray facing towards the proximal end for urging water on the surface of a pool towards a skimmer and a mounting device to connect the proximal end of the device for swinging movement about the skimmer opening.

Abstract: A bed, particularly of the type convenient for the use of an invalid or sick person and specifically constructed to allow the user to defecate while lying on his back on the bed, whereby when the user wants to defecate, a part of the bed mat supporting the buttocks of the user can be removed to form a defecating hole below which an excrement receptacle specifically designed for such use is placed.

Abstract: An improved combination hand tool is designed for interchangeable use in different applications, such as for instance, as a hatchet, hammer, knife, saw or dressing tool and is characterized by including a non-slip grip handle having a dressing tool at one end to aid in the skinning of game or animals and a socket portion at the opposite end to permit detachable connection of a plurality of interchangeable implements or tool attachments, the handle being provided with shoulders at opposite ends both to shield the hand from injury and to effect more positive, firm engagement between the handle and each tool secured thereto.

Abstract: A strap type device releasably fastenable about an annular section of an pneumatic tire inner tube to aid towage thereof, particularly over a water surface. The strap provides a handle to aid a user in maintaining position on the inner tube and to act cooperatively with a depending rudder carried by the lower portion of the strap to provide some degree of steerage.

Abstract: A boat comprising a hull and at least one seat therefor, each seat extending transversely across the hull and being supported by telescoping guide members for movement along a vertical path between a lowered position wherein the seat rests on shoulders defined by portions of the hull, and a raised position wherein the seating surface is approximately at the level of the gunwales, the seat carrying flotation so as to automatically move the same to the raised position in the event of swamping of the boat, with stops associated with the guide members for automatically locking the seat when it reaches the raised position.

Abstract: An attachment for apparatus that is arranged to cut threads on a tubular workpiece. The attachment includes a vertically oriented chute for delivering a stream of the tubular workpieces, by gravity, to a retractable pin on which the lowermost workpiece is supported. A reciprocating member is provided with spring biased jaws for gripping and removing the lowermost workpiece from the pin at the receiving station. The workpiece is moved into opposition with a plunger which transfers the unthreaded workpiece to the thread cutting apparatus. After the threads are cut, the plunger then retracts, together with the threaded workpiece, which is stripped therefrom by a second pair of spring biased jaws and carried away from the plunger so that the now threaded tubular workpiece may be discharged.

Abstract: Machine for preforming shoe uppers of the kind of those in which the periphery of the upper is squeezed between two surfaces during the action of a mold reproducing the profile of the last on which the shoe will be mounted, characterized in that the mold is articulated by one of its ends about an axis fixed in relation to the frame of the machine, and in that said mold can be displaced in a direction at right angles to the axis of rotation of the lever supporting it.

Abstract: A method of manufacturing a segmented clog sole comprising the steps of forming a thick unit sole having a plurality of transverse slots on the mid sole side running across the width of but not through said unit sole, applying an adhesively attached mid and outer sole to the unit sole and then extending or cutting said slots completely through the outer sole and unit sole up to but not through said mid sole.

Abstract: An improved modular expansion joint having proportioning bars to provide support for and to center the beams which run longitudinally in the gap being joined. The proportioning bars extend across the gap under and at an angle to the beams. The ends of the bars slide in channels formed in the ends of the pavement sections being joined. As the gap narrows, the angle between the bars and the beams becomes more acute. Each beam is connected to at least a pair of bars and its position in the gap is thereby controlled. Removable caps are provided on each beam to accommodate replacement of the resilient seals between the beams.

Abstract: A rake device including a rake head adapted to carry a multiplicity of rows of teeth pivotably retained by the rake head. The pivotably secured teeth are disposed to extend from one side of the rake head, where means are provided to limit pivotal movement of the teeth from a first position on one side of a line transverse to a plane over which the rake is passed to a second position on the opposite side of said line in response to back and forth movement of the rake means over the surface to be raked.Each row of teeth pivotably carried by the rake head and handle means can be attached to the rake head to facilitate movement of the rake head over the surface to be raked.

Abstract: A hair brush, particularly useful for blow waving has a back of open frame construction to facilitate the flow of hot air. Folded single bristles are inserted into holes on the front surface of the brush in a staggered relatively uniform arrangement. The bristles are relatively thick in diameter and include a bead at one end to avoid scratching the scalp. The thickness of the bristles enables them to withstand the heat of the air used in blow waving.

Abstract: A windshield wiper blade liner made from a substantially non-wettable synthetic polymeric material which is pre-stressed to snap onto a wiper blade. The liner is formed with a V-shaped wiper section and a plurality of upper lever arm sections which are integral with the wiper section and are separable to assist in positioning the liner on the blade and in removing the liner from the blade.

Abstract: A combined corner bracket and door roller assembly for use in a sliding metal patio screen door. The corner bracket is provided with first pivot means about which a roller assembly pivots during adjustment and in use. The roller assembly comprises a housing, a roller, a second pivot means for mounting the roller in the housing and an elongated curved resilient arm connected to the housing which provides for resilient mounting and adjustment of the roller assembly. The second pivot means is positioned between the first pivot means and the extreme outer vertical edge of the door so that the roller is positioned much closer to the vertical edge than in the prior art. By this device the wheel base of the door is maximized, the door is always resiliently mounted on the track, and the problem of track jumping is minimized.

Abstract: A hinge having stationary and turnable components which respectively carry cams which cooperate with each other to displace the turnable component upwardly with respect to the stationary component during opening movement while permitting the turnable component to move downwardly with respect to the stationary component during closing movement. In addition, a spring structure acts on the turnable component to urge the latter to carry out its closing movement with respect to the stationary component.

Abstract: A food processing apparatus for removing leaf fat from the abdominal cavity of a hog carcass wherein a first plate and a second plate are positionable with respect to the hog carcass, the first and second plates being engageable with a portion of the exposed surface of the leaf fat in a removal position of the first and second plates with respect to the leaf fat to be removed. A handle assembly connected to the first and second plates is utilized to position the first and second plates into and from the removal position via maneuvering the handle assembly. A first hook is connected to the first plate and a second hook is connected to the second plate for severingly engaging a portion of the leaf fat when positioning the first and second plates in the removal position for severing a portion of the leaf fat from the hog carcass to facilitate the removal of the leaf fat.

Abstract: A cutter for removing a tough surface layer from pieces of material, more specifically for skinning fish, particularly fillets of fish. By means of a roller, the pieces of material are conveyed past a stationary cutter which removes the surface layer by cutting in between the latter and the piece of material, the surface layer passing between cutter and roller while the piece of material passes above the cutter. The cutter has adjacent its edge a projecting wall portion extending transversely of the travelling direction of the pieces of material and away from the cutter side opposite the roller.

Abstract: A retention device for filleting fish comprising a flat surface-forming, elongated body for supporting the fish to be filleted. The body is provided adjacent its forward end with a curvate opening, the bight portion of which extends forwardly of the body, and having a forward and rearward edge portions. The curvature of the opening is generally the same as the anterior edge of the external gill openings of a fish whereby the gill openings are receivable within the opening. The body opening rearward edge is provided with a series of serrations or corrugations for wedging engagement within the individual gill ports of the received fish for maintaining the same stably in position on the body during filleting.

Abstract: A series of roller pairs in the drafting zone of sliver drafting apparatus have toothed or needlelike projections. The projections are spaced circumferentially and axially of the rollers so that projections of cooperating rollers either within a pair or between rollers of adjacent pairs are periodically interdigitated, as seen axially of the rollers, in spaced relationship as the rollers rotate at constant angular velocity. The rollers carry toothed wheels engageable for positive drive without backlash by a toothed belt. The upper rollers of the pairs are driven by a common endless loop belt and the lower rollers by a second belt. Each belt passes over a spring-loaded jockey roller which tensions the belt and which can be moved against the spring force in response to overloading tension on the belt caused by retardation of roller rotation in response to excessive fibres between a roller pair. Such movement of the jockey roller actuates a limit switch to shut off the belt drive motor.

Abstract: An injection molded safety pin particularly for use as a laundry net pin or for attachment of hunting tag holders to jackets and the like, said pin including a free shaft having a pointed first end with a groove which is transverse the shaft and adjacent the pointed end, a fixed shaft integrally connected at one end by a U-shaped portion to the second end of the free shaft, a head assembly integral with the second end of the fixed shaft and having a slot which is narrower than the free shaft to receive said first free end of the free shaft with a protrusion extending into the slot to engage the transverse groove on the shaft, said head assembly may include a spring biased clip or a wall which prevents the free shaft from deflecting out of the slot.

Abstract: A garment clasp with a base plate having connected thereto, preferably formed thereon bearing members in which by means of a bearing pin there is pivotally mounted a substantially L-shaped clip which by means of a spring arranged in the base plate is held in a stable position both in its open position and its closed position, in which latter the free end of the clip comes to bear against a stud carried by the base plate. Laterally on the clip in the vicinity of the bearing members therefor there are provided channel-shaped detent recesses for a U-shaped wire spring having substantially parallel legs preloaded in their engaging direction.

Abstract: A method of traversing a strand between two spaced rows of strand-restraining elements moving together in the same direction in the same plane to form a web is implemented by a pair of strand-engaging members associated with each row of strand-restraining elements for slideably engaging the strand and moving it in alternate traverses toward one and then the other row while forming a loop in the strand during each traverse. The loop is brought into a plane parallel to the plane of the rows of strand-restraining elements and beyond the rows. Means are provided for disengaging the loop from the strand-engaging members and depositing the loop around the strand-restraining elements.

Abstract: Method of treating synthetic threads, particularly filament or foil threads comprises heating the threads up to the center of their cross-section, crimping the heated thread, forming the crimped threads into a wadding, heating and compressing the wadding to reduce its volume and thereafter cooling the compressed wadding. An apparatus for treating the yarn includes a continuous heating chamber which is arranged adjacent a cooling chamber. An apparatus is provided for feeding the yarn to be treated toward the heating chamber and for crimping the yarn preferably while it is heated and perhaps also stretched. Crimping may be carried on by directing the thread under a fluid force against a screen, by passing the thread between a pair of rollers which have crimping means or by a combination of the two and, in addition, stretching means may be provided to stretch the thread.

Abstract: At least one barb is formed on the needle with a groove between the barb and the needle shaft. All of the surfaces of the barb and all of the surfaces of the groove are completely rounded in such a manner that no plane surfaces remain.In some preferred modifications, the angle included by the forward line of the inside surface of the barb and the needle axis is 90.degree. or more, and may range between 90.degree.-100.degree..The means for fixing the felting needle to a needle board may consist of a laterally deformed portion provided at the rear end of the needle shaft and extending transversely to the needle axis.

Abstract: An intermediate semi-trailer unit which is towed by a highway tractor and tows a standard cargo semi-trailer. The standard trailer is attached to the intermediate trailer unit by a fifth wheel mounted on a portion of the chassis which permanently extends rearwardly beyond the cargo container of the intermediate trailer unit. The fifth wheel is positioned over or ahead of the rearmost bogie of the intermediate trailer unit. Means are provided to form, temporarily, a horizontal platform over the fifth wheel for the loading and unloading of the cargo container.

Abstract: Apparatus for forming a multiple throw crankshaft from metal rod in a single forming operation. The ends of the rod are held in axially movable units through which electrical resistance heating to a deformation temperature may be effected. A forming head for each throw is clamped about the rod at a precise location therealong. The forming heads are mounted on individual carriages, which are axially movable along the machine base, and each supports a subcarriage for horizontal transverse movement on the carriage driven by a horizontal cylinder. Each subcarriage supports one of the forming heads plus a vertical cylinder for moving the head transversely up or down. Control means is capable of simultaneously actuating the horizontal and vertical cylinders associated with any individual forming unit to thus achieve composite deforming movement of the forming head in any desired transverse angular direction.

Abstract: A mechanism for handling and insertion, in surfaces of face plates or viewing panels for color television picture tubes for support of aperture masks, each of a plurality of relatively elongate support pins having a generally channel-shaped cross-sectional configuration, the mechanism being operable in cooperation with a heating means disposed adjacent said face plate for heating each of said pins prior to and for the purpose of the insertion thereof in said surfaces.

Abstract: Cable lengths are prepared for extruding a plug at the end in that the lengths are stepwise moved through stations, in which each cable length is turned and oriented as to its leads; the lead ends are stripped, tinplated and shaped in sequential stations followed by connecting preassembled contact prongs to the lead ends. The plug body is then extruded around the prong-lead connections. The lead orientation is electro-optically servo-controlled and the prong to lead connection is made by a funnel for threading the leads into the hollow prongs followed by squeezing the prongs to fasten the leads thereto.

Abstract: A thick layer of epoxy resin is used to bond together the piezoelectric member and a stainless steel cap to form an acoustic transducer having a broad frequency response, and specific assembling steps are taken to manufacture the transducer with good reproducibility of the characteristics.

Abstract: A cartridge for adjustably mounting cutter bits on a toolholder is provided. Lateral adjustment of the cartridge is achieved before or after insertion of the cartridge in the toolholder by sliding interaction of adjusting wedge means and a mating surface on the cartridge body actuated by a rotatable eccentric pin. Longitudinal cartridge adjustment is by adjustable means mounted in the end of the cartridge body. The cutting edge angularity of the insert is maintained at all times. Additionally, full mounting surface contact is preserved.

Abstract: External bending of an inner shaft improves the performance of hydrostatic bearings in a controlled deflection roll arrangement. A deflection sensing member within the deflection roll sends signals through a control circuit to a biasing arrangement near the ends of the shaft that applies a force into the inner shaft, causing it to bend and counter any deflection in the roll.

Abstract: A roller for a continuous track on a crawler tractor or the like comprises two sections welded together to define an interior lubrication cavity which communicates by means of lubrication passages to spaces containing bearings and to an exterior lubrication port. Liquid plastic material capable of in situ foaming to form an open cell plastic mass is injected into the cavity and passages wherein it sets into an open cell plastic mass. Subsequently, lubricating oil or grease is injected under pressure through the lubrication port to fill the open cells of the plastic mass for storage and subsequent supply to the bearings through the lubrication passages. The open cell plastic mass also provides a barrier or filter for particles of contaminants disposed in the cavity as a result of welding and other manufacturing steps and prevents circulating of such particles with the lubricant and damage to the bearings and seals.

Abstract: Complementary semi-tubular metal bars of non-porous metal are extruded to form bar stocks of given length, complementary edges of the semi-tubular metal bars are clamped in edge abutment, a series of longitudinally spaced holes are drilled along respective edges through one of said bars and partially through the other, the holes partially drilled through the edges of the second bar are tapped and the bars are screwed together prior to severing individual connecting rods from the joined bars at points intermediate of the screws.

Abstract: An electronic component insertion apparatus having an inserter assembly rotatable from a drive position to a feed position where a feeding subassembly feeds a component along the longitudinal axis of the inserter assembly into the inserter and subsequently the inserter assembly is rotated back to the drive position where it is driven along its longitudinal axis to insert the component into a circuit board.

Abstract: A mechanism for automatically and sequentially feeding each of a plurality of pins, for supporting aperture masks adjacent the glass face plates or viewing panels of color television picture tubes, to a mechanism or gun for insertion of each of the pins into the glass of the face plates or viewing panels. The mechanism includes a rotatable turret or cylindrical pin magazine or canister which holds a relatively large quantity or plurality of the pins vertically stacked in columns adjacent the outer periphery of the turret or magazine for the pin feeding operations and which can readily and rapidly be removed from the mechanism and replaced by another full turret or pin magazine when the first one is empty of pins.

Abstract: A tag applicating device includes a pair of crimping pliers having a magazine for sequentially supplying the pliers with fasteners and a tag holding and dispensing magazine coupled to the pliers. The tag holding and dispensing magazine is oriented so as to utilize the fasteners themselves as a registering stop. Alternatively, an adjustable stop may be provided such that individual tags can be advanced and registered with respect to the crimping pliers for application of the tags to objects such as branches or the like with the fasteners passing through the tag as the fastener is clamped around the branch.

Abstract: For use in combination with a work roll mounted on the end section of a shaft by means of a sleeve member axially inserted in a wedged operative position therebetween, a fluid actuated tool assembly removably engageable with the shaft and sleeve member for axially moving the sleeve member into and out of its operative position. The tool assembly preferably comprises a piston contained in a cylinder which during use is movable axially relative to the piston. At a first end of the tool assembly, the piston is removably attachable to the shaft and the cylinder is arranged to abut the sleeve. At an opposite second end of the tool assembly, the cylinder is removably attachable to the sleeve, and the piston is arranged to abut the shaft. The piston and cylinder have cooperating internal surfaces arranged to define a chamber adapted to receive fluid under pressure, the said fluid pressure being operative to move the cylinder relative to the piston.

Abstract: A method of stripping from a dynamoelectric machine stator a plurality of windings thereof having one of a pair of opposite generally annular grouping of end turns of the windings secured therefrom. The method includes the steps of: lowering the stator onto means for seating and supporting it so as to dispose the other of the end turns in a predetermined position; gripping the other end turns for maintaining them generally against displacement from the predetermined positions; and driving the seating means generally upwardly relative to the winding and moving the stator conjointly therewith toward a position displaced from the windings while gripping the other end turns in the predetermined position thereby stripping the windings from the stator.

Abstract: The method includes the steps of forming separately a pair of spaced recesses in a carrier plate, the recesses having a parallelogram configuration other than a rectangle and a cross member therebetween providing an axis of symmetry, the recesses being symmetrically disposed with respect to the axis of symmetry to approximate a sector of a circle; pressing and age-hardening separately a plate of friction material having a thickness corresponding to the desired thickness of the friction pads; cutting at least a pair of friction pads from the plate having the dimensions and shape of the recesses; and placing and securing each of the pair of friction pads in a different one of the recesses so that the pair of friction pads are disposed symmetrically with respect to the axis of symmetry to approximate a sector of a circle.

Abstract: Access to mold halves disposed on and between opposed stationary and movable platens of a molding machine is facilitated by releasing and at least partially retracting, from the zone between the platens, at least one of a plurality of tie rods extending therebetween. A tie rod is at least partially removed by (1) slidingly translating the movable platen along the tie rods toward the stationary platen, (2) releasing one tie rod from connection with the stationary platen and connecting it to the movable platen, and then (3) slidingly translating the movable platen away from the stationary platen along tie rods remaining connected thereto, to at least partially retract the released tie rod from between the stationary and movable platens.

Abstract: A method for preparing and an apparatus for supporting appliances thereon, the support being a base member with means on the top side thereof for mounting an object thereto. The base member is comprised of a conduit member having disposed at preselected portions therein hollow inserts arranged with axes at right angles to the axis of the conduit member and surrounded by resilient foam materials which maintains the base member in a preselected configuration to support the object mounted thereto.

Abstract: A process by which a complex shape of a sand core is reproduced in a metal plate which is made to the exact size of the sand core through a double casting process using different materials.

Abstract: In magnetic disk equipment or the like, the read/write magnetic heads are each bonded to the wall of a thru-hole of a carrier plate adapted to act as a "flying" member maintained by an aerodynamical action in close proximity to the surface of the rotating disk. In a device according to the invention, the bond between the lateral surface of the head and said wall is made to ensure magnetostatic and electrostatic shielding of the head against spurious magnetic, electromagnetic and electrostatic fields. Said bond may comprise thin films of a high permeability anisotropic material coating at least the facing surfaces of the head and the wall and a layer of solder intervening between said films. Such a shield may partially extend over selected areas of the rear faces of the plate and head.

Abstract: Multilayer printed circuit boards are formed by providing a plurality of board assemblies having appropriate ground, signal and voltage planes. Each assembly is built around a dimensionally stable core to enhance registration between levels and is processed in such a manner that there exists a relative dimensionally stable configuration when performing method steps important to maintain good registration. The assemblies may constitute a completed multilayer board or may be subsequently combined to provide a more complex multilayer printed circuit board.

Abstract: A machine element is guided for linear movement along an I-beam by means of two endless rows of rolling elements on each side of the beam. The raceways for the roll bodies under load extend along the inner edges of the flanges of the beam, the raceways being positioned so that the force action lines on the roll bodies in the two raceways on each side of the beam converge in a direction away from the respective side of the beam.

Abstract: A mat cutter substantially according to U.S. Pat. No. 2,924,010 dated Feb. 6, 1960, with the addition of a vertical radius bar having an adjustable center point, and means for attaching the bar to the mat cutter body with the point of the cutting blade substantially in line with the center point about which the mat cutter pivots, to cut generally exact circles. The mechanism holding the blade to the mat cutter body is utilized to secure the vertical radius rod in position.

Abstract: A haircutting machine by which a haircut may be performed without need of help from another person or a hairdresser in executing the work. The haircut is attained with the use of the machine, which consists of an oblong metallic plate ending in a handle, that has on each side a series of comb teeth specially formed in various shapes and lengths of teeth. The machine can be adjusted for haircutting in various depths, or to the respective shape of the scalp or any other hairy part of the human body. The possibility of adjusting the machine, as the case may be, can be further regulated by increasing or decreasing the distance between the cutting edge of the blade and the tip of the teeth by a proportionate transposition of the cutting blade along the comb's teeth by attaching the cutting blade on a moving bearer that can be slid along the comb's teeth and also can be fixed at the desired position.

Abstract: A combination hunting knife includes a larger, integrally formed knife having a handle portion comprised of a pair of parallel tangs defining an elongated open space therebetween which snugly receives a smaller knife for storage. An integral, resilient cantilever acts as a detent for releasably retaining the smaller knife within the larger knife, while the relative configurations of the two knives are such that the honed knife edge of the smaller knife does not contact and is protected from engagement with the larger knife.

Abstract: The guide has a four sided cam, and a face of the cam engages the marginal side edge of a sheet placed on a work table. A square rod is slidably received in an axial opening in the cam, to be clamped in a predetermined position for scoring parallel the sheet edge. The rod is adapted to be inserted in four different orientations, with the result that the scoring tool is located at four different heights above the work table. This geometry sheets of four different thickness to be conveniently scored to a predetermined depth. A second rod holds a second tool suitable for scoring a second material.