Abstract: A tubular nozzle tip is connected to a holder member that is made entirely of sheet metal, the combination being secured together into a nozzle assembly by the bending and tightening of flanges associated with a housing or cover plate portion of the holder member. Preferably, the nozzle tip has a D shaped cross section at the end to be mounted in the holder member and the holder member includes a cover plate having a channel of similar cross section adapted to receive the nozzle tip and form a passageway for delivering oil to the nozzle tip discharge orifice.

Abstract: In the past wing skin structures have been connected to support substructures by means of rivets or other mechanical fasteners which create stress points and leakage points when aircraft wings are filled with fuel. The present invention utilizes a support substructure having tabs which interleave between plies of a wing skin to mechanically interlock the wing skin and support substructure. The wing structure and support substructure may be fabricated from aircraft composite materials.

Abstract: A small metal member (50) is secured to a surface (32) of a plastic member (30) by lock tabs (54) bent into a recess (34) in the surface (32), and the plastic material of a central boss (38) in the recess (34) is bulk deformed over ends (68) of the lock tabs (54) forming a recessed joint (70).

Abstract: This invention relates to a device for mechanically setting a plurality of small precious stones in a jewel setting having a flat face, which device comprises an upwardly open dish element fixed on a horizontal table, a cover which fits with a very small clearance in the dish element and is centered therein, tools for driving in and setting the stones which are fixed beneath the cover and a jewel setting support which is fixed in the bottom of the dish element.

Abstract: A crankcase oil spray nozzle for cooling the crown of a piston of an internal combustion engine is assembled from relatively few stamped principal housing components which are assembled in a sandwich-like, low-profile configuration. The components cooperate to form a nozzle passageway which extends from an integrally formed well to the nozzle orifice. The well houses a check valve assembly. The nozzle components cooperate to define an internal edge filter.

Abstract: A gripping tool assembly for grip securing an eyelet to a printed circuit board. The gripping tool assembly comprises a flat blade in a blade holder. The blade has a rounded distalmost tip with tapered side edges which extend into semi-circular "curling" portions which segments any barrel of an eyelet pressed thereagainst into curled strips. A conically shaped opening in the holder shapes the non-curled portions of the blade inot biased flanges for gripping any wire inserted into the barrel of the eyelet.

Abstract: A square butt hollow door frame including upper and lower rail members, and a pair of stile members wherein the inner walls of the stile members are provided at each end with a recess defining inwardly laterally extending flanges adapted to be received in corresponding slots defined through each end of the upper and lower rail members, such that when the respective flanges are received in the respective slots, a locking mechanism is positioned, thereby securing the side members and rail members together to form a door frame.

Abstract: A friction clutch having a cover, diaphragm spring and a device for tiltably supporting the spring at the cover. The supporting device has a first support at the cover side, a circular second support at the other side of the spring, and holding sections stamped out of the material of the cover and bent so as to project through cutouts of the spring. The sections orginally extend in the chordal or circumferential direction of the cover and are thereupon bent into planes extending at least substantially radially and at right angles to the plane of rotation of the cover. The entire sections or portions of the sections are bent in such a way that they extend axially beyond the second support and engage that side of the second support which faces away from the cover.

Abstract: A microwave oven structure whose constituent members can be easily and firmly assembled without using a spot-welding process. In given mating members to be joined, through-holes are formed in one of the mating members and squeezed or cut-and-raised projections are formed on the other mating member at positions corresponding to the through-holes whereby the mating members are joined with each other by rolling-over method in which the projections are inserted into the through-holes and caulked by rolling over or bonding the projections.

Abstract: A method of joining first and second flat sheet metal portions in overlapping relation one above the other to form a joint in the two sheet metal portions. Metal adjacent and spaced from one free edge of a first sheet metal portion is cut parallel to the free edge and expanded to form a generally U-shaped female receptacle arcuately domed and tapered inwardly and downwardly in a direction away from the free edge. The second sheet metal portion is cut in a truncated V-shape and the V-shape cut is bent to form a generally truncated, V-shaped male prong bent at an angle with respect to the second sheet metal portion. The first and second sheet metal portions are forced into overlapping engagement, one above the other, progressively, while directing the male prong into the female receptacle.

Abstract: Method for securing a wire in its tensioned condition in a wire driving type window regulator comprising a carrier plate to which a window glass is secured mounted on a pair of guide rails, a raising and a lowering wires each one end of which is secured to the carrier plate and each intermediate portion of which is inserted into an outer tube, said wires being moved up and down directions along a reciprocal passage running partially along the guide rails by a driving means, is carried out by boring a guide hole on either of supporting plates which support the guide rails into which a tube end plug is slidably inserted, and after then the tube end plug is pressed in the tensioned direction of the wire, and an edge of an opening of the guide hole being cut to make a cut piece which is erected so as to maintain the tensioned condition of the wire.

Abstract: A minaturized magnetically-shielded potted electronic component such as a reed relay, is manufactured by first producing a casing by etching a u-metal sheet to produce a casing blank together with fold lines thereon, the blank then being folded to produce a casing part 10 completed by insulating plastics material end walls 21 located between turned-over end wall sections 16,17 integral with the casing side walls 12,13. The reed relay insert 24 and operating coil 25 are mounted on a lead frame 23 including pins 27,28 and then the components are positioned within the casing 10 the lead frame 23 engaging grooves 22 in the end walls 21. The space within the casing surrounding reed relay is then filled with a potting compound and the relay completed by removing the salvage bar 31 from the lead frame 23.

Abstract: A bending device has a slot defined by facing side walls which taper from a reference plane in a direction to widen the slot proportionately with the slot depth to form two opposed facing bending edges. The angle the side walls taper from the reference plane is significant wherein each angle is within a range defined by a minimum value to assure the edges penetrate and sever the tab at its extremities and a maximum value to insure the tab is not completely severed during bending.

Abstract: The connection device between a tube end plate and a header box of a heat exchanger comprises at least one clamp bearing underneath bottom of a peripheral groove of the tube end plate and on top of a peripheral bearing flange of the header box by means of lugs separated by notches. The clamp is preformed for defining upper lugs and lower lugs, said upper end lower lugs being separated by a measure for which a gasket mounted between the tube end plate and the header box is deformed in a regular manner, and said clamp having at least one lower lug of a greater length than width of the bottom of the peripheral groove of the tube end plate and being bent over beyond said bottom.

Abstract: A method and apparatus for assembling speed lacers on sheets, such as the lacing strips of boots, wherein the speed lacers are of generally U-shaped configuration and each comprises an arch-shaped end portion and a pair of spaced legs which extend therefrom terminating in apertures clamping discs. The apparatus comprises an assembly unit comprising a movable die assembly, a stationery die assembly, a punch assembly, a feed finger, a feed block, and a positioning pin. During operation of the apparatus in accordance with the method, a speed lacer is advanced through a channel in the feed block with the feed finger and received on the positioning pin adjacent the forward end of the channel, and the clamping discs of the speed lacer are engaged by dies of the die assemblies to deform the speed lacer to a clamping position wherein the clamping discs thereof clampingly engage the sheet.

Abstract: An improved construction and method of assembly for forming a simulated wire wheel trim is disclosed herein which employs axially inner and outer spoke retainer plate members which are secured together subsequent to assembly of spoke members thereto and operate to securely clamp the spoke members therebetween. The axially outer spoke retainer plate member is provided with a plurality of circumferentially spaced openings which are designed to loosely receive the radially inner ends of the spoke members before the radially outer ends thereof have been inserted in the openings provided in the outer ring assembly.

Abstract: A paper perforating device for creating a series of linearly aligned perforations the length of a sheet of paper. The invention includes a lower member with a series of linearly aligned openings and an upper member with a corresponding number of linearly aligned teeth. Upon engagement, the teeth travel through the openings thereby piercing the paper. The invention also includes a pair of slot-engaging tabs which limit the distance the upper and lower members may travel relative to one another.

Abstract: A manufacturing method of a clutch cover assembly comprising a first process in which an annular clutch cover body of a clutch cover is formed, a plurality of projections extending substantially radially inwardly from the inner periphery of the clutch cover body are formed and ends of said projections are bent so that the projections may extend in an axially inside direction of the clutch cover and toward a center of the clutch cover; a second process in which projection bodies between the clutch cover body and said projection ends are bent so that the projection bodies may extend in the axially inside direction of the clutch cover and toward the center of the clutch cover; and a third process in which a diaphragm spring and a pair of wire rings disposed at both sides of said spring for forming fulcrums for the spring are assembled to the projections, and then, the projection bodies are bent in a radially outward direction of the clutch cover and the projections ends are bent toward the inner peripheral porti

Abstract: An air turning vane assembly in which the vanes are attached to rail tabs by integral locking clips formed upon the rail tabs. The rail assembly is constructed from nestable rails having cutout portions to receive the tabs of similar rails to permit compact nesting. A locking tool has a cutting tooth which cuts a ribbon in a vane wall to form an integral locking clip for securing the vanes to the rails.

Abstract: A manufacturing method of a clutch cover assembly comprising an annular clutch cover provided with a plurality of projections, a diaphragm spring, and a pair of wire rings supported by said projections, characterized in that; said method comprises supporting the lower surface of the diaphragm spring, to which the wire rings have been assembled, by a lower die in such a position that said projections project upwardly from a body of the clutch cover; supporting radially inner sides of portions of said projection bodies positioned below the diaphragm spring by a projection body support provided in the lower die; downwardly bending the free ends of the projections, which incline upwardly from the projection bodies, to predetermined positions by an end pushing-down portion provided in the upper die; and supporting radially inner sides of portions of said projection bodies positioned above the diaphragm spring by a projection body support provided in the upper die.

Abstract: An undetachable flange joint characterized in that it essentially comprises a pair of semicircular clamp halves of which cross-sectional configuration is designed to tightly fit the outer configuration of a pair of tapered flanges to be joined, said clamp halves having curled portions at their both ends, and two annular links adapted to be engaged around the respective curled end portions so that the pair of flanges are tightly joined to one another by firmly holding the whole flanges by means of the clamp halves under wedging force.

Abstract: A method of manufacturing a composite article including a hollow body having a decorative metal plate attached thereto. The method includes the forming of a decorative metal plate and the attachment of the plate to a hollow body. The method can be best described by its application to the manufacture of a push button which involves the following: Forming a rectangular sheet of aluminum which sheet has at least one decorative brushed surface. Machining the brushed aluminum surface of the aluminum sheet in an annular pattern around the perimeter of the sheet to remove a uniform thickness of the aluminum thereby leaving a central rectangular island of brushed aluminum. The central rectangular island thus formed is surrounded on all sides by the machined surface which functions as an apron around the island. All of the machined surface apron on both long sides of the rectangular island is removed leaving tabs of apron extending from the opposite short ends of the rectangular island.

Abstract: A thermally responsive damper assembly for mounting into a duct which is to be regulated by the damper assembly comprises a damper plate having oppositely disposed notch portions and arm portions one piece with said damper plate projecting outwardly in said notch portions and thermally responsive convoluted coil elements having convolutions surrounding said arm portions, bracket means affixed to the outermost convolution of each of said coil elements for attachment to said duct, and each of said coil elements having innermost convolutions keyed for attachment in only one orientation to an arm projecting outwardly in a notch portion of said damper plate.

Abstract: An air turning vane assembly in which the vanes are attached to rail tabs by integral locking clips formed upon the rail tabs. The rail assembly is constructed from nestable rails having cutout portions to receive the tabs of similar rails to permit compact nesting. A locking tool has a cutting tooth which cuts a ribbon in a vane wall to form an integral locking clip for securing the vanes to the rails.

Abstract: A die-assisted squeeze-forming apparatus, for bending hooks of a plate against a container e.g. a tank, is able to be used with various shapes of the plate and container without replacement of the die structure. To that end, the apparatus is provided with a calking die structure which has a plurality of divided, relatively movable dies, each movable die being subject to being individually actuated by an actuator. The preferred embodiment of the apparatus also includes a controlling means which controls the movement of the actuators and a detecting means which detects a feature of the tank which is symbolic of the size and shape of that tank. The electric signal which indicates the feature of the container is applied to the controlling means. Then the controlling means sends a respective controlling signal for controlling the movement of the actuators in order to cause an adequate rearrangement of the shape of the calking die structure should the tank be different in size or shape then the preceeding one.

Abstract: A duct fitting for connecting a branch duct to a main duct including a tubular body having cutting teeth formed on one end thereof for cutting a hole in the main duct by pressing the cutting teeth against the main duct and rotating the tubular body about its longitudinal axis. Subsequent to cutting of the hole, the cutting teeth are bent into engagement with the interior of the main duct to squeezingly hold the main duct between the bent over teeth and a resiliently deflectable mounting flange provided on the tubular body. An air diversion scoop is mounted in the bore of the tubular body and is pivotably moved so that a portion of the scoop extends from the tubular body into the main duct.

Abstract: In a storage configuration of a clutch cover assembly, its pressure plate (14) is immobilized by at least one limiting member (41) comprising two lugs (43, 43') each having two arms (45, 46 (45', 46')). In the method of manufacturing the clutch cover assembly, the lugs (43, 43') are manufactured with a temporary shape (430, 430') and, during assembly, the pressure plate is positioned at an axial distance from the cover corresponding to the storage position. The lugs (43, 43') are then plastically deformed to their final shape.

Abstract: An axial flux induction electric motor and method and apparatus for the production thereof, said motor having a rotor and stator, each formed of a core consisting of metal strip having holes punched therein at longitudinally spaced locations so that holes on the core form radially extending slots on a radial face of the core, and wherein said core has the radially inner coils and the radially outer two coils fixed together by deformations thereby preventing unwinding of the core.

Abstract: A self-tapping duct fitting (10) in the form of a hollow sleeve having an interrupted cutting edge (20) at a one end (14) so that a hole (68) can be cut in a wall (66) of the duct by a rotative motion of the fitting. Preferably, the interrupted cutting edge (20) includes a plurality of teeth (22) which can form tabs bendable against the inner surface (72) of the duct wall (66) once a hole (68) has been cut in order to retain fitting (10) in place.

Abstract: A mechanism automatically mounts end-flanged bags upon a display card disposed in an upright position, with the bags suspended, prior to insertion, in such a manner as to promote movement of the contents away from the flange that is to be engaged by the locking tabs. It includes means for forcing a locking tab of the card out of its plane, for inserting the flange of the bag into the slot formed behind the tab, and for returning the tab through the plane of the card to effect the interlock.

Abstract: A rail for mounting sheet metal turning vanes includes a sheet and integral vane guides extending generally perpendicular away from the plane of the sheet. Each vane guide is a plate slit from the sheet except for one edge along which the plate is bent. The plate is adapted for positioning adjacent to a wall of the vane. An access aperture, partially located in the sheet and partially located in the plate, is adapted to allow access to a portion of the vane wall for contact by a striking tool. A blow from the tool splits the sheet metal vane wall to form tabs which are folded through the aperture, which securely attach the wall to the rail.

Abstract: An insulated wall system and method of construction, which system comprises: generally horizontal metal strapping bands secured to a wall, the metal strapping bands characterized by lines of weakness therein adapted to form tab portions from the metal strapping bands; a solid-panel insulating material placed against the wall and secured by a tab portion of the generally horizontal metal strapping bands, the tab portion extending about one edge of the panel material and against the interior side thereof, so as to secure the panel material against the wall; a generally vertical, metal-bank strapping material secured to the interior tab portion; and wallboard or finished wall material secured to the generally vertical metal-band material, thereby providing for an insulated wall system and method of construction employing solid panel material, without the requirement of wall studs.

Abstract: A fastening system (10) for fixedly securing a first member (12) and a second member (14) of a container (16). The first member (12) is generally planar in contour and the second member (14) includes a fastening portion (30) defining a dome configuration which is drawn from the second member (14). A slot (36) is cut into the fastening portion (30) on one side thereof with the other side defining a cavity (34). The first member (12) is inserted through the slot (36) and extends to a first member portion (38) contained within the cavity (34). The first member portion (38) is bent into a bent portion (38) out of alignment with the slot (36). An adhesive element (42) is inserted within the cavity (34) to substantially fill the same and adhesively secure the first member (12) to the second member (14). In this manner, first member (12) is fixedly secured in a substantially tamper-proof manner to second member (14).

Abstract: A power transmission belt especially adapted for use in variable pulley transmissions and comprising a continuous metal containing band with attached drive blocks. The drive blocks are formed from sheet metal stampings and formed by sheet metal bending procedures.

Abstract: A tool for being hammered against a piece of sheet metal or the like to form a pair of locking tabs in the sheet metal. The tool includes a body member having an anvil portion at one end for being struck with a hammer, and includes a pair of finger members attached to the other end of the body member for causing the piece of sheet metal to be bent into locking tabs when the anvil portion is struck with a hammer.

Abstract: An improved spring and expander cap assembly and method of attaching such expander caps to the opposite ends of a coil spring is disclosed wherein the expander cap is provided with a plurality of fingers which are deflected over the end coil of a helical coil spring. In a preferred embodiment substantially identical end caps are simultaneously secured to opposite ends of the spring.

Abstract: A pinion gear assembly for a starter motor which may be assembled utilizing a simple and convenient assembly process. The pinion gear assembly includes a pinion gear, a cup, a rubber washer, and a spline follower. The closed end of the cup has an opening which passes the body and teeth of the pinion gear, but does not pass intertooth fillets at one end of the pinion gear, thus keeping the pinion gear retained in the cup. The rubber washer is retained between the pinion gear and the spline follower, and acts to absorb shock and allow some movement to align teeth of the pinion gear with teeth of a mating ring gear or flywheel. In assembly, the spline follower is held in alignment with the pinion gear, and the material of the cup is pressed radially inward over the rear surface of the spline follower, forming retaining step portions for retaining the spline follower in the proper alignment.

Abstract: An improved gutter guard clip comprises a strip having at one end at least one tab or tine which can be bent through and under an opening of a screen member of a gutter and the opposite end can be bent over the outer flange of the gutter to hold the screen securely in place on the gutter. The strip can be made of a metal or a plastic material which can be readily bent beyond its elastic limits to retain substantially its bent shape. Modifications of the clip can be readily made by providing a hole in the gutter - overlapping portion through which a nail, screw or rivet can be inserted during the initial installation of the gutter. A method for making the gutter guard clip is also provided.

Abstract: A low-cost method of fabricating a solar absorber panel for use with a flat plate solar collector system is disclosed in which a plurality of formed elongated substantially U-shaped members are fixed in a predetermined configuration to the reverse side of a single sheet absorber member forming therewith hollow fluid passages or ducts. The fluid duct members are provided with a series of tabs which alternately protrude through spaced slits in the absorber panel such that when the tabs are folded over, a tight interlocking construction is produced. The ends of the single sheet absorber may then be folded to form inlet and outlet manifolds connecting the ends of the series of spaced ducts including closing end tabs or the manifolds may be fabricated of U-shaped tabbed members in the manner of the connecting passages. After the mechanical assembly, the entire unit is sealed as by pumping liquid solder under pressure through the unit.

Abstract: A fixing structure is disclosed for fixing an intermediate frequency transformer or other electronic component to a flexible and deformable base plate. The component comprises a base portion for fixing it to the base plate and the base plate is formed with an aperture for receiving the base portion. The base plate includes a strip portion extending along a portion of the periphery of the aperture. The component is provided with a protrusion which extends laterally from the base portion thereof. The protrusion is so formed and so located on the base portion of the component that when the base portion is inserted into the aperture, the protrusion engages the strip portion and deforms it in a direction perpendicular to the surface of the base plate, so that the diameter of the aperture shrinks, whereby the base portion is strongly gripped by at least a portion of the periphery of the aperture.

Abstract: A sieve sheet having radially extending separating slots in order to subdivide the area of the sieve sheet into sieve segments. The separating slots are embedded with plastics material. The sieve segments may be arranged in a configuration differing slightly from a plane, thus stiffening the sieve.

Abstract: A method and structure for joining a harder to a softer sheet are disclosed. Sharp projections are formed surrounding a hole on the harder sheet, and these projections are penetrated through the softer sheet and then bent back and around so as to engage with the softer sheet. In a preferred embodiment, the projections are formed by boring a conical hole in the harder sheet, cutting radial slots which lead outwards from the hole, and bending the periphery of the hole perpendicular to the sheet. The acute angle formed by the conical surface of the hole and one face of the sheet ensures that the projections are sharp.

Abstract: A heat-recoverable wrap-around device is made from heat-shrinkable sheet material, two opposed edges of which may be secured together by fasteners so as to form a sleeve prior to recovery. Each edge region is provided with a strip of rigid material lying generally in the plane of the sheet. The strips may be bonded or embedded within the sheet material, or positioned in terminal loops therein, and are preferably so designed that they can be deformed into an interlocking relationship which withstands the recovery forces.

Abstract: A roller hydraulic valve lifter or similar cam follower mechanism wherein the follower of such an assembly or mechanism is provided with a pair of spaced apart struts to receive the opposed free ends of a roller shaft carrying a cam follower roller. Each free end of the roller shaft is provided with opposed flats parallel to the axis of the shaft to define abutment shoulders which engage the struts to limit axial movement of the roller shaft in the follower. Each strut is provided at its free end with a tang that is bent over to partly encircle a free end of the roller shaft whereby to retain the cam follower roller and roller shaft in unit assembly with the follower.

Abstract: Device for securing screw-shell in lamp socket housing. The device comprises a fixed mandrel for holding the terminal tab of the screw-shell which projects through a slot in the housing and a rotatable mandrel on the fixed mandrel for bending the ears adjacent the terminal tab so that the ears engage the socket housing adjacent the slot for retaining the screw-shell in the housing.

Abstract: An apparatus and method for assembling articles such as clips, comprising first and second components formed from metallic sheet stock, said apparatus including an outer annular member and second and third dial members mounted within the annular member, the annular and dial members being rotatably mounted in a synchronized manner associated with the cycling of a die press. A pair of article components are punched from a sheet of metallic stock during each press cycle and are pushed through an opening in a die block to be received and held at a receiving station in a horizontal orientation in respective ones of a plurality of clamping assemblies formed in each of the outer annular member and second inner dial member, respectively. A pair of article components are punched on a continuous basis with each press cycle with the successively formed pairs of components being received in successive pairs of clamping assemblies which rotatably index under the die block opening.

Abstract: A burner formed from a sheet metal pressing doubled over to define a gas manifold has alternating flame ports 15 and 16 along one edge. Between the flame ports curled over tabs 19 and 20 define horizontally-directed retention flame ports 21. The tabs 19 and 20 also serve to clamp the edges of the pressing together against the strains of thermal cycling, eliminating the need for spot welding.

Abstract: A filament-bearing plate or disk system for cutting grass and the like in which the filament is wound upon later-closed serrations in the disk periphery rather than passed through a succession of holes in the disk periphery; embodiments of the invention have respectively resilient, malleably deformable, and rotationally positionable aperture closing, and a ring closure.

Abstract: The invention relates to a piston assembly for compressor and the method of making the assembly. A piston body is molded with spaced apart downwardly open grooves formed with concave semicylindrically shaped summits and parallel side walls. The summits and sidewalls are formed with pimples. A connecting rod pin having a connecting rod attached thereto is press fitted into the grooves. The pimples may serve as weld pimples by being softened by a welding current. The pimples on the sidewalls may alternatively be mechanically swaged to press inwardly against the rod to hold it in its installed position.

Abstract: An apparatus and method for assembling articles such as clips, comprising first and second components formed from metallic sheet stock, said apparatus including an outer annular member and second and third dial members mounted within the annular member, the annular and dial members being rotatably mounted in a synchronized manner associated with the cycling of a die press. Pairs of article components are continuously punched with each press cycle and pushed through an opening in a die block to be received and held at rotatably indexing receiving stations in a horizontal orientation in respective ones of a plurality of clamping assemblies formed in each of the outer annular member and second inner dial member, respectively.As the annular and second dial member rotatably index, the respective clamping assemblies pivot unit the first and second article components are held in a vertical orientation.