Abstract: A clamp, particularly adapted for use with a clothes hanger, has only two parts or jaws, one jaw of which may be integral with the clothes supporting branch of the hanger. One part of the jaw of the clamp has a pair of closely spaced, transversely extending, members forming a space therebetween, at least one of said members having resilient characteristics as is found in certain plastics, such as Nylon. The clamping end of said jaw includes a resilient loop. The other jaw consists of a curved elongated arm having a slotted pivot means on one end, and a head on the other end. The opposite side of the pivot means carries an indexing means. The slotted pivot means engages one of said transversely extending members forming a pivot for the arm, and the indexing means engage and ride along the other of said transversely extending members, giving the pivoted arm a step-by-step snap action motion when rotated about the pivot.

Abstract: A coffin comprising substantially pairs of mutually opposing side walls, a bottom and a lid. At least the side walls are made of a strong corrugated paper material having inwardly turned bottom flaps. The bottom flaps are fixed between an outer bottom plate and an inner bottom plate whose edges abut the inner surfaces of the side walls. Attachment means are provided for mounting foot supports on the under surface of the bottom plate, said attachment means extending through at least the outer bottom plate and the bottom flaps.

Abstract: A device for intermittently tensioning a yarn passing therethrough in which a motor cam acts on a tension train mounted on a fixed shaft. The tension train is composed of a tension adjuster which provides tension on a base plate, spring, and tension discs mounted between a stop and the tension adjuster. In an embodiment of the invention a method for intermittently tensioning a yarn by passing the yarn between the tension discs of the device described above.

Abstract: An apparatus for applying and affixing sleeves of dielectric plastic material to galvanic cells. The apparatus includes a carrousel having a cell receiving station, a sleeving station and a discharge station with a tester for testing and rejecting cells between the receiving and sleeving stations. The apparatus further includes feeding means for feeding sleeve length units from a spool supply, gripping means for gripping each fed length, while such length is cut and for opening the cut length, pusher means for pushing the cut length from the gripper onto the cell and heater means for heating and shrinking the cut length on the cell into gripping contact with such cell.

Abstract: A paint applicator roller formed of a plastic molded cage made in two elongated matching halves which are aligned to form a roughly cylindrical shape for inserting within a tubular applicator core having an outer applicator surface. The axle of the handle frame is journaled within central bearing forming bores located within the cage. The distance between the bearings is less than one-half the length of the core so that the axle is considerably shorter in length than the core. The two cage halves may be opened, i.e., separated, or may be closed, i.e., radially aligned about the frame axle for rotatably mounting the cage upon the axle.

Abstract: A method of forming a valve seat having a resilient plastic insert received in a serrated groove of the seat. The insert is inserted into the groove and is pressed therein with a power driven ram to effect cold flowing of the insert into serrations in the sides of the groove. The insert is then subjected to hydraulic fluid at a relatively high pressure level to completely bottom the insert against the bottom of the groove prior to machining of a protruding sealing surface of the insert. The invention is directed additionally to another method which includes the step of swaging a lip into the insert to secure it in a non-serrated groove of a valve seat. Hydraulic fluid pressure is then applied to the insert to completely bottom it in the groove prior to installation of the seat in a valve body.

Abstract: A process and apparatus for making composite sheet and heat exchanger panels therefrom. At least two sheets of metal are bonded together by cold rolling to form a "green" bond. Immediately following the bonding operation the as bonded composite is quickly cooled to a temperature at which noticeable bond enhancement will not occur. A desired pattern of tubular passageways is then inflated into the composite while the composite is held in a die.

Abstract: A process and apparatus for forming an as-rolled composite metal panel comprised of at least two sheets of metal having a bond therebetween which can be broken by inflation to form a desired pattern of tubular passageways. The deformation of the sheets of metal during inflation is limited by a maximum aspect ratio. Inflation is provided using an inflation needle having a cross section which is a part or full oval. A fixture is provided for limiting the peeling apart of the composite metal panel upon insertion of the inflation needle.

Abstract: A multi-purpose cargo shipping container having provision for optional individual unit use or plural interlocked use. On the one hand the individual unit may be utilized for carrying relatively high density cargo, while on the other, a pair of interlocked units forming a container may carry low package density cargo. The units are modular to permit more efficient utilization of the cargo stowing area in ships, rail cars and motor carriers.

Abstract: A shaft puller is provided for extracting a shaft having a threaded end exposed from a surround structure. The puller includes a housing having a threaded bore therethrough with the threads being of an opposite hand from the threads of the shaft. The puller also includes a spindle member having external threads which threadably engage the bore of the housing. The spindle member also has a bore therethrough to permit engagement of the spindle member and housing onto the shaft. With the spindle member engaged into the housing, the spindle is placed over the shaft and a nut, normally received on the shaft, engaged thereon against the end surface of the spindle member. By turning the spindle member in a direction to advance the nut on the shaft, the spindle member turns out of the housing to extract the shaft from its surround structure by acting between a reaction face on the surround structure and the nut on the shaft.

Abstract: A corrosion resistant fastening system for use with metallic targets exposed to corrosive, aqueous environments, comprising a fastener and a planar coupon each formed of a corrosion resistant alloy. The fastener is driven through the coupon and into the target by means of a powder actuated tool, whereby the coupon is maintained in intimate contact with the target surface. Corrosion thus preferentially occurs at the interface between the target and the coupon, the interface between the target and the fastener being thereby protected.

Abstract: A sealing system for a rotary rock bit retains lubricant inside the bit and acts as a barrier to the pulverized cuttings and other materials in the borehole to prevent the materials from entering the bearing area through the cone mouth opening of the rolling cone cutter. A protecting washer is positioned outside of an O-ring seal element in the gap between the base of the rolling cone cutter and the body of the earth boring bit. This protects the O-ring seal element from the hostile drilling environment and increases seal life. During assembly of the bit, a gauging station is established to measure the size of the gap that will exist when the rolling cone cutter is installed on the bit body. Protecting washers are provided in numerous thicknesses. Upon determining the size of the gap, a washer is selected that will allow the gap to be narrowed to a size that will restrict passage of most of the abrasive particles found in the drilling fluid.

Abstract: Apparatus for positioning a first part with respect to a second part is characterized by a cylindrical guide respectively attachable to each part, a helical surface being disposed on each guide, each helical surface including a right hand half and a left hand half. A piston-cylinder is disposed on the second part, the piston being extendable to engage the guide on the first part to axially align the guides. After alignment, the piston is retractable to bring the helical surfaces into contact to generate a torque and align the parts. In another embodiment, the guide for the second part is formed on the piston while the guide on the first part has an axial alignment member projecting therefrom to engage the guide on the second part to align the guides. Once aligned, the helical surfaces contact each other with the piston extended. The contact between the helical surfaces causes the rotational alignment of the second part with respect to the first part.

Abstract: Methods and means for manufacturing, packaging and assembling a modular railway car includes fabricating the floor, sidewalls, roof and end frame components for a railway car, each component having areas capable of receiving weld joints or bolt openings to provide interconnecting means. After manufacture, all the components are packed for shipment in an open bottom container with the floor secured to the sides of the container providing the support for the other components with the roof on top. At the point of destination, the container is placed on a jig or fixture on which the components are assembled. After removal of the container, the top roof is removed to permit the sidewalls and end frames to be raised and assembled in place. The roof is then connected. All the components may be interconnected by bolting or welding.

Abstract: A solder pack consists of a thin heat resistant carrier board having spaced holes therethrough in which are held solder rings. The solder pack is, for example, placed over pins supported in correspondingly spaced holes in a printed circuit board so that each pin protrudes through an associated solder ring in the solder pack. Heat is applied to melt the solder rings to solder the pins to the printed circuit board. Two representative means for manufacturing solder packs are disclosed.

Abstract: A programmable read only memory array of the fusible link type employs a small part of a deposited metal film as a fuse. The film is covered by a protective glaze which seals the surface of the semiconductor chip to avoid deterioration of the transistors or other components. In order to minimize heat loss to the semiconductor substrate when programming, and to provide a cavity beneath the protective glaze, the metal film is raised above the surface at the position of the fusible link. This is accomplished by a segment of photoresist applied prior to metal deposition, then removed with photoresist stripper after the metal is patterned.

Abstract: A method of making a socket contact by forming a slotted cylinder and pressing it beyond its yield point to effect an oval like socket. In engagement with a pin, the socket wall provides a highly efficient spring action which is capable of producing high insertion and removal forces.

Abstract: An anode connector for use in an impressed current cathodic protection system comprising a cup-shaped housing member made from a material which is permanent under anodic conditions with a plug insert member with a central aperture made from conventional current carrying metals which is press fit into the cup-shaped housing. The cup-shaped housing can then be welded to an anode. A cable conductor for the anode which is well insulated except for the end is positioned with the uninsulated end in the central aperture of the plug insert and soldered thereto to provide excellent electrical conductivity between the cable and the plug. The cup is then filled with suitable insulating potting material which covers the plug and the cable conductor to a height above where the insulation begins. This invention provides a rigid, reliable anode connector which is able to withstand anodic conditions in an impressed current cathodic protection system while still providing the current to the anode.

Abstract: A fixture for holding zipper sliders is disclosed as including a clamp attached to a generally inverted J-shaped standard having in the upper edge thereat a slot adapted to receive a zipper slider. A tip of the standard adjacent the slot is rabbetted on both sides transversely to the slot so that the tip has a width equal to that of the slot, and the top of the tip lies in the same plane as the bottom of the slot.

Abstract: An assembly line for parts of electronic and other equipment having a plurality of assembling stations, each station including a conveyor belt for successively conveying articles from the adjacent station, a drive source for the conveyor belt, means for stopping each of the articles including a stop lever for engaging a boss attached to each article for stopping each article in an operating position, means for positioning each article including a positioning pin for insertion in a hole formed in each article for positioning the article stopped in the operating position, a picking and placing unit for assembling each part with one of the articles after parts are successively fed by a supplying device, and an assembly line base machine provided with an operating panel for operating the drive source, article stopping means, article positioning means and picking and placing unit. Shifting of the stations and reorganization of the assembly line itself can be readily carried out.

Abstract: A medicine dropper cap and bulb assembly apparatus including a first orientation means for positioning the caps for delivery to a chute for insertion of a bulb at an assembly station; a second orientation means for medicine dropper bulbs to be positioned for insertion into a cap and delivery to the assembly station; a rod for driving the bulbs into seating engagement on the caps.

Abstract: A retractable blade knife adapted for use selectively with either the long narrow standard type of blade having score lines for breaking off successive end portions when worn and a large hole at its rear end or the shorter wider type of blade, sometimes double ended, with one or more smaller holes. The knife has a two part blade carrier. One part slides longitudinally relative to the other into two click positions. In each of these positions the upper part can pivot at its front end relative to the lower part. The rear end of the upper part is spring-biased away from the lower part to engage detent means on the upper part with detent means on the casing to locate the blade carrier. The front part has two bosses of different diameters, the small diameter boss projecting above the large diameter boss. All the blades lie in the same plane in the casing when in use respectively.

Abstract: In the present invention, a pair of conventional sheet metal shears may be safeguarded quickly against hand injuries for conventional uses as well as equipped and prepared for special conditions, and, easily restored for other or regular uses with respect to either one or both shear blades of standard shears regularly employed for cutting and trimming sheet metal. An improved safety snap-on guard can be used for all work, either by re-orienting the guard or inverting the shears with the guard in place.

Abstract: An improved apparatus for cutting vegetation which is especially adapted to be employed with units having a top mounted gasoline motor interconnected by a drive tube to a lower rotating cutting head. An accessory handle is carried adjacent the motor. A housing carried on the lowermost drive tube encloses bearings and provides a journal for the cutting head. An actuator housing bolts to the housing and interfits for rigid support. A mechanical line feeder on the cutting head is operated by an actuating lever carried on the accessory handle through an interconnecting control cable. Reciprocation of the control lever operates the mechanical line feeder so that a predetermined length of cutting line is extended from the cutting head during rotation without interrupting cutting.

Abstract: A cutting device for trimming grass and removing soil and debris from around a sprinkler head. The device includes a shaft with a handle mounted at one end to permit the user to push down and turn the device at the same time. A tubular cutting member is mounted at the other end in combination with a foot stand for enabling the user to initially push the cutting member into the ground by standing thereon. A pair of projecting blades extend from the inner surface of the tubular member and are limited in length to permit passage of the sprinkler head therebetween. These blades are also slightly pitched to develop a digging action upon rotation of the device in the ground around the sprinkler head and attached pipe. After the device is inserted into the ground and appropriately rotated, it is withdrawn with the enclosed grass, soil and debris.

Abstract: According to the invention, a device is provided for removably mounting dental bridge works and the like to an area to be bridged which comprises a retention bar having an arcuate transverse cross-section adapted to be secured to an abutment spanning an area to be bridged, and a clip adapted to be secured to a bridge piece and operative to resiliently couple onto the retention bar.

Abstract: A method of retaining dentures in position by use of magnets. A first magnet element is mounted to a support associated with a person's jawbone, such magnet element being exposed at or above the gingival margin of the person's gum, and a second magnet element is located in the denture. The second magnet element aligns with and abuts the first magnet element when the denture is fitted to the patient. Retention is achieved by way of magnetic attraction between the first and second magnet elements, one at least of which is a magnet that exhibits a magnetic field.

Abstract: The present invention relates to the bracket of an orthodontic appliance for the treatment of dental malocclusion. Brackets of the present invention, which are used for securing the orthodontic wire, are all bonded to the internal sides of teeth, that is, the lingual or palatal side. The wire fixing slot of these brackets is formed either approximately parallel to the tooth axis so that the orthodontic wire may be inserted from the direction of the occlusal plane, or formed almost at a right angle to the tooth axis so that the wire may be inserted from the lingual or palatal side. The bracket has another groove for inserting a lock pin which can lock the fixed wire securely, so that the wire may be locked simply. The bracket is also provided with a shearing groove for cutting the lock pin when the wire is to be exchanged or removed, in order to facilitate the shearing operation with nippers, etc.

Abstract: The disclosure relates to a dental treatment chair assembly wherein the assembly is detachably positioned inside the backrest of the chair and comprises a number of cartridge boxes; each of the boxes contains therein an instrument and an extensible connecting pipe and means for assisting manual extension and reeling-in of the pipes from the top of the shoulder part of the backrest, whereby a dentist can arrange the type, number and position of dental instruments in compliance with his convenience and desire by arranging the cartridge boxes. Any instrument can be removed and repaired by withdrawing the cartridge box that contains the defective instrument.

Abstract: A mobile dental unit having a housing of a tabletop height and having a width which is less than the height, the housing on a narrow side being provided with a plurality of side-by-side storage receptacles for dental handpieces, each of the dental handpieces having the supply hose extending through the receptacle to a source with take up devices for each of the supply hoses characterized by the receptacles of the handpiece being arranged in two separate rows with the first row containing primary dental handpieces and the second row containing receptacles for secondarily used handpieces, the first row of receptacles being disposed adjacent the top of the housing and the second row being disposed beneath the first row, a guide pulley for each of the receptacles of the first row being supported adjacent the receptacle and immediately below the top of the housing and the take up devices for each of the supply hoses of the first row including means for retracting the supply hoses into the housing when the handpiec

Abstract: Styluses defining a hinge axis in a dental articulator are received in guide block pathways defined by side walls and a curved upper wall. The blocks are rotatably mounted to vary the slope of the upper wall. A supply of guide blocks is provided having a medial wall with a rear curved portion which varies for different blocks based on average values. The user selects the blocks having the desired medial wall to provide the desired side shift. In one arrangement, the side walls are formed as a unit and removeably mounted on the upper wall and the user selects the side wall unit from a supply of units providing different degrees of side shift movement. In another form, the medial wall is transversely adjustable.

Abstract: An auxiliary device for use with vertical turning and boring machine tools having rotary work surfaces. The auxiliary device has a generally circular-shaped pallet and a support or mounting frame for supporting the pallet. The pallet has a hub for centering the pallet on a rotary work surface of a machine tool or for centering the pallet on the mounting frame. The pallet is fixed in such manner to the mounting frame that it can rotate with respect to the mounting frame and is fixed to the machine tool in such manner that it rotates with the rotary work surface. The pallet includes a plurality of radially extending openings which are engageable by clamping devices to position one or more workpieces in a desired position on the pallet. The mounting block has a central portion for supporting the hub of the pallet and radially extending arms having rollers engageable with a circular track positioned on the bottom surface of the pallet. One of the rollers is driven to rotate the pallet.

Abstract: This invention relates to a process and apparatus for drying moisture-containing particulate materials. The process comprises feeding the particulates to a drying vessel containing therein a hydrocarbon liquid maintained at a temperature sufficiently high to rapidly evaporate the moisture; stirring the articulate-liquid slurry in the vessel so as to maintain particle flow therein; feeding a hot hydrocarbon liquid to the vessel; heating the vessel wall above the liquid level to a temperature above the slurry temperature to prevent foaming; removing from the vessel an overhead vapor product; and condensing the vapor product to recover water and hydrocarbon liquid. An apparatus useful for carrying out the above-mentioned process is also claimed.

Abstract: A novel process for the drying of resinous materials is disclosed which comprises superheating a solution of the resinous material and spraying the superheated solution through one or more venturi shaped nozzles at high pressure in order to provide resultant material in the form of discrete particles having a lowered moisture content. A novel design for a venturi nozzle which may be advantageously employed in carrying out the drying process of the present invention is also disclosed.

Abstract: A method and device for drying gloves, particularly golf gloves, comprises a drying member shaped to resemble a human hand. The drying member is sufficiently rigid such that the golf glove is inserted thereon and retained in an open orientation substantially conforming to the orientation in which the glove is normally worn on a human hand. However, the drying member is also semi-resilient such that the drying member may be temporarily deformed inwardly to allow the glove to be removed therefrom. In one embodiment, the drying member is hollow having a plurality of perforations therein. This allows ambient air or a drying medium, such as heated air, to be circulated from the interior of the drying member into contact with the glove for the purpose of drying the glove.

Abstract: A method and a device for drying machine parts, e.g. balls or rolls for roller bearings, upon washing the parts in a washing liquid containing a solvent, especially a polluting solvent. Upon washing, the wet parts are fed into a chamber, and a dry, hot gas is injected into the chamber and evacuated therefrom. The evacuated humid gas is recirculated in a circuit and, upon being compressed and cooled, the gas is freed from its solvent contents in a liquid separator and is heated before re-injection into the chamber. A reduced gas pressure is maintained in the chamber by controlling the gas flow in the recirculation circuit, and the gas in the chamber is cooled, so that the partial pressure of the solvent in the chamber is substantially reduced.

Abstract: A clothes drier control circuit includes an electric heater regulated to maintain a constant predetermined temperature difference between the outlet and the ambient air. A digital reference value is stored representing the constant heat output level when a constant rate of evaporation is reached. The eventual reduction of the heat output to a given fraction of the reference value is detected so as to indicate that the clothes have reached a predetermined desired degree of dryness.

Abstract: An appliance which is made solely of snap-in molded plastic components includes a strainer for holding the vegetables which is rotated within a covered bowl by a hand crank transmitting the rotational motion through a step-up transmission having a planetary gear and through a frictional fit between a strainer and an easily removable strainer cover.

Abstract: The invention provides apparatus suitable for use for example in drying or treating articles such as sheets of paper, which comprises an endless conveyor means arranged to form a plurality of support surfaces for said articles while traversing an operative zone in which the articles are subjected to a medium and to retract the surfaces into an unformed condition outside of that zone, the surfaces comprising a stack or column while in that zone, advancing and retraction means to advance to form each support surface at the entry to the zone, and means to move the formed surfaces through the zone, said advancing and retraction means acting to retract each surface successively in the region of the exit from said zone. One example of the invention provides a flexible web of material which is formed into horizontal loops to provide the support surfaces.

Abstract: The disclosed grain harvesting machine has a grain threshing mechanisn, a storage hopper into which grain from the threshing mechanism is transported for temporary storage, and an apparatus for drying the grain while in the storage hopper. The drying apparatus comprises a grain collecting system, a grain drying column, and plenum means for feeding air into the column and system. The grain collecting system is mounted substantially horizontally in the storage hopper proximate to the bottom thereof. It has an outlet and conduit means extending from perimeter portions of the storage hopper to the outlet. The conduit means has inlet openings along its upper portions for entry of grain mechanism by gravity and has grain transport means therewithin for moving grain therethrough to the outlet. The grain drying column is mounted at the outlet of the collecting system and extends upwardly from the outlet. The column has an elevated exit port for discharge of grain therefrom back into the hopper.

Abstract: A model of a living body includes a cranium as a main body; and organ components (tongue portion and ear portion) made of yieldable material, arranged on the main body, wherein an external force is applied to one of the organ components from the external of the main body to deform the organ component, and thereby the inside of the organ component can be observed from the external of the main body.

Abstract: Apparatus for mounting on the deck of a vessel which is useful for dredging oysters or other marine animals from water bottoms which is comprised generally of the combination of (a) a dredge, (b) a tilt-frame with which the dredge is intimately associated in its function of lifting and dumping the contents of the dredge, after its retrieval from the water bottom, and (c) a conveyor, or conveyors, located below the tilt frame, the tilt frame being pivotally mounted above said conveyor, or conveyors, such that when the filled dredge is withdrawn from the water bottoms and rested upon the tilt-frame, the tilt frame will pivot and dump the contents of the dredge onto the conveyor, or conveyors, for transport to a location on the deck of the vessel for separation, assortment, grading or collection.

Abstract: This invention relates to a boot or covering to be removably secured to the bottom of an iron such as one would use to remove wrinkles from newly washed clothing, to give the iron improved characteristics with respect to its use for ironing heat-sensitive materials. The boot or covering comprises a perforated sheet of material such as the polytetrafloroethylene material available under such tradenames as Teflon, or similar materials having a width sufficient to form a rippled or wave-like folded side border of sufficient size to facilitate securing the boot to the bottom of an iron by wrapping it partially about the iron. Ridges are provided at or near the openings to form steam distribution conduits. Metal edged holes are provided along the edges of the material to allow a coiled spring or other similar device to be secured to the sheet without damaging the sheet while holding it to the iron.

Abstract: The frame including a pair of edge engaging members for engagement along opposite edges of a picture, and a pair of clamping assemblies each extending between the pair of edge engaging members in clamping engagement therewith to hold the components in operative condition.

Abstract: A slide holder tray is disclosed which includes therein a plurality of slide holder cells, each of which is adapted to selectively receive a single flat article such as a photographic slide therein. Each of the slide holder cells is provided with an integrally formed flexible retaining spring which is resiliently bowed into one of two positions, only one of which overlies the top edge of the article to retain the article in the slide holder cell. Each slide holder cell also includes a tilting mechanism so that the article may be tilted out of the slide holder cell for easy insertion and removal. The slide holder tray also has rails extending outward from the periphery thereof to facilitate the stacking of a plurality of slide holder trays in a rack, cabinet, or similar enclosure.

Abstract: A two-piece ear tag for identifying animals with the first piece having a first part with a flat portion containing an identifying indicia wherein with the first part connected to a second part also containing an identifying indicia by a severable section, and the second piece having an anchoring pin with a sharp tip for piercing the animal's ear and extending into locking engagement in an opening in the first piece of the tag.

Abstract: A plastic tab for labeling hanging files and folders provided with slots along the upper edges thereof, comprises a U-shaped label section, a flap extension section connected to the U-shaped label section and which abuts the outer face of one of the flaps, and a tongue extending from the flap extension section and inclined out of the plane thereof so as to engage the edge of a slot in the hanging folder.

Abstract: A display device of louvre arrangement wherein a display or exhibit is constituted by a group of parallel interleaved strips which are arranged in overlapping relation. The display device has a plurality of such groups. The display device has a driving mechanism having a cam arrangement, driving device, connecting members and a guide device, and cam followers each having an arm at the upper portion. The display device further comprises a frame structure releasably engaged with the connecting members of the driving mechanism, and elongated rigid elements movable together with the strips. Each elongated rigid element has an engaging member for contacting the arm of the cam follower to thereby shift the rigid elements and strips of one group in cooperation with a vertical movement of the cam followers.

Abstract: A knockdown sign lockup device having a tubular interlocking ring for inserting in the top of a tubular signpost and engaging a slot in the top of a wing off the signboard extending within the tubular post for lockup of the signboard with the signposts.

Abstract: A display device is formed from flexible sheet material and allows one or a plurality of signs to be supported from a common core support. The core support comprises a single sheet having a number of slits at one end that define arms. The support is folded such that the arms extend at angles from each other. The arms are secured around the signs to provide a multi-face display or sign.