Patents Issued in October 12, 1976
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Patent number: RE28999Abstract: A rhythm system includes a memory for storing rhythm patterns, with a plurality of sections for controlling individual rhythm instruments, and instrument generators for producing sounds in accordance with the patterns. The patterns are stored in memory lines, with the number of counts in the patterns differing from one pattern to another. A plurality of short rhythm patterns can be stored on a single memory line. The system includes pushbutton switches for selecting the particular rhythm patterns and automatically selects the proper clock frequency for timing the selected rhythm pattern. The system is automatically reset at the end of the pattern and can selectively reset at the beginning of an intermediate position in the memory line, as required when a plurality of rhythms are stored in sequence on a single line. The system can also provide a special rhythm, such as a drum break, and this can be inserted during the playing of a selected continuous rhythm.Type: GrantFiled: October 6, 1975Date of Patent: October 12, 1976Assignee: C. G. Conn, Ltd.Inventor: James S. Southard
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Patent number: RE29000Abstract: A hydraulic actuator for producing translational movement over a long distance having two jack cylinders with pistons mounted for reciprocal movement and connected to a worm wheel through a worm gear. When a piston is driving, the worm gear acts as a rack to turn the worm wheel and when a piston is being returned to its starting position the worm gear rotates. Means are provided to alternately switch from one cylinder to the other.Type: GrantFiled: March 21, 1974Date of Patent: October 12, 1976Assignee: R. J. Ifield & Sons Pty. LimitedInventors: Richard J. Ifield, William R. Ifield
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Patent number: RE29001Abstract: A device for installation in automotive vehicles for safely snuffing out cigarettes. The device primarily includes a base fitting in which is carried an expandable split tube which is tapered at its lower extremity in order to snuff out a cigarette completely, prior to the placing or urging it into an ashtray.Type: GrantFiled: March 6, 1975Date of Patent: October 12, 1976Inventor: Milton Foote
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Patent number: RE29002Abstract: A merchandising display assembly comprises a pegboard and a display card disengageably secured upon one surface thereof. The display card has a plurality of apertures which register with holes of the pegboard, and merchandise hangers have engagement portions which pass through the apertures and seat in the holes aligned therewith. Most desirably, the display card is printed with an advertising message and/or bears indicia for arrangement of the merchandise on specific hangers associated therewith.Type: GrantFiled: March 14, 1975Date of Patent: October 12, 1976Assignee: The Stanley WorksInventor: James A. Govang
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Patent number: RE29003Abstract: Compounds represented by the following formula ##EQU1## wherein A is a substituted or unsubstituted heterocyclic radical and T is a C.sub.2 -C.sub.5 alkyl, alkenyl, cyclopropylmethyl, cyclobutylmethyl or cyclopentyl groupA process for their preparation and novel intermediates therefor are disclosed. These compounds are useful antibiotics.Type: GrantFiled: October 2, 1975Date of Patent: October 12, 1976Assignee: Hoffmann-La Roche Inc.Inventors: Andre Furlenmeier, Paul Lanz, Peter Quitt, Karl Vogler, deceased, by Heinrich Vogler, heir at Law, by Niklaus Eduard Vogler, heir at Law, by Franziska Elisabeth Vogler, heir at Law
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Patent number: RE29004Abstract: A polymerization reaction product comprising a solution of a poly(1-alkene) and a hydrocarbon polymerization solvent is purified of Ziegler-Natta aluminum and titanium containing catalyst residue by treating with flux-calcined diatomite to deactivate and insolubilize the aluminum and titanium and filtering out the insolubilized aluminum and titanium.Type: GrantFiled: December 12, 1975Date of Patent: October 12, 1976Assignee: Gulf Research & Development CompanyInventors: Barrett L. Cupples, Thomas J. Lynch, Clarence R. Murphy
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Patent number: 3984875Abstract: Protective head gear is provided of a type used in hockey and other activities to protect a participant against harmful and damaging impacts. The protective head gear has a helmet adapted to cover major portions of the participant's head other than his face, and the helmet includes a peripheral brow portion extending between symmetrically disposed temple portions at either side of the helmet. A mouth guard is included for attachment to the temple portions and is shaped to extend from these portions symmetrically across the participant's mouth. An upper peripheral portion of the mouth guard is aligned generally with the peripheral brow portion for underlying a curved eye shield so that on impact the eye shield will be supported by one or more of these portions.Type: GrantFiled: August 28, 1975Date of Patent: October 12, 1976Assignee: Canada Cycle and Motor Company LimitedInventor: Charles R. Farquharson
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Patent number: 3984876Abstract: An article of clothing comprising a main body, a removable protective member and means to fasten the member to the front of the main body. The member protects the wearer by acting as a bib which may either be cleaned and replaced or may be disposed of. The bib may also contain pockets to hold articles which are thereby easily accessible.Type: GrantFiled: January 16, 1975Date of Patent: October 12, 1976Inventor: Evelyn L. Sutton
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Patent number: 3984877Abstract: A water level monitor and alarm indicates when the drain valve in a toilet flush tank is improperly seated and water is not filling the flush tank as required. The monitor can also be adjusted to indicate when water is overfilling the flush tank. A hollow tube contains a float and fills with water as the tank fills, lifting the float. If water continues filling the tank after a predetermined level is reached, a portion of the float will trip a switch and indicating devices outside the tank will signal the overfill. When the flush tank empties, water is metered from the hollow tube through a variable size opening and gradually lowers the float contained therein, causing the float to descend at a slower rate than the tank water level. If the tank does not begin filling with water at a proper time to intercept the float, the float will continue to descend, and, at a predetermined level, trigger an alarm to signal that the flush tank is not filling.Type: GrantFiled: October 9, 1975Date of Patent: October 12, 1976Inventor: James D. Kirby
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Patent number: 3984878Abstract: A water closet in which a substantial reduction in water use is accomplished by flushing liquid waste from the bowl using a high-pressure stream of water which passes through the bowl and into an S-trap. Solid material is flushed in the normal way. The high pressure stream occurs in two phases; a first phase which has high momentum and evacuates the bowl, and a second phase which has low momentum and refills and reseals the bowl.Type: GrantFiled: September 25, 1975Date of Patent: October 12, 1976Inventor: John J. Grasseschi
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Patent number: 3984879Abstract: A body shower stall that includes a preformed apertured panel as a part thereof, with the discharge of liquid from at least a portion of the apertures being at a pressure dependent on the hydrostatic heads imposed on columns of water rather than line pressure. Discharge of water from the apertures is controlled by a multiposition valve, which may be selectively positioned to permit water discharge from an overhead shower head as well as desired portions of the apertures. The apertures have no projecting portions, and as a result vandalism is held to a minimum when the apertured panel is used in public facilities such as schools, colleges and the like.Type: GrantFiled: July 14, 1975Date of Patent: October 12, 1976Inventor: Olgierd Z. Ejchorszt
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Patent number: 3984880Abstract: A web has a front or lower footing attachable to the rim of a bathtub but bending or curving to the inner edge of the bathtub rim. A second or upward footing is attachable to the wall, normally tile, above the rim of the bathtub. A round bead, for both safety and strength purposes, extends along the edge of the web from the upper edge of the upward footing to the outer edge of the lower footing, curving outwardly and downwardly from the top, then downwardly at an angle, then concavely and then convexly to the lower footing.Type: GrantFiled: July 11, 1975Date of Patent: October 12, 1976Inventor: Arnold F. Schrameyer
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Patent number: 3984881Abstract: Conservation of energy of a swimming pool is provided by an attractively colored polyethylene panel secured to a circular frame which panel cover and frame are stable, and will not disintegrate due to direct rays of the sun. The panel passes and traps the heat of the sun rays during the day and maintains a pool cover to prevent substantial loss of heat and thereby retain the heat of the pool. The absorption of heat and reduction of evaporation is effective primarily to reduce fuel of the pool heater and also reduces consumption of chemicals and water.Type: GrantFiled: December 19, 1974Date of Patent: October 12, 1976Assignee: CaTel Manufacturing Inc.Inventor: Richard K. Gerlach
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Patent number: 3984882Abstract: A solar panel unit comprises:A. a loop-shaped plastic frame, bounding an open zone, the frame having a channel section,B. a plastic sheet extending across the open zone, andC. insert means retained in the channel section and holding the sheet to the frame,D. the sheet having woven construction and defining air filled interstices distributed over the sheet area across the open zone.Type: GrantFiled: August 25, 1975Date of Patent: October 12, 1976Assignee: CaTel Manufacturing Inc.Inventors: Christopher S. Forman, Richard K. Gerlach
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Patent number: 3984883Abstract: This pull-out sofa bed comprises a metal bed provided with a head section that can be raised to T.V. position, and releasably locked in such position, or released from such position and lowered to sleeping position, or folded over an adjacent long intermediate section of the bed to underlie the foot section of the bed folded thereover and also over said intermediate section, for compactness when shipping the bed. This bed has rear legs foldable underneath the intermediate section when the bed is fully collapsed, and also has means contacting the underside of the collapsed rear legs, to support the folded bed in a plurality of selected vertical levels of the sofa seat when the pull-out bed is collapsed and used as a sofa. The bed has means for locking the foot section of the bed to the intermediate section, in the folded or collapsed condition of the bed, to compress the mattress, which means is highly simplified and easy to manufacture.Type: GrantFiled: April 17, 1975Date of Patent: October 12, 1976Assignee: Mohasco CorporationInventor: John Wong
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Patent number: 3984884Abstract: A bed frame of the knockdown type having a pair of side rails and at least one connected end crossbar cooperable to provide a supporting frame structure for an associated box spring, in which brackets on the side rails are formed to provide sockets for respectively laterally receiving associated end portions of a crossbar therein into seated position where coacting parts respectively on the brackets and crossbar have interlocking engagement and function to retain the end portion of the crossbar against endwise withdrawal from the associated socket.The crossbar and side rail connection, as noted above, provides an extremely rigid box-like structure which permits frame-supporting leg assemblies to be mounted on the crossbar at a sufficiently inwardly spaced position from the side rail to avoid possible injurious striking of the bare foot or stubbing of toes thereon.Type: GrantFiled: May 14, 1975Date of Patent: October 12, 1976Inventor: Melvin P. Spitz
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Patent number: 3984885Abstract: A structure of four-channel headphones having sound insulating means between front and rear channel driver units, and tone control means only for the front channel tones, said sound insulating means being formed of foam material which transmits low-pitched tones and absorbs high-pitched tones. Separation of the front and the rear channel tones is improved to closely resemble four-channel sound reproduction in a free field and the output levels of the medium-high range tones of the two front channels are made variable.Type: GrantFiled: March 4, 1975Date of Patent: October 12, 1976Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hisashi Yoshimura, Yasutake Nishimura
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Patent number: 3984886Abstract: Fluid-filled cushioning assemblies including a body member having a plurality of fluid-tight, fluid-filled cells formed therein. The cells may be sealed off from each other so that no fluid communication therebetween is possible, whereby the assembly will maintain the position in which it is disposed, each cell having a particular pressure therein, or free fluid communication between the cells may be provided so that the assembly may be worked into a particular position. A single valve may be provided for selectively sealing off the cells from one another or allowing fluid communication therebetween.Type: GrantFiled: August 20, 1975Date of Patent: October 12, 1976Inventor: J. Herbert Keeton
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Patent number: 3984887Abstract: A collapsible boat is integrally molded by blow molding from a flexible synthetic resin material. The boat is normally manufactured into a collapsed form in which the bottom and a first portion of the stern lie on a common plane, and the port and the starboard as well as second and third portions of the stern are folded thereon. When the port and the starboard are erected, the first portion of the stern is simultaneously erected from the bottom into a vertical plane, which is also assumed by the second and third portions of the stern.Type: GrantFiled: July 17, 1975Date of Patent: October 12, 1976Inventor: Keigo Tanemoto
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Patent number: 3984888Abstract: An adjustable floating lounge chair which may be adjusted by an occupant while the arrangement is floating in the water to support an occupant in various positions between an upright seated position and a fully reclining position in which the seat is supported in the water by members of a buoyant material of beaded foam disposed at the sides and at the backrest of the chair.Type: GrantFiled: May 21, 1975Date of Patent: October 12, 1976Assignee: D & J ProductsInventor: Arthur D. DeLano
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Patent number: 3984889Abstract: A weight-sensitive support assembly for an adjustable dock board of the type including a ramp with front and rear edges, with the rear edge being hingedly connected to an associated support structure so that the ramp may be swung up and down between a relatively lowered position and a relatively elevated position, the assembly comprising an elongated hollow cylinder member containing a quantity of operating fluid, a piston reciprocally disposed within the cylinder member, a piston rod member connected to the piston, connecting means operatively connecting one of the members to the ramp and the other of the members to the associated support structure, and valve means for controlling movement of the piston within the cylinder member, the valve means being responsive to a first preselected load applied to the ramp to resist movement of the piston within the cylinder member and being further responsive to a second preselected load applied to the ramp to permit movement of the piston and piston rod relative to theType: GrantFiled: January 2, 1976Date of Patent: October 12, 1976Assignee: Monroe Auto Equipment CompanyInventor: Steven Blomgren
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Patent number: 3984890Abstract: This is an electro-mechanical tooth brush having opposed sets of bristles specifically designed to simultaneously brush both the inner and outer surfaces of the teeth by reciprocating one set back and forth, and also having a central hub element for brushing the chewing surfaces of the teeth fixed to and moving with the reciprocating set of bristles.Type: GrantFiled: June 25, 1975Date of Patent: October 12, 1976Inventor: George C. Collis
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Patent number: 3984891Abstract: A portable ramp includes a span to the ends of which are secured feet, such securement being by means of pivotal connections that enable the feet to be pivoted so as to accommodate various differences in heights between two surfaces, from one to the other of which there is to be a movement such as of a wheeled vehicle.Type: GrantFiled: November 12, 1974Date of Patent: October 12, 1976Assignee: Valley Craft Products, Inc.Inventor: Carl E. Weinmann
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Patent number: 3984892Abstract: A device for letting a person to reach high up with a brush or scraper when refinishing a ceiling or wall; the device consisting of a long handle which at one end can be held in the hands, and the other end being fitted with a carriage bolt upon which there is mounted both a scraper and a paint brush, the carriage bolt having a shoulder that is either square or hexagonal for being fitted through a correspondingly same shaped opening in the scraper and brush so that these implements can each be independently turned and held in a desired direction such as up, sidewardly or diagonally so to reach a working area.Type: GrantFiled: November 17, 1975Date of Patent: October 12, 1976Inventor: George S. Kyriakou
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Patent number: 3984893Abstract: A vacuum sweeper device for use with a tractor-type rotary mower has a vacuum blower which is mounted on a frame and which is driven by a drive shaft connected to the power-take-off of the tractor. The frame is attached to the rear of the main frame of the tractor and includes provision for removably mounting a cylindrical container which collects material picked up by the vacuum blower.Type: GrantFiled: April 22, 1975Date of Patent: October 12, 1976Inventor: Marion L. Ashley
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Patent number: 3984894Abstract: A sweeping vehicle for sweeping roads and other surfaces comprises a suction mouth located behind a sweeping brush. The inlet portion of the suction mouth is inclined relative to the surface to be swept and faces in a direction towards the brush. Air guide means extending from a trailing edge of the suction mouth approximately parallel to the surface, acts to direct air towards the suction mouth. The arrangement of the suction mouth and air guide means prevents particles of dirt from being discharged from the zone of the suction mouth by a vortex within the suction mouth.Type: GrantFiled: April 15, 1975Date of Patent: October 12, 1976Inventors: Albert Brock, Karl-Heinz Splisteser, Werner Dobbrunz
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Patent number: 3984895Abstract: Apparatus in a card for sensing and controlling the relative speeds of the feed and doffer rolls in accordance with the sliver density as sensed by error detection circuitry responding to the amount of a transduced compression wave in the sonic ultrasonic range which passes through the sliver.Type: GrantFiled: December 20, 1974Date of Patent: October 12, 1976Assignee: Fiber Controls CorporationInventor: Karl R. Grice, Jr.
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Patent number: 3984896Abstract: A safety device for lint cleaners and the like through which lint is traveled in a predetermined path in a bat which varies in thickness between acceptable limits and occasionally exceeds such limits having a probe mounted adjacent to the path engageable with the lint and movable in response to variations in thickness thereof, and a switch in controlling relation to the lint cleaner responsive to movement of the bat engageable means adapted to render the cleaner inoperable whenever the thickness of the bat exceeds a predetermined maximum.Type: GrantFiled: August 14, 1975Date of Patent: October 12, 1976Inventor: George O. Hicks
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Patent number: 3984897Abstract: A gilling machine having a pair or set of spirally threaded faller screws for advancing gill bars spanning the space between the screws and advancing them in a forward direction with portions of the screws held or engaged by the spiral threads of the faller screws. A first pair of axially spaced wheels which have peripheral notches thereon corresponding with the pitch of the faller screws receive the gill bars from advance or upper faller screws and transfer them to a pair of parallel spaced backward-movement or lower faller screws that move the gill bars in a direction opposite to the forward movement, namely a backward direction. A second pair of axially spaced wheels receive the gill bars from the backward-movement faller screws and transfer them to the forward or advance faller screws.Type: GrantFiled: January 8, 1975Date of Patent: October 12, 1976Inventor: Haruo Takao
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Patent number: 3984898Abstract: A method and apparatus for producing multilayer fibrous mats is provided which can form alternate short and long fiber layers continuously on a single forming endless wire cloth. The layers are brought together under the influence of suction air and are held together by interfiber bonds at their interfaces. The apparatus is composed of long fiber defibrators and a short fiber disperser unit placed above the forming endless wire cloth. First, a thin web of long fibers is formed on the forming wire cloth and then a short fiber mat is formed on top of the said long fiber web. At this point, the short fibers to a certain extent are pulled into and among the long fibers of the thin long fiber web by the use of suction air thus forming a long fiber layer, long-short fiber interface layer and a short fiber layer mat construction.Type: GrantFiled: December 21, 1973Date of Patent: October 12, 1976Assignee: Honshu Paper Company, Ltd.Inventors: Hisashi Matsumura, Tadanori Samejima, Hiroshi Orito, Hisashi Ochiai
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Patent number: 3984899Abstract: A chain type choker hook having an eye adjacent one end and a generally L-shaped slot adjacent the other end terminating in a cross-shaped opening for securing a chain end portion.Type: GrantFiled: December 1, 1975Date of Patent: October 12, 1976Assignee: Esco CorporationInventor: Melvin M. Northe
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Patent number: 3984900Abstract: A coupling device having an integral metal member folded over on itself forming two parallel sides which slidably receives another integral metal member folded over on itself; the first member having an opening in the top thereof for receiving coupling loops depending upon its slidable relationship with the first member; the second member having at least one outwardly protruding blister on each side thereof for actual slidable contact with the inside walls of the second member and maintaining a spatial relationship when assembled so that the entire coupling device can be plated after assembly.Type: GrantFiled: August 29, 1975Date of Patent: October 12, 1976Assignee: James R. JohnstonInventor: Frank Cirelli
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Patent number: 3984901Abstract: A continuous coupling element is fashioned from an elongated synthetic resin filament or the like, which filament is bent to a zigzag or meandering configuration to provide a series of U-shaped transverse portions each having a coupling head and a pair of legs extending rearwardly therefrom. Parts of the legs of each U-shaped portion are deformed to provide tape gripping portions, respectively, which include laterally expanded, flat surfaces arranged in opposed relationship to each other. The continuous coupling element is to be anchored to a stringer tape as by bonding or fusing the tape gripping portions to the opposite surfaces of the tape.Type: GrantFiled: December 27, 1974Date of Patent: October 12, 1976Assignee: Yoshida Kogyo Kabushiki KaishaInventor: Ikuo Takamatsu
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Patent number: 3984902Abstract: This disclosure depicts curtain coating apparatus for applying a coating of phosphor or other CRT screen material to the concave inside surface of a curved skirtless cathode ray tube front panel. The apparatus conveys the panel through a curtain of the coating material with its concave surface facing upwardly. The path along which the panel is conveyed (and thus the panel motion) is such as to produce a high degree of uniformity in the coating received by the panel.Type: GrantFiled: January 5, 1976Date of Patent: October 12, 1976Assignee: Zenith Radio CorporationInventor: Charles J. Prazak, III
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Patent number: 3984903Abstract: A high molecular weight piezo-electric element is spanned across and adhered to a frame by first affixing the element to a base film which provides support and increases rigidity. Subsequent to adherence, the base film is removed.Type: GrantFiled: December 15, 1975Date of Patent: October 12, 1976Assignee: Kureha Kagaku Kogyo Kabushiki KaishaInventors: Naohiro Murayama, Hiroshi Obara
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Patent number: 3984904Abstract: The invention provides a hollow core filled piston including core retaining means for mechanically interlocking and retaining a core of filler material within the piston against angular and axial displacement. The piston includes a hollow skirt portion defining a stepped-bore cavity, and retaining means for retaining a core of filler material within the cavity comprising a plurality of annular projections formed from the shoulder between the stepped bores. The invention further provides a tool for cutting and displacing segments of the shoulder to form the annular projections.Type: GrantFiled: November 27, 1974Date of Patent: October 12, 1976Assignee: Caterpillar Tractor Co.Inventor: Charles H. Schlecht
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Patent number: 3984905Abstract: A machine having a plurality of workpiece spindles. The spindles are angularly disposed in an indexable support with the spindle axes making one and the same axis with the axis of the support and all being tangent to a common cylinder coaxial with the support axis. Means are provided for driving the spindles and chucks are mounted on one end of the spindles for carrying workpieces for cooperation with tools mounted in the frame in which the support is indexable.Type: GrantFiled: July 24, 1974Date of Patent: October 12, 1976Inventor: Fritz J. G. E. Petzoldt
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Patent number: 3984906Abstract: A device for wrapping sheet, such as a foam panel, about a tubularly shaped object article, such as pipe sections of a pipeline. The device engages the substantially flat sheet and cams it about the curved pipe body circumference by pivoting yokes so as to cause the sheet to be wrapped about the pipe body. After the sheet is wrapped about the pipe body its free edges are fastened together so that the device can be removed.Type: GrantFiled: March 3, 1975Date of Patent: October 12, 1976Assignee: The Dow Chemical CompanyInventors: James A. Schlosser, Walter A. Trumbull
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Patent number: 3984907Abstract: The addition of copper, either as a thin film or as an alloy constituent, to nickel-chromium alloys improves the adhesion of such alloys to polymeric substrates and coatings.Type: GrantFiled: July 25, 1975Date of Patent: October 12, 1976Assignee: RCA CorporationInventors: John Louis Vossen, Jr., Frederick Russell Nyman, George Frederick Nichols
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Patent number: 3984908Abstract: An apparatus for attaching slotted plate terminals or the like to individual wires such as the wires of a stator coil in an induction motor is disclosed. A rotatable arbor positions the stator in alignment with an insertion track and ram. A terminal is inserted by moving it along the tracks and into a cavity in an insulating housing mounted on the stator. A guide track along which an insertion ram moves a terminal also acts as a depth control for accurate positioning of the terminal.Type: GrantFiled: October 1, 1975Date of Patent: October 12, 1976Assignee: AMP IncorporatedInventor: George Nelson Ackley
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Patent number: 3984909Abstract: An elongated cylindrical support member is provided and includes structure at its opposite ends for removable support of the support member from exhaust manifold mounting studs or bolts of the head of a reciprocating piston overhead valve combustion engine with the support member extending longitudinally of one side of the head. An elongated support arm has one end thereof mounted on the elongated support member for guided movement therealong and swinging movement of the support arm about the support member, the support arm being disposed at generally right angles to the support member. The other end of the support arm includes structure for releasable anchoring relative to the side of the associated cylinder head remote from the elongated support member with the support arm extending across the head and an intermediate portion of the support arm includes a window formed therethrough.Type: GrantFiled: May 6, 1975Date of Patent: October 12, 1976Inventor: Salvador Velazquez
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Patent number: 3984910Abstract: A multi-material earthworking ripper tip having a leading nose portion comprised of a material having greater wear resistance and strength at elevated temperatures than the material which comprises the rearward shank supporting portion of the tip. In one embodiment, a bi-metallic nose portion is inertial welded to the shank support portion of the tip. In another embodiment powdered tungsten carbide is sintered in situ within a hollow bore of a steel nose portion. Alternately, a solid core of tungsten carbide could be soldered, brazed or press fitted within said hollow bore.Type: GrantFiled: September 8, 1975Date of Patent: October 12, 1976Assignee: Caterpillar Tractor Co.Inventors: Eugene L. Helton, Walter B. Miller
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Patent number: 3984911Abstract: A method for forming an arcuate electrode adapted for the electrolytic production of grooves in the arcuate surface of an article, in which grooves are first formed in a plane metal blank. The grooved blank is then reshaped to have a curvature corresponding to that of the article, and the grooved curved surface of the blank is coated with an insulating material. The insulating material is then removed from the surface of the blank, except in those areas overlying the grooves, and the thus bared portion of the blank is then eroded, for example, by etching, so that the residual insulating layer projects from the surface of the blank. In use, the thus formed electrode is employed as a cathode, with the projecting insulation being held in close contact with a corresponding curved surface of the article to be grooved. The article is connected as an anode, and an electrolytic liquid is directed to flow in the channels formed between the electrode and the article.Type: GrantFiled: July 3, 1975Date of Patent: October 12, 1976Assignee: SKF Industrial Trading and Development Company, B.V.Inventors: Manfred Krug, Siegbert Kessler
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Patent number: 3984912Abstract: Electrical wire conductors which project from two insulated cable end portions are received in tubular electrical connectors electrostatically precoated with electrical insulating material. Each precoated connector end portion respectively abuts and is sealed in engagement with insulation on an associated cable end portion. The precoated connectors are crimped into gripping engagement with the wire conductors therein to form a basic electrical splice. A tubular inner melt liner and a tubular outer sleeve of thermoplastic electrical insulating material are arranged in generally coaxially surrounding relation with the basic splice. Heat is applied to substantially simultaneously melt the inner liner and shrink the outer sleeve to encapsulate the basic splice.Type: GrantFiled: February 28, 1975Date of Patent: October 12, 1976Assignee: Automatic Equipment Development CorporationInventors: James J. Johnston, Henry R. Angelico, Walter J. Bedard, Joseph E. Ruggiero
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Patent number: 3984913Abstract: Method of passing an uninsulated, relatively rigid, conductor through an opening in a non-conductive housing wall. The conductor has a cross-section which is substantially less than the cross-section of the opening yet is firmly maintained in place by means of a rivet which presses a portion of the conductor against a surface surrounding the opening.Type: GrantFiled: February 3, 1975Date of Patent: October 12, 1976Assignee: Aktiebolaget ElectroluxInventor: Nils Tommy Lindquist
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Patent number: 3984914Abstract: Improved endosseous and subperiosteal dental implants are obtained by providing the lower substructure of such implants with an adherent coating or reservoir of a calcium compound.Type: GrantFiled: July 24, 1974Date of Patent: October 12, 1976Inventor: Robert Schwartz
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Patent number: 3984915Abstract: This invention involves the orthodontic movement of live teeth in the mouth by using the forces of magnets. A magnet is attached to the teeth by conventional methods such as adhesive bonding or dental appliances. The magnets are placed on the teeth in such a manner to employ the attraction and repulsion characteristics of a magnetic field. These forces may be employed to align teeth, tilt teeth, move root positions and angulations, torque teeth, and erupt impacted or partially impacted teeth into the correct position in the mouth. The technique may be used alone or in combination with other conventional orthodontic techniques for either major or minor tooth movement. The magnets may be attached anywhere on a tooth, but preferably in an inconspicuous position. The magnets themselves may have tapered edges to insure the teeth move to the proper position.Type: GrantFiled: June 27, 1975Date of Patent: October 12, 1976Inventors: Terry Gordon Noble, deceased, by Mary Lynne Noble, administratrix
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Patent number: 3984916Abstract: A weapon sight having a peep sight mounted to a flexible, curved transverse ross-section bar movable across a curved surface interior to a housing. The flexible bar, which is preset and locked at a fixed range, is stored horizontally below the cover of the housing and assumes a vertical position with the peep sight at the fixed range when the cover is opened. A protuberance from the other end of the bar produces an audible and tactile indication of fixed variations in range. The range adjustment knob drives the bar with a single pin.Type: GrantFiled: October 6, 1975Date of Patent: October 12, 1976Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Fred N. Newcomb, Dominick J. Giordano
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Patent number: 3984917Abstract: A combat gun sight for horizontal and vertical sighting of weapons such as police pistols, also functioning as a guard for a front post sight including side posts on opposite sides of and in equally spaced relation to a center post whereby in use a target is bracketed between the side posts for horizontal aim and the position of the side posts with respect to a rear gun sight provides vertical aim when the center post is obscured such as by a dark target.In one modification, an associated rear sight has notches in the upper corners thereof to expose the side posts of the combat gun sight. In a further modification, the side posts of the combat gun sight are adjustable toward and away from the center post.Type: GrantFiled: August 26, 1974Date of Patent: October 12, 1976Inventor: Robert N. Korzeniewski
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Patent number: 3984918Abstract: Disclosed is an inclinometer particularly adapted for use as a top-hole indicator in drilling operations. The inclinometer employs a ferrofluid in a closed tube; the fluid serves as an angle-sensitive movable core of a differential transformer. The secondary coils of the transformer are wrapped around the tube; the primary coil is wrapped around a core piece or the tube. Equipment is provided for comparing the outputs of the secondary coils to produce an angle signal. A sturdy construction for downhole use is disclosed.Type: GrantFiled: October 2, 1974Date of Patent: October 12, 1976Assignee: Sun Oil Company (Delaware)Inventor: Preston E. Chaney