Abstract: A magnet head for a magnetic pick-up tool includes a magnet having a pick-up surface and a sleeve member having an open end and being slidably positioned over the magnet with the pick-up surface exposed through the open end, the sleeve member being made of a material acted upon by the magnet such that the magnet exerts a force upon the sleeve for maintaining the sleeve in a rest position wherein the open end extends beyond the pick-up surface, wherein the sleeve is slidable in a direction away from the pick-up surface and against the force to a withdrawn with respect to the magnet. A magnetic pick-up tool including a magnet head is also disclosed.

Abstract: A process and apparatus for permitting the magnetization of flexible hard magnetic materials in the form of sheets or strips, such as magnetic rubber, wherein opposing arrays formed from alternating magnetic disks and flux conducting elements are use in sets of two with opposing polar moments such as to induce a magnetic flux in the gap between the discs. The width of the magnetic disk and flux conducting elements, respectively, are selected to optimize the magnetic pull strength of the material. At the array ends are flux conducting elements that are about 1/2 (i.e., from about 0.25 to about 0.75, and preferably from about 0.4 to 0.6) of the width of the internal flux conducting elements. A material to be magnetized is passed between the array sets in contrast with both disks and consequently imprinted with magnetic poles. The magnetized properties of the material is enhanced by passing the material through a second set of arrays which are axially offset with respect to the first set of arrays.

Abstract: An intermodal container positioning system for facilitating loading or positioning of intermodal containers via overhead crane or the like. The preferred embodiment of the present invention contemplates a system for positioning, in a precision matter, an intermodal container or the like upon the deck, or in the hold, of a ship or the like, or another transportation vehicle or storage area, wherein there is provided an array of electromagnets in various, alternative positions in the vicinity of the container, such that the electromagnets may be selectively utilized to engage adjacent structure, or other containers, in the vicinity of the container lock down or storage area, in such a manner as to manipulate the position of the container, to align same with other containers, a container holding area, lock down area, or the like.

Abstract: A magnetic holding device comprises a housing (2) and includes a number of magnetic regions. Each magnetic region has a rare earth or bimetallic disc magnet (9) and a ferromagnetic plate (10) located within an aperture within the housing (2). A filling material (11) surrounds both the magnet (9) and disc (10).

Abstract: A dynamic vibration absorber comprises a movable portion including a movable weight portion, a movable portion magnet assembly provided with a movable inside magnet and a movable outside magnet which are mounted to the movable weight portion through a yoke so as to alternately provide different magnetic poles, a fixed portion fixed to an object to be damped, a fixed portion magnet assembly provided with a fixed portion inside magnet and a fixed portion outside magnet mounted to the fixed portion through a yoke so that the fixed portion magnet assembly has magnetic poles different from those of the movable portion magnet in opposed positions, respectively, and a conductor plate disposed in a gap defined between the fixed portion magnet assembly and the movable portion magnet assembly.

Abstract: A magnetic doorstop including a first section consisting of a magnet secured with a retaining shim mounted on an elongated adjustment screw and a second section consisting of a magnet secured with a retaining shim mounted on an attachment screw. The first section is attached to an interior wall of a dwelling and the second section is attached to the interior door. When the door is opened, the first and second sections contact magnetically securing the door in an open position.

Abstract: A method and device for magnetizing a tool bit. A housing is adapted for removably fitting around a magnetically attractive tool bit, and a plurality of magnets are disposed in the housing and adapted for making contact with the surface of the bit, to strengthen the magnetic coupling of the magnets to the bit. The device preferably remains on the bit while employing the bit, and is especially adapted for high speed use.

Abstract: A magnet assembly including a metal cap, a cylindrical body and a magnet. The metal cap is comprised of a concave portion at the top and a convex portion at the bottom. The convex portion may just fit into a slot formed at an upper side of the cylindrical body and be secured therein. A groove is provided at an inner side of the lower portion of the cylindrical body for receiving the magnet such that the magnet may partly project therefrom. The projecting part of the magnet may fit into the concave portion of the metal cap of another magnet assembly. By means of the configuration of the magnet assembly, a plurality of magnet assemblies may be piled up in a neat stack and stuck to a metallic board.

Abstract: The invention relates to a magnetic clamping device with a clamping body (1) comprising a cylinder plate (2) of non-magnetizable material provided with cylinders (5), a clamping plate (3) of non-magnetizable material situated at one side of the cylinder plate, a closing plate (4) situated at the other side of the cylinder plate, and pistons (9) made at least partly from magnetic material which are movable in the respective cylinders, which clamping body is further provided with channels (13, 14) to which a fluidic pressure source can be connected for the simultaneous movement of the pistons in the cylinders towards and away from the clamping plate. To improve the magnetic clamping action, all magnetic pistons (9) are fastened to a common piston plate (8). This ensures that all magnetic pistons, when energized, will exert their magnetic influence on the object to be clamped.

Abstract: A casing with multiple bar magnets attached to the inner side of a casing back panel. A non-magnetic cover encloses the magnets in the casing and provides a flat surface for engaging tools and other objects. The casing has handles on the casing side panels to permit easy carrying and a means for hanging the casing in a variety of work locations.

Abstract: A single-point magnetic contact latch assembly for "parking" a read/write head of a memory storage device over a data-free landing zone during off-power conditions has one or more permanent magnets, a core having a curvilinear shape on one end and an annular flange formed on the opposing end, and a casing, having an open end and a partially closed end, covering the magnet(s). The core is disposed adjacent the magnet(s) and lies within the flux paths thereof. The casing covers the core and magnet(s) so that the curvilinear end of the core extends through the partially open end of the casing. The casing abuts an outer periphery surface of the flange with a press-fit so that the casing is outwardly radially deformed at the point of abutment securely anchoring the casing, and magnet(s) in position relative to the core.

Abstract: A strap closure for straps of wrist watches comprises a magnetic closure and an automatic mechanical lock. The closure comprises two closure parts (1, 2) and at least one permanent magnet (16) and a yoke (9), which form parts of a magnetic circuit. Said magnetic circuit is disposed inside a shield (6) made of a ferromagnetic material and closed as far as possible on all sides. Between the magnetic circuit (9, 15, 16) and said shield or other closure parts there is no metallic contact whatsoever with elements of high permeability, the magnetic circuit is instead isolated from the shield or from other closure parts by air gaps (22, 23) and fastening elements (14) of a low permeability close to the value of air.

Abstract: A magnetic filter for an oil filter canister used on a vehicle and an oil pan on a vehicle transmission for attracting magnetic particles contained in the oil. The magnetic filter includes a magnet contained in a shallow cup having a suction cup for securing the magnetic filter in the operative position on the filter canister and oil pan.

Abstract: Permanent magnets affixed to one structure produce a repelling force to magnets affixed to a larger structure that encloses the one structure to suspend and hold the one structure entirely within the larger structure, without physical contact therebetween.

Abstract: A clasp for a piece of jewelry comprises a first part and a second part. Each of the parts comprises a trailing end, a leading end, a connection on the leading end, and a center line intersecting the leading and trailing ends. The first part comprises a receiving surface and at least one magnet in the receiving surface providing north and south poles on opposite sides of the first part center line. The second part comprises a matching surface which conforms to the first part receiving surface when the first and second parts are engaged and at least one magnet in the matching surface providing south and north poles on opposite sides of the second part center line. When the first and second parts are engaged, the magnets are aligned and in an attracting relationship. The first and second parts have a tongue and socket connection which acts along the first and second parts center lines and resists separation of the parts in a longitudinal direction by forces acting in the direction of the parts leading ends.

Abstract: Holding device for magnetically mounting a contact sensor on a curved magnetic surface, for example on a pipeline or on a housing of a bearing, comprising at least two movable pole shoes having the same poling and, in the neighbourhood thereof, a plunger-like pole shoe with opposite poling. The plunger-like pole shoe is displaceable relative to the other pole shoes and the magnets and, upon contacting of the holding device is displaced towards the mounting surface by the magnetic force.

Abstract: A container attachable spray tube holder for securing a spray tube relative to an aerosol container. The inventive device includes a tube receiver for receiving a spray robe commonly provided with an aerosol container. A mounting assembly is secured to the tube receiver for mounting the receiver to a side of an aerosol container such that the spray tube can be easily stored in adjacency relative to the container.

Abstract: A single-point magnetic contact latch assembly for "parking" a read/write head of a memory storage device over a data-free landing zone during off-power conditions has one or more permanent magnets, a core having a curvilinear shape on one end and an annular flange formed on the opposing end, and a casing, having an open end and a partially closed end, covering the magnet(s). The core is disposed adjacent the magnet(s) and lies within the flux paths thereof. The casing covers the core and magnet(s) so that the curvilinear end of the core extends through the partially open end of the casing. The casing abuts an outer periphery surface of the flange with a press-fit so that the casing is outwardly radially deformed at the point of abutment securely anchoring the casing, and magnet(s) in position relative to the core.

Abstract: A unipolar magnet is composed of a plurality of magnetic units. Each magnetic unit is made up of a magnetic body, a paramagnetic or diamagnetic first layer which covers the entire magnetic body except for one of the poles, and a magnetically conductive second layer overlying the first layer. The exposed poles of all the magnetic units have the same polarity and together define a peripheral surface of the magnet. The magnetic units can have the configuration of a segment of a ring and can be assembled to form an annular first magnet whose external peripheral surface is constituted by the exposed poles. Several of these annular first magnets can be superimposed to form a hollow cylinder, and such a cylinder can be used to construct a shaft capable of floating in a housing. To this end, the housing is provided with annular second magnets which surround the first magnets.

Abstract: A magnetic socket holder includes a molded plastic tray with a center bar having laminated keeper plates and bar magnets positioned therein to define pole pieces which permit the forming of magnetic circuits that when closed enhance the holding action of sockets in the tray, as well as holding action of the tray on a magnetizable surface. An integrally molded handle is provided for carrying the tray and sockets.

Abstract: A magnetic closure device is configured to allow for a reduction in the magnetic gap as well as for adding mechanical strength to a cover for enclosing the magnet supply and other associated parts on one of two separate elements. The magnetic closure device includes a first element and a second element which are magnetically and mechanically coupled together and may be detached. The first element A includes an annular member formed to have a thick wall and mounted around the cover. The annular member includes ornamentation at its surface. The annular member may be formed from brass or other nonmagnetic materials, including plastics.

Abstract: A magnetic pencil for moving semiconductor devices is disclosed, which includes a tubular housing provided with two pin holes; a hollow push rod inserted into the housing, and having guide slots at positions corresponding to the pin holes of the housing, with its upper end being closed; an insertion rod inserted into the hollow push rod, with a magnet attached on the lower tip thereof, and with screw holes provided at positions corresponding to the guide slots; and a spring fitted between the upper tip of the insertion rod and the closed upper end of the push rod. In the assembled state, guide pins are provided between the holes of the housing and the screw holes of the insertion rod through said guide slots, respectively. When the magnetic pencil is positioned uprightly by gripping with the fingers of an operator, a semiconductor device is attached to the magnet slightly projected from the lower tip of the pencil.

Abstract: A dynamic vibration absorber includes a movable weight portion, and a movable portion magnet assembly provided for the movable weight portion. The movable portion magnet assembly includes a magnet train having a plurality of cylindrical magnets disposed coaxially in such a manner that adjacent cylindrical magnets have different adjacent magnetic poles. A fixed portion is provided in opposed relation to the movable weight portion and a fixed portion magnet train is provided on the fixed portion and includes a plurality of magnets having magnetic poles different, in a stationary state, from opposed magnetic poles of the cylindrical magnets. The movable weight portion is preferrably disposed in a vessel.

Abstract: This invention is for holding components made of a ferromagnetic material parallel to a component axis for electroplating the component. The component substrate according to the invention has at least two magnet poles, oriented toward the components and having opposite polarity. The magnet field lines extend from one magnet pole to the other magnet pole through the components only in the vicinity of a contact faces of the components oriented toward the magnet poles. This prevents ferromagnetic particles from depositing on the ends of the components remote from the contact faces. The apparatus according to the invention is especially suitable for holding a plurality of components during electrolytic surface coating of the components.

Abstract: In a magnet arrangement for the fastening of prostheses, in which a magnet which can be inserted into a prosthesis and a magnet to be implanted or to be fastened on an implant are provided, there is provided, to achieve a reliable mounting during a displacement movement of the prosthesis, a guide, by which the two magnets are guided on one another in such a manner that they are displaceable telescopically relative to one another in the holding direction of the prosthesis.

Abstract: A lateral orientation type of anisotropic permanent magnet having a face of magnetic application and at least one lateral face adjacent to the face of magnetic application. An axis of easy magnetization of particles of a magnetic powder constituting the permanent magnet is oriented substantially along lines from the lateral face toward the face of magnetic application to increase the peak value of the surface magnetic flux density at the face of magnetic application.

Abstract: A tool tray for storing tools and small parts. The tray has a multiple number of compartments and a magnet that is attached to the tray to facilitate supporting the tray on a metal surface such as in a motor vehicle engine compartment. The magnet is supported in a ferromagnetic metal shield that is secured to the tray by a single connector such as a rivet. A circular compartment overlies the magnet so that small metal items such as nuts and bolts and the like are attracted to the magnet and tend to stay within the circular compartment.

Abstract: An improved electromagnetic coil assembly for use with an electromagnetic door locking mechanism is disclosed which electromagnetic coil assembly incorporates an improved housing construction allowing the electromagnetic coil assembly to be easily and conveniently installed in its operating position on the frame of the door utilizing the electromagnetic locking mechanism. The electromagnet core itself is made of a plurality of thin, flat electromagnet core laminations which are placed in a stacked array in a U-shaped channel member, with thin welds between the tops of the legs of the "U" and the side edges of the stacked electromagnet core laminations being used to maintain the configuration of the array.

Abstract: A magnet holding structure comprising a magnet holder for holding a permanent magnet and a mounting frame formed integrally with a container such as a plastic basket for holding the magnet holder, the mounting frame including at least one pair of projecting walls having an engaging pawl on each of opposed inner surfaces thereof and the magnet holder having engaging projections corresponding to the engaging pawls, the interval of the engaging projections being slightly larger than the interval of the engaging pawls.

Abstract: An image heating apparatus includes a heater; a temperature detecting member for detecting a temperature of the heater; the controller for controlling electric power supplied to the heater so that the temperature detected by the temperature detecting member is maintained at a predetermined temperature; comparing device for comparing the temperature detected by the temperature detecting member to the reference temperature; wherein, when the detected temperature remains to be no less than the reference temperature for a predetermined period of time, the controller reduces a duty ratio of the electric power to be supplied to the heater.

Abstract: A single-point magnetic contact latch assembly for "parking" a read/write head of a memory storage device over a data-free landing zone during off-power conditions has one or more permanent magnets, a core having a curvilinear shape on one end and an annular flange formed on the opposing end, and a casing, having an open end and a partially closed end, covering the magnet(s). The core is disposed adjacent the magnet(s) and lies within the flux paths thereof. The casing covers the core and magnet(s) so that the curvilinear end of the core extends through the partially open end of the casing. The casing abuts an outer periphery surface of the flange with a press-fit so that the casing is outwardly radially deformed at the point of abutment securely anchoring the casing, and magnet(s) in position relative to the core.

Abstract: A magnetic socket holder includes a molded plastic tray with a center bar having laminated keeper plates and bar magnets positioned therein to define pole pieces which permit the forming of magnetic circuits that when closed enhance the holding action of sockets in the tray, as well as holding action of the tray on a magnetizable surface. An integrally molded handle is provided for carrying the tray and sockets.

Abstract: A superconductive load bearing support without a mechanical contact and vibration damping for cryogenic instruments in space. The levitation support and vibration damping is accomplished by the use of superconducting magnets and the "Meissner" effect. The assembly allows for transfer of vibration energy away from the cryogenic instrument which then can be damped by the use of either an electronic circuit or conventional vibration damping apparatus.

Abstract: A wrist mounted magnetic holder for small articles such as screws, nails, bolts, drill bits and the like having a non-ferrous material housing with a ceramic magnet polarized into two distinct regions and a flux concentrator for increasing the magnetic flux density at the holding surface.

Abstract: In an electric discharge machining apparatus, a workpiece electrically connected to a body of the machine and a jig on which the workpiece rests are electrically isolated from each other. The body and the workpiece are selectively switched in open-circuit/short-circuit by a switch. Switching can be made on the stool or the workpiece. Further, the switch and the workpiece and the jig are connected to each other by a coaxial cable.

Abstract: A magnetic socket holder includes a molded plastic tray with a center bar having laminated keeper plates and bar magnets positioned therein to define pole pieces which permit the forming of magnetic circuits that when closed enhance the holding action of sockets in the tray, as well as holding action of the tray on a magnetizable surface.

Abstract: A magnetic tool holder includes a generally elongate body member having a first surface and a second surface and having a longitudinal channel running along at least a portion of the first surface; a receiving magnet, disposed in the longitudinal channel; and detent structure provided on the receiving magnet and the longitudinal channel, whereby the receiving magnet is held in place in the longitudinal channel when the detent structure on the receiving magnet and the longitudinal channel are engaged. A mounting magnet is disposed on the second surface, whereby the tool holder can be magnetically mounted to a metallic work surface. The detent structure may preferably include at least one indentation disposed along at least one side of the receiving magnet, and at least one projection disposed along at least one inner side surface of the longitudinal channel for engaging the indentation of the receiving magnet.

Abstract: An apparatus for removing and replacing small batteries in electronic devices such as hearing aids or handling small magnetic parts has a housing in which a reciprocating shaft is placed having a magnet at one end. When the reciprocating shaft is placed in its extended pickup position, the magnet is brought close to the end of the housing, and into contact with the battery or other magnetic object. Once in contact with the object, the apparatus may be used for manipulation. Once the object is placed where it is to be left, the reciprocating shaft may be moved to a retracted position weakening the magnetic field holding the battery to the end of the apparatus. The reciprocating shaft is moved and locked into its extended and retracted positions with a rotating ratchet mechanism operated with a thumb of the hand that holds the apparatus. A shim in separable parts of the housing makes adjustment of the terminal end position of the magnet possible.

Abstract: The present invention relates to a fastener means which utilizes the attraction force of a permanent magnet and which is characterized in that a ferromagnetic member attached to one of the magnetic pole surfaces of an annular permanent magnet constituting the fastener means and having a through-hole extending between the magnetic poles and a ferromagnetic member attached to the other magnetic pole are detachably attracted to each other via said through-hole, and portions of the surfaces of the permanent magnet to which the first ferromagnetic member is not contacting the permanent magnet, excluding the peripheral surface of the through-hole or including the peripheral surface at the mouth of the through-hole, are covered with a ferromagnetic casing or a ferromagnetic material, such as a ferromagnetically plated sheet, having the thickness of about 0.03 to 0.20 mm.

Abstract: A shaking table for laboratory use for agitating liquid in flasks has at least one direct electromagnetic drive, for example, opposed pairs of electromagnets (14, 15) arranged orthogonally. A control device may control pulse frequency and amplitude to the electromagnets to produce different shaking modes. A plurality of drive members connected to an articulation mechanism are movable by the electromagnets, the articulation mechanism being mounted to the table. The table is mounted to a base by a plurality of flexible posts.

Abstract: A magnetic holding device is provided that includes at least one electromagnet assembly for selectively switching a holding portion for a magnetic substance into an excited state or an unexcited state; and a permanent magnet for selectively keeping the holding portion in an excited state or an unexcited state in cooperation with the electromagnet assembly.

Abstract: An improved magnetic tool holder for tape measures is provided in which a spoked keeper plate is mounted on the tool to be held in the tool holder. This results in a uniform holding force around the circumference of the holder so that the tool can be securely held in the receptacle and can be readily and easily removed by application of a controlled force. The holding force can be varied by varying the number of spokes and the width of the spokes. A self-centering ring and receptacle is provided to produce an audible click when the tool is properly seated with the keeper plate in intimate contact with the magnet and pole piece.

Abstract: A wrist mounted magnetic holder for small articles such as screws, nails, bolts, drill bits and the like having a non-ferrous material housing with a ceramic magnet polarized into two distinct regions and a flux concentrator for increasing the magnetic flux density at the holding surface.

Abstract: The magnetic marble action toy includes a design member (12) which may take the form and the image of a variety of animals and/or vehicles, or other elements, such as numbers or letters. The design member (12) is typically made of flat plastic and includes one or more openings (18) therethrough. Two magnetic marbles (30, 32) are positioned on opposite sides of the design member, in physical contact with each other through the opening (18). The opening (18) is arranged relative to the magnetic marbles (30, 32) such that the magnetic marbles (30, 32) spin freely while supporting the design member in an upright position, so that the toy may be readily propelled in various directions by the user.

Abstract: A magnetic toy is disclosed which uses two magnetic structures and a magnetic platform plate to allow the toy user to create a wide variety of designs from magnetic particles. The two magnetic structures are arranged so that the same magnetic polarity for each structure is adjacent to the platform plate. This feature allows the magnetic particles to be formed in either bridging designs or divergent, stand-alone designs.

Abstract: The present invention relates to a fastener means which utilizes the attraction force of a permanent magnet and which is characterized in that a ferromagnetic member attached to one of the magnetic pole surfaces of an annular permanent magnet constituting the fastener means and having a through-hole extending between the magnetic poles and a ferromagnetic member attached to the other magnetic pole are detachably attracted to each other via said through-hole and that the surfaces of the permanent magnet to which said ferromagnetic members are not attached, excluding the inner peripheral surface of the through-hole or including the inner peripheral surface of the through-hole at its mouth, are covered with a ferromagnetic casing or a ferromagnetic material such as ferromagnetically plated sheet having the thickness of from 0.03 to 0.20 mm.

Abstract: A work table on which sheets of patterned cloth are laid for the purpose of matching the patterns includes one or more electromagnets activatable to magnetize an upper surface of the table. Several pins which have magnetizable seats lie at spaced apart locations on the upper surface of the table so that when the electromagnet or electromagnets are activated, the pins are fixed magnetically on the upper surface of the table. When the electromagnet or electromagnets are deactivated, the pins are freely movable across the upper surface of the table. Thus, the cloth sheets can have their patterns aligned while the pins are fixed due to their magnetization, and are freely removed together with the pins when the pattern matching is completed and the electromagnet or electromagnets is switched OFF.

Abstract: A holding device for immobilizing a cable includes a generally cylindrical electromagnet with a central passageway extending therethrough and a holding assembly comprised of a ferromagnetic body joined to a tubular stem. The ferromagnetic body and stem have a passageway therethrough and are disposed so that the stem passes through the central passageway of the electromagnet. A cable which passes through the passageway of the stem and affixed thereto is immobilized when the electromagnet is activated.

Abstract: A new structure of permanent magnetic sucker comprising a base, a magnet conductive disk, a sucker, a support plate spring, an operating lever and a cam, in which the base is made of light-weight aluminum alloy to minimize its weight and load to working bench, the base is designed with two pads to facilitate use of large electromagnetic sucker, the operative lever is fixed through a sleeve to prevent from being seized, and characterized by the application of fusion weld at high temperature for assembly of the magnetic conductive disk and the sucker without any fixing pin or frame.

Abstract: A building block having a metallic body, and a magnetic strip extending around the periphery of the body. The magnetic strip is affixed to the metallic body such that the flat surfaces of the metallic body are aligned with the edges of the magnetic strip. The metallic body has a first metallic cap and a second metallic cap aligned with the first metallic cap. The metallic body has corners of curved radius. A filler material is contained between the first metallic cap and the second metallic cap. The magnetic strip has multiple magnetic poles on the exterior surface of the strip. The magnetic strip is of a flexible material arranged in surface-to-surface contact with the periphery of the metallic body. The magnetic strip is laminated continuously around the metallic body.