Magnetic Patents (Class 273/456)
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Patent number: 11724165Abstract: A golf swing analyzer system for analyzing a golfer's golf swing. An inertial measurement unit (IMU) may be used to capture data regarding the swing. The IMU may be oriented along a hosel-axis and a face-axis to reduce the complexity of calculations to determine the path of the swing. Two IMUs may be used to permit correction of captured data, different orientations of the IMUs to increase accuracy of captured data, and a doubling of the captured data. The IMU may include a magnetometer that cooperates with a magnet that is adapted to indicate the time at or near impact of the head of the golf club with the golf ball. An LED system provides visual information to a user regarding the swing while the swing is being made.Type: GrantFiled: June 18, 2021Date of Patent: August 15, 2023Assignee: BWR Innovations LLCInventors: Jeff A. Wandler, Joel A. Jorgenson, Thomas W. Nelson, Landon E. Lee, Adam C. Jorgenson, Travis J. DeJong, Thomas S. Wohl
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Patent number: 10380916Abstract: An interactive black hole orbital simulator includes a base. The base includes a first end, a second end, an upper surface and a lower surface. The upper surface includes a guide running from the first send to the second end. A vertical shaft extends from the second end of the base. A horizontal shaft extends from a top end of the vertical shaft towards the first end of the base. The present invention further includes a slide frame and an orbital displacement disc. The slide frame includes a bottom and a top. A rail is formed on the bottom. The rail slidably engages with the guide. A first magnet is secured to the top. The orbital displacement disc hangs from the horizontal shaft above the slide frame by at least one cord. The orbital displacement ring includes a second magnet.Type: GrantFiled: April 7, 2017Date of Patent: August 13, 2019Inventors: James Alan Kurtz, II, Matthew Ryan Kurtz
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Patent number: 10307687Abstract: A finger manipulated device that gives the user a unique tactile and audible sensations comprising of two, disc-shaped shells, a first and second set of magnets located on the inside surfaces of each shell, and flat thrust bearing disposed between the shells. The magnets in the first set and second set are aligned in circular arrays. The magnets in each array are aligned in the same direction and evenly space apart. The thrust bearing includes a thin frame with a plurality of rollers radially aligned that fit into two raceways formed on the inside surfaces of the two shells. The thrust bearing supports the two shells and holds them apart. When assembled, the two shells are held together on opposite sides of the thrust bearing by magnetic forces created by the two sets of magnets and produce unique tactile and sound sensations when the shells are rotated back and forth in alternating directions with the user's fingers.Type: GrantFiled: March 6, 2018Date of Patent: June 4, 2019Inventor: Cody Umberger
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Patent number: 10238905Abstract: A sports training apparatus for practicing lacrosse comprising an elongate rigid member extending along a length between first and second ends, first and second stops secured to the elongate rigid member, and a slidable mass on the elongate rigid member, slidable along the elongate rigid member between the first and second stops. A kit for retrofitting a lacrosse stick for practicing lacrosse comprising first and second stops, securable to a lacrosse stick; and a slidable mass, having a passage along an axis there through. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: GrantFiled: March 21, 2018Date of Patent: March 26, 2019Inventor: Christopher J. Kaye
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Patent number: 10124220Abstract: A putter having a body with a striking surface, an upper surface that is visible to player when in the address position and a sole plate that is coupled to a bottom surface of the body. The upper surface includes at least one aperture and the sole plate includes a sightline projection that extends into the aperture to form a sightline on the putter that is visible to the player.Type: GrantFiled: August 26, 2016Date of Patent: November 13, 2018Assignee: Acushnet CompanyInventor: Don T. Cameron
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Patent number: 9517395Abstract: An embodiment of a putting target (10) whereby a golf ball is caught utilizing a hydrogel section (16) that is affixed to a section of magnetic sheeting (12). The hydrogel section (16) provides an adhesive catch area so that a golf ball can be effectively caught with its surface. Alternate embodiments of a hydrogel section (16) affixed to magnetic sheeting (12) can be useful in various fields for activities or procedures that require the temporary adherence of a tool, device, decoration, etc., to a magnetic surface.Type: GrantFiled: October 26, 2015Date of Patent: December 13, 2016Inventor: Anthony Giantinoto
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Patent number: 9339170Abstract: A medical device includes a capsule endoscope in which a magnet having a magnetization direction in an axial direction is mounted and a fin portion is provided at a rear end of an endoscope main body, and which can be self-propelled through the inside of a body; and a capsule controller which controls self-propulsion of the capsule endoscope from the outside of the body by generating a static magnetic field whose direction is controlled three-dimensionally, and an alternating magnetic field orthogonal to the static magnetic field. The capsule endoscope rotates upon receiving the static magnetic field so that the magnetization direction of the magnet is parallel to the direction of the static magnetic field and the fin portion vibrates by bending with movement of the magnet in response to the alternating magnetic field.Type: GrantFiled: September 3, 2012Date of Patent: May 17, 2016Assignee: MU LTD.Inventors: Hironori Nishihara, Naotake Ohtsuka, Yasunori Shindo, Kazuhide Higuchi
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Patent number: 8757628Abstract: A ball capture game assembly provides a structure having spaced access channels through which balls are removed to score points. The assembly includes a housing having a bottom, a top, and a perimeter wall defining an interior space. At least one channel is coupled to the housing. Each channel has an inner opening in fluid communication with the interior space and an outer opening configured for fluid communication with ambient space outside the housing. A plurality of balls is positioned in the interior space of the housing. A tip of an elongated member is selectively couplable to each of the balls whereby each ball is removable from the interior space by insertion and withdrawal of the elongated member through the channel.Type: GrantFiled: December 8, 2011Date of Patent: June 24, 2014Inventor: Rick Baker
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Publication number: 20140084545Abstract: The magnetic device, namely a prism, is a game piece that is made of various geometrical prism shapes having a plurality of magnets with a particular magnet pole facing surface. Geometric magnetic game pieces, with corresponding to constructing a geometrical image structure, fundamentally rest upon accurate detailed perspectives through its visual perceptions and methodological inquiry to build a geometrical representation or structure. Structures are magnetically attracted or repelled by magnet poles. The invention is a method for motivational learning through the scope of mathematics, but in the context of geometry. It is an exploring magnetic device, a manipulative for learning to enhance or increase geometric proficiency and cognitive intelligence. The invention is meant to be a gratifying experience for enjoyment and educational purposes.Type: ApplicationFiled: September 25, 2012Publication date: March 27, 2014Inventor: Jonathan Michaels Taylor
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Patent number: 7591471Abstract: A game in which game pieces in the form of acrobats are launched toward a target. The game pieces include magnets at the distal end of the extremities of the stylized acrobat game pieces.Type: GrantFiled: May 25, 2006Date of Patent: September 22, 2009Inventor: Steve Walterscheid
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Patent number: 7568703Abstract: A playing card apparatus that has a deck of a multiplicity of different keyword cards, each card representing a predetermined term and associated definitions thereof, and with each card displaying indicia thereon including a base term, certain definitions of which are to be selected by a player. The card also includes a plurality of definition terms and means for highlighting only the correct definition or definitions of the plurality of definition terms. Also included are a set of response cards, each response card having indicia thereon corresponding to one of the definition terms, a timer for setting a time period for a player to submit answers via selection of one or more response cards by the player and a score card to be filled in by the dealer with the scoring based upon correct and incorrect answers by the player.Type: GrantFiled: November 29, 2005Date of Patent: August 4, 2009Inventor: Anthony J. Fernandes
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Patent number: 7513504Abstract: The present invention provides a miniature live-action surfing attraction and associated surf game specifically adapted for use with one or more surf toy action figures. The surf toy action figures are mountable to a surf board appropriately sized and weighted to provide relatively stable or semi-stable surf-riding action upon a sheet flow of water flowing up an inclined ride surface of the reduced scale attraction. Various surf action figures may be set free upon the ride surface, or they may be constrained or partially constrained by wires, strings, magnets or the like, as desired. Alternatively, or in addition, they may be controlled via a remote control, or radio control transmitter, as desired. Thus, a fun and entertaining game is created that provides realistic live-action surfing within a relatively small or confined area.Type: GrantFiled: January 24, 2002Date of Patent: April 7, 2009Assignee: Light Wave, Ltd.Inventor: Thomas J. Lochtefeld
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Patent number: 7401786Abstract: The present invention provides a miniature live-action surfing attraction and associated surf game specifically adapted for use with one or more surf toy action figures. The surf toy action figures are mountable to a surf board appropriately sized and weighted to provide relatively stable or semi-stable surf-riding action upon a sheet flow of water flowing up an inclined ride surface of the reduced scale attraction. Various surf action figures may be set free upon the ride surface, or they may be constrained or partially constrained by wires, strings, magnets or the like, as desired. Alternatively, or in addition, they may be controlled via a remote control, or radio control transmitter, as desired. Thus, a fun and entertaining game is created that provides realistic live-action surfing within a relatively small or confined area.Type: GrantFiled: December 4, 2006Date of Patent: July 22, 2008Assignee: Light Wave, Ltd.Inventor: Thomas J. Lochtefeld
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Patent number: 7377883Abstract: A martial arts kicking apparatus has a base with a post hinged to the base so that the post can be raised or lowered. The post support arm is hinged to the base and attached to the post for supporting the post. The post may be a telescoping post and has an elongated telescoping arm attached to one end thereof. A kick stick support arm is attached to the elongated arm and a kick stick is magnetically attached to the kick stick support arm for separation from the kick stick support arm when receiving a kick of predetermined force so that a martial arts kicking apparatus can be used for practice or in the martial arts game. A means to vary the magnetic force holding the kick stick to the kick stick support arm may be a movable permanent magnetic movably mounted to the kick stick support to vary the distance between the magnet and the kick stick or can be an electromagnet having a variable magnetic field.Type: GrantFiled: January 30, 2007Date of Patent: May 27, 2008Inventor: Stephen F. Blanton
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Patent number: 7264248Abstract: A game of dexterous skill and accuracy involving a magnetically attractive pendulous game piece and an objective target which provides a magnetic field. The game is more specifically evolved from the known ring toss game so as to provide a unique challenge and numerous difficulty levels for the player to physically capture the swinging game piece in the magnetic field of the objective target.Type: GrantFiled: January 24, 2006Date of Patent: September 4, 2007Inventor: Thomas B. Stoddart
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Patent number: 7115044Abstract: The present invention is a Golf learning, training, practice device utilizing a Magnetic Module, Swing Plate, Impact Form, and Ball Holder. The Magnetic Module is a shallow case enclosing a plurality of magnets, inserted flush with earth ground, or a board. The Swing Plate is a round or elongated disk with a plurality of apertures from left side to right, having printed location guides for ball or target positioning, used by laying selected aperture onto Magnetic Module. The Impact Form of a shape, of resilient material, or fabric becoming a target for practice golf swing. The Ball Holder, a form or shape, of resilient material, being concave, or cylindrical on top, to support a real, or practice golf ball. The selected aperture of Swing Plate, magnetically attracted to Magnetic Module, will also, within the same aperture, attract either Impact Form or Ball Holder. This device offers ball placement choices, swing approaches, orientation, and guidance, for practice swings and actual strokes with a golf ball.Type: GrantFiled: September 3, 2004Date of Patent: October 3, 2006Inventor: George Jurgen Faltin
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Publication number: 20040130095Abstract: Apparatus is provided for playing a game. The apparatus includes a play base having one or more magnets provided thereon and at least a first magnetic member located a pre-determined spaced distance above an upper surface of said play base and movable relative thereto. The movement or the result of the movement of the first magnetic member relative to the play base relates to one or more pre-determined criteria for allowing further playing of the game according to a set of rules.Type: ApplicationFiled: November 13, 2003Publication date: July 8, 2004Inventor: John Terence Miller
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Publication number: 20040056422Abstract: A magnet movement gaming device includes a base and at least one track extending upwards from the base. A traveling magnet is movably mounted on the track and a propulsion magnet which is propel the traveling magnet along the track upon the propulsion magnet being moved generally adjacent the traveling magnet. The traveling magnet is moved along the track via magnetic force between the propulsion magnet and traveling magnet.Type: ApplicationFiled: September 20, 2002Publication date: March 25, 2004Inventor: Marty Clague
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Patent number: 6698761Abstract: A magnet movement gaming device includes a base and at least one track extending upwards from the base. A traveling magnet is movably mounted on the track and a propulsion magnet which is generally freely movable about the traveling magnet is used to propel the traveling magnet along the track upon the propulsion magnet being moved generally adjacent the traveling magnet. The traveling magnet is moved along the track via magnetic force between the propulsion magnet and traveling magnet.Type: GrantFiled: September 20, 2002Date of Patent: March 2, 2004Inventor: Marty Clague
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Patent number: 6561511Abstract: A table game includes a generally planar panel having a top surface including a playing field. First and second playing pieces are slidably positioned on the playing field. First and second control members are located below the panel with the first control member being magnetically coupled with only the first playing piece and with the second control member being magnetically coupled with only the second playing piece The first and the second control members are capable of moving the first and the second playing pieces respectively to substantially any location on the playing field without mutual interference between the first and the second control members.Type: GrantFiled: October 26, 2000Date of Patent: May 13, 2003Inventors: Tsaliy I. Vaysberg, Boris Solovey
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Publication number: 20020180155Abstract: The present invention provides a miniature live-action surfing attraction and associated surf game specifically adapted for use with one or more surf toy action figures. The surf toy action figures are mountable to a surf board appropriately sized and weighted to provide relatively stable or semi-stable surf-riding action upon a sheet flow of water flowing up an inclined ride surface of the reduced scale attraction. Various surf action figures may be set free upon the ride surface, or they may be constrained or partially constrained by wires, strings, magnets or the like, as desired. Alternatively, or in addition, they may be controlled via a remote control, or radio control transmitter, as desired. Thus, a fun and entertaining game is created that provides realistic live-action surfing within a relatively small or confined area.Type: ApplicationFiled: January 24, 2002Publication date: December 5, 2002Inventor: Thomas J. Lochtefeld
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Patent number: 6457710Abstract: A magnetic table game includes a table having a smooth top playing surface, a goal at each end of the table, a projectile defined by a plastic ring carrying a freely rotatable steel ball bearing, and a pair of plastic sticks containing a magnet in their blade ends for insertion beneath the table to move the projectile along the playing surface.Type: GrantFiled: January 19, 2001Date of Patent: October 1, 2002Assignee: Wee Play ‘Kids at Heart’ Inc.Inventors: Edward Bisbee, Brendan Lowe
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Patent number: 6454261Abstract: A game machine played by a player to fish amusement objects. The game machine has a tank containing water. The amusement objects float on water. A fishing member engages one of the amusement objects and fishes the amusement object. The fishing member is lifted to catch the amusement object. A driving mechanism supports the fishing member and vertically moves the fishing member. A forcible object mover forcibly moves the amusement objects on the water surface. A manipulator, which is manipulated by the player, lowers the fishing member with the driving mechanism. A dropping mechanism drops the amusement object when the amusement object is lifted together with the fishing member by the driving mechanism.Type: GrantFiled: April 23, 2001Date of Patent: September 24, 2002Assignee: Ohiragiken Industry Co.Inventor: Teruo Ohira
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Patent number: 6439949Abstract: An apparatus including an appendage coupled to a body and a drive. The drive produces a force that causes the appendage to move with respect to the body. When the apparatus is resting on a support surface, the force produced by the drive is insufficient to overcome the force produced by the weight of the apparatus.Type: GrantFiled: May 4, 2001Date of Patent: August 27, 2002Assignee: Mattel, Inc.Inventors: Christopher F. Lucas, James R. Bauman
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Patent number: 6150913Abstract: A magnetically activated disc has a flat bipolar ring magnet mounted concentrically on the upper surface of the disc. The bottom surface of the disc has a protruding center point which provides an axis around which the disc can spin. The disc has a sidewall on the upper surface extending upwardly around the circumference of the disc to form an open cavity for holding a removable disc having a design imprinted on its upper surface. An external permanent magnet is manipulated so that its magnetic field acts upon the bipolar ring magnet, thereby causing the disc to spin around the protruding center point so that the disc with the imprinted design produces a desired visual effect.Type: GrantFiled: September 10, 1998Date of Patent: November 21, 2000Inventor: Donald D. Simmons
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Patent number: 6022025Abstract: A fishing toy including a fishing tackle and a toy fish. When the fishing line is wound on a line-winding mechanism of the fishing tackle to the end, the line-winding mechanism will idle to protect the fishing line and the fishing rod. When a switch is switched on, a motor in the toy fish is rotated to drive a swinging mechanism and a linking mechanism, whereby the toy fish can slowly swing and swim in the water with the lower jaw slowly opening and closing. When a magnetic bait attracts and attaches to the bite triggering mechanism, the fish tail and the lower jaw swing more violently so as to create a live effect both when the toy fish is in the water and after it is gaffed.Type: GrantFiled: September 24, 1998Date of Patent: February 8, 2000Inventor: Chuan-Tien Chuang
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Patent number: 5678823Abstract: A game of skill includes a lighted circular target intended to simulate the sun. A joystick is used to manipulate a crane mechanism and buttons are provided to allow the crane mechanism to be lowered and raised with an included magnet being used to allow lifting and dropping of magnetically attractive disks. The object of the game is to lift each disk, in turn, and to manipulate the joystick to cause disks to be dropped onto the simulated solar target surface to cover as high a percentage of the solar target surface as possible. An indicator is provided to indicate how much of the solar target surface has been covered, and a timer display displays the elapsed time.Type: GrantFiled: October 17, 1996Date of Patent: October 21, 1997Assignee: Bob's Space Racers Inc.Inventors: Gerald F. Chaffee, David Wise, Gary L. Wright
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Patent number: 5421581Abstract: A game device in which opposing magnetic fields are used to position a plurality of magnetic balance tiles around the periphery of a starting magnet in accordance with a set of rules which specify unique patterns of displacement and awards points which are consistent with the degree of difficulty in replicating the patterns. The game may be played by one or more players in a group.Type: GrantFiled: December 9, 1994Date of Patent: June 6, 1995Inventor: Johnnie B. Smith
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Patent number: 5335911Abstract: A toy fishing apparatus includes a fishing rod and reel cooperative with a bait fish that is formed with a magnetic core, such that the bait fish is arranged to selectively magnetically adhere one of a plurality of "target fish". Each of the target fish is arranged for magnetic attraction to the bait fish, wherein selective ones of the target fish are filled within a hollow cavity of the target fish of various prizes such as jewelry, money, and the like. Individuals attempt to buy chance and magnetically adhere a target fish with the greatest number of prize components stored therewithin.Type: GrantFiled: October 22, 1993Date of Patent: August 9, 1994Inventor: Lawrence W. Brown
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Patent number: 5328188Abstract: A game having a magnetically permeable game board areas, each of the areas having a magnet associated therewith and a plurality of magnetic game pieces to be propelled by a player by a repeller toward the game board in an effort to position the magnetic game piece over an area having the highest scoring value associated therewith.Type: GrantFiled: May 11, 1993Date of Patent: July 12, 1994Inventor: Gregory R. Brotz
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Patent number: 5209486Abstract: A game having a magnetically permeable game board areas, each of the areas having a magnet positioned thereunder below the game board and a plurality of magnetic game pieces to be propelled by a player by a repeller toward the game board in an effort to position the magnetic game piece on an area having the highest scoring value associated therewith.Type: GrantFiled: September 25, 1991Date of Patent: May 11, 1993Inventor: Gregory R. Brotz
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Patent number: 5184822Abstract: The invention provides a three-dimensional puzzle which consists of a box-like casing and a number of flat plate-like game pieces that are freely movable relative to each other within a closed system defined by the casing. The game pieces are, distinguishable from each other by markings such as symbols or color.The casing is a substantially closed, shape-rententive hollow body of the shape of a geometric solid bound by lateral faces. At least four such lateral faces are identical to each other in size and shape. The interior of the casing serves as a game space for the enclosed game pieces. The game pieces are of a shape that is substantially identical to that of the at least four lateral faces of the casing and are laid out in size so that they are permitted free movement within the game space.Type: GrantFiled: December 28, 1990Date of Patent: February 9, 1993Inventors: Jozsef Bognar, Erno Rubik
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Patent number: 5152528Abstract: An amusement device is provided which permits the racing of cars. A housing is provided with a sloped ramp. The ramp has an upper portion and a lower portion. A starting gate is provided proximal to the upper portion. A handle is provided which will raise the gate when desired. Several disks are mounted on a shaft which is mounted inside the housing and underneath the ramp approximately intermediate the upper portion and the lower portion. There are a number of permanent magnets mounted on the disks, one less magnet mounted equidistantly on the disk than the number of total disks. The shaft is mounted on the inside of the housing on one side and passes through the housing on the other side. The shaft side which passes through the housing is connected to a knob. By turning the knob, the shaft will rotate. When the knob is turned, the shaft rotates, thus causing the rotation of the disks. There are a number of lanes corresponding to the number of cars. The number of disks are equal to the number of lanes.Type: GrantFiled: December 31, 1991Date of Patent: October 6, 1992Inventor: Leroy W. Pasewalk
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Patent number: 5127652Abstract: A combination breakable toy and puzzle. A ball comprises eight identical wedge-shaped elements, each having a resiliently deformable foam core and a smooth outer skin. Within the interiors of the individual elements, near the vertices thereof, magnets are mounted for interacting with magnets mounted on the interiors of other wedges, such that the ball can be magnetically assembled by matching opposite polarities of the magnets. The ball may be pried apart, or may be broken apart without structural damage by throwing it against a wall or the floor, and may then be reassembled. The ball may be used as a puzzle, challenging a child to assemble it in the proper fashion. Plus and minus signs may be provided on the faces of the wedge-shaped elements to assist in this task. Other configurations for the toy are cubes, pyramids and baby rattles.Type: GrantFiled: November 9, 1990Date of Patent: July 7, 1992Inventor: Vicki Unger
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Patent number: 5112052Abstract: The base of a game board is formed by a mount member having a groove having a form containing straight line parts, curved line parts, intersecting parts, and angled parts. The groove forms the traveling path of a traveling toy. Solid bodies containing iron-including materials or magnetic materials are inserted into the groove of the mount member so that the upper surface of the solid bodies are leveled with the upper surface of the mount member. The mount member is affixed to a substrate and covers the entire surface of the substrate. A covering paper is affixed to the mount member and covers the entire surface of the mount member to hide the traveling path. When a traveling toy which is provided with a magnet is driven on the covering paper, the traveling toy runs along and over the solid bodies which are in the groove in the mount member which is covered by the covering paper. The covering paper comprises a jigsaw puzzle and can also be used as a book cover.Type: GrantFiled: July 23, 1990Date of Patent: May 12, 1992Assignees: Yonezawa Corporation, Toranosuke YamauraInventor: Toranosuke Yamaura
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Patent number: 5098102Abstract: An animated jigsaw puzzle in which a support base carries in fixed relationship a variety of jigsaw puzzle pieces in a fixed configuration when assembled, the animation includes portions of the jigsaw puzzle pieces which are adapted to move in various mechanical manners, and a drive linkage connecting the animated motion to an underlying drive train contained below the support tray coupled through a drive belt to a prime mover for use by a young child.Type: GrantFiled: April 3, 1989Date of Patent: March 24, 1992Inventor: John S. Cooper
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Patent number: 5060947Abstract: A magnetic pendulum random number selector having a symmetrical field of permanent magnets mounted in its base, along with a pendulum with a magnetized mass supported to swing through the fields of the magnets. The magnets are arranged symmetrically with respect to a vertical axis through the pendulum support point. The pendulum is manually set to swinging and comes to rest randomly at one of several locations above the assembly of magnets.Type: GrantFiled: January 25, 1990Date of Patent: October 29, 1991Inventor: Guy E. Hall
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Patent number: 5050876Abstract: A fishing toy being magnetic, differently constructed and simplified in structure is provided. The toy includes a base plate mounting thereon rotating magnetic pieces, a vessel containing therein buoied fishes each of which connects thereto a connecting line, and a housing having recesses respectively disposing therein magnetic counterparts each of which will rotate when the respective magnetic piece rotates and secures thereto the connecting line in the manner that when rotated, each magnetic counterpart can repeatedly wind therearound and unwind therefrom the connecting line.Type: GrantFiled: January 16, 1991Date of Patent: September 24, 1991Inventor: Chuan-Tien Chuang
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Patent number: 5037107Abstract: A magnetic game apparatus adapted to be played on both sides of a vertically mounted board by two players using magnetic playing pieces. The magnetic game apparatus includes a game board having an organized series of openings therethrough and a plurality of magnetized playing pieces for movement between the openings in the game board. Each playing piece is provided with a permanent magnet on one of its ends of either a positive or negative polarity which will either attract or repel a playing piece positioned within one of the organized series of openings on the opposite side of the game board.Type: GrantFiled: August 27, 1990Date of Patent: August 6, 1991Inventors: James K. McArthur, Gary R. McArthur
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Patent number: 5037091Abstract: Blocks are stacked and extracted by the players one at a time to score points based on the length and location of the block. Each block has metal disks embedded in the surface. An extraction tool with a magnet on the end is used to engage the metal disk and extract the block from the stack without disturbing the remaining blocks.Type: GrantFiled: March 12, 1990Date of Patent: August 6, 1991Inventor: Thomas A. Hagood