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Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7300329 | Symmetric poi A symmetrical poi to be used by jugglers to safely perform moves includes a flexible long strap and two weights disposed at each end of the flexible long strap having reversibly deformable soft structure and having dimensions that fit in a human hand for easy graspi... | 11/27/2007 |
| 7200949 | Motorized chalk box The motorized chalk box includes a chalk line reel having an internal ring gear. An electric motor drives a pinion gear, which engages the ring gear, thus resulting in a very compact assembly. The motor and gearing are sealed from the chalk dust reservoir, through w... | 04/10/2007 |
| 7192330 | Yo-yo having adjustable responsiveness The invention is a yo-yo that includes features that enable a user to adjust the yo-yo's responsiveness. Each of the yo-yo's sides has a movable shuttle having a tether engagement surface. By changing the position of one or both shuttles, a user can affect the yo-yo... | 03/20/2007 |
| 7172534 | Jump rope simulator A jump rope simulator for aerobic and anaerobic exercise having a hand-held unit comprising a handle, a base length connected to the handle, and one or more concatenated extension lengths attached to the base length. To exercise, the user grasps one or two units, im... | 02/06/2007 |
| 7137863 | Toy having two sliding bobs on a string with end stoppers A swinging bob toy having two bobs constrained to, yet slidable along, a string. Each end of the string has a pair of low-mass, spaced-apart stoppers which allows the end of the string to be easily grasped so that smooth transitions can be made between various modes... | 11/21/2006 |
| 7125310 | Yo-yo having replaceable disks The invention is an improved yo-yo that features unique multi-piece sides. Each side has a removable disk that functions to affect the yo-yo's responsiveness via one or more tether engagement structures that can be contacted by the yo-yo's tether. When the removable... | 10/24/2006 |
| 7121230 | Pet-play apparatus configured for interactive use A pet-play apparatus (20) for interactive use with a domestic cat or other pet (24) incorporates a lash (26) made of a strip of fake fur (56) formed into a tube (42) with a nap (58) of the fake fur (56) upon an extern... | 10/17/2006 |
| 7101321 | Jumping or skipping plaything The jumping or skipping plaything has a flattened and twisted connector between a roller, drum or wheel at one end and an ankle ring at the other end. The connector rotates with the wheel or roller or drum relative to the ankle ring. The connector also contains day ... | 09/05/2006 |
| 7101249 | Wiggle flyer A flying toy has a spiral-shaped tail to which a head portion is coupled to effect a wiggling flight pattern of the toy. In preferred embodiments, the spiral-shaped tail is fabricated from a material that maintains the spiral shape of the tail during flight, and has... | 09/05/2006 |
| 7083493 | Yo-yo A toy-type device which is adapted for both yo-yo play and ball-catching play utilizing a ball tethered to a disc-shaped body, wherein the ball can be used as a grasping element when the device is used as a yo-yo or alternatively the ball can be used as a free-body ... | 08/01/2006 |
| 7037206 | Billiards rack The present invention 10 discloses a billiards ball racking system comprised of two symmetrical circular loops 12, 14 bonded together. Each circular loop 12, 14 may hold up to seven billiard balls 16, six balls around the inner perimeter ... | 05/02/2006 |
| 6971332 | Birdcage attachments Birdcage attachments are mountable to a birdcage and present a bird with a variety of interesting and challenging activities. The toy attachments encourage birds to learn by experimenting. As a bird manipulates some parts of the toy attachments, the bird will discov... | 12/06/2005 |
| 6957471 | Cleaning rings for insulator driven by wind A wind driven cleaning ring apparatus for removing dirt on electrical insulators used in electric systems. The cleaning ring apparatus includes spaced apart bowl members supported on a cylindrical ring member by being sleeved over the ring member or formed integral ... | 10/25/2005 |
| 6896578 | Swinging bob toy with liquid-containing bobs A swinging bob toy having an outer bob and middle bob on a string, with the middle bob having a bore through which the string passes to allow the middle bob to slide along the string. The middle bob has a substantially toroidal, liquid-containing bladder. The mass o... | 05/24/2005 |
| 6896576 | Yo-yo with shock suppression system A yo-yo wherein each half body has three essential elements: a axle/hub assembly, a rim, and an interior space containing flexible, compressible material, such as an elastomer or a bladder filled with gas, liquid, or gel. The axle/hub assembly and the rim contain th... | 05/24/2005 |
| 6887122 | Yo-yo having visual indication of response setting The invention is a yo-yo that features a visual indication system capable of facilitating the setting of the yo-yo's variable response system and then providing an indication to the user of the yo-yo's responsiveness setting. Preferably, the yo-yo includes relativel... | 05/03/2005 |
| 6887188 | Virtual jump rope An exercise device for simulating jump roping and for providing a total body workout that is held and rotated in use, comprised of two units; each unit to be held in a hand of a user. The units each comprised of (1) a handle, (2) an elongated first element attached ... | 05/03/2005 |
| 6802758 | Orbital spinning dancing light toy with connectors for mounting light emitting elements A toy with a plurality of lights that a user can suspend from his hands and spin, twirl, whirl, and otherwise manipulate to create amusing patterns of light. The toy consists of a hub (30), power supply (56), a plurality of light emitting elements (... | 10/12/2004 |
| 6776679 | Skipping toy with disco ball A toy is described that, during play, is rotated in a horizontal circular path about a player's ankle and simultaneously provides illuminating and eye-catching reflections of ambient light. The toy includes a collar and a transparent housing connected to the collar ... | 08/17/2004 |
| 6776680 | Handheld toy spinning apparatus and associated method of play A toy assembly and its associated method of play. The toy assembly includes a hub. Two holes are disposed in the hub through which a loop of string is passed. By winding the string and then pulling the string taut, the string can be caused to rapidly unwind, thus ro... | 08/17/2004 |
| 6709308 | Flying disc An improvement to a flying disc that returns to the user by means of a string using rotational energy in a manner of a yo-yo. The flying disc has a lower wing 1 that generates a lift, a smaller wing 2 and an axle 3. Between the wings 1,2 ... | 03/23/2004 |
| 6695671 | Amusement device or plaything An amusement device, particularly for use by children for jumping or skipping, has a ring through which one foot is placed, and a tube or rod extending therefrom with a wheel at the far end of the rod or tube. The wheel contains some small lamps and a gen... | 02/24/2004 |
| 6652345 | Yo-yo bubble toy A yo-yo bubble toy mainly comprises a bubble container, a symmetrical shell, a fluid tube and a pulling rope where the bubble container is integrally formed with huge hollow chamber inside. The container has a projected mouth to accept the bubble fluid su... | 11/25/2003 |
| 6629873 | Swinging bob toy with middle bob having non-cylindrically symmetric weight distribution A swinging bob toy having a middle bob with a non-cylindrically symmetric internal structure. The center of mass is located near the middle of the bore axis, and the percentage azimuthal variation V in the moment of inertia I about an axis in the equatori... | 10/07/2003 |
| 6607420 | Gyroscopic toy A gyroscopic toy is provided having a shaft to which is coupled a flywheel. A drive gear is used to spin the shaft and flywheel for spinning the toy. A pinion gear is rotated to impart spin energy to the shaft and flywheel and thus to the toy. A gearing m... | 08/19/2003 |
| 6599165 | Yo-yo having an active starburst tether engagement system The invention is a yo-yo that employs an active starburst tether engagement system located in one or both of the yo-yo's side members. The system makes use of a starburst-shaped array of movable engagement ribs that face the tether and are located near th... | 07/29/2003 |
| 6595827 | Swinging toy The present invention is a swinging toy intended for the purpose of recreation, physical and mental health, agility and leisure purposes. The present invention includes a padded object and a cord with a hand or finger loop. The object includes a central c... | 07/22/2003 |
| 6579142 | Modular yo-yo A yo-yo includes a pair of body halves connected to a hub assembly about an axis of rotation. Each body half includes an outer ring positioned between an outside plate and an inside plate, where the inside plate on each body half is positioned to face the... | 06/17/2003 |
| 6565408 | High performance roller bearing yo-yo A yo-yo includes a first yo-yo half defining a first starburst, a second yo-yo half defining a second starburst, and an axle fixedly mounted between said yo-yo halves. The yo-yo also includes a roller bearing fixedly attached to the axle, and a spool fixe... | 05/20/2003 |
| 6561867 | Yo-yo having a centered disc supported by an arm A yo-yo includes an outer ring, a support arm extending inwardly from the outer ring and a disc supported within the outer ring by the support arm. In addition, a region on the outer ring adjacent the support arm is thinner then another region on the oute... | 05/13/2003 |
| 6533636 | CD spacer A spacer for building a toy yo-yo includes a central axis for receiving a tether string for wrapping around the central axis and two outer sidewalls, each outer sidewall having an attachment hub disposed on the outer sidewall for receiving a compact disc.... | 03/18/2003 |
| 6503121 | Aerial top having a stepped axle and a varied diameter tether An improved aerial top, or yo-yo, having a stepped axle and a varied diameter tether is disclosed. The stepped axle is coupled at distal ends to yo-yo body halves and maintains the yo-yo body halves in a space apart arrangement and defines a channel betwe... | 01/07/2003 |
| 6494761 | Yo-yo and method for its manufacture Molded plastic yo-yo halves are connectible to each other by an axial having threaded ends that are adapted to threadably engage threaded inserts press fitted into a specially designed socket. The inserts are polygonal as are the sockets with the insertio... | 12/17/2002 |
| 6406349 | Gyroscopic toy A gyroscopic toy is provided having a shaft to which is coupled a flywheel. A drive gear is used to spin the shaft and flywheel for spinning the toy. A pinion gear is rotated to impart spin energy to the shaft and flywheel and thus to the toy. A gearing m... | 06/18/2002 |
| 6296542 | Toy A hand held toy having a power source with a rotating shaft. A crank is connected with an end of the shaft and extends radially therefrom. An elongated flexible member is connected with the crank at a location radially spaced from its axis. An anchor memb... | 10/02/2001 |
| 6234861 | High performance yo-yo A yo-yo includes a pair of rotary elements spaced from each other and each having a cavity, a bearing portion formed on each of the pair of rotary elements at a center thereof, and an axle detachably received in the bearing portion so as to be rotatable t... | 05/22/2001 |
| 6196891 | Yo-yo including adjustable weight system A yo-yo includes first and second side members, an axle extending between the side members, a string interconnected with the axle, and at least one weight releasably mounted to one of the side members in a first location, and moveable to a second location... | 03/06/2001 |
| 6162109 | Yo-Yo having adjustable string gap A yo-yo includes a string gap in-between first and second side members. The string gap setting is adjustable by relative rotation of the first and second side members. The yo-yo includes an indexing mechanism for resiliently maintaining the string gap set... | 12/19/2000 |
| 6146233 | Spinning top Disclosed herein are spinning tops having an improved pull-string attachment system. The pull-string has a toothed catch at one end that engages with a cylindrical hub of the top. The hub is at the center of a deep radial groove transverse to the top's ax... | 11/14/2000 |
| 6120342 | Whistling disk A sounding toy has a sounding member body that defines a plurality of circumferentially spaced internal cavities (12), each of which is enclosed except for a side opening (10) communicating therewith. A pair of flexible cords (30) extend axially through a... | 09/19/2000 |