Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7856935 | Twin sailing board The present invention relates to a twin sailing board characterized in including a pair of surfboards (10, 12) adjacently disposed in a lateral direction, plate-like bodies (14, 16, 18) detachably secured to the surfboards (10, 12) by a screw ( | 12/28/2010 |
| 7370593 | Windsurfing catamaran vessel An improved windsurfing catamaran type vessel. The illustrated vessel has an improved steering mechanism that includes a relatively stiff but bendable plastic rod that is directly received within one or more guiding passageways or grooves formed in the plastic hull ... | 05/13/2008 |
| 7234348 | Testing apparatus A testing apparatus is disclosed that is suitable for a game ball, such as a soccer ball, and a variety of other spherical or non-spherical objects. The testing apparatus includes a housing with the configuration of an air foil. A shaft extends through the housing, ... | 06/26/2007 |
| 7223140 | Sculling oar An object is to provide a Ro-scull which can suppress a decrease in thrust force by water resistance generated during turn-over operation and can realize high-speed cruise of a boat. The Ro-scull has a Ro-arm 1 and a Ro-blade 2 having a flat part 12... | 05/29/2007 |
| 7213529 | Emergency sail system An emergency sail system for disabled watercraft comprises a mast receptacle for interfacing with the watercraft structure and a multi-segmented main mast supported by the mast receptacle in a substantially vertical orientation and removable therefrom. A sail assemb... | 05/08/2007 |
| 7197996 | Seat board for board kiting The present invention discloses a seat board for board kiting that is made of a substantially high durability of material, having a seating recess thereon, thereby permitting a rider to enjoy the board kiting in a convenient way. The seat board for board kiting that... | 04/03/2007 |
| 7090236 | Mounting system, sail, steering mechanism and frame for a landsailer A mounting system for a boom (14) of a landsailer (1) includes a resilient flexible member (12), at one end engageable with a rearward portion of the landsailer frame (2) and at the other end with the main sheet (13). A steering me... | 08/15/2006 |
| 6938567 | Multi-functional sailboard A multi-functional sailboard includes a body having a seating section and a dagger. A mast section is connected to the bow of the body and is movable between raised and lowered positions. The mast section includes a stationary mast and a movable mast. The two may be... | 09/06/2005 |
| 6807919 | Mastless kayak sail A mastless sail for use in a two-seat kayak is disclosed. The apparatus is designed with a boomstick feature for supporting and controlling the bottom of the sail. The existing kayak paddles support and control the top of the sail. The apparatus is also designed for... | 10/26/2004 |
| 6695661 | Windsurfing board vent plug warning device A device installed in the vent hole of a windsurfing board to warn the user that the vent plug is not installed, and the board should not be placed in the water. Additionally, the device has a container for holding the vent plug when it is not installed i... | 02/24/2004 |
| 6514115 | Line system for steering a kite A line system for steering a kite is described, which achieves the five elementary functions for steering a kite (steering to the right, steering to the left, safety function, rearward flight/start-up and depowering) with only three lines.... | 02/04/2003 |
| 6065416 | Wind propelled watercraft A wind propelled watercraft system is provided including a floating disk for supporting a user on a body of water. Also included is a sail assembly for driving the user on the floating disk by way of wind. The floating disk has an inwardly-facing groove f... | 05/23/2000 |
| 6032599 | Suspension apparatus for a sailboard A suspension apparatus is described for use in the sport of windsurfing. The apparatus reduces loads exerted by a mast member on a sailboard, and includes a shock absorbing system having a compressible element, a housing connected to the shock absorbing s... | 03/07/2000 |
| 6032600 | Weighted daggerboard stabilizer for wind surfing apparatus A wind surfing apparatus formed with a hull supporting a mast and sail includes a removable daggerboard having a weighted mass in a lower end portion thereof to lessen the tendency of the hull to be unstable or flip during use. The weighted mass may eithe... | 03/07/2000 |
| 5566635 | Tailpiece for the forked boom of a rig for surfboards A tailpiece for a forked boom of a rig for surfboards, comprising a tube bend segment (9), carried by a tube bend (10) to which is fastened bars (3) of the forked boom. On the upper side of the tube bend segment (9) there is a plate (12) with a wide strai... | 10/22/1996 |
| 5524565 | Protective cushion for a sailboat boom A cushion for the boom of a sailboat including at least one preformed sleeve or flexible wrap of a soft resilient material which is configured to overly at least the entire opposite side portions of the boom along substantially the entire length thereof, ... | 06/11/1996 |
| 5451078 | Windskiing apparatus The invention provides an apparatus for resiliently securing a pair of skis together in generally parallel relationship, and for receiving a sail rig as commonly used on a conventional sailboard, to permit conventional snow skis to be used in a manner sim... | 09/19/1995 |
| 5448234 | Logical light control for sailing vessels It has always been possible, due to operator fatigue or forgetfulness, for a sailing vessel to display a well-defined combination of navigation lights which is incorrect for the current operating mode of the vessel. Improper combinations are also possible... | 09/05/1995 |
| 5435766 | Rescue device for sailboats A sailboat with a device for retrieving from the water a person who has fallen overboard. The device consists of a crane mounted on strong, cylindrically-shaped metal tubing fitted over the shroud of the mainmast of the sailboat. The metal tubing consists... | 07/25/1995 |
| 5381748 | Water sport equipment The board member of the water sport equipment includes a steering arrangement and a control for controlling the steering arrangement. The glider member includes a stabilizer extending across a centerline of the glider member.... | 01/17/1995 |
| 5377607 | Conversion arrangement for sail board with seat A multi-functional accessory arrangement for converting a sail board into a paddling craft, rowing craft or conventional sailing craft consisting of a sail board hull having a multi-functional seat including an associated back support adapted to be adjust... | 01/03/1995 |
| 5291844 | Clew for a sailboard boom A clew constructed from carbon fiber composite is provided for a sailboard boom, the clew having a pair of cylinders having longitudinal axes and connected together by a trapezoidal central flange having substantially equal non-parallel sides connected to... | 03/08/1994 |
| 5239938 | Quick-connect boom end A quick-connect, outhaulless boom end is adjustably secured to boom spars of a sailboard boom. The boom end terminates in a forward of leech position with respect to the sailboard's sail. A clew tube or rod coacts with the sail in the forward of leech pos... | 08/31/1993 |
| 5189976 | Sail shaping arrangement for sailboards A sail shaping arrangement for a sailing craft as a sailboard is described, the arrangement associated with each of the sail battens. The shaping arrangement includes a pair of flexible fingers extending over and past each batten to straddle the mast with... | 03/02/1993 |
| 5134952 | Sailboard outhaul and downhaul tensioning mechanism A fluid pressure member (26 or 26' or 100) is connected between foot portion (3) and upper portion (4) of the mast (3, 20, 4) of a sailboard (1) which, in turn, are connected to the head (6) and tack (10) of the sailboard sail (7). Controls for a source o... | 08/04/1992 |
| 5060590 | Sailing apparatus A wind propelled apparatus in which a mast is mounted on a craft and supports an arcuate boom and a sail therebetween. The position of the mast and sail is controllable and maintained directly by the user and the movement of the mast during use, is confin... | 10/29/1991 |
| 5001999 | Mast brace for a windsurfer A mast brace for a windsurfer which takes the form of a cord which is adjustable in length. The mast brace is to be adjustable to various desired degrees of tautness to decrease the amount of lateral bending of the mast that occurs when wind pressure is a... | 03/26/1991 |
| 4964353 | Windsurfer sail A windsurfer sail where the top section of the mast of the sail is arcuately curved a substantial amount where the longitudinal center axis of the top edge of the mast is parallel to the upper surface of the sailboard. This top section of the mast is also... | 10/23/1990 |
| 4926772 | Emergency paddle kit An emergency paddle kit for sailboards is disclosed. The kit comprises at least one shaft which has a paddle blade attached to one end, which shaft is releasably attached to the boom of a sailboard. When the sail of the sailboard is not used to propel the... | 05/22/1990 |
| 4926774 | Wind propelled apparatus A wind propelled apparatus is disclosed which includes a surfboard having a wind-propulsion sail adapted to receive wind for motive power, and a training sleeve which surrounds a substantial portion of the surfboard and includes side pontoons or stabilize... | 05/22/1990 |
| 4875424 | Sailboard construction A sailboard is disclosed of the type having a mast pivotally connected to a board, a boom connected at one end to the mast and a sail tensioned by out haul and down haul lines. A down haul tie down mechanism is provided for receiving and securing the down... | 10/24/1989 |
| 4838189 | Mast attachment for quick connect and disconnect A readily detachable and fully rotatable coupling between a mast and sailboard is described, comprising a male portion with a circumferential groove, and a female portion with a recess to receive the male portion, and spring-biased tongues extending into ... | 06/13/1989 |
| 4815407 | Rigging, in particular for a sail board Rigging for nautical or terrestrial craft comprising a sail (1) integral with a mast hinged to the craft. According to the invention, the sail (1) is stretched onto symmetrical uprights (2) which are themselves bent by a cable (7) tensioned by a hoist (10... | 03/28/1989 |
| 4785755 | Sail board handgrip A handgrip extension to be attached to the boom of a sailboard is disclosed. The extension permits the user to confortably grip the forward end of the boom to minimize injury and discomfort while allowing greater control and speed in sailboarding.... | 11/22/1988 |
| 4733624 | Flexible wing rib sail A sail on a cylindrical mast provides an aerodynamically shaped leading edge automatically oriented into relative wind, and a smooth shape behind the mast automatically adjusting for changes in trim of the sail. Flexible rib pairs opposite the mast are cl... | 03/29/1988 |
| 4671199 | Rig for a windsurfing board The invention relates to a rig for a windsurfing board in which the clew (8) of the sail (2) prior to tensioning and trimming of the sail (2) is fixed in location in a stern fitting (10) of the wishbone boom (3). The stationary fixing can either be done p... | 06/09/1987 |
| 4593638 | Arrangement and method for achieving an aerodynamic mast profile for sailcraft An arrangement is disclosed which secures the sail to the mast of a sailing craft to achieve an aerodynamic profile about the mast while allowing curvature in the mast for optimum sail profile. The arrangement includes an outer profile sleeve of flexible ... | 06/10/1986 |
| 4546720 | Connecting device between the wishbone and the mast of a sailboard The present invention relates to a connecting device between the wishbone 7 and the mast 2 of a sailboard, characterized in that it comprises a substantially V-shaped element 8 pivoted on each of both arms of the wishbone 7 and intended to surround the ma... | 10/15/1985 |
| 4539926 | Board-like floating body A board-like floating body has a fixed mast, a swingable sail fastened to the mast, and an outrigger which is arranged so as to be swingable about an axis perpendicular to the upper side of the floating body and which has a seat and is intended to carry o... | 09/10/1985 |
| 4534305 | Sail ski device A sail ski device in which the skis (4) have a longitudinal section incurved from the center to the ends, the ends having each a nose (5). The central portion of each ski (4) is provided with a rigid securement element (6) on which are mounted elastic blo... | 08/13/1985 |