Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 7323648 | Double action activated switch A new rotary switch and new rotary switch assembly kit which has two normally open terminals and two normally closed terminals outside the surface of the switch, and also has two arm actuate steel wires and two separate electric circuits to be used in association wi... | 01/29/2008 |
| 7244175 | Coin recycling machine and method A coin recycling machine (10) for receiving, sorting and dispensing coins, comprising a coin dispenser having a rotatable coin magazine (23) for holding respective denominations of coins and having an electronic control (100, 107), said electron... | 07/17/2007 |
| 7168701 | Paper transporting apparatus A paper-transporting apparatus is used for transporting recording paper. A paper-transporting device is movable between a loading position where the paper-transporting unit has been completely attached into a chassis and an unloading position where the paper-transpo... | 01/30/2007 |
| 7032735 | Coin slot for a mechanical coin-acceptor unit and mechanical coin-acceptor unit having a coin slot A coin slot for a mechanical coin-acceptor unit and a mechanical coin-acceptor unit having a coin slot aperture incorporated in a front plate, a coin slot chamber and a coin channel are proposed, the coin channel being offset relative to the coin slot aperture and t... | 04/25/2006 |
| 7028827 | Coin counter/sorter and coupon/voucher dispensing machine and method A coin sorting and counting machine and a method for operating it to automatically dispense cash vouchers based on the value of the counted coins, manufacturers' coupons and store coupons. Coins are placed in a hopper tray. When the hinged tray is lifted, the coins ... | 04/18/2006 |
| 6929179 | Automated fee collection and parking ticket dispensing machine An automated fee collection and ticket dispensing machine is disclosed that is capable of operating under a variety of operating modes. The machine permits users to purchase a variety of passes. The disclosed machine includes printers to produce receipts or passes f... | 08/16/2005 |
| 6732848 | Tamper-resistant device for coin accepting machines A tamper-resistant device retrofits onto an existing parking meter or other coin accepting machine to increase the exterior security of the parking meter at the point where the coins are deposited into the parking meter. Accordingly, potential thieves and vandals wo... | 05/11/2004 |
| 6319126 | Game machine detachable coin sending device for coins inserted in a lump A game machine wherein there is provided an attach-detach guide means D for guiding attaching and detaching of a coin-sending device C with respect to the game machine body 8 and causing an outlet passing C20 of the device C to be aligned with a communica... | 11/20/2001 |
| 6250451 | Shopping cart rental system A shopping cart rental system for renting shopping carts and encouraging returning of shopping carts to designated areas. The shopping cart rental system includes a plurality of rental assemblies. Each of the rental assemblies comprises a housing. The hou... | 06/26/2001 |
| 6050388 | Device for selecting objects, particularly coins A selector device for selecting objects (1) inserted by way of payment into a dispenser of goods or services via an insertion orifice (10), the device comprising a transport member (100) provided with a housing (110) designed to receive the objects singly... | 04/18/2000 |
| 5684597 | Method and device for coin diameter discrimination A coin diameter discriminating device wherein a coin is received in a coin transport mechanism which is rotated by a motor at an accurately controlled angular velocity. By such arrangement, the coin is carried along a predetermined path at an accurately c... | 11/04/1997 |
| 5577591 | Coin selecting apparatus A coin selecting apparatus includes a damper ball arranged beside a coin passage to contact inserted coins and a ball guide for smoothly guiding the damper ball, in order to adjust inserting speed of the inserted coins in association with movements of the... | 11/26/1996 |
| 5566808 | Low profile coin analyzer apparatus An electronic coin analyzer having a low profile that is especially useful for applications previously limited to mechanical devices includes a test coin path aligned with a coin-receiving opening in a faceplate and a rejected coin path laterally offset f... | 10/22/1996 |
| 5555966 | Device for the receiving of coins at a coin-operated automatic machine A device for the receiving of coins in a coin-operated automatic machine is provided with a coin-insertion slot, furnished in the coin-operated automatic machine for receiving of the coin money, where the individual coins have to be fed successively by th... | 09/17/1996 |
| 5529162 | Coin slide for a coin chute assembly An improved coin slide for use in a coin chute assembly is disclosed in which the coin slide has a handle portion extending upwardly from the upper surface of the slide. The handle has an inwardly facing inclined surface which is defined in terms of a lin... | 06/25/1996 |
| 5514021 | Coin spinner and savings box with same The present invention provides a coin spinner comprising a plate having a coin slit formed therein and in which a coin spinning mechanism consisting of a pair of leaf springs is encased. The plate is used with a savings box body having a coin receiver pro... | 05/07/1996 |
| 5467857 | Slot machine having unitary coin restoration system A slot machine comprising a game execution system for executing a game, a coin dispensing/adjustment system for dispensing coins and making adjustment, and a coin handling system is disclosed. The coin handling system comprises an internal hopper (1) for ... | 11/21/1995 |
| 5429222 | Device for verifying the conformity of and for routing objects inserted in a dispenser A device for verifying the conformity of objects, in the nature of coins inserted as payment in a dispenser of products or services through an opening, and for directing the objects toward means for processing the same. The device is of the type comprisin... | 07/04/1995 |
| 5404986 | Method and apparatus for discriminating and collecting coins A method and apparatus for discriminating and collecting coins wherein an inserted coin is received in a notch of a rotary disk. Upon sensing the insertion of a coin into the notch, a motor rotates the disk through a predetermined arc to a predetermined a... | 04/11/1995 |
| 5402871 | Drop coin mechanism A drop coin mechanism for use with a coin authentication and counting apparatus prevents tampering with such apparatus and includes a faceplate defining an aperture therethrough for passage of a coin, the faceplate aperture being substantially completely ... | 04/04/1995 |
| 5392891 | Apparatus and method for discriminating coins based on metal content A method and apparatus for discriminating coins based on their metal or ferrous content. Coins are transported by a rotary mechanism that stops when a coin is accurately positioned with respect to an adjacent metal sensor. The metal sensor is then activat... | 02/28/1995 |
| 5355988 | Coin supply device for coin-operated gaming machine A coin supply device includes a conveyor belt and a separating roller disposed above the conveyor belt. Upper coins of two or more overlapping coins are pushed back and separated by the separating roller rotating in a direction opposite to that of the con... | 10/18/1994 |
| 5328014 | Coin selector A coin selector includes a horizontal coin conveying unit for forcibly conveying a coin inserted through a coin insert slit in the horizontal direction while the coin is held between an opposing pair of endless belts. The horizontal coin conveying unit is... | 07/12/1994 |
| 5311975 | Coin slide extension A coin slide extension for a coin chute assembly. A pivotal lever is connected to a mounting bracket secured to the end of an extension plate. The lever pivots over a starting mechanism upon inward movement of the coin slide, and operatively engages the s... | 05/17/1994 |
| 5299672 | Coin selector with coin slit shutter A coin selector includes a horizontal coin conveying unit for forcibly conveying a coin inserted through a coin insert slit in the horizontal direction while the coin is held between an opposing pair of endless belts. The horizontal coin conveying unit is... | 04/05/1994 |
| 5277291 | Waste collecting machine with coin refund mechanism A waste collecting machine comprising a housing having two entrances for waste metal cans and glass bottles, a mechanical arm to collect and deliver waste metal cans or glass bottles into said entrances respectively, a roller ramming mechanism to crush wa... | 01/11/1994 |
| 5236339 | Coin selector A coin selector includes a horizontal coin conveying unit for forcibly conveying a coin inserted through a coin insert slit in the horizontal direction while the coin is held between an opposing pair of endless belts. The horizontal coin conveying unit is... | 08/17/1993 |
| 5184709 | Coin selector A coin selector includes a single coin passage and a single coin rolling-down passage. The coin passage is equipped with a coin discriminating mechanism so as to discriminate whether a coin inserted through a coin insert slit is a true coin or a false coi... | 02/09/1993 |
| 5139128 | Chute for controlling the motion of a token moving by gravity through a token-receiving device A token receiving chute for use in a token operated device is disclosed. The chute is designed so that a token inserted therein will fall toward an appropriate location due to the force of gravity. In order to decrease the kinetic energy imparted to the f... | 08/18/1992 |
| 5082100 | Device for processing coins The device comprises a housing possessing a front face provided with an admission slot for coins and with a coin return receptacle. A conveyor, situated in a shaft communicating by gravity with the return receptacle, transports the coins from the admissio... | 01/21/1992 |
| 4802566 | Coin slide guard A guard for the mounting flange of a vertical type coin slide includes a hardened steel face and a rearwardly extending, integral, peripheral flange. The face of the guard includes a shaped opening to receive the slide of the coin slide therethrough. The ... | 02/07/1989 |
| 4721197 | Vending machine A manually operated coil vending machine device is described which has a rod tipped with a pressure sensitive adhesive movable along a slot in the device to a storage bin area where articles for sale are stored and displayed. Once in the bin area, the rod... | 01/26/1988 |
| 4717008 | Automatic coin feeder with winding mechanism Apparatus automatically feeds coins into a parking meter. The timing clock used in the parking meter operates an external coin feeding mechanism to feed a coin when the time on the parking meter is about to expire. The invention is applicable to parking m... | 01/05/1988 |
| 4717007 | Non-trapping coin shuttle for electronic parking meter A coin acceptance shuttle for electronic parking meters adapted to receive coins, one at a time, from a predetermined family of permitted coins and to laterally transport such coins to the channel inlet of the electronic coin acceptance apparatus. The shu... | 01/05/1988 |
| 4588064 | Coin slide bracket and flange adapter for a vending machine A coin slide mechanism adapter plate attachable to the coin slide mechanism of a vending machine such as may be used for automatic washing and drying machines or the like installed in apartment or other multiple dwelling complexes, forms a mechanical inte... | 05/13/1986 |
| 4542817 | Device for preventing improper operation of a slot machine A modified coin track assembly for known slot machines of the type which is generally operated by a person first inserting a coin of a certain value into the machine which causes the machine to be conditioned for a gaming operation, and by the person then... | 09/24/1985 |
| 4515262 | Coin slide An improved coin slide of the type that includes a sturdy body having a medial mounting flange and a slide movable relative to the body between a coin receiving position and a vending position is disclosed. The slide is provided with a plurality of transv... | 05/07/1985 |
| 4509630 | Multi-coin coin chute An improved coin chute for actuating commercial coin operated machines such as clothes washers and dryers wherein up to ten coins or more can be inserted simultaneously. The coins are measured for acceptability and, if accepted, are transferred to the coi... | 04/09/1985 |
| 4499983 | Coin slide with coin drop delay means The coin slide includes a fixed body with an integral flange and an integral handle and slide plate which is reciprocal on the body and through the flange. The handle is provided with a plurality of elongated openings within which are fitted interchangeab... | 02/19/1985 |
| 4457320 | Coin identification unit and coin separator therefor Coins that are overlapped in a coin identification device are separated by opposed frictional surfaces driven in opposite directions. A primary frictional surface may be on a downwardly traveling belt and a secondary frictional surface may be as upwardly ... | 07/03/1984 |