Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7086589 | Smart connections The invention provides a method of controlling access to an object (16), such as a product for sale. The object (16) or its packaging (110) is secured, for example to a sales console (12,68) by use of connecting means (26). The con... | 08/08/2006 |
| 7025258 | Ball bearing actuation mechanism A ball bearing actuation mechanism includes a circular gauge wheel rotatably mounted in an interior chamber of a housing below an inlet passage and adjacent to outlet and overflow discharge openings of the housing and a curved retainer wall mounted to the housing in... | 04/11/2006 |
| 6925958 | Driving device including a position indicator This invention relates to a driving device (1) comprising a drive shaft (3) that is rotatably supported in a housing, which driving device includes a position indicator for said drive shaft, wherein a cam (27) is present on the drive shaft, whos... | 08/09/2005 |
| 6467603 | Snack dispenser A snack dispenser consists of a series of tiers stacked to resemble a wedding cake. Each tier includes a trough divided into slots. A snack may be placed into each slot. The front of each slot is transparent. The troughs or trays are mounted on a rotatabl... | 10/22/2002 |
| 4591042 | Coin machine for a newspaper, magazine, food or other item dispensing apparatus A coin machine for collection and checking of different types of coins and for release of a device for dispensing goods when the proper number of coins for the item purchase price is inserted into the coin machine. The coin-checking device comprises a car... | 05/27/1986 |
| 4446956 | Single coin carriage bar A single coin carriage bar for use with a coin control device wherein the coin control device includes a coin totalizer mechanism having an actuator registered portion for accumulatively totaling the value of coins deposited in the coin controlled mechani... | 05/08/1984 |
| 4421219 | Dual price cam system for totalizing vendor A multiple price system for a vending machine wherein an intermediate member is selectively interposed between a price cam and a product release device to alter the price at which a product is made available to a purchaser.... | 12/20/1983 |
| 4397382 | Coin operated meter A coin operated meter has a housing with a coin box, coin return and clock mechanism located within the housing. The clock mechanism is wound by the successive insertion of coins within the meter. An escrow support mechanism within the housing selectively... | 08/09/1983 |
| 4396105 | Price setting mechanism for a vending machine A price setting mechanism of a vending machine for setting one of two or more sales prices is disclosed. Merchandise dispensing devices are mounted on an operating base plate. Depending on the sales price, at least one control bar is coupled to a respecti... | 08/02/1983 |
| 4382499 | Novel totalizer application for newspaper vending machine A novel arrangement for using a standard totalizing coin mechanism in a newspaper vendor is disclosed. Instead of using a coin or stack of coins to depress a door latch as is now customary to permit access to a stack of papers, the present invention uses ... | 05/10/1983 |
| 4210236 | Stamp book vending machine A stamp book vending machine wherein a motor driven slidable plate extracts a book from the bottom of a vertical stack and at the same time actuates a counter and discharges accumulated coins into a collection box, an independent arrangement being provide... | 07/01/1980 |
| 4098384 | Token actuatable vend mechanism A coin operable vend mechanism has a frame, a token counter mounted on the frame, a vend release mechanism mounted on the frame and operably connected to the token counter, and a token acceptor removably mounted in the frame and atop of the token counter;... | 07/04/1978 |
| 4088873 | Rental time control system in coin-operated locker A coin-operated locker is provided with a rental time control system comprising a time lapse detecting section for counting rental time in such a manner that its counting operation is started when the key turned to lock the locker is pulled out of the loc... | 05/09/1978 |
| 4079822 | Unlocking mechanism for a vending machine A vending machine of a type having a plurality of coin releasable and manually operable pull rods for selectively releasing a product to a consumer. A novel mechanism is provided for selectively locking or releasing the pull rods. This mechanism includes ... | 03/21/1978 |
| 4078646 | Independent index mechanism for parking meters A multiple coin sensing apparatus for a parking meter has an index which positions a stop pin in accordance with the diameter of the coin being cycled through the meter. The indexing mechanism comprises a disc which is provided with a groove for each coin... | 03/14/1978 |
| 4033442 | Locking and releasing mechanism for a vending machine A mechanism for selectively locking and releasing an actuating device for a vending machine. The actuating device, when unlocked and actuated, releases an item from the vending machine. The locking and releasing mechanism of the invention includes a shaft... | 07/05/1977 |
| 3999372 | Parking meter control unit The invention provides an equalizer or control unit to be used in conjunction with the present day type of parking meter. The control unit of the invention comprises an ultrasonic transmitter and receiver system which senses the presence of a parked vehic... | 12/28/1976 |
| 3941227 | Coin box mechanism A coin box mechanism is provided which can be easily set to be actuated by a combination of coins and wherein the combination can be readily changed without the use of tools. The coin box mechanism was particularly designed for use in conjunction with a n... | 03/02/1976 |
