Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7322545 | Structural mechanism for unlocking and engaging a controllable surface on a hinged platform (wing) A structural mechanism for an aircraft includes a support, a hinged surface, and a hinge assembly joining the hinged surface to the support. An actuation system includes an actuator shaft engaged to the hinges and lying coincident with a hinged-surface hinge axis an... | 01/29/2008 |
| 7121160 | Mechanical transmission A constant power mechanical transmission with seamless, ripple free, infinitely variable torque multiplying outputs comprises an input shaft and an output shaft. The input shaft is coupled to a pair of oscillating levers whereby rotation of the input shaft causes os... | 10/17/2006 |
| 7004420 | Dynamo-electric core winder The present invention is concerned with the driving mechanism of winding needles which dispense wire to form the wire coils of a dynamo-electric machine component. Generally, such wire winding is achieved by providing translational, rotational, and radial motions to... | 02/28/2006 |
| 6594619 | Apparatus and method for predicting failures of spinning disks in turbo-machinery An apparatus is described for detecting the early signs of cycle-induced fatigue and thereby predicting failure of the rotating disk in turbo-machinery. It identifies asymmetrical growth of hub-blade diameter as a predictor of incipient crack growth. Tip ... | 07/15/2003 |
| 6481415 | Electronic throttle control The present invention provides an assembly for providing a variable output torque based upon a constant input force. The assembly includes an actuator for providing a constant input force and at least one link operatively coupled to the actuator and a piv... | 11/19/2002 |
| 5899112 | Rotary/linear converter A rotary/linear converter comprising a reciprocator having a main axis (A) and being adapted for reciprocating movement in the direction of the main axis (A) and a rotator adapted for rotating movement about the main axis (A), the converter further includ... | 05/04/1999 |
| 5408719 | Single arm windshield wiper assembly with a telescoping wiper blade A single arm windshield wiper assembly including a reversible motor, a wiper pivot assembly, and a windshield wiper blade slidably connected to the wiper pivot assembly. A first actuator sub-assembly is operatively connected between the reversible motor a... | 04/25/1995 |
| 5402997 | Device for opening and closing a sheet-film cassette The device comprises a support element (6) arranged in parallel with the free end of a cassette lid (1b) which is to be opened. The support element is driven by a lever gear (7, 8, 9, 33, 34, 35) and, guided on arms (2, 3), can be lifted and lowered. Spri... | 04/04/1995 |
| 5016335 | Tapping attachment for a punch press A tapping attachment for threading a relatively large number of holes through a sheet metal part at a relatively low cost per hole. The tapping attachment includes a thrust bearing assembly which is aligned with a turret-type punch press or the like and m... | 05/21/1991 |
| 4774822 | Compact transmission for automatic washer A compact transmission for an automatic washer which converts unidirectional rotary motion to oscillating rotary motion without the use of gears is provided. An input shaft is rotatingly driven by an electric motor and has a reversing thread connection to... | 10/04/1988 |
| 4737893 | Headlight door actuating mechanism A door actuating mechanism is provided for opening and closing of door structures over recessed headlights in a vehicle. The actuating mechanism includes means to cause pivoting of the doors to the open or closed positions and simultaneous sliding of the ... | 04/12/1988 |
| 4718258 | Reversing drive for triple action agitator A reversing drive for a triple action agitator is provided in which the agitator has an upper portion with helical grooves formed therein and a thruster barrel is received over the agitator upper portion. The thruster barrel has inwardly directed pegs whi... | 01/12/1988 |
| 4130025 | Control linkage for converting alternating rotary motion into unidirectional motion A linkage assembly coupled between a pedal, rotatable from a neutral position in either of two directions, and a transmission and a carburetor or fuel injector. The linkage assembly includes a crank rotatable in either of two directions in response to the... | 12/19/1978 |
| 4006811 | Reversing device for the longitudinal advance of a ribbon of type printers A reversing device for the longitudinal advance of a ribbon on type printers for the alternating drive of two reels by means of a feed shaft which is selectively drivingly connectable to one of the gears respectively connected to the reels for the ribbon.... | 02/08/1977 |
