"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 7192036 | Manually movable trolley A manually movable trolley (1) which is nestable with like trolleys, including a frame (3), a loading platform (7) and two upwardly extending uprights (13) located at the rear (4) of the wheel frame (3) and carrying a pushin... | 03/20/2007 |
| 6422357 | Braking apparatus A braking apparatus for imparting constant mechanical torque to effect a braking action is capable of operating in a constant, smooth, and adjustable manner, yet operates essentially independent of friction and temperature, as well as independent of rotat... | 07/23/2002 |
| 5569119 | Implement for ground treatment with a dead-man safety A manually displaceable implement for ground treatment comprising a dead-man safety based on an automatic lowering and blocking of the running wheels (5). A stop (10) is provided on the implement for blockage, against which at least one lowered running wh... | 10/29/1996 |
| 5388673 | Hand held brake for use with foot-mounted wheeled vehicles A hand-held braking device for use with foot-mounted wheeled vehicles such as in-line skates, rollerskates, skateboards, roller skis, and other similar wheeled vehicles designed to control speed or to stop quickly in a short distance. The device consists ... | 02/14/1995 |
| 4807727 | Method and apparatus for securing a torque applying device Method and apparatus for securing an electric brake/clutch (14) against rotation relative to a stationary member (10). A preferred system includes an anti-rotation lever (26) attached to and extending from a brake/clutch housing (16). Anti-rotation lever ... | 02/28/1989 |
| 4799576 | Protective device to prevent projection of a heavy coiled spring away from an air brake housing A protective device for use on a wheeled vehicle such as a tractor pulled trailer equipped with an air brake is provided. The air brake includes a housing generally disposed lengthwise of the trailer and comprises a transversely disposed diaphragm in a me... | 01/24/1989 |
| 4664596 | Vertical axis wind turbine and components therefor Wind turbines, improved gear box assemblies, sub-assemblies and components therefor, and a braking system adaptable for use with such wind turbines and improved gear box assembly.... | 05/12/1987 |
| 4633980 | Rotary motion damping means A damping device is provided for damping momentum in a rotary member to stop it at a desired normally stopped position without any override therefrom, the device including a friction plate moveable against the rotating member at least in the terminal stag... | 01/06/1987 |
| 4613282 | Gear connection and brake assembly An improved gear box assembly is provided for a vertical axis wind turbine, the vertical axis wind turbine having a rotor having a centrally disposed axis oriented in the vertical direction, a bull gear supporting the rotor, a base below the bull gear, th... | 09/23/1986 |
| 4582188 | Speed controller for pallets The speed of a pallet as it descends down a pair of inclined rails in a flow rack is controlled by a series of speed-control wheels mounted on axles fastened to frame members located underneath the pallet. A tapered roller bearing is interposed between ea... | 04/15/1986 |
| 4537415 | Dynamic brake for manual wheelchair To substantially reduce the physical effort required to slow or stop a manually propelled wheelchair, the customary propulsion ring attached to the outer side of each main chair wheel is mounted on the wheel for limited inward axial movement under manual ... | 08/27/1985 |
| 4458656 | Ball pitching device with arm brake assembly A ball pitching device having an arm brake assembly for a ball pitching machine is provided that rapidly decelerates the throwing arm of the machine once a ball has been released from the arm, thereby reducing unwanted oscillations of the throwing arm and... | 07/10/1984 |
| 4434973 | Electric hoist This electric hoist incorporates a wedging-groove pulley controlling a free-end wire-rope and comprises an epicyclic reducing gear surrounding the motor output shaft and providing a high reduction ratio with a minimum axial length; the gear comprises a su... | 03/06/1984 |
| 4222462 | Brake to decelerate axially moving actuating rod A brake to decelerate the driving movement of an actuating rod along an axis. The actuating rod is driven relative to a frame by an actuating mechanism. The actuating rod has an external tapered surface whose lateral dimension decreases in the direction i... | 09/16/1980 |
| 4110670 | Braking apparatus A brake apparatus is disclosed in which a rotary shaft coupled to a load to be rotated is rotatably supported by a plain bearing and a biasing device is located near the shaft to bias or move the shaft to the biasing device to applying braking force to th... | 08/29/1978 |
| 3999365 | Brake device applied to a rotor spindle of an open-end spinning apparatus A brake device is provided for stopping the rotation of a rotor shaft of an open-end spinning unit wherein a rotor shaft is turnably supported by a bearing assembly which is held by a bushing member by way of a resiliently yieldable member disposed betwee... | 12/28/1976 |