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David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7306089 | Skillet power system The invention relates to conveyor systems with skillets adapted with connectors to enable power to be conveyed between skillets that are abutted together along a production area. With the skillets being electrically connected, the conductor only needs to supply powe... | 12/11/2007 |
| 7301433 | Fuse and truck cable assembly for a rail vehicle third rail current collector A fuse and truck cable assembly for a rail vehicle third rail current collector comprising a truck cable, a cable-engaging element, a fuse canister, a canister closure, a fuse contact element, and a flexible gland arranged so that the fuse can be replaced in the fus... | 11/27/2007 |
| 6805226 | Continuously installable/removable collector trolley A continuously installable/removable collector trolley includes a plurality of selectively extendable and retractable bearing assemblies. The bearing assemblies may be retracted to permit insertion and removal of the trolley into a conductor bar track at any point a... | 10/19/2004 |
| 6360860 | Current collector A current collector is used with an elongated, generally closed rail having a slot extending the length thereof and plural power conducting strips disposed within and extending the length of the rail, with the current collector providing power to a mobile... | 03/26/2002 |
| 6202809 | Power supply mechanism in conveyor system There is provided a power supply mechanism of a conveyor system in which power can be provided to a product placed on a pallet by conductive brushes in which said pallet is slidingly transferred to contact the conductive brushes. The power supply mechanis... | 03/20/2001 |
| 6073739 | Rail segments A rail is arranged along a predetermined route of a movable body. The movable body is moved by electric power fed through an electric cable wired along the rail. The rail is constituted by a plurality of rail segments. Each segment includes a body having ... | 06/13/2000 |
| 5355804 | Rail-guided apparatus-carrying system A rail-guided apparatus-carrying system for conveying and moving an apparatus such as a loudspeaker or a spotlight along a predetermined path defined by the system when fixed in a wall or roof of a housing, the system comprising a rail-like stationary hol... | 10/18/1994 |
| 5120911 | Self-propelled cable-way unit riding upon a surface conduction cable A self-propelled member or carriage runs along a stationary surface-conducting cable formed of alternately disposed conducting and insulating turns. The carriage is provided with a rotor extending around the cable and having contacts in a conductive relat... | 06/09/1992 |
| 5051546 | Trolley carriage A trolley carriage comprising rollers for carrying the trolley carriage along a bearing rail. The rollers are supported by at least one roller support of the trolley carriage. The bearing rail has live rails which are insulated from one another extending ... | 09/24/1991 |
| 4700024 | Signal and current transmission system with transducers spaced by the collector lines Control signals are transmitted to and from a vehicle in that stationary transducers are mounted on a parallelogram suspension for a collector line in a particular relation thereto, while a complementary and cooperating transducer is mounted next to a col... | 10/13/1987 |
| 4641582 | Electric overhead trolley conveyor A lower chord electric trolley conveyor comprising a rail with an upper flange which is directly connected to a support structure. The electric trolley receives its current from a bus bar attached to the rail. The drive wheels of the trolley engage the up... | 02/10/1987 |
| 4488015 | Device for power collection and motor control for overhead trolleys The invention relates to an apparatus for power collection and for control f motors on a chassis of overhead trolleys. The apparatus includes a casing for receiving the control device, which is detachably mounted on the rear side of the overhead trolley ch... | 12/11/1984 |
| 4480157 | Overhead running carrier An overhead conveyor comprising a monorail and a carrier supported on the monorail. In the illustrated embodiment, the monorail is generally I-shaped in cross section and the carrier comprises two carriages spaced apart along the monorail having a roller ... | 10/30/1984 |
| 4375193 | Monorail guideway assembly An improved monorail guideway assembly including unencumbered running surfaces that are supported by a truss. Electrical bus bars are attached to the underside of the running surfaces and a protective skirt is attached to the edges of the running surfaces... | 03/01/1983 |
| 4053035 | Current collecting system for self-propelled carriage of aerial tramway A cable holder device for holding current-carrying cables spaced apart but biased to maintain contact with two current-collecting shoes. The shoes are mounted on a self-propelled cable car having an electric drive motor connected to the shoes and driven a... | 10/11/1977 |
