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Class 104/288 - Electric


Subclass of Class 104 - Railways
Definition: Apparatus wherein electric current is supplied to either
No. of patents: 51
Last issue date: 07/22/2008


  2  
NumberTitleIssue Date
4567334Suspended combined electric current collection and traction systems
A track for a suspended combined electric current collection and traction system including a base (22) and a resilient shield (26, 28) together defining an elongate space divided into two halves by a resilient beam (32), each of which contains a conductor...
01/28/1986
4459438Apparatus comprising a track and articles for movement therealong
A combination of a track formed from sections which are joined one to another with articles such as toy vehicles for movement therealong is provided in which the power for movement of the articles is transmitted onto a magnet in the article from an electr...
07/10/1984
4322772Rapid transit system transient voltage suppression apparatus
A transient voltage suppression apparatus is disclosed for application in conjunction with a power supply line to protect the chopper thyristor in the transit vehicle propulsion motor control apparatus, wherein an electrolytic capacitor is provided to abs...
03/30/1982
4307922Movable storage system
A movable storage system having a plurality of storage units disposed side-by-side and movable relative to each other to selectively open access paths between selected pairs of units. In response to operation of enabling and selection switches, a new aisl...
12/29/1981
4278381Pallet shuttle system
A shuttle rail assembly, capable of carrying a pair of pallets to which workpieces are fixtured, is mounted on a wheeled vehcile movable along a pair of tracks extending adjacent machine tools and set-up stations. The vehicle is positively driven by a DC ...
07/14/1981
4176609Electric transportation system
A transportation system that uses bus-like tire vehicles that travel in an express trackway between the suburbs and the city. The bus-like vehicles also have the capability of driving on conventional roadways in the suburbs and the city for picking people...
12/04/1979
4090452Power rail, control signal rail and guide beam arrangement for a transporting system
A power and control signal rail arrangement is disclosed for at least one transportation vehicle directed along a roadway by guide wheels depending from the vehicle and which follow a guide beam incorporated in the roadway. The arrangement provides for mo...
05/23/1978
4039040Storage assemblies
A storage assembly in which a row of storage units, such as racks, are movable between fixed limits along the length of the row in either of two opposite directions so that a gangway can be provided between the sides of any two adjacent units, and in whic...
08/02/1977
3957323Storage means with sequentially shiftable units
A series of storage stacks, such as bookcases, are mounted on a track with controlled power means for moving them to provide a single aisle between any two stacks. The remaining stacks are in contact with each other, thereby conserving space and lighting ...
05/18/1976
3946836Elevator system having co-moving and short-length annular-belt for suspending and propelling the carriage
An elevator system with a carriage for moving a payload such as personnel or cargo traversely along a vertically lofty silo or other vertically elongated structural environment, the elevator system comprising a finite-length framework along which the vert...
03/30/1976
3940680A.C. - D.C. power converter for D.C. load
A power converter which can operate with both a D.C. power source and an A.C. power source for supplying electric power to a D.C. load such as a D.C. motor. The power converter comprises thyristors, a diode, a reactor and a capacitor. A plurality of serie...
02/24/1976
  2  
 
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