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Class 238/151 - RAIL JOINTS


Subclass of Class 238 - Railways: surface track
Definition: Means for joining two railway-rails together in aligning
No. of patents: 18
Last issue date: 03/16/2010


NumberTitleIssue Date
7677466Insulated rail joint assembly
An insulated rail joint assembly comprises a rail with a thick web section, held in place by joint bars and secured with electrically isolated fasteners. The joint bars have non-uniform cross-sections, being shaped with a thicker midsection area and thinner ends. El...
03/16/2010
7138095Liquid—liquid battery mounted extractors
This liquid—liquid extractor essentially comprises: individual extractors (1), battery mounted, sliding or set along rails (2) and able to consist of separators of two liquid phases by centrifuging; intermediate parts (3) connecting the indivi...
11/21/2006
6904164Method of inspecting accuracy in stitching pattern elements
A method of quickly and accurately inspecting the stitching accuracy at which regions of a lithographic pattern are stitched at boundaries. The numerous regions of the lithographic pattern are exposed or delineated, one at a time. Inspected regions are scanned with ...
06/07/2005
6723973Method for inspecting accuracy in stitching pattern elements using cad or pattern reference data
A method of quickly and accurately inspecting the stitching accuracy at which regions of a lithographic pattern are stitched at boundaries. The numerous regions of the lithographic pattern are exposed or drawn, one at a time. Inspected regions are scanned with a cha...
04/20/2004
6672516Thick web miter rail joint system between stationary and vertically movable track sections
A miter rail system for spanning a railroad track joint includes a fixed rail and a lift rail formed from thick web rail stock. The joining ends of the fixed and lift rails are notched to interfit with each other along a predetermined longitudinal extent ...
01/06/2004
6343747Fork and wedge-type rail connector
A fork and wedge-type rail connector that utilizes a fork-shaped primary element and a wedge-shaped secondary element to achieve an interlocking structure which is installed to connect rails on pre-stressed concrete railway ties, the utilization of which ...
02/05/2002
6170756Gauge plate and switch rod insulators
A T-shaped electrically insulated member for securing to rails having electric current passing therethrough. The electrically insulated rail member includes a metallic core and an electrically insulating material encasing the metallic core. The electrical...
01/09/2001
5711227Portable and collapsible dolly and track
A portable and collapsible dolly and track system is movably supporting a tripod which retains a camera or the like thereon. Once the dolly and the track have been assembled, the dolly is positioned on top of the track. A tripod is positioned on the dolly...
01/27/1998
5617796Longitudinal transfer system
The invention concerns a longitudinal transfer system made out of rail sections for guiding transport cars from one processing station to another, two adjacent rail sections being connected with one another mechanically and electrically. A connecting part...
04/08/1997
5355805Rail for overhead trolleys having bar in groove connection for connecting adjacent rail ends
Two mutually adjoining profile pieces (1a) of equal cross-section are connected by means of a coupling piece (16) which overlaps both of them and is situated in a coupling groove (15). The convexly arched floor of the latter is formed by the underside of ...
10/18/1994
5104040Butt joint device
Apparataus for butt joining hanging conveyor supports having a C-shaped rail section in which conveying hangers can travel back and forth along the rail section. The supports each have a hollow section above the rail section and trolley wires running alon...
04/14/1992
4951872Track jointers
A track jointer for use in connection with and for connecting together the ends of a track in a model track layout includes track sections for connecting the ends together, the jointer being located between the ends from a position substantially normal to...
08/28/1990
4800817Rail joint alignment system and method of connection
An alignment system and method are described for aligning and supporting facing ends of two rails so that they can be secured together (e.g., by welding or bonding). The alignment system includes a pair of lift plates to support the ends of the rails. The...
01/31/1989
4467924Movable aisle storage system
A movable aisle storage system is provided having rail and panel connector units which perform the dual functions of forming the rails and interconnecting the deck panels of the system track and deck assembly. Each connector unit has a substantially cylin...
08/28/1984
4381851Track splice
A track splice having finger members fixed to the spaced ends of two track sections. The finger members include adjoining, contacting surfaces which are configured to positively align the finger members and wheel support surfaces of the finger members and...
05/03/1983
4105160Rail joint bar for non-uniform rails
A joint bar for joining a first rail having a head and a depending terminal web, and a second rail having a head, a depending web and a transverse flange; the joint bar has a first U-shaped portion with a lower bight and upstanding legs, and a second port...
08/08/1978
4079889Railroad track rail
A rail track that reduces noise and vibration for particular use in rapid transit and subway lines. The track is formed of a conventional rail embedded in a pre-stressed concrete bed. Sections of such jacketed rails are joined together by means of flanges...
03/21/1978
3952948Adhesively bonded rail joint
Adhesively bonded rail joint which is quick to assemble and easy to dismantle and reassemble. The face of each joint bar of the rail joint has a layer of thermoplastic adhesive which upon moderate heating adheres strongly under moderate pressure to confor...
04/27/1976
 
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