Class 238/304 - Top surface

Subclass of Class 238 - Railways: surface track
Definition: Top-surface form and attachments for tie-plates.
No. of patents: 20
Last issue date: 08/28/2007

Number	Title	Issue Date
7261244	Tie plate An electrically-insulated tie plate for electrically isolating parts of a railroad rail system from each other. The electrically-insulated tie plate includes a base plate having a recessed area for receiving a railroad rail and a layer of electrically-insulating mat...	08/28/2007
7080791	Abrasion assembly for supporting railroad ties An assembly for supporting a railroad rail on a tie includes an abrasion plate arranged to be positioned on a tie, and a pad disposed on the abrasion plate and adapted to receive the rail. The pad and plate have mating depressions and buttons arranged in complementa...	07/25/2006
6974087	Railway tie plate A tie plate is provided for securing a rail to a railway tie. The tie plate has a base with a tie face opposite a rail face, opposite end faces extending between the tie and the rail faces, a gauge side opposite a field side with said gauge and field sides extending...	12/13/2005
5628454	Foot support modification for railroad rails A sole, ribbed or slide chair plate for a foot of a railroad rail provided with two spaced flat bearing surfaces between which is a concave surface allowing for non tipping of the rail when in place if the bottom of the rail has a convex surface and a shi...	05/13/1997
5236711	Method for preserving wooden cross-tie A preservative-bearing pad and a method of using same to treat the interface between a railroad cross tie and tie plate. A sandwich of water-soluble active ingredient disposed between two layers of biodegradable hydrophilic backing is simply placed on the...	08/17/1993
4925094	Concrete railroad ties A concrete railroad tie has rail seats defined by plates, which are made from stainless steel or other non-corrodable metal or plastic, cast into the top surface of the tie at the rail seats. The stiffness of the plates should be less than that of the con...	05/15/1990
4618093	Rail insulation pads A rail pad for electrically and dynamically insulating the rail from the rail tie. Grooves or recesses are provided for force attenuation such that the overall volume is reduced by at least 15%. To improve durability particularly in curved track sections ...	10/21/1986
4572432	Anchor lock fastening assembly A substantially load free anchor lock fastening assembly for fastening a floating rail to a railroad tie which comprises an anchor lock plate which is adapted to be attached to an existing railroad tie plate or rail support, the tie plate having a rail su...	02/25/1986
4480787	Rail fastening device Disclosed is a rail fastening device particularly suitable for fastening a long rail to a wooden tie, comprising: a flat bellows-shaped intermediate member having tie-mounting parts provided at constant distances; a spike member for securing each of the t...	11/06/1984
4479607	Rail fastening device Disclosed is a rail fastening device adapted to fasten a rail. The device includes leaf springs each being bent at its intermediate portion and provided at its base portion with a screw spike hole and at the rail pressing end thereof with an elongated hol...	10/30/1984
4415120	Device for sleepers for railway tracks A device for sleepers for railway tracks, which sleepers (6) are adapted to support a number of rails (5) which are situated in a crossover point with an adjacent roadway. The device includes an element (28) with an underside which is adapted to rest, pre...	11/15/1983
4405081	Rail fastener with gauge adjustment A rail fastener having provision for rail gauge adjustment comprises a pair of supports secured to the railway tie in a spaced relation on either side of the base of the rail and a spacer between each support and the rail base. A series of different width...	09/20/1983
4382547	Railroad tie plate and correctable shim A railroad plate and connectable shim are disclosed for fastening railroad tracks over ground having a flat or raised topography in an economically feasible manner. The instant system provides a base plate with a sloping grooved channel for reception of t...	05/10/1983
4312477	Rail fastener assembly A railroad fastener assembly is provided for securing a rail in place. The rail fastener assembly includes a base plate, at least two rail locator members, formed integrally with the base plate and located on opposite sides of the rail for locating the ra...	01/26/1982
4260105	Railroad tie plate and correctable shim A railroad plate and connectable shim is disclosed for fastening railroad tracks over ground having a flat or raised topography in an economically feasible manner. The instant system provides a base plate with a sloping grooved channel for reception of th...	04/07/1981
4175700	Support and/or locating means for rails in rail tracks A rail pad made of substantially rigid electrically insulating material which is chosen to by yieldable to a predetermined extent, the pad having upstanding rail locating formations on its rail engaging face and oppositely directed pad locating formations...	11/27/1979
4155507	Tie plate arrangement for railroad track A tie plate for mounting railroad track rails on track ties in which the tie plate is formed from a corrosion resistant resilient polymer of dry self-lubricating characteristics, in which the tie plate has its upper side shaped to define along either side...	05/22/1979
4141500	Railway tie plate and a method of making a railway tie plate A railway tie plate has at least one rib to locate a railway rail and two arches under which parts of rail clips can be driven parallel to the rib. It can be made by deformation of a conventional tie plate designed for use with fastening devices for holdi...	02/27/1979
4060197	Rail fastener assembly A rail fastener assembly includes a restraining block to resist rail overturning and which is disposed atop a tie plate having a raised shoulder adjacent a rail seat section. The curved upper surface of the shoulder is engaged by a mating curved lower sur...	11/29/1977
4047663	Rail plate having spring clips and lateral positioning means A rail fastener includes a rail plate, a layer of elastomeric material between the plate and a support structure, and a pair of posts for laterally and longitudinally restraining the rail plate, with elastomeric material mounted between the posts and coop...	09/13/1977

PatentStorm

Quotables

PatentStorm News

Class 238/304 - Top surface