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| Number | Title | Issue Date |
| 6557775 | Dolly track A portable, folding camera dolly track is assembled from a number of folding track sections, each track section having a parallel pair of rails, each rail having a base and a cylindrical wheel-supporting rail element, and a transverse spacer. A continuous... | 05/06/2003 |
| 5704570 | Welded nose rail used for crossing A nose type rail member for a crossing member applied to a turnout or wayside switch system on the ground for a train and the like, is made of high carbon steel material containing 0.70 to 0.82 wt. % of carbon. The rail member is constructed by a pair of ... | 01/06/1998 |
| 5611234 | Process for modifying the section of a railway rail and rail thus obtained The process consists in increasing the height of the rail to the detriment of the thickness of the web (16) and of the flange (18). Firstly, the thickness of the upper part of the web (16) below the head (14) is reduced by machining and, next, the rest of... | 03/18/1997 |
| 5419490 | Point rail for switching gear A point rail for switching gear comprises a head (10) with a running surface (Σ), a web (20) with a mid plane (π) and a base (30). The running surface (Σ) is inclined relative to this mid plane (π). The base (30) has two unequal wings (300), the large... | 05/30/1995 |
| 5295624 | Contact surfaces of a track part and railway wheel To achieve low wear and hence a greater shape durability of track parts, it is proposed that the contact surface of a track part have a curvature having a constant difference ƊK in relation to the curvature of the corresponding current contact surface of... | 03/22/1994 |
| 5007351 | Mobile carriage with center drive A mobile storage system includes mobile carriages that roll on rails embedded in a building floor. The carriages are driven along the rails by at least two flanged wheels that engage a grooved rail. The flanged wheels are preferably mounted in parallel ch... | 04/16/1991 |
| 4800619 | Wear insert for a door channel A wear resistant track for the rollers of an overhead door to roll against includes a pair of uniform longitudinally extruded members such as an insert and a channel and locking means for releasably interlocking the members together whereby a planar surfa... | 01/31/1989 |
| 4744512 | Composite section, in particular composite conductor rail The invention relates to a composite section having a section or part of the rail cross-section made of light metal and also, mounted securely on the same, a section made of a heavy metal which forms a part of the outer surface of the composite section--i... | 05/17/1988 |
| 4657181 | Rail for a track bound vehicle A rail for a track-bound vehicle comprising a number of lateral flanges, which can cooperate with a substructure, the flanges extending in an outwards direction from an essentially vertically arranged web provided with a foot, and a portion of a runway ra... | 04/14/1987 |
| 4640459 | Dual rails for roller pallets This invention concerns dual rail transportation system (1) used with roller pallets on which the wheels (2) of at least one pair of wheels are swiveling. On the margins of the running surface (5) of one rail (4) have been provided relatively low steering... | 02/03/1987 |
| 4393960 | Low noise railroad retarder brake shoe structure A brake shoe structure includes a series of alternating long brake shoes and short brake shoes mountable on adjacent brake beams in a railroad car retarder. The length of the long brake shoe is such that the long brake shoe symmetrically straddles two adj... | 07/19/1983 |
| 4304187 | Monorail system A monorail system having a rail surface that is provided for small vehicles traversing an incline or slippery areas, with the surface having a plurality of spaced recesses positioned in those areas to form gripping edges for the drive wheels of the vehicl... | 12/08/1981 |
| 4139154 | Rail for center-flange wheels The present invention relates to a rail intended to constitute a tread for heavy duty rolling stock, such as gantry cranes, mounted on wheels or rollers and concerns more specifically a guide rail on which both center-flange wheels or rollers, and lateral... | 02/13/1979 |
| 4015537 | Interior railway transportation system A self-propelled car and load-conveying container on the car travel along a track system having horizontal and vertical track runs with bends or curves between such runs, and having inside and outside corner bends or curves between horizontal track runs .... | 04/05/1977 |
| 3952839 | Rail trackway fitted with braking devices A rail trackway fitted with braking devices which are arranged along predetermined intervals and comprise elastically deformable braking bodies adapted for use in warehouses and at loading stations for transshipment.... | 04/27/1976 |
