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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 |
| 5395045 | Support rails for shafts An extruded aluminum alloy rail for supporting a shaft for a linear guidance system, the rail comprising a vertical body with a longitudinal notch on its upper surface for receiving the shaft along two generatrixes and a pair of symmetrical longitudinal w... | 03/07/1995 |
| 5061829 | Composite conductor rail of aluminum and steel, in particular high-performance railway conductor rail The composite conductor rail comprises an aluminum base-section (12) and at least one steel strip (12) as power transfer surface for the power collector. The aluminum base-section is connected in a mechanically stable manner and with good electrical conta... | 10/29/1991 |
| 5047595 | Conductor rails A conductor rail comprises a main body of aluminium and a stainless steel facing layer which is produced by welding together two longitudinal J-section strips. The welding operation is effected with the strips in contact with the main body and provides an... | 09/10/1991 |
| 4889281 | Sliding rail construction for the rowing exercising machine The present invention relates to an improved sliding rail construction for rowing exercising machine, in which, the sliding rail for rowing exercising machine is formed by combining an upper sliding stripe made of aluminum alloy and a rail base made of fe... | 12/26/1989 |
| 4469299 | Railway turnouts According to the invention a railway turnout comprises two wing rails and a point, carried on a frog, which includes a nose, the running surface of which is substantially co-planar with the running surfaces of the rail of the turnout, the wing rails being... | 09/04/1984 |
| 4284181 | Rigid trolley rail and method for laying the same A rigid trolley rail having a continuous unified structural body which is formed by continuously laying a plurality of short trolley rail bodies made of aluminum along the track of a travelling body and by mechanically connecting or welding confronting en... | 08/18/1981 |
| 4060963 | Guide track arrangement and method of adjusting the same A guide track arrangement for displaceably guiding one or more servicing units at an open-end spinning machine which includes a number of individual spinning units disposed side-by-side. The guide track arrangement includes at least one rail for receiving... | 12/06/1977 |
| 3985211 | Overhead rigid power conductor A rigid power conductor to be suspended from an overhead structure or ceiling by means of insulators for the supply of electric energy to electric power driven vehicles on rails. The conductor is a conductor wire held between two side-by-side I-beams urge... | 10/12/1976 |
