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Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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| Number | Title | Issue Date |
| 6913717 | Method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted into the track slab A method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted in the track slab by an inserter system mobile along the route of the rail track includes the following steps: using a machine for continuousl... | 07/05/2005 |
| 6808660 | Method for producing a rail substructure A method for producing a rail substructure for railroad tracks, for which a rail bed is concreted and dowels are anchored positively in the concrete in order to fasten the rails, such that the dowels are inserted into the still deformable concrete during the concret... | 10/26/2004 |
| 6752322 | Method of constructing a rail track on a track-receiving concrete slab A method of constructing a rail track on a track-receiving concrete slab provided with channels serving to receive the rails of the rail track, wherein, after the concrete forming the track-receiving slab has set, it comprises at least the following steps: a)... | 06/22/2004 |
| 6296195 | Rail system A rail arrangement includes a bullheaded rail having joint ties and a rail head, a rail bridge and a rail foot. There is a driving track made of concrete with an integrated joint, in which the rail is seated in connection with a substrate; as well as prof... | 10/02/2001 |
| 5988519 | Precast concrete curved grade crossing with restraining rail A precast concrete curved grade crossing includes a plurality of base members, each of which has a central recess formed in the upper surface thereof. The central recess receives a plurality of center panels. The plurality of base members and center panel... | 11/23/1999 |
| 5863147 | Pavement for conveying vehicular traffic A rigid concrete slab for conveying vehicular or railroad traffic which is provided with functional longitudinal beams that extend or protrude downward from the underside of the slab and are fully and continuously supported by the underlying material. The... | 01/26/1999 |
| 4911360 | Precast railway crossing slab A modular railway crossing element is described having a slab member with a pair of open channels formed in its upper surface. The channels are substantially parallel and dimensioned to receive a pair of rails. Also described is a railway crossing utilizi... | 03/27/1990 |
