Bridges inventions 07/06

20060162102 - Prefabricated, prestressed bridge system and method of making same: The prefabricated, prestressed bridge system comprises one or more prefabricated, prestressed bridge modules. Each module includes one or more steel beams arranged in a first direction on three or more supporting formwork elements that are arranged in a second direction generally perpendicular to the first direction. Rebar runs through the...

20060156491 - Main tower for bridge and bridge provided therewith: An object is to provide a main tower of a bridge having a rectangle-shaped cross section which can effectively reduce oscillation for wind blowing in the direction normal to the bridge axis. A cross sectional shape of a tower column is a rectangle shape with a direction normal to the...

20060156492 - Adjustable quick disconnect portable wheel chair ramp: Portable wheel chair ramps consist of a platform and ramp sections. The platform and ramp sections are sandblasted. Ramp sections have an extended adjustable legs, (U.S. Pat. No. 6,810,995.). Ramp sections have an extruded locking mechanism underneath that connect one section to others using a specifically designed tube and a...

20060156493 - Vertically-storing dock leveler apparatus and method: A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored raised position to at least one lowered,...

20060156494 - Vertically-storing dock leveler apparatus and method: A dock leveler for bridging the gap between a loading dock and the bed of a vehicle parked at the loading dock. The dock leveler is configured for installation on the top of the dock and is designed to rotate from a vertically-stored raised position to at least one lowered,...

20060150346 - Portable ramp and loa support assembly: A portable ramp and load support assembly including a pair of rigid, elongated, first and second ramp components hinged together at adjoining ends by a simple pivot pin. The apparatus is made of light-weight, injection molded plastic material, and is provided with a resilient, non-slip surface on its upper side....

20060150347 - Ramp: A collapsible ramp (100) comprising a collapsible deck (102) and a collapsible support structure (104). The deck (102) is composed of plural transverse panels (106, 110, 112, 114, 116) selectively joinable by tongue and groove connections (120, 122) and permanently interconnected by filament connecting means or hinges which allow the...

20060150348 - Dock leveller, lip for dock leveler and lip hinge construction: A dock leveller, comprising a deck plate having a deck upper surface, which deck plate is pivotably connectible with a platform; a lip having a lip upper surface, which lip upper surface, with the deck upper surface, forms at least a part of a transport surface; and a lip hinge...

20060143840 - Bridge that can be dismantled: There is provided a dismountable bridge with lane girders which are designed as framework beams with a triangular cross section, whereby lower chords run through the two lower corners, which are at the same level, and an upper chord runs through the upper corner. A roadway slab which forms the...