Patents in subclass Bridges/End Supports And Locking Devices
Parent class: Bridges
| Number | Patent title | Issue Date |
|---|---|---|
| 07020924 | Static stabilizers for bridges An adjustable static stabilizer used to ameliorate shock loading. The static stabilizer has a housing forming a chamber and an upwardly-open cylindrical carrier moveably mounted in the chamber. A plurality of spring washers are mounted in... |
04/04/2006 |
| 06701562 | Span lock with centering guide A span lock system for a double-leaf drawbridge. A guide housing mounted at the tip of one leaf includes an opening with vertically opposed cushioned shoes slidably supporting an elongate lock bar reciprocative lengthwise in a direction... |
03/09/2004 |
| 06453494 | Movable bridge center lock The center locks of a bascule or other type of double leaf movable bridge are fitted on bearings mounted upon the main bridge girders, so that the center lock bars may be moved, when the bridge is in the lowered position, along a... |
09/24/2002 |