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A trunnion (from Old French trognon 'trunk') [1] is a cylindrical protrusion used as a mounting or pivoting point. First associated with cannons, they are an important military development. First associated with cannons, they are an important military development.
The rolling lift trunnion (sometimes a "Scherzer" rolling lift), raises the span by rolling on a track resembling a rocking-chair base. The "Scherzer" rolling lift is a refinement patented in 1893 by American engineer William Donald Scherzer. [3] The rarer Rall type combines rolling lift with longitudinal motion on trunnions when opening. [4]
DIN 9797-compliant bin tippers use a trunnion-lift mechanism, latching onto two trunnions projecting from the sides of the bin. This standard is commonly used in the food-processing industry. Compliant bins are often called euro bins, tote bins, or meat carts.
CORRECTION: Bridges 1, 3, 4, 6E, 6W, 19, and 19A are all Scherzer type rolling lift bridges, as were Bridges 7 and 9. La Salle Causeway lift bridge - Kingston, Ontario; Cherry Street Strauss Trunnion Bascule Bridge, in Toronto; Cherry Street lift bridge over the Keating Channel, in Toronto
The Norfolk Southern Lake Pontchartrain Bridge is a rolling lift trunnion bridge that carries a single-track of Norfolk Southern rail line over Lake Pontchartrain between Slidell and New Orleans, Louisiana, parallel to the Maestri Bridge [2] At 5.8 miles (9.3 km) long, it is the longest railroad bridge in the United States and the longest rail bridge over water in the world.
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From the 16th to the mid-19th century, the main form of artillery remained the smoothbore cannon.By this time, the trunnion (a short axle protruding from either side of the gun barrel) had been developed, with the result that the barrel could be held in two recesses in the carriage and secured with an iron band, the "capsquare".
The soon-to-be first lady and former fashion model Melania Trump is no stranger to turning heads with her fashion choices.