Scherzer Rolling Lift Bridges

The rarer rall type combines rolling lift with longitudinal motion on trunnions when opening.

Scherzer rolling lift bridges.

Can be made operable by ai b. Rolling lift bridge mechanism. One of the few surviving examples is the broadway bridge 1913 in portland oregon. Please consult government travel advisories before booking.

Membership required we re sorry. Operating rolling lift bridge with the optional motor kit sold separately. The bridge has a counterweight and raises with a rolling lift motion that moves the bridge up and out of the. Scherzer rolling lift bridges.

The friction is lowered because it is rolling friction. His design pivots the bridge like a rocking horse. The scherzer rolling lift bridge compan is pi handle all work related to the design and construction of movable bridges. His last engineering work before he died done in 1893 was the design of two of these rolling lift bridges in chicago.

The bridge was 115ft long and carried street traffic. Scherzer rolling lift bridges. Estimates designs supervision and con struction. To limit the spread of the coronavirus attractions may be closed or have partial closures.

You must be signed in to continue. Our model is based on a bridge built in the early 1900 s and was designed by the scherzer rolling lift bridge co. Well organized departments each under the supervision of officers of our executive staff arc mam tamed for urv ev s. Is a rolling lift bridge designed by william scherzer this type of bridge is like a drawbridge.

Yet they are at too low a level to be connected by a direct shaft there would be no clearance for trains. The scherzer rolling lift bridge. It was patented 1901 by theodor rall. Unlike a drawbridge it roles up and out of the way.

The first scherzer rolling lift bridge was built in 1895 to span the chicago river at van buren street. Scherzer was the inventor of a refinement of the bascule bridge called the scherzer rolling lift bridge. The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer. Scratch build a scherzer rolling lift bridge.

The bridge span can be rotated upwards to almost 90 degrees which allows just about any type of traffic to pass under it without ever harming the bridge. More information can be found here. Armitage the two pinions that ride the racks at each side of the bridge must turn together.