Scherzer Rolling Lift Bridges

One of the few surviving examples is the broadway bridge 1913 in portland oregon.

Scherzer rolling lift bridges.

The scherzer rolling lift bridge compan is pi handle all work related to the design and construction of movable bridges. The scherzer rolling lift bridge. To limit the spread of the coronavirus attractions may be closed or have partial closures. Well organized departments each under the supervision of officers of our executive staff arc mam tamed for urv ev s.

The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer. Scherzer rolling lift bridges. Operating rolling lift bridge with the optional motor kit sold separately. Available in single and double track versions.

Can be made operable by ai b. Scratch build a scherzer rolling lift bridge. The bridge was 115ft long and carried street traffic. The friction is lowered because it is rolling friction.

Armitage the two pinions that ride the racks at each side of the bridge must turn together. It has a bridge end and a weight ends and a roller between them when the bridge is opened to let boats through. Yet they are at too low a level to be connected by a direct shaft there would be no clearance for trains. Rolling lift bridge mechanism.

It was patented 1901 by theodor rall. More information can be found here. Estimates designs supervision and con struction. Please consult government travel advisories before booking.

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. The bridge has a counterweight and raises with a rolling lift motion that moves the bridge up and out of the. Is a rolling lift bridge designed by william scherzer this type of bridge is like a drawbridge. Membership required we re sorry.

Scherzer was the inventor of a refinement of the bascule bridge called the scherzer rolling lift bridge. You must be signed in to continue. Scherzer rolling lift bridges. The rarer rall type combines rolling lift with longitudinal motion on trunnions when opening.

His design pivots the bridge like a rocking horse. Scherzer rolling lift span of girder construction fits model railroad situations with no compromising. The first scherzer rolling lift bridge was built in 1895 to span the chicago river at van buren street.