Truss for overhead bridge crane

Details Truss for overhead bridge crane Truss for overhead bridge crane

1996-07-22

1997-12-09

Le, Mark T.

Railways

Traveling track

1051631, 212312, B61D 4900

Patent

active

056948573

ABSTRACT:
An overhead bridge crane truss having a channel connected to a support beam by vertical connectors is improved in strength by adding wide braces at end regions of the truss, without significantly increasing truss weight or cost. The wide braces are rectangular box beams welded around their upper and lower peripheries respectively to the bottom of the support beam and the top of the channel.

REFERENCES:
patent: 1296755 (1919-03-01), Buckley
patent: 1296757 (1919-03-01), Buckley
patent: 1383065 (1921-06-01), Biggert
patent: 1791680 (1931-02-01), Miller
patent: 1873076 (1932-08-01), Ackeren
patent: 3247634 (1966-04-01), Attwood
patent: 5335468 (1994-08-01), Oberman et al.
Excerpt from The Engineers' Illustrated Thesaurus by Herbert Herkimer, Wm. Penn Publishing Corp., New York, NY, 1952 (Chemical Publishing Co., Inc., NY), pp. 94-95.
P. 39 from "Ceiling Mounted Bridge Cranes & Monorails" catalog of assignee showing typical prior art trusses used in overhead cranes, Gorbel, Inc., 1995.

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