Bridge painting platform
First Claim
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1. A workplace platform system for temporary installation beneath a bridge span, said platform system comprising:
- a plurality of transversely spaced support cables secured to extend longitudinally beneath said span;
a plurality of elongated transversely extending grating planks supported by said support cables, said planks being arranged end-to-end to reach a desired width and side-by-side to reach a desired length;
means for releasably interlocking sidewise adjacent ones of said planks along matched sides thereof; and
means for releasably fastening a selected subset of said plurality of planks to underlying ones of said plurality of support cables;
a tarpaulin overlaying said plurality of planks, and a plurality of boards overlaying said tarpaulin, said plurality of boards being bolted to selected underlying ones of said plurality of planks.
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Accused Products
Abstract
A work platform for temporary installation under a bridge span includes a plurality of longitudinal support cables supporting transversely extending grating planks, with sidewise adjacent planks being interlocked by lock pins. A selected subset of the grating planks are releasably fastened to underlying support cables T-shaped clamping members inserted through slots in the selected grating planks.
33 Citations
1 Claim
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1. A workplace platform system for temporary installation beneath a bridge span, said platform system comprising:
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a plurality of transversely spaced support cables secured to extend longitudinally beneath said span; a plurality of elongated transversely extending grating planks supported by said support cables, said planks being arranged end-to-end to reach a desired width and side-by-side to reach a desired length; means for releasably interlocking sidewise adjacent ones of said planks along matched sides thereof; and means for releasably fastening a selected subset of said plurality of planks to underlying ones of said plurality of support cables; a tarpaulin overlaying said plurality of planks, and a plurality of boards overlaying said tarpaulin, said plurality of boards being bolted to selected underlying ones of said plurality of planks.
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Specification