Scaffold system
AssigneeGLNX Corporation
InventorBenjamin E. Daniels
Life of this patent
Estimating the term…
Abstract
A scaffold for locating workmen and materials inside a railroad car includes a pair of ladders hanging from the roof of the cars through apertures therein, and a plurality of planks disposed across the gap between the ladders and supported at their ends by the ladders.
Claims16
A scaffolding system for supporting workers or materials within a covered hopper car having multiple portholes through the cover thereof, comprising;
- a suspension member for suspending workers or materials from the cover portion of the covered hopper car, said suspension member being insertable and removable from the interior of the covered hopper car;
- a support member for supporting workers or materials used on the inside of the covered hopper car and suspended in the covered hopper car by said suspension member;
- a stabilizing member for stabilizing said support member within the confines of the covered hopper car;
- said suspension member including a hanging portion suspended from the cover portion having at least one moveable support arm disposed thereon, said support arm having a first position and a second position with respect to said hanging portion, said support arm being disposed in said first position during insertion of said hanging portion inward the hopper car and in said second position for receiving said support member, said support arm having a free end, an opposed support end, and an intermediate connection point, said support arm interconnected to said hanging portion at said connection point, such that in said second position, said support arm is supported on said hanging portion by said support end which is in that position disposed opposite said hanging portion from said free end;
- and
- said suspension member further including a support arm reaction member thereon to interact with said support end to support said support arm in said second position.
A scaffolding system for use in confined spaces having limited access through at least a pair of upper hatches and a lower gate, wherein the scaffold may be supported in the space without resting upon the inner walls or surfaces thereof, comprising;
- first and second ladders having an upper fastening means for detachable attachment to the hatch and a lower carrying means disposed inward the space from the hatch;
- said carrying means including at least one hinged support arm located thereon, said support arm having a hinged end articulatably connected to said carrying means and a second free end which may be moved with relation to said carrying means;
- said arm having a first position whereby it is folded to permit insertion of said ladder into the hatch and a second position whereby said second end is moved to a position away from said ladder;
- and
- a plank disposable across said support arms of said first and second ladders.
Dependencies are inferred from the claim text.