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Class 182/218 - Bow string type


Subclass of Class 182 - Fire escape, ladder, or scaffold
Definition: Device comprising a rod, cable or wire in the form of a
No. of patents: 6
Last issue date: 11/14/2006


NumberTitleIssue Date
7134252Retrofit hurricane and earthquake protection
Retrofit connectors that secure together the outside sheathing and underlying structural members of wood-frame or masonry houses, preventing damage when subjected to lateral stresses from a hurricane, or transverse loads from an earthquake. The connectors have speci...
11/14/2006
4779298Foldable cable-supported ramp
A portable foldable ramp for bridging the space between ground level and a raised level such as the bed of a pickup truck, to permit the passage of the wheels of all-terrain vehicles and like products. The ramp has a pair of generally U-shaped ramp sectio...
10/25/1988
4761847Folding ramp
A portable folding ramp used for ascending or descending an object or platform. The ramp is comprised of a plurality of rectangular panels, respective ones of adjoining panels being pivotably hinged along adjacent sidewalls such that the ramp may be folde...
08/09/1988
4730701Stepladder assembly
A stepladder assembly has step assemblies mounted to its front rails using a bracket at each end of each step. Each bracket has truss anchor pocket means therein. Each truss rod is headed at both ends. The brackets are pre-assembled with a truss rod to a ...
03/15/1988
4317504Telescopic aerial ladder
The invention relates to a telescopic aerial ladder, especially intended to be mounted on a transportation vehicle. Said ladder comprises a number of ladder members superposed on each other, each member consisting of two trapezoidal lateral wings connecte...
03/02/1982
4021875Pivotable and extensible tension post for a cable bridge structure
This invention relates to bridge sections and is particularly concerned w bridge sections of the type which incorporates tensioned cables to reinforce the structure of the bridge sections. The cables are tensioned to provide a bowstring truss section in ...
05/10/1977
 
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