Portable, modular stairway system and device

Abstract

A portable, modular stairway system and device, wherein lightweight yet sturdy components provide a structurally sound modular stairway and landing structure, wherein interlocking components facilitate ease of assembly, and wherein disassembled components define a limited dimension and weight, thereby facilitating easy packaging, transport, and/or shipping.

1 . A trampoline stairway device comprising, 
 a plurality of risers; and    a plurality of treads, wherein said risers are adapted to securely receive said treads, thereby defining said stairway device structure.    
   
   
       2 . The trampoline stairway device of  claim 1 , further comprising netting, said netting removably carried by said plurality of risers.  
   
   
       3 . The trampoline stairway device of  claim 1 , further comprising handrails.  
   
   
       4 . The trampoline stairway device of  claim 4 , wherein said risers are adapted to securely receive said handrails, and wherein said handrails are adapted to securely mounted in said risers.  
   
   
       5 . The trampoline stairway device of  claim 3 , wherein said plurality of risers is four risers, comprising two landing risers and two step risers, and wherein each said handrail is carried by one said step riser.  
   
   
       6 . The trampoline stairway device of  claim 1 , wherein each said tread of said plurality of tread carries a plurality of male interlock members and each said riser of said plurality of said risers carries a plurality of coordinating female interlock receptacles for receiving said male interlock members therein.  
   
   
       7 . The trampoline stairway device of  claim 5 , wherein each said step riser is an integrally formed railed riser adapted to define a front entry edge for said trampoline stairway device, a handrail for said trampoline stairway device, a plurality of step riser edges for receiving and supporting treads, a base support edge, and a landing mate edge for securing each said step riser to each said landing riser.  
   
   
       8 . The trampoline stairway device of  claim 7 , wherein said base support edge further comprises a receiving port for receiving a tread.  
   
   
       9 . The trampoline stairway device of  claim 7 , wherein said landing mate edge further comprises at least one oversized tab structure, and wherein each said landing riser comprises at least one oversized tab receiving port, for interlocking with said at least one oversized tab structure.  
   
   
       10 . The trampoline stairway device of  claim 9 , each said landing riser is further adapted to define a base edge adapted with a tread receiving port.  
   
   
       11 . The trampoline stairway device of  claim 5 , wherein said plurality of treads is eight treads, three said treads upwardly carried by and between two said landing risers defining a landing, three said treads upwardly carried by and between said step risers defining three steps, and two said treads downwardly carried by and between two said landing risers and by and between two said step risers defining two base cross-support beams.  
   
   
       12 . The trampoline stairway device of  claim 7 , wherein each said landing riser further comprises a plurality of strap receiving ports proximate the top edge thereof, and wherein each said railed riser further comprises a plurality of strap receiving ports defined proximate the upper rear edge thereof, wherein a pair of webbed safety nets are removably secured thereto.  
   
   
       13 . The trampoline stairway device of  claim 1 , wherein said plurality of risers and said plurality of treads are dimensioned to define a gross weight of less than seventy pounds and to define a maximum dimensional size of 130 inches.  
   
   
       14 . A portable, modular stairway system, comprising: 
 a pair of railed risers;    a pair of landing risers; and    a plurality of treads,    wherein each said railed riser, landing riser and tread is blow molded, high density polyethylene (HDPE) with ultraviolet (UV) stabilizer additive, and wherein a first railed riser interlockingly couples to a first landing riser, a second railed riser interlockingly couples to a second landing riser, and said plurality of treads extend therebetween, interlocking therewith.    
   
   
       15 . The portable, modular stairway system of  claim 14 , wherein each said railed riser comprises an integrally formed, generally triangular-shaped base and a rhombus-shaped rail structure.  
   
   
       16 . The portable, modular stairway system of  claim 15 , further comprising a pair of safety rails, each said safety rail extends from one said railed riser, across said landing, and to the structure to which access is desired.  
   
   
       17 . The portable, modular stairway system of  claim 16 , wherein each said safety rail is a webbed net.  
   
   
       18 . The portable, modular stairway system of  claim 17 , wherein each said webbed net is secured via a plurality of straps.  
   
   
       19 . A method of assembling a stairway and landing device, comprising the steps of: 
 a) obtaining a pair of railed risers, a pair of landing risers, and eight stair treads;    b) interlocking a first railed riser with a first landing riser;    c) interlocking a second railed riser with a second landing riser;    d) interlocking a first end of a first stair tread with a base edge of a first railed riser;    e) interlocking a second end of said first stair tread with a base edge of a second railed riser, thereby cross-linking said railed risers;    f) interlocking a first end of a second stair tread with a base edge of a first landing riser;    g) interlocking a second end of said second stair tread with a base edge of a second landing riser, thereby cross-linking said landing risers;    h) extending each interlocked riser in a generally vertical orientation relative to the ground, with said first and second interlocked stair treads positioned proximate the ground surface;    i) interlocking a first end of a third stair tread within a first step aperture defined in said first railed riser;    j) interlocking a second end of said third stair tread within a first step aperture defined in said second railed riser, thereby defining a first step of said stairway device;    k) repeating steps i and j with a fourth stair and a fifth stair, until three steps are defined for said stairway device;    l) interlocking a first end of a sixth stair tread with an upper edge of said first landing riser;    m) interlocking a second end of said sixth stair with an upper edge of said second landing riser, thereby defining a first section of said landing for said stairway device; and    n) repeating steps l and m with a seventh stair and an eighth stair, until said landing is defined by three steps.    
   
   
       20 . The method of assembling a portable stairway and landing device of  claim 19 , further comprising the steps of: 
 o) obtaining a pair of flexible safety rails, wherein said safety rails are constructed of materials selected from a group comprising netting, rope, elastic, and plastic; and    p) installing said safety rails between said railed riser and the structure to be accessed via said stairway and landing device.    
   
   
       21 . The method of assembling a portable stairway and landing device of  claim 20 , wherein said safety rails are secured to a structure selected from a group comprising trampoline, above-ground swimming pool, hot-tub, mobile home, RV, trailer, elevated storage container, and motor home.  
   
   
       22 . The portable, modular stairway system of  claim 14 , further comprising at least one gate, each said at least one gate adapted to prevent access to said portable, modular stairway system.  
   
   
       23 . The portable, modular stairway system of  claim 14 , wherein each said railed riser further comprises a plurality of apertures adapted to receive a rope therethrough.  
   
   
       24 . The portable, modular stairway system of  claim 17 , wherein each said landing riser further comprises an elongated aperture proximate the top edge, wherein said elongated aperture is dimensioned to receive and secure an attachment member carried by said webbed net therewithin and about.  
   
   
       25 . The portable, modular stairway system of  claim 14 , wherein each said riser further comprises a tunnel defined therethrough, each said tunnel adapted to receive and seat an elongated bolt therethrough.  
   
   
       26 . The portable, modular stairway system of  claim 14 , further comprising a plurality of nuts and bolts, and wherein at least one interlocking arrangement is bolstered via installation of a nut and bolt.  
   
   
       27 . The portable, modular stairway system of  claim 14 , wherein said pair of railed risers and said pair of landing risers comprise a honeycomb structural configuration.