Elastic cushion, side enclosure, elastic cushion layer and furniture

Abstract

An elastic pad for furniture can be customized and assembled by a user. The elastic pad includes an outer cover, an elastic module layer and at least one elastic pad layer. A side enclosure of the outer cover is detachably connected with a top cover body, and the side enclosure is detachably connected with the bottom cover body. The elastic pad is configured to allow a user to select a desired type and/or a desired number of elastic module layers and elastic pad layers, and to further select the side enclosure based on a thickness of the elastic module layer and elastic pad layer, and assemble the top cover body, the bottom cover body, the selected side enclosure, and the selected elastic module layers and elastic pad layers together to obtain the elastic pad.

1 - 30 . (canceled) 
     
     
         31 . An elastic pad comprising:
 an outer cover defining an enclosed receiving space, the outer cover comprising a top cover body, a bottom cover body and a side enclosure connected between the bottom cover body and the top cover body, the side enclosure detachably connected to the top cover body, the side enclosure detachably connected to the bottom cover body;   an elastic module layer in the receiving space, the elastic module layer including a spring in a compressed state;   an elastic pad layer also disposed in the receiving space and stacked above the elastic module layer,   the elastic pad layer configured to allow:   selection of a desired type and/or a desired number of elastic module layers and elastic pad layers; and   selection of the side enclosure based on a total thickness of the selection of one or more of the elastic module layer and the elastic pad layer.   
     
     
         32 . The elastic pad of  claim 31  wherein the elastic pad layer comprises an elastic buffer layer including a fabric cover structure and a first-layer structure, a second-layer structure and a third-layer structure in the fabric cover structure, the third-layer structure having a hardness higher than the second-layer structure, the second-layer structure having a hardness higher than the first-layer structure. 
     
     
         33 . The elastic pad of  claim 32  wherein in the elastic buffer layer structure:
 (i) the first-layer structure is closest to a top surface of the elastic pad and the third-layer structure is closest to a bottom surface of the elastic pad; or 
 (ii) the second-layer structure is closest to the top surface of the elastic pad, and the third-layer structure is closest to a bottom surface of the elastic pad; or 
 (iii) the third-layer structure is closest to a top surface of the elastic pad, and the first-layer structure is closest to a bottom surface of the elastic pad; or 
 (iv) the first-layer structure is closest to a top surface of the elastic pad and the second-layer structure is closest to a bottom surface of the elastic pad; or 
 (v) the second-layer structure is closest to a top surface of the elastic pad, and the first-layer structure is closest to a bottom surface of the elastic pad; or 
 (vi) the third-layer structure is closest to a top surface of the elastic pad and the second-layer structure is closest to a bottom surface of the elastic pad. 
 
     
     
         34 . The elastic pad of  claim 31  wherein the elastic module layer comprises a plurality of elastic modules arranged in an array, each elastic module including a spring. 
     
     
         35 . The elastic pad of  claim 34  wherein each elastic module comprises a conical spring and a spring support holding the conical spring, the elastic module layer further comprises an elastic module layer bottom layer and a plurality of rail beams on the elastic module layer bottom layer, and the plurality of elastic modules are configured for mounting and sliding on the rail beams. 
     
     
         36 . The elastic pad of  claim 35  wherein the elastic module layer bottom layer is integral with the bottom cover body. 
     
     
         37 . The elastic pad of  claim 35  wherein each rail beam is configured to engage sliding modules on left and right sides thereof, respectively, to allow elastic modules on both sides of the rail beam to slide along slide rails of the rail beam independently of each other. 
     
     
         38 . The elastic pad of  claim 37  wherein each rail beam comprises:
 a vertical support wall connected to a middle portion of a top engaging portion; 
 the top engaging portion forming two downward-opening top-side receiving portions at the top of the rail beam; 
 the vertical support wall connected to a middle portion of a bottom engaging portion a bottom engaging portion forming two upward-opening bottom-side receiving portions at the bottom of the rail beam; 
 wherein left and right sides of the spring support of each elastic module have a mating protrusion configured to mate with the top-side receiving portions and bottom-side receiving portions of the rail beam, and the mating protrusions protrude upward from a front surface on both sides of the bottom of the spring support and protrude upward from a bottom surface on both sides of the bottom of the spring support. 
 
     
     
         39 . The elastic pad of  claim 35  wherein each rail beam comprises:
 a base on the bottom cover body; 
 a pair of connecting walls extending upward from left and right sides of the base; 
 a pair of end walls extending from top ends of the pair of connecting walls, with a space between the pair of end walls; 
 the base, the pair of connecting walls, and the pair of end walls jointly providing a pair of receiving portions opening towards each other; and 
 left and right sides of the spring support of each elastic module having a downwardly extending connecting leg, a bottom end of the connecting leg including mating projections extending away from each other, the mating projections configured to engage the pair of receiving portions of each of the rail beams. 
 
     
     
         40 . The elastic pad of  claim 39  wherein a partition wall is provided between the two connecting walls of the base, and the partition wall has a height less than the connecting walls. 
     
     
         41 . The elastic pad of  claim 40  wherein the connecting walls on left and right sides of the base are intermittent and staggered from each other. 
     
     
         42 . The elastic pad of  claim 40  wherein the bottom cover body includes a plurality of spaced apart sets of detachable rail beam mounting members. 
     
     
         43 . The elastic pad of  claim 42  wherein each rail beam mounting member comprises a mounting member projection projecting in a direction perpendicular to a longitudinal axis of the rail beam and parallel to the bottom cover body, a mounting receiving portion corresponding to the mounting member projection at a bottom of the rail beam, the mounting member projection configured to mate with the mounting receiving portion of the rail beam so that the rail beam can slide relative to the rail beam mounting member. 
     
     
         44 . The elastic pad of  claim 37 , wherein each of the rail beams comprises a plurality of rail beam segments, a forwardly-extending projection at a front end of each rail beam segment, a groove recessed inward toward the rail beam segment at a rear end of each rail beam segment, the projection and groove of adjacent rail beam segments configured to mate with each other to connect adjacent rail beam segments together. 
     
     
         45 . The elastic pad of  claim 36 , wherein each elastic module has a truncated cone shape, the elastic pad layer further comprises an elastic balancing web layer having a plurality of openings sized to coincide with an outer diameter of the elastic modules at a predetermined height, so that the elastic balancing web layer can sleeve the plurality of elastic modules in the openings. 
     
     
         46 . The elastic pad of  claim 45  wherein the openings coincide with an outer diameter at the top of the elastic modules. 
     
     
         47 . The elastic pad of  claim 31  wherein the elastic pad is configured to allow use of at least two elastic pad layers and stack the at least two elastic pad layers in different orders to provide different degrees of softness and hardness. 
     
     
         48 . The elastic pad of  claim 32  wherein the top cover body, the bottom cover body, the side enclosure and the elastic pad layer are configured to be rolled up. 
     
     
         49 . The elastic pad of  claim 38  wherein each elastic module has a truncated cone structure with an open lower end and a hollow interior, and the elastic modules are configured for removal from the rail beams and nested. 
     
     
         50 . An elastic pad, comprising:
 an outer cover configured to define an enclosed receiving space, the outer cover comprising a top cover body detachably connected to a bottom cover body;   elastic pad layers disposed in the receiving space independently of each other;   the elastic pad configured to allow:   selecting a desired type and/or a desired number of elastic module layers and elastic pad layers; and   assembling the top cover body, the bottom cover body and the selected elastic module layers and elastic pad layers together to form the elastic pad.   
     
     
         51 . The elastic pad of  claim 50  wherein the top cover body comprises a skirt portion extending peripherally towards the bottom cover body; and/or
 the bottom cover body comprises a skirt portion extending peripherally towards the top cover body; or 
 the elastic pad has no side enclosure, and the top cover body and the bottom cover body are directly joined together.