Patent Publication Number: US-2006016017-A1

Title: Elastic bed

Description:
FIELD OF THE INVENTION  
      The present invention relates to elastic beds, and particular to an elastic bed having a plurality of support springs; wherein each support spring is formed by a steel strip which is firstly circularly arranged along an orientation to a bottom of the framework and then circularly arranged along an opposite orientation to an upper side of the framework.  
     BACKGROUND OF THE INVENTION  
      The prior art elastic bed can be classified into two classes.  
      In one class, a framework formed by steel strips with larger diameters is used. A plurality of auxiliary frames are installed to the framework. A plurality of support springs are arranged between the plurality of auxiliary frames. The support spring is made of steel strip with a diameter smaller than that of the framework. This kind of elastic bed has advantages of low cost. However, the support springs are overlapped with one another so that the interconnection and interactions of the support springs will make one lying upon the elastic bed feel uneasy.  
      In another kind of elastic bed, a plurality of independent cylindrical support springs are installed with a framework. The support springs are made of rigid material and enclosed within cotton covers so as to form as independent cylinders. Since the support springs are arranged independently so that the action in one portion of the elastic bed will not affect another portion of the bed. Thereby, it provides a preferred quality to the sleeper. However, this kind of elastic beds is expensive and thus it is not accepted by most users.  
     SUMMARY OF THE INVENTION  
      Accordingly, the primary object of the present invention is to provide an elastic bed, wherein the elastic bed comprises an elastic bed body having a framework; and a plurality of support springs; wherein each support spring is formed by a steel strip which is firstly circularly arranged along an orientation to a bottom of the framework and then circularly arranged along an opposite orientation to an upper side of the framework; then the process is repeated to a predetermined length. Thereby, it can make the user feel comfortable and is cheap.  
      Another object of the present invention is to provide an elastic bed, wherein a plurality of enhancing supports are connected between the upper frame and the lower frame so as to prevent the bed to deform due to a great pressure applied thereon.  
      A further object of the present invention is to provide an elastic bed, wherein each support spring is spaced to another spring with a length greater than a predetermined one so that no support spring is overlapped to another one. Thereby, no noise is generated.  
      The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing.  
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       FIG. 1  is a schematic view of the present invention.  
       FIG. 2  is a partial schematic view of the support spring of the present invention.  
       FIG. 3-1  is a schematic perspective view of the present invention.  
       FIG. 3-2  is a schematic view of the enhancing support in  FIG. 3-1 .  
       FIG. 4-1  is another schematic perspective view of the present invention.  
       FIG. 4-2  is a schematic view of the enhancing support of the present invention. 
    
    
     DETAILED DESCRIPTION OF THE INVENTION  
      In order that those skilled in the art can further understand the present invention, a description will be described in the following in details. However, these descriptions and the appended drawings are only used to cause those skilled in the art to understand the objects, features, and characteristics of the present invention, but not to be used to confine the scope and spirit of the present invention defined in the appended claims.  
      The elastic bed of the present invention is illustrated with reference to  FIG. 1 . The elastic bed had the following elements.  
      An elastic bed body  1  has a framework  10  having an upper frame and a lower frame (in the drawing, a rectangular elastic bed is used as an example, but the present invention is not confined by this example) and a plurality of support springs  20 .  
      The framework  10  is used to support an object placed upon the elastic bed. The framework  10  is formed by rigid steel bodies. The plurality of support springs  20  serves to support the framework  10 .  
      With reference to  FIG. 2 , it is illustrated that a support spring  20  is formed by a steel strip which is firstly circularly arranged along an orientation to a bottom of the framework  10  and then circularly arranged along an opposite orientation to an upper side of the framework  10 . Then the process is repeated to a predetermined length.  
      Each support spring  20  is spaced to another spring  20  with a length greater than a predetermined one so that no support spring  20  is overlapped to another one. Thereby, when a pressure is applied upon the elastic bed body  1 . No noise is generated.  
      Referring to  FIG. 2 , at a portion of the support spring  20  which changes the orientation of the support spring  20  has a bending portion  22 . In this example, the bending portion  22  has an arc shape, however, other shape of the bending portion  22  is allowable. The installation of the bending portion  22  provides an enhancing support to the elastic bed and serves to save the material of the support spring  20 .  
      Referring to  FIG. 2 , an auxiliary spring  23  is used to tie upper portions of two support spring portions of a support spring  20 , where the two support spring portions have different orientations. The auxiliary spring  23  serves to fix the support spring  20  so as to prevent the relative movement of the different portions of the support spring  20 .  
      A plurality of positioning elements  30  serve to fix the support springs  20  to the framework  10 .  
      Referring to  FIG. 3-1 , a plurality of enhancing supports  40  are connected between the upper and lower frames of the framework  10 . Each enhancing support  40  has an S shape. Each enhancing support  40  has an upper and a lower horizontal ends  41  so that the horizontal ends  41  can be inserted into the positioning elements  30 . An arc portion  42  of the enhancing support  40  is at a succeeding section of a respective horizontal end  41  so as to provide a buffer space to the elastic bed. A tilt section  51  is between two arc portions  52  of an enhancing support  40 . The orientation of the tilt section  51  is 45 degrees to the respect positioning element  30 . A positioning element  30  is used for a respective enhancing support  40  and a respective support spring  20  so as to reduce cost and simplify the assembly process.  
      With reference to  FIGS. 4-1  and  4 - 2 , another embodiment of the enhancing support  50  of the present invention is illustrated. In this embodiment, the enhancing support  50  has the upper and lower horizontal ends  51 . Each horizontal end  51  is adjacent to an arc portion  52  of the enhancing support  50  so as to provide a buffer space to the elastic bed. Each arc portion  52  is adjacent to a respective tilt section  51  of the enhancing support  50 . Between two tilt sections  51  of an enhancing support  40  has a ring portion  54  for connecting the two tilt sections  51  so as to reduce the deformation of the elastic bed body  1  as a press is applied upon the elastic bed body  1 .  
      The present invention is thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the present invention, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.