Pedestal unit, raised floor skeleton structure, method of installing pedestal unit, and method of producing pedestal frame

Abstract

A pedestal unit usable for a raised floor is disclosed which comprises: a pair of beams; and a pair of pedestal frames for supporting the beams at both ends of the beams, respectively. Each pedestal frame comprises: a pair of leg members; a pair of base plates for supporting the leg members; respectively, and a connecting member with a predetermined length for rigidly connecting the legs member each other with a predetermined interval. The pedestal frame may be installed under a middle portion of the beams, which frame may be installed after installation of pedestal frames at ends of beams for easy adjustment. Additional pedestal frames for supporting additional beams may be fixed to the pedestal frames or the beam. A supporting surface of leg member may have a mount provided by casting and be cut for accurate dimensions.

1 . A pedestal unit usable for a raised floor, comprising: 
 a pair of beams; and    a pair of pedestal frames for supporting both ends of the beams, respectively, wherein each pedestal frame comprises:    a pair of leg members;    a pair of base plates for supporting the leg members, respectively; and    a connecting member with a predetermined length for rigidly connecting the leg members each other.    
   
   
       2 . The pedestal unit as claimed in  claim 1 , further comprising an intermediate pedestal frame that is arranged between a pair of the pedestal frames for supporting the beams, wherein the intermediate pedestal frame comprises: 
 a pair of leg members;    a pair of base plates for supporting the leg members of the intermediate pedestal frame, respectively; and    a connecting member for rigidly connecting the leg members of the intermediate pedestal frame each other with a predetermined distance.    
   
   
       3 . The pedestal unit as claimed in  claim 2 , further comprising: 
 an additional beam arranged on at a side of a pair of the beams;    a plurality of additional pedestal frames for supporting the additional beam, wherein each of the additional pedestal frames comprises:    an additional leg member;    an additional base plate for supporting the additional leg member; and    an extending member extending from the additional leg member with a predetermined span to the beam arranged at the side of the additional pedestal frames, the additional leg member being rigidly connected through the extending member at a tip of the extending member to at least one of the pedestal frames and the beam that is arranged at the side of said additional pedestal frame.    
   
   
       4 . The pedestal unit as claimed in  claim 1 , further comprising: 
 an additional beam arranged at a side of a pair of the beams;    a plurality of additional pedestal frames for supporting the additional beam, wherein each of the additional pedestal frames comprises:    an additional leg member;    an additional base plate for supporting the additional leg member; and    an extending member extending from the additional leg member with a predetermined span to the beam arranged at the side of the additional pedestal frames, a tip of the extending member being connected to at least one of the pedestal frames and the beam that is arranged at the side of said additional pedestal frame.    
   
   
       5 . A raised floor skeleton structure for supporting a raised floor, comprising: 
 a plurality of pedestal units each comprising:    a pair of beams; and    a pedestal frame for supporting the beams at one ends of the beams, wherein each pedestal frame comprises:    a pair of leg members;    a pair of base plates for supporting the leg members; respectively, and    a connecting member with a predetermined length for rigidly connecting the legs member to each other,    wherein a plurality of the pedestal units are sequentially connected in a longitudinal direction of the beams,    wherein one ends of the beams of a one of pedestal units confronts the other ends of the beams of another one of pedestal units neighboring the one of the pedestal units, and    wherein the pedestal frame of the one of pedestal unit comprises first regions for supporting the one ends of the beams of the one of the pedestal unit and second regions for supporting the other ends of the beams of the another one of the pedestal unit.    
   
   
       6 . The raised floor skeleton structure as claimed in  claim 5 , wherein at least one of the pedestal units further comprises: an intermediate pedestal frame that is arranged between a pair of the pedestal frames of at least one of the pedestal for supporting the beams, and wherein the intermediate pedestal frame comprises: 
 a pair of leg members;    a pair of base plates for supporting the leg members of the intermediate pedestal frame, respectively; and    a connecting member for rigidly connecting the leg members of the intermediate pedestal frame to each other with a given length.    
   
   
       7 . The raised floor skeleton structure as claimed in  claim 6 , wherein at least one of the pedestal units further comprises: 
 an additional beam arranged at a side of the beams of the at least one of the pedestal units;    a plurality of additional pedestal frames for supporting the additional beam, wherein each additional pedestal frame comprises:    an additional leg member;    an additional base plate for supporting the additional leg member; and    an extending member extending from the additional leg member with a predetermined span to the beam arranged at the side of the additional pedestal frames, the additional leg member being rigidly connected through the extending member at a tip of the extending member to at least one of the pedestal frames and the beam that is arranged at the side of said additional pedestal frame.    
   
   
       8 . The raised floor skeleton structure as claimed in  claim 5 , wherein at least one of the pedestal units further comprises: 
 an additional beam arranged at a side of the beams of the at least one of the pedestal units;    a plurality of additional pedestal frames for supporting the additional beam, wherein each additional pedestal frame comprises:    an additional leg member;    an additional base plate for supporting the additional leg member; and    an extending member extending from the additional leg member with a predetermined span to the beam arranged at the side of the additional pedestal frames, the additional leg member being rigidly connected through the extending member at a tip of the extending member to at least one of the pedestal frames and the beam that is arranged at the side of said additional pedestal frame.    
   
   
       9 . A method of installing on a floor a pedestal unit comprising a pair of beams arranged in parallel and more than two pedestal frames each including leg members and a connecting member in a bridge shape and leveling mechanism provided to each of the leg members, the method comprising the steps of: 
 installing two of the pedestal frames at both ends of the beams, respectively;    controlling the leveling mechanism of the two of the pedestal frames to level the beams; and    after leveling the two of the pedestal frames, installing a remaining part of more than the two pedestal frames.    
   
   
       10 . A method of installing on a floor a pedestal unit comprising a pair of beams and more than two pedestal frames each including leg members and a connecting member and a height control mechanism provided to each of the leg members, the method comprising the steps of: 
 installing the pedestal frames to support at least both ends of the beams;    controlling the height control mechanism of the pedestal frames supporting both ends of the beams to level the beams; after controlling the height control mechanisms of the pedestal frames at both ends of the beams to level the beams, installing a remaining part of more than the two pedestal frames; and    controlling the height control mechanisms of the pedestal frames other than the pedestal frames at both ends.    
   
   
       11 . A method of installing a pedestal unit comprising a pair of beams, two first pedestal frames for supporting both ends of the beams, and at least one of second pedestal frames including supporting surfaces for supporting intermediate portions of the beams and an lower surface, each of the first and second pedestal frames being provided with a height control mechanism, the method comprising the steps of: 
 (a) installing the first pedestal frames on a floor at both ends of the beams and fixing the first pedestal frames at the both ends of the beams to the beams, respectively;    (b) controlling the height control mechanisms of the first pedestal frames to level the beams;    (c) after the step (b), fixing the supporting surfaces of the second pedestal frame to the intermediate portions of the beams, respectively;    (d) after the step (c) , controlling the height control mechanism of the second pedestal frames to make the lower surfaces of the pedestal frames in contact with the floor; and    (e) fixing the lower surfaces to the floor.    
   
   
       12 . A method of producing a pedestal frame that is arranged on a floor and includes supporting surfaces that supports beams for supporting a raised floor, the method comprising the steps of: 
 casting the pedestal frame to include mounds on the supporting surfaces; and    cutting the mounds to provide the supporting surfaces.