Adjustable Pull-Out Frame Structure

Abstract

An adjustable pull-out frame structure includes two sliding racks installed face-to-face to each other, each sliding rack having a sliding pull rod set placed behind the sliding rack, and two mounts installed on each one of the sliding pull rod sets, each sliding rack having each of its both ends connected to a joining rack respectively, and each joining rack having a retaining rail installed on an upper side thereon, then each joining rack having its one end placed in contact with a retractable rack, each one of the two retractable racks having a hole implemented on an upper side thereof, and the hole being installed with respect to the retaining rail on the joining rack, then a retaining block being inserted through the retaining rail and hooked up in the hole, finally, each joining rack on each side of one sliding rack being connected to each retractable rack through the insertion of a bolt, while each joining rack on the other sliding rack being locked to the sliding rack by a locking element, in this way the two sliding racks, joining racks and retractable racks being connected with each other to form the adjustable pull-out frame structure.

1 . An adjustable pull-out frame structure comprises:
 two sliding racks installed face-to-face to each other, each sliding rack having a sliding pull rod set placed behind said sliding rack, and two mounts installed on each one of said sliding pull rod sets; one of said sliding racks being fixed to a cabinet body by said two mounts;   a first joining rack having a retaining rail installed on an upper side thereon, and a socket formed on a side thereon; said socket of said first joining rack being placed to be in contact with one end of said sliding rack, while the other end of said first joining rack being placed in contact with a retractable rack;   a second joining rack having a retaining rail installed on an upper side thereon, and a socket formed on a side thereon; said socket of said second joining rack being placed to be in contact with one end of said sliding rack, while the other end of said second joining rack being placed in contact with a retractable rack;   two retractable racks, each retractable rack having a hole implemented on an upper side thereof, and each hole being installed with respect to each one of retaining rails on said first and second joining rack respectively, and a guiding hole being installed in the middle of each retractable rack, each retractable rack having two ends connected to said socket of said first joining rack and said socket of said second joining rack respectively;   at least one retaining block having a buckling element extending from the bottom thereof; each retaining block being inserted into said retaining rail of said first joining rack or said retaining rail of said second joining rack respectively and being held inside said hole of said retractable rack;   at least one bolt inserted through said first joining rack and having a front end of said bolt going through said guiding hole of said retractable rack;   at least one locking element locking two sliding racks with said second joining rack;   in this way said two sliding racks, joining racks and retractable racks being connected with each other to form said adjustable pull-out frame structure.   
   
   
       2 . The adjustable pull-out frame structure of  claim 1 , wherein said first joining rack has a plurality of anti-slip strips placed thereon for a user to pull out said frame by means of said plurality of anti-slip strips. 
   
   
       3 . The adjustable pull-out frame structure of  claim 1 , wherein said retaining block controls an extension length of said retractable rack. 
   
   
       4 . The adjustable pull-out frame structure of  claim 1 , wherein said front end of said bolt is formed slightly of an elliptic shape and other flange-like shapes, thereby fitting said bolt closely with said guiding hole of said retractable rack. 
   
   
       5 . The adjustable pull-out frame structure of  claim 1 , wherein said locking element is a screw or other fastening elements. 
   
   
       6 . The adjustable pull-out frame structure of  claim 1 , wherein said frame structure contains a hollow portion in the middle for accommodating bodies of different capabilities to hook up with said frame.