Adjustable fence

Abstract

An adjustable fence comprises two opposite posts, a slat assembly, and two buffering elements. The slat assembly has multiple detachable slats detachably mounted between the posts. The buffering elements are respectively mounted in the mounting slots of the posts, and each of the buffering elements is disposed between the post body of each of the posts and the slat assembly. Increasing or decreasing the detachable slats of the slat assembly adjusts the height of the adjustable fence for different applications. The pushing force resulting from the thermal expansion or/and contraction of the slat assembly or/and the post body is absorbed by the buffering element, so that the bottom bracket of the slat assembly and the post body do not push each other to be deformed.

What is claimed is: 
     
         1 . An adjustable fence comprising:
 two posts separated from each other at an interval, each of the posts having:
 a post body having:
 a top end; and 
 a bottom end; and 
 
 a mounting slot formed transversely in and extending longitudinally along the post body, and the mounting slot having:
 a top opening connected with the top end; and 
 a bottom opening connected with the bottom end; 
 
   a slat assembly slidably and detachably mounted between the posts and having multiple detachable slats slidably and detachably mounted in the mounting slots of the posts, and each of the detachable slats having two opposite ends respectively detachably connected with the mounting slots of the posts; and   two buffering elements respectively disposed in the mounting slots of the posts, and each of the buffering elements disposed between the post body of each of the posts and the slat assembly.   
     
     
         2 . The adjustable fence as claimed in  claim 1 , wherein:
 each of the detachable slats has:
 a top edge connected with the opposite ends; 
 a bottom edge with the opposite ends; 
 a top positioning element formed on the top edge; and 
 a bottom positioning element formed on the bottom edge and engaged selectively with the top positioning element of an adjacent detachable slat; 
   the slat assembly further has:
 a bottom bracket mounted detachably and slidably in the mounting slot of the posts, located under the detachable slats, and having:
 a top edge; 
 a top positioning member formed on the top edge of the bottom bracket and selectively engaged with the bottom positioning element of an adjacent detachable slat; and 
 two opposite terminals connected with the top edge of the bottom bracket, and the terminals detachably connected with the mounting slots of the posts respectively; and 
 
   each of the buffering elements disposed between the post body of each of the posts and each of the terminals of the bottom bracket.   
     
     
         3 . The adjustable fence as claimed in  claim 2 , wherein the buffering elements are respectively embedded in the terminals of the bottom bracket. 
     
     
         4 . The adjustable fence as claimed in  claim 2 , wherein:
 each of the detachable slats has two beveled notches formed oppositely on the bottom edge; and   the bottom bracket has two alignment protrusions formed oppositely on the top edge of the bottom bracket and selectively and respectively engaged with the beveled notches of the adjacent detachable slat.   
     
     
         5 . The adjustable fence as claimed in  claim 3 , wherein:
 each of the detachable slats has two beveled notches formed oppositely on the bottom edge; and   the bottom bracket has two alignment protrusions formed oppositely on the top edge of the bottom bracket and selectively and respectively engaged with the beveled notches of the adjacent detachable slat.   
     
     
         6 . The adjustable fence as claimed in  claim 2 , wherein the slat assembly further has a top bracket mounted detachably and slidably in the mounting slot of the posts, located above the detachable slats, and having:
 a bottom edge; and   a bottom positioning member formed on the bottom edge of the top bracket and selectively engaged with the top positioning element of an adjacent detachable slat.   
     
     
         7 . The adjustable fence as claimed in  claim 5 , wherein the slat assembly further has a top bracket mounted detachably and slidably in the mounting slot of the posts, located above the detachable slats, and having:
 a bottom edge; and   a bottom positioning member formed on the bottom edge of the top bracket and selectively engaged with the top positioning element of an adjacent detachable slat.   
     
     
         8 . The adjustable fence as claimed in  claim 1 , wherein one of the posts has an expanding slot formed transversely in and extending longitudinally along the post body, and the expanding slot having:
 a top opening connected with the top end; and   a bottom opening connected with the bottom end.   
     
     
         9 . The adjustable fence as claimed in  claim 7 , wherein one of the posts has an expanding slot formed transversely in and extending longitudinally along the post body, and the expanding slot having:
 a top opening connected with the top end; and   a bottom opening connected with the bottom end.   
     
     
         10 . The adjustable fence as claimed in  claim 8 , wherein:
 the post body of the post having the expanding slot further has:
 an inside surface connected with and extending between the top end and the bottom end, and defining two opposite mounting grooves respectively distributed longitudinally along the post body; 
   the expanding slot is defined by the inside surface and is disposed between the mounting grooves; and   the post having the expanding slot further has:
 a side strip selectively closing the expanding slot and having:
 a strip body selectively closing the expanding slot; and 
 two opposite mounting tabs mounted on the strip body and respectively engaged with the mounting grooves. 
 
   
     
     
         11 . The adjustable fence as claimed in  claim 9 , wherein:
 the post body of the post having the expanding slot further has:
 an inside surface connected with and extending between the top end and the bottom end, and defining two opposite mounting grooves respectively distributed longitudinally along the post body; 
   the expanding slot is defined by the inside surface and is disposed between the mounting grooves; and   the post having the expanding slot further has:
 a side strip selectively closing the expanding slot and having:
 a strip body selectively closing the expanding slot; and 
 two opposite mounting tabs mounted on the strip body and respectively engaged with the mounting grooves. 
 
   
     
     
         12 . The adjustable fence as claimed in  claim 1 , wherein:
 the post body of each of the posts further has:
 an inner surface connected with and extending between the top end and the bottom end, and defining two opposite mounting slits respectively distributed longitudinally along the post body; 
   the mounting slot is defined by the inner surface and is disposed between the mounting slits;   the adjustable fence further has two limits mounted detachably in the mounting slots of the posts respectively; and   each of the limits presses against the slat assembly and has:
 a mounting plate mounted slidably in the opposite mounting slits of the post; 
 a threaded hole formed through the mounting plate; 
 a pressing plate formed on and protruding from the mounting plate, and pressing against the slat assembly; 
 a first fastener mounted through the threaded hole and pressing tightly against the inner surface; and 
 a second fastener mounted through the pressing plate and the slat assembly. 
   
     
     
         13 . The adjustable fence as claimed in  claim 11 , wherein:
 the post body of each of the posts further has:
 an inner surface connected with and extending between the top end and the bottom end, and defining two opposite mounting slits respectively distributed longitudinally along the post body; 
   the mounting slot is defined by the inner surface and is disposed between the mounting slits;   the adjustable fence further has two limits mounted detachably in the mounting slots of the posts respectively; and   each of the limits presses against the slat assembly and has:
 a mounting plate mounted slidably in the opposite mounting slits of the post; 
 a threaded hole formed through the mounting plate; 
 a pressing plate formed on and protruding from the mounting plate, and pressing against the slat assembly; 
 a first fastener mounted through the threaded hole and pressing tightly against the inner surface; and 
 a second fastener mounted through the pressing plate and the slat assembly. 
   
     
     
         14 . The adjustable fence as claimed in  claim 1 , wherein each of the posts has a foot mounted on the bottom end of the post body and having:
 a connecting element connected to the bottom end of the post body; and   a mounting element formed on the connecting element.   
     
     
         15 . The adjustable fence as claimed in  claim 13 , wherein each of the posts has a foot mounted on the bottom end of the post body and having:
 a connecting element connected to the bottom end of the post body; and   a mounting element formed on the connecting element.   
     
     
         16 . The adjustable fence as claimed in  claim 15 , wherein the mounting element is a flat mounting tab formed on and protruding radially out from the connecting element. 
     
     
         17 . The adjustable fence as claimed in  claim 15 , wherein the mounting element is a mounting awl formed on and protruding downward from the connecting element. 
     
     
         18 . The adjustable fence as claimed in  claim 15 , wherein the mounting element comprises multiple mounting holes formed through the connecting element. 
     
     
         19 . The adjustable fence as claimed in  claim 1 , wherein each post further has a cap mounted detachably on the top end of the post body and selectively closing the top opening of the mounting slot. 
     
     
         20 . The adjustable fence as claimed in  claim 15 , wherein each post further has a cap mounted detachably on the top end of the post body and selectively closing the top opening of the mounting slot.