Slide rail device

Abstract

A slide rail device includes a first slide rail that has a stop block, and a second slide rail moveably disposed on the first slide rail. A reinforcement member is disposed on the second slide rail. The reinforcement member has a reinforcement body part that extends along the second slide rail, and an engagement part that protrudes from the reinforcement body part and that is engageable with the stop block.

What is claimed is: 
     
         1 . A slide rail device comprising:
 a first slide rail unit including a first slide rail that has a stop block; and   a second slide rail unit including
 a second slide rail that is moveably disposed on said first slide rail, and 
 a reinforcement member that is disposed on said second slide rail and that has
 at least one reinforcement body part extending along said second slide rail, and 
 an engagement part protruding from said at least one reinforcement body part and engageable with said stop block. 
 
   
     
     
         2 . The slide rail device as claimed in  claim 1 , wherein:
 said second slide rail is movable relative to said first slide rail between an initial position and an extended position;   when said second slide rail is in the initial position, said at least one reinforcement body part completely overlaps said first slide rail, and said engagement part is spaced apart from said stop block; and   when said second slide rail is in the extended position, a portion of said at least one reinforcement body part does not overlap and extends out from said first slide rail, and said engagement part is engaged with said stop block.   
     
     
         3 . The slide rail device as claimed in  claim 2 , wherein:
 said first slide rail includes
 a rail plate that is elongated in a longitudinal direction, and that has a first end and a second end opposite to each other in the longitudinal direction, and 
 two side walls that are disposed between said first end and said second end of said rail plate, and that respectively and transversely extend from a top side and a bottom side of said rail plate; 
   said first slide rail unit further includes
 two ball strips that are respectively and moveably disposed on said side walls, and 
 two blocking members that are respectively fixed to said side walls and that are adjacent to said first end of said rail plate; 
   said second slide rail unit further includes
 two abutment members that are respectively and co-movably disposed on a top side and a bottom side of said second slide rail; 
   said second slide rail is movable along an axis extending in the longitudinal direction between the initial position and the extended position;   when said second slide rail is moved toward the extended position, said abutment members respectively drive movement of said ball strips toward said first end; and   when said second slide rail is in the extended position, said ball strips respectively abut against said blocking members.   
     
     
         4 . The slide rail device as claimed in  claim 3 , wherein:
 said rail plate further has a sliding surface that extends from said first end to said second end, and that faces said second slide rail;   said stop block is formed on said sliding surface;   said second slide rail has a first surface that faces said sliding surface; and   said reinforcement member is disposed on said first surface.   
     
     
         5 . The slide rail device as claimed in  claim 1 , wherein:
 said at least one reinforcement body part includes a plurality of reinforcement body parts that are spaced apart from each other and that are arranged along said second slide rail; and   said engagement part protrudes from one of said reinforcement body parts.   
     
     
         6 . A slide rail device comprising:
 a first slide rail unit including a first slide rail that has a stop block;   a second slide rail unit including
 a second slide rail that is moveably disposed on said first slide rail, and 
 a reinforcement member that is disposed on said second slide rail and that has
 at least one reinforcement body part extending along said second slide rail, and 
 an engagement part protruding from said at least one reinforcement body part and engageable with said stop block; and 
 
   a third slide rail movably disposed on said second slide rail.   
     
     
         7 . The slide rail device as claimed in  claim 6 , wherein:
 said second slide rail is movable relative to said first slide rail between an initial position and an extended position;   when said second slide rail is in the initial position, said at least one reinforcement body part completely overlaps said first slide rail, and said engagement part is spaced apart from said stop block; and   when said second slide rail is in the extended position, a portion of said at least one reinforcement body part does not overlap and extends out from said first slide rail, and said engagement part is engaged with said stop block.   
     
     
         8 . The slide rail device as claimed in  claim 7 , wherein:
 said first slide rail includes
 a rail plate that is elongated in a longitudinal direction, and that has a first end and a second end opposite to each other in the longitudinal direction, and 
 two side walls that are disposed between said first end and said second end of said rail plate, and that respectively and transversely extend from a top side and a bottom side of said rail plate; 
   said first slide rail unit further includes
 two ball strips that are respectively and moveably disposed on said side walls, and 
 two blocking members that are respectively fixed to said side walls and are adjacent to said first end of said rail plate; 
   said second slide rail unit further includes
 two abutment members that are respectively and co-movably disposed on a top side and a bottom side of said second slide rail; 
   said second slide rail is movable along an axis extending in the longitudinal direction between the initial position and the extended position;   when said second slide rail is moved toward the extended position, said abutment members respectively drive movement of said ball strips toward said first end; and   when said second slide rail is in the extended position, said ball strips respectively abut against said blocking members.   
     
     
         9 . The slide rail device as claimed in  claim 8 , wherein
 said rail plate further has a sliding surface that extends from said first end to said second end, and that faces said second slide rail;   said stop block is formed on said sliding surface;   said second slide rail has a first surface that faces said sliding surface; and   said reinforcement member is disposed on said first surface.   
     
     
         10 . The slide rail device as claimed in  claim 6 , wherein
 said at least one reinforcement body part includes a plurality of reinforcement body parts that are spaced apart from each other and that are arranged along said second slide rail; and   said engagement part protrudes from one of said plurality of reinforcement body parts.