Dishwasher rack and compact type dishwasher having the same

Abstract

Disclosed is the compact type dishwasher, including: a washing space for accommodating dishes therein, a lower rack disposed inside the washing space, an upper rack disposed above the lower rack, and having a dish collision preventer for preventing a collision with the dishes placed at the lower rack, and a sub-rack mounted at the dish collision preventer so as to utilize a space formed above the dish collision preventer, wherein the sub-rack includes a plurality of first support members and a plurality of second support members crossing the first support members, and at least one concavo-convex portion is formed at the first support members, thereby enhancing utilization of the space above the dish collision preventer of the upper rack as well as meeting a customer's need for minimizing the size of the dishwasher.

1 . A dishwasher rack, comprising:
 a lower rack;   an upper rack having a dish collision preventer so as to prevent a collision with dishes placed at the lower rack; and   a sub-rack mounted at the dish collision preventer so as to utilize a space formed above the dish collision preventer.   
   
   
       2 . The dishwasher rack of  claim 1 , wherein the sub-rack comprises a plurality of first support members and a plurality of second support members crossing the first support members, and at least one concavo-convex portion is formed at the first support members. 
   
   
       3 . The dishwasher rack of  claim 2 , wherein the first support members are disposed parallel to a short side of the sub-rack, and the second support members are disposed parallel to a long side of the sub-rack. 
   
   
       4 . The dishwasher rack of  claim 2 , wherein a main frame is formed at an outer periphery of the first and second support members. 
   
   
       5 . The dishwasher rack of  claim 4 , wherein the sub-rack further comprises a third support member formed between the first support members. 
   
   
       6 . The dishwasher rack of  claim 5 , wherein a plurality of ribs are formed at the third support member. 
   
   
       7 . The dishwasher rack of  claim 4 , wherein a locking portion for mounting the sub-rack at a vertical support bar forming the dish collision preventer is formed at the sub-rack, and a plurality of the locking portions are formed at the long side of the main frame. 
   
   
       8 . The dishwasher rack of  claim 7 , wherein a locking groove is formed at the locking portion, and the locking groove is opened toward a lower portion of the locking portion. 
   
   
       9 . The dishwasher rack of  claim 8 , wherein a plurality of first concaved portions are formed at the short sides of the main frame which are perpendicular to the second support members, and the first concaved portions are opened toward a lower portion of the sub-rack. 
   
   
       10 . The dishwasher rack of  claim 9 , wherein concaved portions of the first concaved portions and concaved portions of the convex-concaved portion of the first support portions are positioned on the same straight line, when viewed at the front of the main frame having the first concaved portions. 
   
   
       11 . The dishwasher rack of  claim 5 , wherein the main frame includes a second concaved portion at positions in which both ends of each third support member are coupled to the main frame. 
   
   
       12 . The dishwasher rack of  claim 5 , wherein a width of the third support member is greater than that of the first support member. 
   
   
       13 . A compact type dishwasher, comprising:
 a washing space for accommodating dishes therein;   a lower rack disposed inside the washing space;   an upper rack disposed above the lower rack, and having a dish collision preventer for preventing a collision with the dishes placed at the lower rack; and   a sub-rack mounted at the dish collision preventer so as to utilize a space formed above the dish collision preventer.   
   
   
       14 . The compact type dishwasher of  claim 13 , wherein the sub-rack comprises a plurality of first support members and a plurality of second support members crossing the first support members, and at least one concavo-convex portion is formed at the first support members. 
   
   
       15 . The compact type dishwasher of  claim 14 , wherein the sub-rack includes a main frame formed at an outer periphery of the first and second support members. 
   
   
       16 . The compact type dishwasher of  claim 14 , wherein the sub-rack further comprises a third support member formed between the first support members, and a plurality of ribs are formed at the third support member. 
   
   
       17 . The compact type dishwasher of  claim 15 , wherein a locking portion for mounting the sub-rack at a vertical support bar forming the dish collision preventer is formed at the sub-rack, and a plurality of the locking portions are formed at the long side of the main frame. 
   
   
       18 . The compact type dishwasher of  claim 13 , wherein a ski-shaped supporting plate is formed below the lower rack such that the supporting plate can be prevented from being stopped by a door for opening/closing the washing space when pushing in or pulling out the lower rack.