Spray arm for a dishwasher with two spray arm parts

Abstract

In a spray arm for a dishwasher, comprising a first spray arm part and a second spray arm part, of which the first spray arm part comprises a groove which extends substantially along the circumference of the first spray arm part, said groove being formed by a first, inner groove wall and a second, outer groove wall, and of which the second spray arm part comprises a web wall which extends substantially along the circumference of the second spray arm part and engages with the groove, the web wall comprises a first latching element which, in order to establish a latching connection between the first and the second spray arm part, is designed to interact with a second latching element which is located on one of the groove walls.

What is claimed is: 
     
         1 . Spray arm ( 10 ) for a dishwasher, comprising a first spray arm part ( 20 ) and a second spray arm part ( 24 ), of which the first spray arm part ( 20 ) comprises a groove ( 28 ) which extends substantially along the circumference of the first spray arm part ( 20 ), said groove being formed by a first, inner groove wall ( 30 ) and a second, outer groove wall ( 32 ), and of which the second spray arm part ( 24 ) comprises a web wall ( 34 ) which extends substantially along the circumference of the second spray arm part ( 24 ) and engages with the groove ( 28 ), the web wall ( 34 ) comprising a first latching element ( 41 ) which, in order to establish a latching connection ( 40 ) between the first and the second spray arm part ( 20 ;  24 ), is designed to interact with a second latching element ( 42 ) which is located on one of the groove walls ( 30 ;  32 ). 
     
     
         2 . Spray arm of  claim 1 , wherein the first latching element ( 41 ) is embodied on the outside of the web wall ( 34 ) and the second latching element ( 42 ) is embodied on the second, outer groove wall ( 32 ). 
     
     
         3 . Spray arm of  claim 2 , wherein the second, outer groove wall ( 32 ) is designed to be higher than the first, inner groove wall ( 30 ). 
     
     
         4 . Spray arm of  claim 3 , wherein the first, inner groove wall ( 30 ) is designed with an insertion chamfer ( 46 ) on its rim facing the web wall ( 34 ) for insertion of the web wall ( 34 ) into the groove ( 28 ). 
     
     
         5 . Spray arm of  claim 4 , wherein the second, outer groove wall ( 32 ) is designed with an insertion chamfer ( 48 ) on its rim facing the web wall ( 34 ) for insertion of the web wall ( 34 ) into the groove ( 28 ). 
     
     
         6 . Spray arm of  claim 5 , wherein the web wall ( 34 ) is designed with an insertion chamfer ( 50 ,  52 ) on at least one of its rims facing the groove walls ( 30 ;  32 ) for insertion of the web wall ( 34 ) into the groove ( 28 ). 
     
     
         7 . Spray arm of  claim 6 , wherein the first latching element ( 41 ) is designed as a detent lug and the second latching element ( 42 ) as a detent recess. 
     
     
         8 . Spray arm of  claim 7 , wherein the first latching element ( 41 ) and the second latching element ( 42 ) are designed to extend substantially along the entire circumference of the first and the second spray arm part ( 20 ;  24 ). 
     
     
         9 . Spray arm of  claim 8 , wherein the first latching element ( 41 ) and the second latching element ( 42 ) are designed with an interruption by a short gap ( 44 ) at predetermined spacings along the circumference of the first and the second spray arm part ( 20 :  24 ). 
     
     
         10 . Spray arm according of  claim 9 , wherein at least one channel ( 54 ) leads from the outside into the groove ( 28 ) for accommodating a mass connecting the first spray arm part ( 20 ) with the second spray arm part ( 24 ). 
     
     
         11 . Spray arm of  claim 1 , wherein the second, outer groove wall ( 32 ) is designed to be higher than the first, inner groove wall ( 30 ). 
     
     
         12 . Spray arm of  claim 1 , wherein the first, inner groove wall ( 30 ) is designed with an insertion chamfer ( 46 ) on its rim facing the web wall ( 34 ) for insertion of the web wall ( 34 ) into the groove ( 28 ). 
     
     
         13 . Spray arm of  claim 1 , wherein the second, outer groove wall ( 32 ) is designed with an insertion chamfer ( 48 ) on its rim facing the web wall ( 34 ) for insertion of the web wall ( 34 ) into the groove ( 28 ). 
     
     
         14 . Spray arm of  claim 1 , wherein the web wall ( 34 ) is designed with an insertion chamfer ( 50 ,  52 ) on at least one of its rims facing the groove walls ( 30 ;  32 ) for insertion of the web wall ( 34 ) into the groove ( 28 ). 
     
     
         15 . Spray arm of  claim 1 , wherein the first latching element ( 41 ) is designed as a detent lug and the second latching element ( 42 ) as a detent recess. 
     
     
         16 . Spray arm of  claim 1 , wherein the first latching element ( 41 ) and the second latching element ( 42 ) are designed to extend substantially along the entire circumference of the first and the second spray arm part ( 20 ;  24 ). 
     
     
         17 . Spray arm of  claim 16 , wherein the first latching element ( 41 ) and the second latching element ( 42 ) are designed with an interruption by a short gap ( 44 ) at predetermined spacings along the circumference of the first and the second spray arm part ( 20 :  24 ). 
     
     
         18 . Spray arm according of  claim 1 , wherein at least one channel ( 54 ) leads from the outside into the groove ( 28 ) for accommodating a mass connecting the first spray arm part ( 20 ) with the second spray arm part ( 24 ).