Support bracket for element for forming a cable tray

Abstract

The invention concerns a bracket ( 1 ) comprising a base part ( 3 ) and a mobile part ( 4 ). The invention is characterised in that: the base part ( 3 ) comprises at least locking means ( 18 ) for receiving part ( 2 a ) of an element ( 2 ) of cable tray and in locking said element ( 2 ) in a horizontal direction perpendicular to the cable tray; the mobile part ( 4 ) comprises at least locking means ( 26 ) configured to be urged in engagement with said cable tray element ( 2 ) by simple displacement of said mobile part ( 4 ) towards said element ( 2 ); and the bracket ( 1 ) comprises elastic means ( 5 ) configured to enable the mobile part to be displaced between an engagement position, wherein it is possible to engage said cable tray element ( 2 ) between the locking means, ( 18, 26 ) comprised in the base part ( 3 ) and the mobile part ( 4 ), and a normal locking position, wherein said locking means ( 18, 26 ) are engaged with said cable tray element ( 2 ).

1 . A support bracket for supporting cable tray elements, characterized in that it comprises: 
 a base piece ( 3 ) intended to be fixed to a support wall ( 50 ); this base piece ( 3 ) comprises, on its side intended to be fixed to the support wall ( 50 ), at least one locking means ( 18 ,  42 ) able to house part of the cable tray element ( 2 ) facing the bracket ( 1 ), and to lock this element ( 2 ) in a horizontal direction perpendicular to the cable tray;    a moving piece ( 4 ), mounted on the base piece ( 3 ) and comprising at least one locking means ( 26 ) shaped to engage with said cable tray element ( 2 ) by a simple displacement of this moving piece ( 4 ) toward this element ( 2 ); this moving piece ( 4 ) is moveable between an engagement position, in which it is possible to engage said cable tray element ( 2 ) between the locking means ( 18 ,  42 ,  26 ) that the base piece ( 3 ) and the moving piece ( 4 ) comprise, and a locking position, in which these locking means ( 18 ,  42 ,  26 ) are engaged with said cable tray element ( 2 ); and    means ( 5 ,  41 ,  49 ) of keeping the locking means ( 26 ) that the moving piece ( 4 ) comprises in said locking position.    
     
     
         2 . The bracket as claimed in  claim 1 , characterized in that each locking means ( 18 ,  42 ) that the base piece ( 3 ) comprises is shaped in such a way that the cable tray element ( 2 ) has to be inclined in order to be able to engage with it, and in that each locking means ( 26 ) that the moving piece ( 4 ) comprises is shaped so that when it is engaged with the cable tray element ( 2 ) it prevents any lifting of this element ( 2 ) with respect to the bracket ( 1 ).  
     
     
         3 . The bracket as claimed in  claim 1  or  claim 2 , characterized in that said holding means consist of an elastic member ( 5 ) shaped to allow the moving piece ( 4 ) to move between said engagement position and said locking position and to return the moving piece ( 4 ) to the locking position.  
     
     
         4 . The bracket as claimed in  claim 1  or  claim 2 , characterized in that each locking means that the moving piece ( 4 ) comprises consists of a hook ( 26 ), and in that said holding means consist of a deformable structure of this hook ( 26 ) such that this hook ( 26 ) can be deformed over the part of the cable tray element ( 2 ) around which it is engaged.  
     
     
         5 . The bracket as claimed in  claim 4 , characterized in that each hook ( 26 ) is made of a metallic material and is shaped in such a way that it can be deformed by using a hammer.  
     
     
         6 . The bracket as claimed in  claim 1  or  claim 2 , characterized in that said holding means consist of at least one clamping means ( 41 ,  49 ) able, when tightened, to immobilize the moving piece ( 4 ) with respect to the base piece ( 3 ).  
     
     
         7 . The bracket as claimed in one of  claims 1  to  6 , characterized in that the base piece ( 3 ) is tabular and the moving piece ( 4 ) is engaged telescopically in the base piece ( 4 ).  
     
     
         8 . The bracket as claimed in  claim 7 , characterized in that each locking means that the base piece ( 3 ) comprises consists of a notch ( 18 ) formed in an upright of the base piece ( 3 ) which extends over the surface of this piece housing the cable tray element ( 2 ).  
     
     
         9 . The bracket as claimed in  claim 8 , characterized in that each notch ( 18 ) is delimited at its lower end by an inclined edge ( 20 ) forming a ramp.  
     
     
         10 . The bracket as claimed in one of  claims 1  to  7 , characterized in that each locking means that the base piece ( 3 ) comprises consists of a tab ( 42 ), of inflected shape, comprising a part ( 42   a ) able to be engaged inside the cable tray element ( 2 ), through an opening ( 35 ) that at least one of the side walls of the cable tray element ( 2 ) comprises.  
     
     
         11 . The bracket as claimed in one of  claims 1  to  10 , characterized in that: 
 the base piece ( 3 ) comprises a section piece ( 10 ) of C-shaped cross section and a tabular section piece ( 11 ) fixed to the C-section ( 10 ), at right angles to the latter; said C-section ( 10 ) has an intermediate wall ( 15 ) which comprises at least one hole ( 16 ) to allow the bracket ( 1 ) to be fixed to the support wall ( 50 ), and two lateral flanges ( 17 ) which each comprise a notch ( 18 ) like the aforesaid one; said tabular section ( 11 ) is housed inside the C-section ( 10 ) and has a longitudinal slot ( 19 ) opening into its upper face; and  
 the moving piece ( 4 ) comprises a section piece ( 25 ) of C-shaped cross section, shaped to be able to be engaged with sliding inside the tabular section ( 11 ) of the base piece ( 3 ); this C-section ( 25 ) of the moving piece ( 4 ) comprises at least one hook ( 26 ) fixed to the intermediate wall ( 27 ) of this section ( 25 ), on the exterior face thereof.  
 
     
     
         12 . The bracket as claimed in one of  claims 1  to  10 , characterized in that: 
 the base piece ( 3 ) comprises a part ( 36 ) of trapezoidal shape, a vertical edge ( 37 ) pierced with holes, to allow this base piece ( 3 ) to be fixed to said support wall ( 50 ), and a horizontal edge ( 38 ); and  
 the moving piece ( 4 ) has the cross section of an inverted L, part ( 44 ) of which sits along said part ( 36 ) of trapezoidal shape and the other part ( 45 ) of which forms a horizontal edge which is pressed against the horizontal edge ( 38 ) of the base piece ( 3 ).  
 
     
     
         13 . The bracket as claimed in one of  claims 1  to  10 , characterized in that: 
 the base piece ( 3 ) comprises two parts ( 10 ,  11 ), namely a part ( 10 ) known as the “fixing” part, intended to allow the bracket to be fixed to a support wall, and a part ( 11 ) known as the “housing” part, intended to house and to support said moving piece ( 4 );  
 said fixing part ( 10 ) has a length such that it comprises a number of the aforesaid locking means ( 18 ), staggered along this length, and a number of means ( 61 ) for assembling it with said housing part ( 11 ), these being staggered accordingly, and  
 said housing part ( 11 ) comprises means ( 63 ) for assembling it with the fixing part ( 10 ), it being possible for these assembly means ( 63 ) to collaborate with the assembly means ( 61 ) belonging to the fixing part ( 10 ) so as to allow the housing part ( 11 ) to be assembled in several possible positions staggered along the fixing part ( 10 ).  
 
     
     
         14 . The bracket as claimed in  claim 13 , characterized in that: 
 said fixing part ( 10 ) is formed of a section piece of C-shaped cross section and said housing part ( 11 ) is formed of a tabular section connected to the fixing part ( 10 ) at right angles to the latter; the fixing part ( 10 ) comprises at least one means for fixing it to the support wall, and has two lateral flanges ( 17 ) each of which comprises a notch ( 18 ) like the aforesaid one; said housing part ( 11 ) is housed inside said fixing part ( 10 ) and has a longitudinal slot opening into its upper face; and    the moving piece ( 4 ) comprises a section piece of C-shaped cross section, shaped to be able to be engaged with sliding inside said housing part ( 11 ); this C-section of the moving piece ( 4 ) comprises at least one hook ( 26 ) fixed to the intermediate wall of this section, on the exterior face thereof.    
     
     
         15 . The bracket as claimed in  claim 13 , characterized in that said housing part ( 11 ) comprises a piece ( 111 ) exhibiting a tabular duct ( 111   a ) for housing said moving part ( 4 ), secured to a part ( 136 ) of trapezoidal shape.