Shaft rod for a heald shaft

Abstract

The shaft rod in accordance with the invention consists of only one (steel) metal sheet which is essentially configured without a large hollow chamber. The metal sheet has two stiffening means which are preferably located at the top and at the bottom of the shaft rod and are configured as edges. Preferably, the upper stiffening means ( 10 ) is implemented in the configuration of a small hollow chamber or of a solid reinforcement. The lower stiffening means ( 11 ) is implemented by attaching the heald support rail. Attachment may occur in accordance with any joining method, such as, for example, welding, cementing, clinching. The shaft rod may be manufactured by shape-rolling or roll-forming, as well as by all other reforming processes that are suitable for metal sheets. It is preferred that the heald support rail be directly integrated in the sheet metal form of the shaft rod. As a result, the entire shaft rod consists of a single metal sheet.

1 . A shaft rod ( 2 ,  3 ) for a heald shaft, comprising:
 a shaft body ( 8 ) having a single, longitudinally continuous sheet metal component ( 9 ) with an upper edge ( 10 ) extending in longitudinal direction and a lower edge ( 11 ) extending in longitudinal direction, whereby, between said edges a flat central section ( 12 ) without a hollow chamber is formed.   
   
   
       2 . A shaft rod in accordance with  claim 1 , characterized in that the central section ( 12 ) without a hollow chamber has only one single wall. 
   
   
       3 . A shaft rod in accordance with  claim 2 , characterized in that the wall extends from the upper edge ( 10 ) to the lower edge ( 11 ). 
   
   
       4 . A shaft rod in accordance with  claim 1 , characterized in that the upper edge ( 10 ) is formed by a stiffening means ( 16 ). 
   
   
       5 . A shaft rod in accordance with  claim 4 , characterized in that the stiffening means ( 16 ) extends over the entire length of the shaft rod ( 2 ). 
   
   
       6 . A shaft rod in accordance with  claim 6 , characterized in that the stiffening means ( 16 ) is a hollow chamber ( 10 ). 
   
   
       7 . A shaft rod in accordance with  claim 6 , characterized in that the hollow chamber ( 10 ) is formed by an angled section of the sheet metal component ( 9 ). 
   
   
       8 . A shaft rod in accordance with  claim 4 , characterized in that the stiffening means ( 16 ) is formed by a solid stiffening rod ( 42 ) which is connected to the sheet metal component ( 9 ). 
   
   
       9 . A shaft rod in accordance with  claim 1 , characterized in that a lower stiffening means ( 14 ,  15 ,  38 ) is provided on the lower edge. 
   
   
       10 . A shaft rod in accordance with  claim 1 , characterized in that the lower stiffening means ( 14 ,  15 ,  38 ) consists at least in part of a heald support rail ( 14 ,  38 ). 
   
   
       11 . Shaft rod in accordance with  claim 10 , characterized in that the heald support rail ( 14 ,  38 ) is a bent sheet metal component. 
   
   
       12 . Shaft rod in accordance with  claim 1 , characterized in that the connectors ( 17 ,  18 ) for the lateral supports ( 4 ,  5 ) are provided on the ends of the rod body ( 8 ). 
   
   
       13 . Shaft rod in accordance with  claim 12 , characterized in that the connectors ( 17 ,  18 ) are formed by sheet metal tabs ( 19 ,  34 ) which extend at least in part over the central section ( 12 ). 
   
   
       14 . Shaft rod in accordance with  claim 13 , characterized in that each of the sheet metal tabs ( 19 ,  34 ) forms pockets ( 24 ) which are open on two sides.