Belt sanding attachment tool

Abstract

A belt sanding attachment tool suitable for use with a driver such as a bench drill, the belt sanding attachment tool being a complete unit and removable from the driver, and suitable for work operations such as grinding, polishing, sanding, finishing and the like. The belt sanding attachment tool has a rotating spindle providing a dual function of firstly providing the primary support of the whole belt sanding attachment tool to the driver, and secondly, providing rotary motion to a driving drum spaced from a second rotatable idler drum to direct and move an endless belt between the two drums. An outward biasing means is provided by way of a spring within a telescopic arm to keep the endless belt in tension.

1 . A belt sanding attachment tool suitable for use with a driver, the belt sanding attachment tool being a complete unit and removable from the driver, and suitable for work operations such as grinding, polishing, sanding, finishing and the like,
 wherein the belt sanding attachment tool has a rotating spindle providing a dual function of,   firstly providing the primary support of the whole belt sanding attachment tool to the driver, and   secondly providing rotary motion to a driving drum spaced from a second rotatable idler drum to direct and move an endless belt between the two drums,   and an outward biasing means is provided to keep the endless belt in tension.   
   
   
       2 . A belt sanding attachment tool according to  claim 1  wherein the outward biasing movement is by a telescopic arm. 
   
   
       3 . A belt sanding attachment tool according to  claim 1  wherein the outward biasing force is provided by a spring. 
   
   
       4 . A belt sanding attachment tool according to  claim 1  wherein the tool device is suitable for use with a driver which includes a drilling machine including a motor, a drive spindle, and a drill chuck; the drive drum being operatively connectable to the drill chuck for the dual purpose of driving the drive drum, and supporting the whole assembly. 
   
   
       5 . A belt sanding attachment tool according to  claim 1  wherein a means is provided to prevent rotation of the assembly, holding the assembly in a fixed working position. 
   
   
       6 . A belt sanding attachment tool according to  claim 1  wherein a support platen is optionally connectable to the assembly, positioned adjacent to, and behind the working surface of the endless abrasive belt. 
   
   
       7 . A belt sanding attachment tool substantially as herein before described with reference to  FIGS. 1-7  of the accompanying drawings.