Running roller for the traveling-gear mechanism of the transport assembly of a cableway system

Abstract

A running roller for the traveling-gear mechanism of the transport assembly of a cableway system has a pulley-type roller body. The roller body is produced from a metal, in particular from steel, and it is provided along the periphery of the roller body with a running surface which encloses the roller body and which is produced from a plastic material.

I claim:  
     
         1 . A running roller for the traveling-gear mechanism of a transport assembly of a cableway system, comprising: 
 a pulley-type roller body formed of metal;    a running surface formed of plastic material enclosing said roller body about a circumferential periphery of said roller body.    
     
     
         2 . The running roller according to  claim 1 , wherein said roller body is formed of steel.  
     
     
         3 . The running roller according to  claim 1 , wherein said running surface defines an outer diameter of the running roller, and said roller body is formed, on an outer circumference thereof, with at least one annular protrusion having an outer diameter of at least 80% of the outer diameter of the running roller.  
     
     
         4 . The running roller according to  claim 1 , wherein the outer diameter of said annular protrusion is 90% to 95% of the outer diameter of the running roller.  
     
     
         5 . The running roller according to  claim 1 , wherein lateral guide surfaces define a width of the running roller and said roller body is formed, on an outer circumference thereof, with at least one ring-like protrusion having side surfaces spaced apart from one another by a distance of at least 65% of the width of the running roller.  
     
     
         6 . The running roller according to  claim 5 , wherein said side surfaces of said protrusion are spaced apart from one another by a distance of at least 75% of the width of the running roller.  
     
     
         7 . The running roller according to  claim 1 , wherein said roller body is formed with throughholes along a circumference thereof, and the plastic material of said running surface passes through said throughholes.  
     
     
         8 . The running roller according to  claim 7 , wherein said throughholes are bores formed in said roller body.  
     
     
         9 . The running roller according to  claim 1 , wherein said roller body extends over an entire thickness of the running roller at a hub region thereof, and has a thickness of approximately 70% of the thickness of the running roller radially outside the hub region.  
     
     
         10 . The running roller according to  claim 1 , wherein said roller body is formed, at a periphery thereof, with two ring-shaped protrusions having an outer circumference approximately 90% of an outer circumference of the running roller, said protrusions have outer wall surfaces spaced apart by a spacing distance of approximately 75% of a width of the running roller defined by lateral guide surfaces thereof, said protrusions are formed with through-holes, and a plastic material of said running surfaces passes through said through-holes.  
     
     
         11 . The running roller according to  claim 10 , wherein said throughholes are bores formed in said roller body.  
     
     
         12 . The running roller according to  claim 1 , wherein said roller body is formed, at a periphery thereof, with two ring-shaped protrusions having an outer circumference approximately 90% of an outer circumference of the running roller, said protrusions have outer wall surfaces spaced apart by a spacing distance of approximately 85% of a width of the running roller defined by lateral guide surfaces thereof, said protrusions are formed with through-holes, and a plastic material of said running surfaces passes through said through-holes.  
     
     
         13 . The running roller according to  claim 12 , wherein said throughholes are bores formed in said roller body.  
     
     
         14 . The running roller according to  claim 1 , wherein said roller body has an annular protrusion formed about a periphery thereof, said annular protrusion, in a radial section thereof, having a T-shape with a crossbar of the T-shape disposed along an outer circumference.  
     
     
         15 . The running roller according to  claim 1 , wherein said roller body is formed with a protrusion having a meandering wave shape along a periphery of the running rollers.