Shield Plate of Wheel Roller Bearing of Roller Skate

Abstract

A shield plate ( 2 ) of a wheel roller bearing of a roller skate, which is installed outside the roller bearing for preventing the contamination of the roller bearing, characterized in that the shield plate extends over the outer race ( 7 ) of the roller bearing and that the shield plate is fixed directly or by means of attachments tightly on the inner race ( 10 ) of the roller bearing.

1 . A shield plate ( 2 ) of a wheel roller bearing of a roller skate, which is installed outside the roller bearing for preventing the contamination of the roller bearing, in which the shield plate extends over the outer race ( 7 ) of the roller bearing and that the shield plate is fixed directly or by means of attachments tightly on the inner race ( 10 ) of the roller bearing, characterized in that on the inner surface of the shield plate there is one or more projections ( 3 ,  4 ,  5 ) and/or grooves, and that the shield plate ( 2 ) or the projections or the grooves in it are not in contact with rotating parts. 
     
     
         2 . A shield plate according to  claim 1 , characterized in that the shield plate is fixed on the inner race ( 10 ) of the roller bearing by means of at least one fixing lug ( 9 ) in the shield plate. 
     
     
         3 . A shield plate ( 2 ) according to  claim 1 , characterized in that the shield plate ( 2 ) is also fixed to a rail ( 13 ) of the roller skate. 
     
     
         4 . A shield plate according to any one of previous  claims 1 - 3 , characterized in that the shield plate is manufactured of plastic or plastic composites. 
     
     
         5 . A shield plate according to any one of previous  claims 1 - 4 , characterized in that the shield plate is manufactured of metal or metal alloys.