Roller wheel carriage and bearing assembly

摘要

The present specification discloses a carriage body (10) and a bearing (24) as a sub assembly for use in a roller wheel assembly (32), the bearing (24) centrally supporting a roller wheel supporting shaft (27) for rotation, in use, about a rotation axis defined by the rotation shaft (27), the bearing (24) having an outer peripheral mounting surface (50), the carriage body (10) being in one piece defining a bearing support cavity (17) providing a support surface (23) engaging at least a portion of the outer peripheral mounting surface (50) of the bearing (24), the one piece carriage body (10) further having a bearing access opening (28) whereby the bearing (24) is operationally positioned in the bearing support cavity (17) by movement through the access opening (28) in a direction transverse to the rotation axis defined by the support shaft (27).

主权项

1. A sub assembly including a carriage body and a bearing for use in a roller wheel assembly, said bearing having a central opening defining a rotation axis of a roller wheel supporting shaft, said bearing having an outer peripheral mounting surface, said carriage body being one piece and being characterized by a bearing support cavity having an access region opening in a first face of said carriage body, said bearing support cavity defining a support surface, engaging with a portion of the outer peripheral mounting surface of said bearing, said bearing being positioned in said bearing support cavity by movement through said access region in a direction transverse to said rotation axis.