Switch point roller assembly

A switch point roller assembly (100) configured for operation at or near a switch point of a railway switch, the switch point roller assembly (100) comprising:

• a spring (111);
• a bolt assembly (130) comprising a bolt (114) and a nut (113), the bolt (114) comprising a hex head (114A), wherein the hex head (114A) provides adjustment of the bolt (114);
• a roller assembly (128) comprising a roller (105), an axle retainer (108), and a first axle (109), wherein the axle retainer (108) is operatively connected to the bolt assembly (130), wherein the first axle (109) is disposed within the roller (105) and the axle retainer (108), wherein the roller assembly (128) is adjustable by the bolt assembly (130) via the hex head (114A);
• a housing assembly (129) comprising a housing (102), wherein the housing assembly (129) is operatively connected to the roller assembly (128) via the bolt assembly (130), wherein the housing assembly (129) is further operatively connected to the roller assembly (128), wherein the housing (102) comprises a first plurality of surfaces (140Z) and a second plurality of surfaces (142Z), wherein the nut (113) is configured to substantially secure the bolt (114) to a first surface (140A) within the first plurality of surfaces (140Z), wherein the spring (111) is configured to be disposed between a base plate (101) and a second surface (142D) within the second plurality of surfaces (142Z), wherein the housing (102) further comprises a third plurality of surfaces (155Z), wherein the roller assembly (128) is disposed partially within the housing (102) with respect to the third plurality of surfaces (155Z);
• and
• the base plate (101) comprising a plurality of slots (127Z) configured to attach the base plate (101) to the switch point, wherein the base plate (101) further comprises a spring support (116), wherein the spring (111) is supported by the spring support (116) and is in contact with the housing assembly (129), the spring support (116) comprising an inner spring support (116B) and an outer spring support (116A), wherein the spring (111) is supported, at an inner diameter of the spring (111), via the inner spring support (116B), wherein the spring (111) is further supported, at an outer diameter of the spring (111), via the outer spring support (116A).