Bracket bearing axle device for bicycle

Claim 1

A bracket bearing axle device applied to a bicycle comprising a bearing axle (1), two roller bearings (100,130), a pedal spindle (4), and a plurality of washers and bolts at the distal ends of the bearing axle (1) to secure the bearing axle (1) to the bicycle and the further characterized by: (a) said bearing axle (1) having two grooves (11,12), and a raised ring (13) with an arced surface (14) on an exterior thereof; (b) two snapping rings (110,120) being provided on said grooves (11,12), respectively, so as to retain said roller bearings (100,130) not to slide on said bearing axle(1); (c) a bearing retainer (2) having an annular protuberance (22) to receive said first roller bearing (100), and said annular protuberance (22) having threads (23) on an exterior thereof to engage with said pedal spindle (4); (d) a plurality of ball bearings (20) provided between said arced surface (14) and said bearing retainer (2) so as to resist abrasion force caused by a rotation of said bearing axle (1); (e) a retarding element (3) having a recess (31) to receive said second roller bearing (130) and threads (35) on an exterior thereof to engage with said pedal spindle (4); and (f) a segmented tube (41) being flexible and positioned between said roller bearings (100,130).