Patent ID: 7735937
Filing Date: 2010-06-15
Classification: B62K

Abstract:
1. An axle assembly, comprising: a tubular body that is insertable into respective first and second penetrating holes formed on a pair of shaft mounting portions, and which is adapted to rotatably support a wheel hub; a first holding member that is installed on a first end of the tubular body, for pressing an edge of the first penetrating hole; a fastening bar that passes through the first holding member and is positioned inside the tubular body; a moving means that is positioned adjacent to the first holding member, and being connected to a first end of the fastening bar, for axially moving the fastening bar within the tubular body; a second holding member, that has a plurality of partition pieces that collectively form a collet shape, and protruding from a second end of the tubular body, the plurality of partition pieces being expandable and contractible so as to change a diameter of the second holding member; a pressing means that is connected to a second end of the fastening bar, for pressing against the second holding member when the fastening bar is axially moved so as to press the respective partition pieces against an edge of the second penetrating hole; and a diameter shrinking member that is sleeved over the pressing means and being movable towards the second end of the tubular body to couple with the plurality of partition pieces thereby reducing the diameter of the second holding member.