Patent ID: 6715385
Filing Date: 2004-04-06
Classification: B25B

Abstract:
A combination tool for assembling and dismantling a lock nut of a bearing of a wheel axle of a wheeled vehicle, comprising a middle column, a first clamp block, a second clamp block, a regulating threaded rod, and a support rod, wherein:the middle column has a first end having an end face having an axial center defining a polygonal recess; the first clamp block and the second clamp block are located at two sides of the middle column, and a distance between the first clamp block and the middle column is equal to that between the second clamp block and the middle column, each of the first clamp block and the second clamp block has one end respectively provided with a clamp pawl; each of the first clamp block and the second clamp block has a distal end having a central portion respectively provided with a pin for assembling and dismantling a disk-shaped lock nut; the regulating threaded rod is radially extended through the middle column, so that the middle column is positioned at a middle section of the regulating threaded rod, the regulating threaded rod has a first end provided with a first threaded section and a second end provided with a second threaded section having a screw direction opposite to that of the first threaded section, the first threaded section and the second threaded section are respectively extended through the first clamp block and the second clamp block, so that a distance between the first clamp block and the second clamp block can be adjusted; and the support rod is in turn extended through the second clamp block, the middle column and the first clamp block, to support and position the middle column, the first clamp block, and the second clamp block.