Taperlock axle apparatus and flange

Details Taperlock axle apparatus and flange Taperlock axle apparatus and flange

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 3/02 (2006.01) B21K 1/06 (2006.01) B60B 27/00 (2006.01) B60B 35/02 (2006.01) F16D 1/072 (2006.01)

Patent

CA 2236547

A flange and shaft for a two-piece forged axle and method for forging same. The flange includes a hub formed concentric about a longitudinal axis wherein the hub defines an inner annular face, an outer annular face, and a bore extending therebetween. The bore includes a first tapered surface diverging from the longitudinal axis. The flange further includes an annular ring coaxial and integral with the hub as well as a locking arrangement integral with the tapered surface for mechanically coupling the flange for rotation with a shaft. Additional embodiments of the present invention include a two-piece axle having a flange generally configured as described above and a cylindrical shaft disposed in the bore of the flange. The shaft includes a first end portion having a first radial upset engaging a first locking arrangement on the flange to couple the flange for rotation with the shaft. Finally, a method for coupling a flange for rotation with a shaft is disclosed to include the steps of placing a shaft formed of a first material within a bore defined by a flange formed of a second material and upsetting the shaft such that the first material is radially displaced to engage a locking arrangement formed in the flange. More particularly, the flange includes a longitudinal axis, an outer annular face, an inner annular face, and a taper portion diverging from the longitudinal axis. The flange further includes the locking arrangement integral with the taper portion for mechanically coupling the flange for rotation with the shaft.

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