Forward or rearward transmission for e.g. dune buggy, has sleeve having forward and rearward motion gears engaging gear ends of driving gears for driving powered axle in direction towards front and rear, respectively

摘要

The transmission has a powered axle (10) attached to drive wheels of a sand buggy, and a set of transmission gears (20) with external and internal gears (21, 22) mounted around the axle. A forward motion conical gear (31) has an embedded forward motion driving gear (312) formed in its internal end. A rearward motion conical gear (35) has an embedded rearward motion driving gear (352) formed in its internal end. A sleeve (42) has forward and rearward motion gears (421, 422) engaging gear ends of the gears (312, 352) for driving the axle in a direction towards front and rear, respectively.