POWER-SHIFTABLE, MULTIPLE GEAR REVERSING GEAR BOX

摘要

PCT No. PCT/EP93/03539 Sec. 371 Date May 8, 1995 Sec. 102(e) Date May 8, 1995 PCT Filed Dec. 15, 1993 PCT Pub. No. WO94/15116 PCT Pub. Date Jul. 7, 1994The invention relates to a power-shiftable multiple gear reversing transmission (1). It is a transmission in a countershaft design, such as specially used in construction machines. To achieve a high number of light parts and keep low the development of noise, it is proposed according to the invention to situate a single clutch (21 to 24) upon each countershaft (17 to 20). The idler gears (25 to 28) associated with the clutches (21 to 24) form a driving gear chain (29). The solution according to the invention is particularly distinguished by a small axial length of the countershafts. It is possible thus to use helical gearings with large angles of slope.