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A multi-step gearbox has a gearbox housing (1) and a first gear wheel (5) non-rotationally linked with the input shaft (2), a fourth (10) and fifth gear wheel (12) with a mutual fixed connection, a respective second (6) and third gearwheel (8) with a mutual fixed connection and one planetary wheel (

A multi-step gearbox has a gearbox housing (1) and a first gear wheel (5) non-rotationally linked with the input shaft (2), a fourth (10) and fifth gear wheel (12) with a mutual fixed connection, a respective second (6) and third gearwheel (8) with a mutual fixed connection and one planetary wheel (15) each rotate about a common planetary axis (B), and an internal-geared wheel (16) is non-rotationally linked with the gearbox housing (1).

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1. A multistage toothed gearing having a gear housing ( 1) and features: rotating about a common gearing axis (A) are the following: one input shaft (2) and one output shaft (3),a first gearwheel (5) which is fixedly connected to the input shaft (2),a fourth (10) and fifth (12) gearwheel having a

1. A multistage toothed gearing having a gear housing ( 1) and features: rotating about a common gearing axis (A) are the following: one input shaft (2) and one output shaft (3),a first gearwheel (5) which is fixedly connected to the input shaft (2),a fourth (10) and fifth (12) gearwheel having a mutual fixed connection, anda rotating carrier (4) mounted in the gear housing (1); rotating about at least one planetary axis (B) and running parallel to the common gearing axis (A) are the following: a second (6) and third (8) gearwheel with a mutual fixed connection andone planetary wheel (15) for each set of second and third gearwheels;the planetary axis (B) rotates about the common gearing axis (A); the gearwheel connections of said set of second ( 6) and third (8) gearwheels and the fourth (10) and fifth (12) gearwheels, respectively, are each rotationally mounted in the rotating carrier (4), a hollow wheel ( 16) is fixedly connected to the gear housing (1); intermeshing with one another are the following: the first gearwheel (5) and the second (6) gearwheel,the third gearwheel (8) and the fourth (10) gearwheel,the fifth gearwheel (12) and the planetary wheel (15) andthe planetary wheel (15) and the hollow wheel (16); the planetary wheel ( 15) and the hollow wheel (16) are arranged in a direction of the common gearing axis (A) between the first (5) and second (6) gearwheels and the third (8) and fourth (10) gearwheels, to which end the connection between the second (6) and third (8) gearwheels passes through the planetary wheel (15) allocated for these gearwheels on its planetary axis (B).2. The toothed gearing according to claim 1, wherein the planetary wheel ( 15) rotates on a bearing (14) of whose counter rotating parts, one is fixedly connected to the planetary wheel (15) and another is fixedly connected to the rotating carrier (4).3. The toothed gearing according to claim 1, wherein the following gearwheels intermesh in separate planes: the first gearwheel (5) with the second gearwheel (6),the third gearwheel (8) with the fourth gearwheel (10),the fifth gearwheel (12) with the planetary wheel (15).4. The toothed gearing according to claim 1, wherein at least two second gearwheels ( 6) are provided.5. The toothed gearing according to claim 4, wherein more than two second gearwheels ( 6) are provided, and of these, at least individual gearwheels which are offset axially relative to one another mesh with the first gearwheel (5).6. The toothed gearing according to claim 4, wherein the number of second gearwheels ( 6) matches the number of planetary wheels (15).7. The toothed gearing according to claim 1, wherein the gearwheels and planetary wheels have the following diameter relationships: the first gearwheel (5) is smaller than the second gearwheel (6),the second gearwheel (6) is larger than the third gearwheel (8),the third gearwheel (8) is smaller than the fourth gearwheel (10),the fourth gearwheel (10) is larger than the fifth gearwheel (12),the fifth gearwheel (12) is smaller than the planetary wheel (15).8. The toothed gearing according to claim 1, wherein the rotating carrier ( 4) is mounted in the gear housing (1) over a cross-roller bearing (19), whereby raceway surfaces of cross-rollers of said bearing (19) are incorporated directly into the material of the rotating carrier (4) and its gear housing (1).9. The toothed gearing of claim 1, wherein the input shaft ( 2) and the output shaft (3) are interchangeable.10. The toothed gearing, according to claim 1, wherein more than one third gearwheel ( 8) are provided.