Shifting device for a transmission
AssigneeZF Friedrichshafen AG
InventorsUwe Beer, Michael Drabek
Life of this patent
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AssigneeZF Friedrichshafen AG
InventorsUwe Beer, Michael Drabek
Estimating the term…
A shifting device for a transmission, in which at least one gearshift package is allocated to two non-successive gears and each of these gearshift packages is coupled with a gearshift lever. An H- or a multiple H-shifting diagram is allocated to the gearshift lever, in which the gears that can be selected within a gearshift path are allocated to different gearshift packages. The gearshift lever and the gearshift packages are connected to a conversion device with which a gearshift lever movement to take out a previous gear in a gearshift path causes this gear to be taken out in a first gearshift package. A gearshift lever movement for putting in the new gear in the same gearshift path, a second gearshift package puts in this new gear. The conversion device functions in such a way that the gearshift lever is coupled with an axially displaceable and radially pivotable shift finger shaft.
A shifting device for a multi-step transmission, in which at least one gearshift package (53, 54, 55) is allocated to two non-successive gear transmission ratio steps, in which each of the gearshift packages (53, 54, 55) is coupled through and actuated by at least one of sliding selector shafts and gearshift cables with a first gearshift lever (35), a shifting pattern is allocated to the first gearshift lever (35), in which two successive gear transmission ratio steps are positioned essentially opposite each other in a gearshift path, the gear transmission ratio steps selectable within the gearshift path are allocated to different gearshift packages, and the first gearshift lever (35) and the gearshift packages (53, 54, 55) are connected with a conversion device, by means of which an other gearshift lever movement in a first gearshift path results in taking out of a preceding gear (G1, G3, G5, G7) of a first gearshift package (53, 54, 55), a second gearshift lever movement in the first gearshift path results in insertion of a new gear (G2, G4, G6, RG) of a second gearshift package (53, 54, 55), the first gearshift lever (35) is coupled with an axially displaceable shift finger shaft (1) which can be swivelled around a longitudinal axis, the shift finger shaft (1) respectively penetrates an opening of gearshift frames (14, 15, 16, 17) connected with sliding selector shafts (10, 11, 12, 13, 14, 56, 57, 58, 59), at the shift finger shaft (1) at least one shift finger (2, 3, 4, 5, 6, 7, 8) per gear transmission ratio step, or per gearshift frame (14, 15, 16, 17) is arranged, and each of the gearshift frames (14, 15, 16, 17) has at least one recess (9, 9a) in an area of an opening, to which the at least one shift finger (2, 3, 4, 5, 6, 7, 8) is arranged.
A motor vehicle transmission comprising a shifting device, wherein the shifting device includes at least one gearshift package (53, 54, 55) is allocated to two non-successive gear transmission ratio steps, in which each of the gearshift packages (53, 54, 55) is coupled through and actuated by at least one of sliding selector shafts and gearshift cables with a first gearshift lever (35), a shifting pattern is allocated to the first gearshift lever (35), in which two successive gear transmission ratio steps are positioned essentially opposite each other in a gearshift path, the gear transmission ratio steps selectable within the gearshift path are allocated to different gearshift packages, and the first gearshift lever (35) and the gearshift packages (53, 54, 55) are connected with a conversion device, by means of which an other gearshift lever movement in a first gearshift path results in taking out of a preceding gear (G1, G3, G5, G7) of a first gearshift package (53, 54, 55), a second gearshift lever movement in the first gearshift path results in insertion of a new gear (G2, G4, G6, RG) of a second gearshift package (53, 54, 55), the first gearshift lever (35) is coupled with an axially displaceable shift finger shaft (1) which can be swivelled around a longitudinal axis, the shift finger shaft (1) respectively penetrates an opening of gearshift frames (14, 15, 16, 17) connected with sliding selector shafts (10, 11, 12, 13, 14, 56, 57, 58, 59), at the shift finger shaft (1) at least one shift finger (2, 3, 4, 5, 6, 7, 8) per gear transmission ratio step, or per gearshift frame (14, 15, 16, 17) is arranged, and each of the gearshift frames (14, 15, 16, 17) has at least one recess (9, 9a) in an area of an opening, to which the at least one shift finger (2, 3, 4, 5, 6, 7, 8) is arranged.
Dependencies are inferred from the claim text.