Actuation apparatus for a gearshift sleeve in a stepped automotive gearbox
AssigneeGetrag Gestriebe-und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie
InventorsGunter Knoedel, Reinhard Schaarschmidt
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Abstract
A gearshift sleeve actuating apparatus for a stepped automotive gearbox is disclosed. The apparatus comprises a shift rod which can be displaced along its axis. A shift fork and an engaging piece or driver are rigidly arranged on the shift rod. The apparatus is configured as a composite plastic/metal structure in which a metal component, constituting the engaging piece as well as a core for the shift rod, is injection-embedded in a plastic material. The shift fork consists exclusively of the plastic material.
Claims13
A gearshift sleeve actuating apparatus for a stepped automotive gearbox, the apparatus comprising:
- a gearshift rod having an axis and being adapted to be displaced along said axis, and having, further, an elongate axial reinforcing metallic core embedded in a plastic material;
- a plastic material gearshift fork rigidly connected to said gearshift rod;
- and
- a metallic engaging piece adapted to be engaged by a cam actuated by a gearshift lever of said gearbox, said engaging piece being rigidly connected to said gearshift rod,
- wherein said apparatus is configured as a composite plastic/metal structure having a metallic component constituting said core and said engaging piece as an integral component and being embedded by injection molding in said plastic material, said gearshift fork being formed entirely of said plastic material.
Dependencies are inferred from the claim text.