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US 7,958,985 B2Granted
Parking lock gear for a parking lock arrangement
AssigneeZF Friedrichshafen AG
InventorsJosef Haupt, Tobias Miller, Reinhard Schneider
Life of this patent
Estimating the term…
Abstract
A parking lock gear (1) for a parking lock arrangement for locking an output shaft of a transmission of a vehicle has teeth (5). An annular element (2) is fixed to the parking lock gear (1) and has outer teeth (3) which engage an actuated locking pawl.
Claims21
A parking lock gear (1) for a parking lock arrangement for locking an output shaft of a transmission of a vehicle, the parking lock gear (1) comprising radially exterior teeth (5),
- at least one annular element (2) comprising a set of radially outer teeth (3) and a set of radially inner teeth (4), and the radially inner teeth (4) of the at least one annular element (2) directly engage with the radially exterior teeth (5) of the parking lock gear (1) to rotationally fix the annular element (2) to the parking lock gear (1) so as to prevent relative rotation of the annular element (2) with respect to the parking lock gear (1), and
- an actuated locking pawl being engagable with the radially outer teeth (3) of the at least one annular element (2) to lock the transmission output shaft;
- wherein the radially exterior teeth (5) are spaced such that, in an absence of the annular element (2), the actuated locking pawl matingly fits between adjacent exterior teeth (5) of the parking lock gear (1).
Dependencies are inferred from the claim text.