Vehicle lock arrangement
AssigneeDr. Ing. h.c.F. Porsche Aktiengesellschaft
InventorHeinz Renz
Life of this patent
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Abstract
A cylinder lock arrangement which includes a lock housing and a closing cylinder arranged in the lock housing with key-operated tumblers being provided between the closing cylinder and the lock housing. A groove is provided in the housing for accommodating the tumblers, with the tumblers being engageable with the groove when a key is inserted into a key opening of the cylinder lock arrangement. At least one breaking point is provided at the closing cylinder with the tumblers and groove being constructed so that, with a corresponding loading of the closing cylinder, the lock arrangement is always separated at the at least one breaking point.
Claims9
A cylinder lock arrangement which includes a lock housing, a closing cylinder arranged in the lock housing, key-operated tumblers provided between the closing cylinder and the lock housing, and a groove means provided in the housing for accommodating the tumblers, characterized in that at least one breaking point is provided at the closing cylinder, the tumblers and groove means are constructed so that, with a corresponding loading of the closing cylinder, the lock arrangement is always separated at the at least one breaking point, and in that means are provided for preventing axial displacement of a separated portion of the closing cylinder between the breaking point and an opening for receiving a key.
Dependencies are inferred from the claim text.