| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a code rugged collation type key system which enables a user to hardly feel inconvenience of a key operation in the insertion of a card rugged key into a lock. <P>SOLUTION: A vehicle is provided with a mechanical operation type door lock system which requires the actual key operation performed by means of a mechanical key in a door locking/unlocking operation. The mechanical operation type door lock system includes a fixed side pin tumblertype lock 37, and a card key 38 in which groups with/without holes are formed as key codes. A hole forming pattern 41 (the holes 42 and unperforated portions 43), which is formed as the key code on the card key 38, is formed in such a shape as to be symmetrical with respect to a center line La as a line segment passing through one corner portion 38a possessed by the card key 38. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
