| 摘要 |
The present invention provides a locking system that is more secure and theft resistant than traditional key and cylinder systems. A hidden locking system is provided where access to the locking mechanism is hidden from view and cannot be rotated or engaged by screwdrivers, pens or other common tools. In another aspect the present a primary and all related secondary locking systems on an object such as a bicycle. In a further aspect the present invention provides lockup in applications where large and bulky key and cylinder systems are not possible or practical.
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