| 摘要 |
An improved cylinder lock of the side bar type adapted for keyless locking including a stationary sleeve, a core supported on the sleeve for rotation between a locked position and an unlocked position, a side bar on the core movable between a projecting position and a withdrawn position, and a spring biased notched keeper lever pivotally supported in a recess in the sleeve adjacent the core. The recess in the sleeve extends around a portion of the core so that the latter is rotatable between the locked and unlocked positions with the side bar in the projecting position and the keeper lever has a cam surface thereon which is engageable by the side bar when the core is rotated toward the locked position with the side bar in the projecting position, the side bar then momentarily pivoting the keeper lever to permit the core to achieve the locked position wherein the side bar is captured in the keeper notch and rotation of the core in the opposite direction prevented.
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