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    • 12. 发明授权
    • Internal tri-lock bicycle locking system
    • 内三角自行车锁定系统
    • US3774421A
    • 1973-11-27
    • US3774421D
    • 1972-07-17
    • STEPHENS R
    • STEPHENS R
    • B62H5/00B62H5/06B62H5/12B62H5/10E05B71/00
    • B62H5/06B62H5/003B62H5/12Y10T70/5664Y10T70/5876Y10T70/5885
    • A bicycle antitheft device having a bicycle frame comprising a tubing portion, a pair of slidable rods within said tubing portion, one end of one of said rods being adapted to engage the neck of the bicycle fork to prevent the turning thereof, one end of the other of said rods being adapted to engage the sprocket mechanism to prevent the rotation thereof, means within said tubing for biasing said rods so that said ends are not engaged by said neck and sprocket mechanism, a key operated opening external to said tubing and mounted thereon, means for overcoming said means for biasing said rods in operable relation with said key operated opening said means for overcoming causing engagement of said ends of said rods with said neck and sprocket mechanism upon the turning of a key within said key operated opening, an opening in said tubing for receiving a portion of a means for wrapping and retaining the bicycle to a stationary external object, means within said opening in said tubing for engaging said portion of said means for wrapping and retaining, said means for engaging being brought into engagement with said portion by the turning of said key.
    • 一种具有自行车车架的自行车防盗装置,包括管部分,所述管部分内的一对可滑动杆,所述杆中的一个杆的一端适于接合自行车叉的颈部以防止其转动, 所述杆中的另一个适于接合链轮机构以防止其旋转,所述管道内的装置用于偏压所述杆,使得所述端部不被所述颈部和链轮机构接合,在所述管道外部安装的钥匙操作开口 用于克服所述用于将所述杆与所述钥匙操作开口可操作地偏压的装置的装置,所述装置用于克服当所述钥匙操作的开口内的钥匙转动时使所述杆的所述端部与所述颈部和链轮机构接合, 在用于接收用于将自行车包裹并保持在固定的外部物体上的装置的一部分的所述管道中的装置中,用于所述管道的所述开口内的装置 老化所述用于包裹和保持的装置的所述部分,所述用于接合的装置通过所述钥匙的转动而与所述部分接合。