IMPROVED INTERNAL LOCKING DEVICE FOR EXTENDABLE TELESCOPIC POLES
    1.
    发明申请
    IMPROVED INTERNAL LOCKING DEVICE FOR EXTENDABLE TELESCOPIC POLES 审中-公开
    改进的用于可扩展电话线的内部锁定装置

    公开(公告)号:US20100310306A1

    公开(公告)日:2010-12-09

    申请号:US12680558

    申请日:2008-09-25

    CPC classification number: B25G1/04 F16B7/1463 Y10T403/32467 Y10T403/40

    Abstract: An internal locking device (11) for a telescopic extendable pole (10) of the type comprising an inner and outer telescopic section (13,12) and a stop (22) on the outer section (13) which prevents detachment of the inner section (13) from the outer section (12). The locking device (11) has a mechanical locking means (18) which can be actuated to lock the two sections (12,13) together and a rotatable collar (24) is provided adjacent the locking means (28) to prevent contact between the stop (22) and the locking means (28).

    Abstract translation: 一种用于可伸缩伸缩杆(10)的内部锁定装置(11),其包括内部和外部伸缩部分(13,12)和在外部部分(13)上的止挡件(22),其防止内部部分 (13)从外部部分(12)移动。 锁定装置(11)具有机械锁定装置(18),其可被致动以将两个部分(12,13)锁定在一起,并且在锁定装置(28)附近提供可旋转的环(24),以防止 止动件(22)和锁定装置(28)。

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