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    • 1. 发明授权
    • Lifting apparatus and method of use
    • 提升装置及使用方法
    • US08651540B2
    • 2014-02-18
    • US13449124
    • 2012-04-17
    • Timothy E. Daniel
    • Timothy E. Daniel
    • B66C1/54
    • B66C1/54
    • The present invention is a lifting apparatus that includes a master wedge bar, a slave wedge bar, a cam lug and a handle. The master wedge bar and slave wedge bar are configured to be placed in a drilled core in an object to be lifted. The cam lug is pivotally coupled to the master wedge bar and drivingly engages with the slave wedge bar such that upward force applied to a lift end of the cam lug drives the slave wedge downward. The master wedge bar and the slave wedge bar generate an outward force upon the core wall of the object upon the downward movement of the slave wedge bar relative to the master wedge bar such that the apparatus engages the core wall and secures itself in it by friction. A handle is configured to disengage the apparatus from the core wall when lifted upward.
    • 本发明是一种提升装置,其包括主楔形杆,从楔形杆,凸轮凸耳和把手。 主楔形杆和从楔形件被配置成放置在被提升的物体中的钻芯中。 凸轮凸耳枢转地联接到主楔形杆并且与从动楔形杆驱动地接合,使得施加到凸轮凸缘的提升端的向上的力将向下的楔驱动向下。 主楔形杆和从楔形杆在从楔形杆相对于主楔形杆向下移动时在物体的核心壁上产生向外的力,使得装置接合核心壁并通过摩擦固定在其中 。 手柄构造成当向上提起时将装置与芯壁分离。
    • 4. 发明申请
    • LIFTING APPARATUS AND METHOD OF USE
    • 提升装置及使用方法
    • US20130270849A1
    • 2013-10-17
    • US13449124
    • 2012-04-17
    • Timothy E. Daniel
    • Timothy E. Daniel
    • B66C1/54
    • B66C1/54
    • The present invention is a lifting apparatus that includes a master wedge bar, a slave wedge bar, a cam lug and a handle. The master wedge bar and slave wedge bar are configured to be placed in a drilled core in an object to be lifted. The cam lug is pivotally coupled to the master wedge bar and drivingly engages with the slave wedge bar such that upward force applied to a lift end of the cam lug drives the slave wedge downward. The master wedge bar and the slave wedge bar generate an outward force upon the core wall of the object upon the downward movement of the slave wedge bar relative to the master wedge bar such that the apparatus engages the core wall and secures itself in it by friction. A handle is configured to disengage the apparatus from the core wall when lifted upward.
    • 本发明是一种提升装置,其包括主楔形杆,从楔形杆,凸轮凸耳和把手。 主楔形杆和从楔形件被配置成放置在被提升的物体中的钻芯中。 凸轮凸耳枢转地联接到主楔形杆并且与从动楔形杆驱动地接合,使得施加到凸轮凸缘的提升端的向上的力将向下的楔驱动向下。 主楔形杆和从楔形杆在从楔形杆相对于主楔形杆向下移动时在物体的核心壁上产生向外的力,使得装置接合核心壁并通过摩擦固定在其中 。 手柄构造成当向上提起时将装置与芯壁分离。