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    • 1. 发明专利
    • BATTERY REPLACEMENT AND MAGNETIC PICKUP APPARATUS
    • AU2904292A
    • 1993-05-21
    • AU2904292
    • 1992-10-22
    • CRAWFORD THOMAS C JRJONES WILLIAM T JR
    • THOMAS C. CRAWFORD JRWILLIAM T. JONES JR.
    • B25B9/00B25B11/00
    • An apparatus for removing and replacing small batteries in electronic devices such as hearing aids or handling small magnetic parts has a housing in which a reciprocating shaft is placed having a magnet at one end. When the reciprocating shaft is placed in its extended pickup position, the magnet is brought close to the end of the housing, and into contact with the battery or other magnetic object. Once in contact with the object, the apparatus may be used for manipulation. Once the object is placed where it is to be left, the reciprocating shaft may be moved to a retracted position weakening the magnetic field holding the battery to the end of the apparatus. The reciprocating shaft is moved and locked into its extended and retracted positions with a rotating ratchet mechanism operated with a thumb of the hand that holds the apparatus. A shim in separable parts of the housing makes adjustment of the terminal end position of the magnet possible. A non-magnetic shield member or barrier layer surrounding the magnet at the tip effectively blocks the lateral attraction force so that only the object desired is picked up without disturbing surrounding objects.
    • 3. 发明申请
    • BATTERY REPLACEMENT AND MAGNETIC PICKUP APPARATUS
    • 电池更换和磁选设备
    • WO1993007988A1
    • 1993-04-29
    • PCT/US1992009190
    • 1992-10-22
    • CRAWFORD, Thomas, C., Jr.JONES, William, T., Jr.
    • B23P19/00
    • B25B9/00B25B11/002Y10T29/4973Y10T29/49822Y10T29/53196Y10T29/53909
    • An apparatus (10) for removing and replacing small batteries in electronic devices such as hearing aids or handling small magnetic parts has a housing (15, 35) in which a reciprocating shaft (55) is placed having a magnet at one end. When the reciprocating shaft is extended, the magnet is brought into contact with the battery or other magnetic object. Once in contact with the object, the object is placed where it is to be left and the reciprocating shaft may be moved to a retracted position, thereby weakening the magnetic field holding the battery to the end of the apparatus. The reciprocating shaft is moved and locked into its extended and retracted positions with a rotating ratchet mechanism (53). A non-magnetic shield member (72) surrounding the magnet at the tip effectively blocks the lateral attraction force so that only the object desired is picked up without disturbing surrounding objects.
    • 一种用于移除和更换诸如助听器或处理小型磁性部件的电子设备中的小电池的设备(10)具有一个壳体(15,35),其中在一端具有磁铁的往复轴(55)放置在其中。 当往复轴延伸时,磁体与电池或其他磁性物体接触。 一旦与物体接触,物体被放置在要留下的地方,并且往复轴可以移动到缩回位置,从而削弱将电池保持在设备末端的磁场。 往复运动轴通过旋转的棘轮机构(53)移动并锁定到其延伸和缩回的位置。 围绕尖端的磁体的非磁性屏蔽构件(72)有效地阻挡了侧向吸引力,使得只有拾取所需的物体而不扰乱周围的物体。