Hand operated chain block having an improved cover
    1.
    发明授权
    Hand operated chain block having an improved cover 失效
    具有改进盖的手动链条

    公开(公告)号:US6007054A

    公开(公告)日:1999-12-28

    申请号:US71812

    申请日:1998-05-04

    CPC分类号: B66D3/26 B66D3/16

    摘要: To provide a hand operated chain block capable of facilitating the fitting of the brake cover to the related side plate without worsening the appearance of the chain block, a brake cover is provided, at a marginal portion therearound, with a flange portion extending outwardly in the same direction as one side plate to abut with the one side plate, and the flange portion is provided, at a marginal portion therearound, with recesses fittable to the stay bolts. The recesses are brought into engagement with the related stay bolts by fitting the recesses to the related stay bolts, thus enabling the brake cover to be easily fixed in place and also be prevented from being disengaged from the one side plate accidentally.

    摘要翻译: 为了提供一种能够方便地将制动器盖配合到相关侧板而不使链条的外观恶化的手动链条块,在其周围的边缘部分设置有制动器盖,其中凸缘部分在 与一个侧板相同的方向与一个侧板邻接,并且凸缘部分在其周围的边缘部分处设置有可与拉杆螺栓配合的凹部。 通过将凹部装配到相关的拉杆螺栓上,使凹部与相关的拉杆螺栓接合,从而能够容易地将制动器盖固定就位并且防止意外地从一个侧板脱离。

    Hand operated chain block having improved hand wheel
    2.
    发明授权
    Hand operated chain block having improved hand wheel 失效
    手动链条带有改进的手轮

    公开(公告)号:US6032928A

    公开(公告)日:2000-03-07

    申请号:US71544

    申请日:1998-05-04

    IPC分类号: B66D3/16 B66D1/30

    CPC分类号: B66D3/16

    摘要: To provide a hand operated chain block capable of being downsized while enabling a hand chain to be easily wound over a hand wheel without disassembling the hand wheel from a chain block body when the hand chain is seated in the hand wheel, a hooking groove for the hand chain to be hooked is formed in an outer plate of the hand wheel having an inner plate and the outer plate between which the hand chain is fitted. For winding the hand chain over the hand wheel, it is only necessary that after the hand chain is hooked by the hooking groove, the hand wheel is turned.

    摘要翻译: 为了提供一种手动链条块,其能够在手链位于手轮中时将手链容易地卷绕在手轮上而不将手轮从链块体拆卸下来,因此可以使手链小型化, 在具有内板的手轮的外板中形成有钩的手链,并且在其之间安装有手链的外板。 为了将手链卷绕在手轮上,只需要在手链钩挂钩槽后转动手轮。

    Hand operated chain block having an improved load chain device
    3.
    发明授权
    Hand operated chain block having an improved load chain device 失效
    具有改进的负载链装置的手动链条块

    公开(公告)号:US6062543A

    公开(公告)日:2000-05-16

    申请号:US71862

    申请日:1998-05-04

    IPC分类号: B66D3/16 B66D1/30

    CPC分类号: B66D3/16

    摘要: A hand operated chain block which is capable of fixing an end of a load chain of unloading side and also ensuring smooth wind up and down operation of the load chain, while reducing the size of chain block. In the hand operated chain block, the fixing pin is located at a position in a marginal portion around each side plate such that an interval between a chain split and a rotation trail of a tip of an end portion on the loading side of the first link of the load chain rotatably supported by the fixing pin can be made larger than a width of a link of the load chain, and also that when a full length of the load chain of loading side is wound down, an end portion on the loading side of the second link next to the first link can abut with the end portion on the unloading side of the chain guide.

    摘要翻译: 一种手动链条,其能够固定卸载侧的负载链的端部,并且还确保负载链的平滑的卷绕和下降操作,同时减小链条的尺寸。 在手动链条块中,固定销位于围绕每个侧板的边缘部分中的位置处,使得链条分割与第一连杆的装载侧上的端部的末端的旋转轨迹之间的间隔 可以使由固定销可转动地支撑的承载链大于承载链的连杆的宽度,并且当装载侧的负载链的整个长度被卷绕时,装载侧的端部 邻近第一连杆的第二连杆可以与链条引导件的卸载侧上的端部邻接。

    Hoist and traction apparatus
    4.
    发明授权
    Hoist and traction apparatus 有权
    起重机和牵引装置

    公开(公告)号:US5971364A

    公开(公告)日:1999-10-26

    申请号:US176262

    申请日:1998-10-20

    IPC分类号: B66D3/14 B66D1/14

    CPC分类号: B66D3/14

    摘要: In order that an operating lever for a hoist and traction apparatus is combined as a unit to ensure the smooth operations so as to provide an improved workability with achieving a downsizing, a driving member of the hoist and traction apparatus is provided with a non-circular configured part, while also the operating lever is provided with a ratchet wheel having a non-circular fitting hole engageable with the non-circular configured part to be non-rotatable relative thereto and a transmission tooth around its outer periphery; a feed pawl engageable with the ratchet wheel; and a switching mechanism for selectively switching the feed pawl to a normal engagement position, a reverse engagement position, and a free rotation position at which the feed pawl is not engaged with the ratchet wheel in either of the normal and reverse directions. The operating lever combined as a unit enables the apparatus to be downsized, and the switching of the feed pawl to the free rotation position enables the operating lever to be prevented from being rotated together with the load sheave.

    摘要翻译: 为了将用于起重和牵引装置的操作杆作为一个单元组合以确保平稳的操作,以便提供改善的可操作性以实现小型化,提升机和牵引装置的驱动构件设置有非圆形 同时操作杆还具有棘轮,棘轮具有可与非圆形构造部分接合的非圆形嵌合孔,以不可旋转的棘轮和围绕其外周的传动齿; 可与棘轮接合的进给棘爪; 以及切换机构,用于选择性地将进给爪切换到正常接合位置,反向接合位置和自由旋转位置,在该自由旋转位置,进给爪在正反两个方向上不与棘轮接合。 作为一个单元组合的操作杆使装置能够小型化,并且将进给棘爪切换到自由旋转位置使得能够防止操作杆与载重滑轮一起旋转。