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    Machine safety guard
    1.
    发明授权
    Machine safety guard 失效
    机械安全卫士

    公开(公告)号：US4357839A

    公开(公告)日：1982-11-09

    申请号：US163080

    申请日：1980-06-26

    申请人： John S. Krejmas

    发明人： John S. Krejmas

    IPC分类号： F16P3/04 ,  F16P3/24

    CPC分类号： F16P3/04 ,  Y10T74/18936 ,  Y10T74/2196 ,  Y10T74/2198

    摘要： Operator access to the zone at which workpieces are struck in a drop hammer is temporarily but reliably blocked by a sturdy mechanical guard throughout every period when the hammer may commence and complete its fall; a unique physical linkage, between the guard and a safety-dog lever which must be manually turned in order to release the hammer, insures that the safety guard must have been shifted from an out-of-the-way position into a protective orientation before the hammer can drop.

    摘要翻译： 操作人员进入工件在落锤中撞击的区域，当锤子开始并完成坠落的每一个时期，暂时可靠地被坚固的机械防护罩阻挡; 一个独特的物理连接，防护罩和安全杆杆之间，必须手动转动以释放锤子，确保安全防护装置必须已经从不经常的位置转移到保护方向前 锤子可以掉下来。

    Double-safety arrangement for a self-propelled hand-guided machine
    7.
    发明授权
    Double-safety arrangement for a self-propelled hand-guided machine 失效
    自行式手动引导机的双重安全布置

    公开(公告)号：US4573543A

    公开(公告)日：1986-03-04

    申请号：US694934

    申请日：1985-01-25

    申请人： Jean M. Bataille

    发明人： Jean M. Bataille

    IPC分类号： E01C19/22 ,  B62D51/00 ,  E01C19/23 ,  E01C19/28 ,  E02D3/026 ,  F16P3/16 ,  F16P3/24 ,  B62D51/04

    CPC分类号： B62D51/002 ,  E01C19/283 ,  E02D3/026 ,  F16P3/16 ,  F16P3/24

    摘要： A double-safety arrangement for a self-propelled, hand-guided machine such as a duplex-vibratory roller equipped with a control column for facilitating control of the machine by an operator. The machine is also equipped with switching linkage actuable for engaging the machine for forward and rearward travel. The linkage has a neutral position to which it returns when no longer actuated for travel and whereat the machine is disengaged and comes to a halt. The double-safety arrangement includes an operating lever having a neutral center position and at least first and second travel positions for forward and rearward travel, respectively. A latching assembly is movable into a latched condition for transmitting the movements of the operating lever to the linkage thereby actuating the latter and into an unlatched condition whereat the linkage means is no longer actuable by the lever. The latching assembly includes a deadman's handle for holding the assembly in the latched condition so long as the handle is held in its actuated position. An override shutoff member provides an override function for bringing the latching assembly into the unlatched condition even while the operator holds the deadman's lever in the actuated position. The override shutoff member can be actuated by the operator, for example, by accidentally falling or when the machine comes into contact with a stationary object.

    摘要翻译： 用于自行式手动引导机器的双重安全装置，例如配有控制柱的双面振动辊，以便于操作者对机器的控制。 该机还配备有切换联动装置，可将机器接合，用于前进和后退。 连杆机构具有中立位置，当不再为行驶而起作用时返回，并且机器脱开并停止。 双重安全装置包括分别具有中立中心位置的操作杆和用于前进和后退行驶的至少第一和第二行进位置。 闩锁组件可移动到锁定状态，用于将操作杆的运动传递到联动装置，从而将操作杆的运动驱动到联动装置上并进入未锁定的状态，其中联动装置不能被杠杆驱动。 闩锁组件包括用于将组件保持在锁定状态的止动器手柄，只要手柄被保持在其致动位置。 超驰关闭构件提供了一种超控功能，即使在操作者将救生员的杠杆保持在致动位置中时，也可以将闩锁组件进入解锁状态。 超驰关闭构件可以由操作者启动，例如，意外掉落或当机器与静止物体接触时。