Equalizing hanger beam
    31.
    发明授权
    Equalizing hanger beam 失效
    平衡吊梁

    公开(公告)号:US3558173A

    公开(公告)日:1971-01-26

    申请号:US3558173D

    申请日:1968-11-04

    申请人: BUCK MFG CO

    发明人: PALM BERNHARD A

    IPC分类号: B66C1/02 B66C1/04

    摘要: AN EQUALIZING HANGER BEAM ARRANGEMENT EMPLOYING A PLURALITY OF LOAD GRIPPING DEVICES WHICH MAY BE EITHER MAGNETIC OR VACUUM, AND WHICH ARE SUPPORTED FROM ONE OR MORE BEAMS OR BEAM ARRANGEMENT BY A SYSTEM OF INTERCONNECTED CHAINS OR SIMILAR FLEXIBLE LINKAGES THAT MAY ASSUME VARIOUS ANGULAR RELATIONSHIPS WITH RESPECT TO EACH OTHER DEPENDING UPON THE ATTITUDE OR CONDITION OF THE LOAD GRIPPED BY THE DEVICES. IN ONE EMBODIMENT SELECTED ONES OF THESE LINKAGES WHICH ARE POSITIONED ADJACENT THE ENDS OF THE BEAM ARE CONNECTED TO A CABLE OR CHAIN WHICH IS SUPPORTED ON THE ENDS OF THE BEAM BY SHEAVES OR PIVOTED MEMBERS THEREBY PROVIDING AUTOMATIC ADJUSTMENT OF THE END LINKAGES OF THE HANGER SYSTEM.