公开(公告)号：US20180361267A1

公开(公告)日：2018-12-20

申请号：US16012897

申请日：2018-06-20

申请人： Wilson BROOKS

发明人： Wilson BROOKS

IPC分类号： A63J1/02 ,  F16M13/02 ,  B66D3/06

摘要： An apparatus for use in rigging stages includes a portable bar sized to extend across standard widths of a tower or a cross beam with a portion extending beyond the side of the tower or beam. A lifting mechanism, such as a block-and-tackle, is attached to the portion to allow a rigger to raise or lower heavy objects. In a method of use, a rigger carries the lifting bar to a desired location on a tower or beam and secures at least one end of the portable bar to one or more cross bars. Then the rigger can raise or lower heavy objects by attaching a flexible line from the lifting mechanism to the object and manipulating the lifting mechanism to assist in moving the heavy object to a desired location.

公开(公告)号：US10894221B2

公开(公告)日：2021-01-19

申请号：US16012897

申请日：2018-06-20

申请人： Wilson Brooks

发明人： Wilson Brooks

IPC分类号： B66D3/06 ,  B66D3/04 ,  A63J1/02 ,  F16M13/02

摘要： An apparatus for use in rigging stages includes a portable bar sized to extend across standard widths of a tower or a cross beam with a portion extending beyond the side of the tower or beam. A lifting mechanism, such as a block-and-tackle, is attached to the portion to allow a rigger to raise or lower heavy objects. In a method of use, a rigger carries the lifting bar to a desired location on a tower or beam and secures at least one end of the portable bar to one or more cross bars. Then the rigger can raise or lower heavy objects by attaching a flexible line from the lifting mechanism to the object and manipulating the lifting mechanism to assist in moving the heavy object to a desired location.