An hydraulically powered grapple clamp having an L-shaped frame member including a crossbeam and a side leg extending from one end of the crossbeam and a movable arm extending from the other end of the crossbeam with a hydraulic ram affixed at the junction of the crossbeam and side leg extending over to the movable arm adapted to move the arm so as to open and close the grapple clamp on an object.
申请公布号
US5209536(A)
申请公布日期
1993.05.11
申请号
US19920829720
申请日期
1992.02.03
申请人
ROGERS, SR., DECEASED, ALBERT B.;ROGERS, LEGAL REPRESENTATIVE, BY ARLENE
发明人
ROGERS, SR., DECEASED, ALBERT B.;ROGERS, LEGAL REPRESENTATIVE, BY ARLENE