A mooring buoy including an upwardly mast made of two sections with a spring therebetween, a large ring on a top of the upper section, and the spring permitting the upper section to be tilted over sidewardly.
申请公布号
US4529388(A)
申请公布日期
1985.07.16
申请号
US19820384095
申请日期
1982.06.01
申请人
JONES, DECEASED, ARTHUR P.;PIRRONE, EXECUTOR, BY FRANCINE V.;JONES, EXECUTOR, BY ARTHUR A.;SPECTOR, GEORGE
发明人
JONES, DECEASED, ARTHUR P.;PIRRONE, EXECUTOR, BY FRANCINE V.;JONES, EXECUTOR, BY ARTHUR A.;SPECTOR, GEORGE
