公开(公告)号：US20170306644A1

公开(公告)日：2017-10-26

申请号：US15137616

申请日：2016-04-25

申请人： Lee Shannon HOFFMAN

发明人： Lee Shannon HOFFMAN

IPC分类号： E04H17/26

CPC分类号： E04H17/263

摘要： An apparatus for driving a post into the earth has a frame with an upright member in which the upright member has a slot extending longitudinally on a surface thereof, a receptacle translatably positioned in the slot, a hammer member translatably positioned in the slot of a location above the receptacle, a sheave affixed to the frame in a position above the hammer member, and a line affixed to the hammer member and extending over the sheave. The receptacle has an interior adapted to receive an upper end of the post therein. The line has an end opposite the hammer member adapted to be manually pulled so as to lift the hammer member upwardly and to be released so as to cause the hammer member to contact the receptacle.

公开(公告)号：US20230406468A1

公开(公告)日：2023-12-21

申请号：US18035679

申请日：2021-10-29

申请人： Christopher Price ,  Lee Shannon ,  Paul Leary

发明人： Christopher Price ,  Lee Shannon ,  Paul Leary

IPC分类号： B63C11/26 ,  B63B22/04 ,  B63B45/04

CPC分类号： B63C11/26 ,  B63B22/04 ,  B63B45/04 ,  H01Q1/34

摘要： A diving safety system comprising a floatation buoy acting as a diving line spool, a slip ring within the buoy containing components of a wired and/or wireless electrical communication system allowing an underwater diver to communicate with a boat or shore-based persons, with a method of use.