A controllable launcher for propelling a payload through a predictable and repeatable trajectory to a desired height. The launcher has an energy source for propelling a carriage and a piston in substantially opposing directions and a controller for controlling the trajectory of the propelled payload to enable the payload to land gently at a safe impact distance from the edge of a destination structure.
申请公布号
US8061343(B2)
申请公布日期
2011.11.22
申请号
US20050255778
申请日期
2005.10.21
申请人
KAMEN DEAN;GRAY LARRY B.;LANIGAN RICHARD J.;DEKA PRODUCTS LIMITED PARTNERSHIP