公开(公告)号：US06685209B1

公开(公告)日：2004-02-03

申请号：US10395562

申请日：2003-03-24

申请人： Jack J. Guio

发明人： Jack J. Guio

IPC分类号： B60P310

CPC分类号： B60P3/1083

摘要： A boat trailer having a multi-wheel supported frame and an extendable tongue which facilitates launching a boat into the water. A tongue member has a rear portion connected to and forwardly extending from the frame and a forward portion adapted for releasable connection to a trailer hitch of a tow vehicle. A tongue extension includes two extension members pivotally connected together to a central connecting member and pivotally connected at a corresponding opposite end of each extension member between the forward and rear portions. The extension members are pivotally movable between the upright side-by-side stored position and the deployed position in end-to-end fashion and longitudinally aligned with the forward and rear portions wherein the effective length of the tongue member is extended by an amount equal to the combined length of the extension members.

摘要翻译： 具有多轮支撑框架和可伸长舌头的船拖车，其有助于将船推入水中。 舌构件具有连接到框架并且从框架向前延伸的后部，以及适于可释放地连接到拖车车辆拖车的前部。 舌部延伸部包括两个延伸部件，两个延伸部件一起枢转地连接到中心连接部件上，并且在前后部分之间的每个延伸部件的对应的相对端处枢转地连接。 延伸构件可以在直立并排存储位置和展开位置之间以端对端的方式枢转运动，并且与前部和后部纵向对准，其中舌片构件的有效长度延伸一定的量 到延伸构件的组合长度。