公开(公告)号：US20060137231A1

公开(公告)日：2006-06-29

申请号：US10542309

申请日：2004-02-05

Applicant: Jonathan James Phillips

Inventor： Jonathan James Phillips

IPC: G09F19/00

CPC classification number: G09F15/0087 ,  G09F15/0056

Abstract: A rotatable sign which consists of at least one rotatably sign portion mounted upon an axle, a base to which one end of the axle is secured, and means for limiting the rotational speed of the rotatable sign portion, preferably in the form of braking means which applies an increasing braking force to the sign as the speed of rotation of the sign increases.

Abstract translation: 一个可旋转的标志，其包括安装在轴上的至少一个可旋转的符号部分，固定有轴的一端的基座，以及用于限制可旋转标志部分的转速的装置，优选地以制动装置的形式， 当符号的旋转速度增加时，对符号施加增加的制动力。