| 摘要 |
A safety signalling device for a mobile unit such as a motorcycle or the like, to facilitate detection of the motorcycle, comprising a hollow housing having a forward light transparent portion for transmitting the light beam of an oncoming vehicle, an air driven, rotary, signalling member mounted in said housing, the housing including apertures therein for passing ambient air to the rotary member to rotate the rotary light reflecting member as the device and motorcycle move forwardly.
|
