| 摘要 |
<p>The device has left and right levers (1, 2) located in both sides of a timing gear, where the device is protected by a patent law unit that comprises two-handed bending signals and is to be two-handed operated. The device includes two-hand turn signal functions that provide signal for bending both hands. The right lever is moved downwardly when the bending of the hand is performed to right side. The left lever is moved downwardly when bending of hand is performed on left side. The levers automatically jump back into starting position.</p> |
