| 摘要 |
PURPOSE: An electric screw driving tool is provided to prevent chattering due to inexact strike by promptly connecting a striker and a connector, to prevent malfunction, the reduction of life, and noise due to abrasion, and to allow all users to use conveniently. CONSTITUTION: An electric screw driving tool includes a housing(10), an inertial wheel(6), a spindle(4), a striker(3) and an acceleration part. The housing has an on-off switch(1) and is divided into a motor chamber(8) and a component chamber(7). The inertial wheel is rotatably mounted in the component chamber and connected with a shaft of a motor. The spindle is rotatably mounted between the inertial wheel and the component chamber and has a connector provided on an outer circumference and a socket mounted in front. The striker is mounted on the inertial wheel to strike the connector and returned back to an original position by a returning spring provided between the striker and the inertial wheel. The acceleration part for promptly accelerating turning of the striker.
|
