| 摘要 |
A chuck includes a body having a vertical chamber for slidably receiving a plunger and having a lateral channel for slidably receiving a pair of jaws. The plunger includes a pair of inclined slots for slidably engaging with a pair of inclined extensions extended from the plunger such that the jaws may be moved toward each other or moved away from each other when the plunger is moved along the chamber. The slots include a cylindrical and smooth inner surface and the extensions each includes a cylindrical and smooth outer surface such that the extensions and the slots may be easily manufactured. |
