| 摘要 |
A ratchet wrench having a top housing and a first handle cooperating with the top housing; a bottom housing with a cooperating second handle, a ratchet drum disposed within the top housing and the bottom housing and provided with exterior splines and a pair of side bevel gears rotatably mounted on a horizontal shaft in opposed relationship inside the ratchet drum; a top bevel gear attached to the inside of the top housing and extending inside the ratchet drum to engage the side bevel gears; a drive bevel gear engaging the side bevel gears and rotatably positioned on the bottom housing interior, and carrying a socket drive extending from the bottom housing; top and bottom ratchet means mounted on the first and second handles, respectively, and selectively cooperating with the ratchet drum; and a handle lock means for selectively allowing the first and second handles to be manipulated as one handle, or separately to operate the ratchet wrench in a more efficient manner.
|
