| 摘要 |
A ratchet wheel mounting arrangement for wrench is constructed to include a wrench body with a box at one end, the box of the wrench body having a top inside annular locating groove and a bottom inside annular locating groove, a ratchet wheel mounted in the box, the ratchet wheel having an outward bottom flange engaged into the bottom inside annular locating groove of the box and a top outside locating groove, a stop block adapted to control the direction of rotation of the ratchet wheel, a cover plate put in the top inside annular locating groove of the box, the cover plate having an annular inside locating groove, and a C-shaped retainer ring fastened to the top outside locating groove of the ratchet wheel and the annular inside locating groove of the cover plate to secure them in place.
|
