| 摘要 |
<p>A ratchet wrench (100) includes a drive member (20) and a switch (41) rotatably received in a body (10). A pawl (30) is movably received in the body (10) and has first and second sides (33, 34). The second side (34) of the pawl (30) includes a pressing portion (32) having upper and lower sections (37, 38). The pressing portion (32) further includes two pressing sections (35, 36). Two positioning units (42) are mounted between the switch (41) and the second side (34) of the pawl (30). The positioning units (42) press against the upper and lower sections (37, 38) to bias the first side (33) of the pawl (30) to engage with the drive member (20). The positioning units (42) press against one of the pressing sections (35, 36) corresponding to one of two positions of the switch (41).</p> |
