Patent ID: 6457388
Filing Date: 2002-10-01
Classification: B25B

Abstract:
A ratchet wrench comprising:a wrench body (10) having a shank (11), and a drive head (12) mounted on one end of said shank (11), said drive head (12) defining a first receiving space (120), a second receiving space (121), and a third receiving space (123); a ratchet wheel (20) rotatably mounted in said first receiving space (120) of said drive head (12) of said wrench body (10), and having an outer wall provided with first teeth (21); a pawl member (24) movably mounted in said second receiving space (121) of said drive head (12) of said wrench body (10), and having one side provided with second teeth (25) detachably meshing with said first teeth (25) of said ratchet wheel (20), a pivot stub (26) protruding outward therefrom; and a control member (30) including a rotation cylinder (31) rotatably mounted in said third receiving space (123) of said drive head (12) of said wrench body (10), a linking lever (34) secured on a first end of said rotation cylinder (31) and having a pivot hole (340) defined therein, said pivot stub (26) of said pawl member (24) being pivotally received in said pivot hole (340) so as to move said pawl member (24) to engage with or detach from said ratchet wheel (20), and a drive handle (35) secured on a second end of said rotation cylinder (31) for driving said rotation cylinder (31) to rotate.