Patent ID: 8720307
Filing Date: 2014-05-13
Classification: B25B

Abstract:
1. A ratchet screwdriver comprising: a handle including a holding end and a connecting end opposite to the holding end; a main body connecting with the connecting end, wherein the main body includes a recess disposed radially and an axial hole disposed axially connecting and in communication with the recess, with the main body further including a position assembly; a shifter including a first pawl, a second pawl, and a plate body having a first surface and a second surface opposite to the first surface, with a first foot and a second foot protruding from the first surface, with the second foot being opposite to the first foot on the first surface, with the first and second pawls located in the recess, wherein the plate body further includes a rib protruding from the second surface opposite to the first and second feet, wherein the first foot abuts against the first pawl and the second foot abuts against the second pawl; a shank including a ratchet portion and a tubular body, with the ratchet portion entering in the recess via the axial hole, with the tubular body able to connect a screwdriver bit; and an adjusting assembly receiving the main body, with the adjusting assembly including a slanting slot, with the slanting slot including a first end and a second end disposed opposite to the first end; wherein the adjusting assembly is rotatable with respect to the main body about an axis extending from the handle to the shank, with the adjusting assembly selectively changed between a first position, a second position, and a third position; wherein the adjusting assembly is in the first position with the rib located between the first and second ends of the slanting slot, with the first and second pawls engaged with the ratchet portion, and with the shank capable of driving the screwdriver bit in a clockwise direction or a counterclockwise direction; wherein the adjusting assembly in the second position with the rib located at the first end of the slanting slot, with the first pawl engaged with the ratchet portion, with the second foot abutting against the second pawl to make the second pawl depart from the ratchet portion, and with the shank capable of driving the screwdriver bit in the clockwise direction; and wherein the adjusting assembly is in the third position with the rib located at the second end of the slanting slot, with the first foot abutting against the first pawl to make the first pawl depart from the ratchet portion, with the second pawl engaged with the ratchet portion, and with the shank capable of driving the screwdriver bit in the counterclockwise direction.