RACHET WHEEL PROVIDED WITH ASYMMETRICAL CIRCULAR ARC RECESSED TEETH OR NON-CIRCULAR ARC RECESSED TEETH AND RACHET TOOL USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a rachet wheel for providing improved structural strength and improved torque.;SOLUTION: This rachet wheel is characterized in that an outer periphery is provided with a plurality of asymmetrical circular-arc recessed teeth, each asymmetrical circular-arc recessed tooth is provided with two sides and an intersection of the two sides, the rachet wheel is provided with a center and dividing an angle formed by a line for connecting the center and the intersection between the two sides into unequal two parts.;COPYRIGHT: (C)2002,JPO