Patent ID: 9162346
Filing Date: 2015-10-20
Classification: B25B,B25F

Abstract:
1. A multiple size socket comprising: a base with a connecting portion, two pivot portions and a pivot hole formed in each of the pivot portions; a socket body pivoted between the two pivot portions and including a plurality of engaging cavities and an inserting hole aligned with the two pivot holes; and a positioning unit inserted in the two pivot holes and the inserting hole; wherein at least one of the pivot holes is formed around an inner surface thereof with a plurality of shoulder portions, around an inner surface of the inserting holes is formed a plurality of serrations, the positioning unit includes a pin and a positioning assembly, the pin includes a head portion to be abutted against one of the pivot portions, a shaft portion connected to the head portion and inserted through the pivot holes and the inserting hole, a plurality of protrusions formed around the shaft portion and abutted against the shoulder portions, and at least one recess formed in the shaft portion and aligned to the serrations, the positioning assembly includes a spring received in the recess and a ball received in the recess and pushed by the spring against the serrations.