Patent ID: 6973858

Claim:
A socket assembly, comprising: an inner sleeve; an outer sleeve movably mounted on the inner sleeve; a space defined between the inner sleeve and the outer sleeve; and an attachment device mounted in the inner sleeve; wherein the inner sleeve has a first end formed with an insertion recess for insertion of a screwdriver head which has a periphery formed with an annular positioning groove formed around a periphery of the screwdriver head; and wherein the inner sleeve has an outer wall formed with two spaced through holes each communicating with the insertion recess, the outer sleeve has an inner wall having a first end formed with an arcuate resting corner rested on the outer wall of the inner sleeve, and the socket assembly further comprises an elastic locking member mounted in the space between the inner sleeve and the outer sleeve and has two ends each formed with a bent portion rested on the arcuate resting corner or the inner wall of the outer sleeve and a locking portion extended through a respective one of the two through holes into the insertion recess of the inner sleeve and locked in the positioning groove of the screwdriver head.