Patent ID: 7216568
Filing Date: 2007-05-15
Classification: B25B

Abstract:
1. A ratchet socket spanner comprising: a handle having a driving head at one end; the driving head having a penetrating hole for receiving a socket; the driving head having a receiving groove which is communicated to the penetrating hole; the receiving groove serving for receiving a teethed block; a socket having a stepped structure formed by a first end portion and a second end portion; the first end portion being wholly received in the penetrating hole; a periphery of the first end portion having ratchet teeth which is engageable with the teethed block in the receiving groove; an inner side of the first end portion being formed with a first engaging portion, for movably receiving a push unit; the push unit being retained in the penetrating hole; the second end portion protruding out of the penetrating hole; an inner side of the second end portion being a second engaging portion; and wherein the push unit having flanges at an upper side and a lower side thereof, each flanged has a plurality of teeth; the push unit being retained in the penetrating hole by the confinement of a C ring.