Patent ID: 9393679
Filing Date: 2016-07-19
CPC Classification: B25B

Claim Text:
1. A wrench socket comprising: a first housing making partial contact with a nut; a second housing connected to the first housing and coupled to a handle to apply force to the nut; a marker disposed in the first and second housings for marking a high tension bolt, the nut, and a washer according to a height of the high tension bolt; a gauge disposed in the first and second housings for making contact with the high tension bolt and reciprocating according to a position of the high tension bolt; an elastic part configured to apply elastic force to the gauge according to a position of the gauge; and a position detector disposed in the second housing to detect the position of the gauge, wherein if the position of the gauge is detected by the position detector as being varied by a first length, the marker marks the high tension bolt, the nut, and the washer.