Spanner structure for turning e.g. bolt, has rotating unit mounted pivotally on drive head of spanner body, and including conical wheel mounted in rotation in receiving chamber and engaged with conical wheel of end of head

摘要

The structure has a spanner body (10) with an end forming a drive head (11) and another end forming a handle (12). A driving mechanism has a stator (21) fixed in the handle, and a rotor (24) fixed on an end of a connecting rod (25). A rotating unit (14) is mounted pivotally on the head, and has a conical wheel (15) mounted in rotation in a receiving chamber (13) and engaged with a conical wheel (26) of an end of the head.