A connector structure with a detachable mounting tube comprises a mounting pipe with an inner sliding pipe detachably secured to an end of a connector. The connector structure not only can be provided for insertion of an ordinary screwdriver head to carry out screwing and unscrewing operation. Further,...http://www.google.es/patents/US7306396?utm_source=gb-gplus-sharePatente US7306396 - Connector structure with a detachable mounting tube
Connector structure with a detachable mounting tube
