Patent ID: 8516930
Filing Date: 2013-08-27
Classification: B25B

Abstract:
1. A fastener-driving sleeve assembly adapted to be driven by a rotary driving tool to thereby rotate a fastener, the rotary driving tool having a non-circular driving head, said fastener-driving sleeve assembly comprising; a connecting sleeve made of metal and having a tool-connecting portion and a fastener-connecting portion, said tool-connecting portion having a head-receiving hole adapted to engage fittingly the driving head of the rotary driving tool so as to allow for co-rotation of said connecting sleeve with the driving head, said fastener-connecting portion having a fastener-receiving hole adapted to engage fittingly the fastener so as to allow for co-rotation of the fastener with said connecting sleeve; and a reinforcing ring made of metal and sleeved fixedly on said fastener-connecting portion of said connecting sleeve: wherein: