Patent ID: 8057136
Filing Date: 2011-11-15
Classification: B23B,B25B,Y10T

Abstract:
1. A power tool combination comprising: a power driving device including a chuck device attached to a barrel for engaging with a driven tool member, and a control ferrule engaged onto said barrel for controlling said chuck device to engage with and to grip said driven tool member, and including a non-circular member, and a tool device including a housing having a bore formed therein for receiving said driven tool member, and having a compartment formed therein for receiving said barrel, and having a non-circular engaging member provided in said housing for engaging with said non-circular member and for allowing said housing to be rotated and driven by said non-circular member of said power driving device, said tool device including a tool element attached to said housing, and said tool element including an orifice formed therein, and a latch pin slidably attached to said housing and engageable with said orifice of said tool element for latching said tool element to said housing and for preventing said tool element from being rotated relative to said housing.