Patent ID: 6623220
Filing Date: 2003-09-23
Classification: B23B,Y10S,Y10T

Abstract:
A mandrel assembly for use with a hole saw and a drill bit, comprising:a body having a shank portion and an adapter receiving portion, said adapter receiving portion defining an adapter receiving cavity and including a first wall having a first detent hole extending therethrough; a bit coupler secured to said body, said bit coupler being located within said adapter receiving cavity and defining a drill bit receiving portion, said drill bit receiving portion including a bit receiving cavity and a second wall having a second detent hole extending therethrough; an adapter configured to be received within said adapter receiving cavity, said adapter having an externally threaded portion configured to meshingly engage with a set of internal threads of said hole saw, said adapter further having a first detent groove defined in an outer surface thereof; a first ball detent located within said first detent hole of said body and configured to be received within said first detent groove of said adapter; and a second ball detent located within said second detent hole of said bit coupler and configured to be received within a second detent groove of said drill bit.