Patent ID: 7444908
Filing Date: 2008-11-04
Classification: B25G

Abstract:
1. A tool handle device comprising: a hand grip member including a longitudinal bore formed therein and formed through said hand grip member, and including a first end portion and a second end portion, said hand grip member including an enlarged compartment formed in said second end portion of said hand grip member and communicating with said longitudinal bore of said hand grip member, said compartment of said hand grip member including an inner diameter greater than that of said longitudinal bore of said hand grip member, said hand grip member including an inner peripheral shoulder formed within said longitudinal bore of said hand grip member and located between said longitudinal bore and said compartment of said hand grip member, a shaft engaged in said longitudinal bore of said hand grip member and including a knurled surface formed in an outer peripheral portion thereof for engaging with said hand grip member and for solidly securing to said hand grip member, said shaft including a first end portion having an enlarged head engaged in said compartment of said hand grip member, and including a second end portion engaged in said first end portion of said hand grip member, said shaft including an orifice formed in said second end portion of said shaft, said enlarged head of said shaft including an outer diameter greater than that of said shaft for engaging with of said hand grip member, and said shaft including an outer peripheral shoulder formed between said shaft and said enlarged head for engaging with said inner peripheral shoulder of said hand grip member and for anchoring said shaft to said hand grip member, said shaft including a noncircular segment provided on said first end portion of said shaft and extended out of said second end portion of said hand grip member for engaging with a driving device and for being driven by the driving device, said shaft including a noncircular cavity formed therein and communicating with said orifice of said shaft, said shaft including at least one depression formed therein and laterally formed through said shaft and communicating with said cavity of said shaft, and a tool member including a tool shank detachably engaging into said orifice of said shaft for being rotated and driven by said shaft, said tool member including a noncircular connector for engaging with said cavity of said shaft and for allowing said tool member to be rotated and driven by said shaft of said hand grip member, said tool member including a spring-biased projection engaged therein for engaging with said at least one depression of said shaft and for detachably anchoring said tool member to said shaft, and said shaft including an engaging hole formed in said first end portion of said shaft for engaging with a driving tool and for allowing said shaft of said hand grip member to be selectively rotated and driven by the driving tool.