Tool retaining or connecting device
AssigneeHsin Ying Enterprise Co., Ltd.
InventorWen Hung Chiang
Life of this patent
Estimating the term…
Abstract
A tool retaining device includes a housing having an engaging hole and having a chamber for slidably receiving a tool stem, the tool stem includes a socket opening for receiving a tool member which is also slidably engaged in the engaging hole of the housing, for allowing the tool member to be rotated by either the tool stem or the housing. The tool member may also be moved relative to the housing for changeably coupling tool members or tool bits having different lengths, and may be selectively moved into the housing, for allowing another tool element to be selectively engaged with the engaging hole of the housing when the tool member is moved into the housing.
Claims20
A tool retaining device comprising:
- a housing including an engaging hole formed in a first end thereof and having a non-circular cross section, and including a chamber formed therein and communicating with said engaging hole of said housing, a tool stem slidably received in said chamber of said housing and including a socket opening formed therein and having a non-circular cross section, and a tool member engaged into said socket opening of said tool stem and slidably engaged in said engaging hole of said housing, said tool member including a non-circular cross section for engaging with said non-circular engaging hole of said housing and said socket opening of said tool stem and for allowing said tool member to be selectively rotated by said tool stem when said tool member is in a first position and by said housing when said tool member is in a second position, and said tool member being movable relative to said housing and selectively movable into said chamber of said housing.
Dependencies are inferred from the claim text.