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US 9,427,810 B2Granted
Tool holder
OwnerJoong Han Parkinventor
Life of this patent
Estimating the term…
Abstract
Disclosed therein is an adapter-exchangeable type tool holder, which includes an adapter having fastening holes formed therein and a spindle having blocks and bolts detachably mounted to the fastening holes, wherein the blocks are respectively rotatable on hinge pins joined to the spindle, so that the spindle can be easily joined to and separated from the adapter.
Claims11
A tool holder, which receives a rotational force through a spindle (2) driven by an external motor and transfers the rotational force to a rotary tool, the tool holder comprising:
- a body (1);
- the spindle (2) disposed within the body (1), the spindle (2) having blocks (5) being respectively rotatable on hinge pins (7), and bolts (6) being respectively fastened to bolt holes (5a) of the blocks (5);
- and
- an adapter (3) inserted into the spindle (2), the adapter (3) having at least one joining hole (4) formed in one side thereof,
- wherein the adapter (3) is closely fixed to the spindle (2) when the bolts (6) are fastened to the blocks (5),
- wherein each of the bolts (6) has a tapered side formed on a head portion and the joining hole (4) of the adapter (3) has a tapered groove (4a), so that the tapered side of a specific bolt (6) and the tapered groove (4a) of the joining hole (4) for the specific bolt (6) come into contact with each other to adjust the position of the adapter (3) while each of the bolts (6) is joined to a corresponding block (5).
3 more elements
Dependencies are inferred from the claim text.