IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0195052
(2008-08-20)
|
등록번호 |
US-8376665
(2013-02-19)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Milwaukee Electric Tool Corporation
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
9 |
초록
▼
A rotary cutting system for releasable connection to a power tool, the power tool including a housing, a motor supported in the housing and a drive mechanism driven by the motor, the rotary cutting system comprising a universal shaft having a first shaft end and a second shaft end positioned opposit
A rotary cutting system for releasable connection to a power tool, the power tool including a housing, a motor supported in the housing and a drive mechanism driven by the motor, the rotary cutting system comprising a universal shaft having a first shaft end and a second shaft end positioned opposite the first shaft end, the first shaft end being removably securable to the power tool, and a cutting tool having a first tool end, and a second tool end spaced a distance of at least 3.5 inches from the first tool end and operable to cut a workpiece, the first tool end being removably securable to the second shaft end of the universal shaft.
대표청구항
▼
1. A rotary cutting system for releasable connection to a power tool, the power tool including a housing, a motor supported in the housing and a drive mechanism driven by the motor, the rotary cutting system comprising: a universal shaft having a first shaft end and a second shaft end positioned opp
1. A rotary cutting system for releasable connection to a power tool, the power tool including a housing, a motor supported in the housing and a drive mechanism driven by the motor, the rotary cutting system comprising: a universal shaft having a first shaft end and a second shaft end positioned opposite the first shaft end, the first shaft end being removably securable to the power tool;a cutting tool having a first tool end, and a second tool end spaced a distance of no more than 3.5 inches from the first tool end and operable to cut a workpiece, the first tool end being removably securable to the second shaft end of the universal shaft, wherein the cutting tool is a first cutting tool having a cutting edge of a first size and further comprising a second cutting tool having a cutting edge of a second size different than the first size of the first cutting edge, the second cutting tool being removably securable to the second shaft end of the universal shaft;a housing including a flexible connecting structure for at least partially securing the universal shaft, the first cutting tool and the second cutting tool in the housing; anda fastener including a handle, a flexible cord secured to the housing and the handle, and a locking protrusion extending outwardly from the housing, the handle being engageable with the locking protrusion to secure the housing in a closed position. 2. The rotary cutting system of claim 1, wherein the housing is flexible, and includes a first panel, a second panel and a spine positioned between the first and second panels, the first and second cutting tools being securable to the first panel, and the universal shaft being securable to the spine such that a longitudinal shaft axis extending through the universal shaft between the first and second shaft ends is substantially perpendicular to longitudinal tool axes extending through the first and second cutting tools, when the first and second cutting tools are secured to the first panel. 3. The rotary cutting system of claim 1 and further comprising a locking mechanism positioned adjacent to the second shaft end and operable to removably secure the cutting tool to the universal shaft, the locking mechanism being biased into a locked position. 4. The rotary cutting system of claim 1, wherein the distance between the first and second shaft ends of the universal shaft is greater than the distance between the first and second tool ends of the cutting tool. 5. A rotary cutting tool kit comprising: a universal shaft being removably securable to a power tool;at least two differently sized cutting tools operable to cut differently sized holes in a workpiece when driven by the power tool;wherein a length of the universal shaft between a first shaft end, which is removably securable to a power tool, and a second shaft end is greater than a length of each of the at least two differently sized cutting tools between cutting edges and first tool ends, each of which is selectively securable to the universal shafta housing, a first connecting structure configured to removably secure the at least two differently sized cutting tools to the housing, and a second connecting structure configured to removably secure the universal shaft to the housing; anda fastener including a handle, a flexible cord secured to the housing and the handle, and a locking protrusion extending outwardly from the housing, the handle being engageable with the locking protrusion to secure the housing in a closed position. 6. The rotary cutting tool kit of claim 5, wherein the housing is flexible. 7. The rotary cutting tool kit of claim 5, wherein the first connecting structure includes at least two sleeves configured to removably secure the at least two differently sized cutting tools. 8. The rotary cutting tool kit of claim 5, wherein the housing is collapsible into a storage configuration. 9. The rotary cutting tool kit of claim 5, wherein the housing includes a first panel, a second panel and a spine positioned between the first and second panels, the universal shaft being removably securable to the spine and the at least two differently sized cutting tools being removably securable to the first panel. 10. The rotary cutting tool kit of claim 9, wherein the universal shaft is configured to be removably securable to the spine such that a longitudinal shaft axis extending through the universal shaft between the first and second shaft ends is substantially perpendicular to longitudinal tool axes extending through the at least two differently sized cutting tools when the at least two differently sized cutting tools are removably secured to the first panel. 11. The rotary cutting tool kit of claim 9, wherein the housing is configured to be folded between a storage configuration, in which the first and second panels are substantially parallel and are adjacent to one another, and a display configuration, in which the first and second panels are spaced apart and generally coplanar to one another. 12. The rotary cutting tool kit of claim 9 and further comprising a storage pouch positioned on the second panel. 13. The rotary cutting tool kit of claim 5 and further comprising a carrying handle secured to an exterior of the housing. 14. A method of configuring a rotary cutting tool to cut at least two differently sized holes, the method comprising: operating a power tool including a drive mechanism driven by a motor supported in a housing of the power tool;securing a first shaft end of a universal shaft to the drive mechanism;securing a first cutting tool to a second shaft end of the universal shaft opposite the first shaft end of the universal shaft, the first cutting tool being operable to cut one of the at least two differently sized holes and having a length between a cutting edge and a universal shaft-engaging end of less than a length of the universal shaft between the first and second shaft ends;removing the first cutting tool from the universal shaft;securing a second cutting tool with a differently sized cutting head to that of the first cutting tool, the second cutting tool being operable to cut another of the at least two differently sized holes;storing the universal shaft and one of the first and second cutting tools in a rotary cutting tool kit, the rotary cutting tool kit including a housing, a first connecting structure secured to the housing and sized to removably secure the first and second cutting tools in the housing, and a second connecting structure secured to the housing and sized to removably secure the universal shaft in the housing; andlocking the rotary cutting tool kit in a closed position by engaging a handle to a locking protrusion extending outwardly from the housing, the handle being secured to the housing by a flexible cord. 15. The method of claim 14, wherein the length of the universal shaft is greater than the length of the second cutting tool between a cutting edge and a universal shaft-engaging end of the second cutting tool. 16. The method of claim 14, wherein the first connecting structure includes at least two sleeves, and further comprising inserting the first and second cutting tools into the at least two sleeves to removably secure the first and second cutting tools in the housing. 17. The method of claim 14, wherein the housing includes a first panel, a second panel and a spine positioned between the first and second panels, and further comprising securing the universal shaft to the spine and the first and second cutting tools to the first panel. 18. The method of claim 17, and further comprising folding the rotary cutting tool kit between a storage configuration, in which the first and second panels are substantially parallel and are adjacent to one another, and a display configuration, in which the first and second panels are spaced apart and generally coplanar to one another.
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