IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0191943
(2011-07-27)
|
등록번호 |
US-8713805
(2014-05-06)
|
발명자
/ 주소 |
- Schneider, Daniel H.
- Fischer, Scott R.
|
출원인 / 주소 |
- Milwaukee Electric Tool Corporation
|
대리인 / 주소 |
Michael Best & Friedrich LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
70 |
초록
▼
A hand cutting tool includes a handle lock assembly configured to retain handles of the cutting tool in a closed position. The handle lock assembly includes a latch that pivots with respect to a first handle about a latch axis from a locked position to an unlocked position and a pin manually movable
A hand cutting tool includes a handle lock assembly configured to retain handles of the cutting tool in a closed position. The handle lock assembly includes a latch that pivots with respect to a first handle about a latch axis from a locked position to an unlocked position and a pin manually movable with respect to a second handle between an engaged position and a released position. In a latched position of the handle lock assembly, the latch is in the locked position and engages the pin in the engaged position to retain the second handle in the closed position, and in an unlatched position of the handle lock assembly, the latch is in the unlocked position and is disengaged from the pin in response to the pin being manually moved to the released position to allow the second handle to move toward the open position.
대표청구항
▼
1. A hand cutting tool comprising: a first cutting blade;a second cutting blade pivotally coupled to the first cutting blade such that the second cutting blade pivots with respect to the first cutting blade about a pivot axis;a first handle;a second handle pivotally coupled to the first handle such
1. A hand cutting tool comprising: a first cutting blade;a second cutting blade pivotally coupled to the first cutting blade such that the second cutting blade pivots with respect to the first cutting blade about a pivot axis;a first handle;a second handle pivotally coupled to the first handle such that the second handle pivots with respect to the first handle from an open position to a closed position to pivot the second cutting blade toward the first cutting blade to cut a work-piece and the second handle pivots with respect to the first handle from the closed position to the open position to pivot the second cutting blade away from the first cutting blade;a handle lock assembly configured to retain the second handle in the closed position, the handle lock assembly including, a latch pivotally coupled to the first handle such that the latch pivots with respect to the first handle about a latch axis from a locked position to an unlocked position and the latch pivots with the first handle with respect to the second handle, anda pin movably coupled to the second handle such the pin is manually movable with respect to the second handle between an engaged position and a released position and the pin pivots with the second handle with respect to the first handle,wherein in a latched position of the handle lock assembly, the latch is in the locked position and engages the pin in the engaged position to retain the second handle in the closed position, andwherein in an unlatched position of the handle lock assembly, the latch is in the unlocked position and is disengaged from the pin in response to the pin being manually moved to the released position to allow the second handle to move toward the open position. 2. The hand cutting tool of claim 1, wherein the latch includes a hook. 3. The hand cutting tool of claim 2, wherein the handle lock assembly further includes a button coupled to the pin to move the pin from the engaged position to the released position along a pin axis. 4. The hand cutting tool of claim 3, wherein the pin axis is parallel to the pivot axis. 5. The hand cutting tool of claim 2, wherein the pin includes a first portion having a first diameter and a second portion having a second diameter larger than the first diameter, wherein the second portion of the pin is received within the hook when the handle lock assembly is in the latched position to retain the latch in the locked position, and wherein when the first portion of the pin is positioned within the hook, the latch moves toward the unlocked position. 6. The hand cutting tool of claim 1, wherein the pin is slidably coupled to the second handle such that the pin slides with respect to the second handle along a pin axis. 7. The hand cutting tool of claim 6, wherein the pin axis is parallel to the pivot axis. 8. The hand cutting tool of claim 1, further comprising a first biasing member that biases the latch toward the unlocked position and a second biasing member that biases the pin toward the engaged position. 9. The hand cutting tool of claim 8, wherein the first biasing member causes the latch to automatically move to the unlocked position and disengage the pin when the pin is manually moved from the engaged position to the released position. 10. The hand cutting tool of claim 1, wherein the second handle includes a first side wall, a second side wall, and an interior space between the first side wall and the second side wall, and wherein the latch engages the pin within the interior space of the second handle. 11. The hand cutting tool of claim 10, wherein the first handle includes a first side wall, a second side wall, and an interior space between the first side wall and the second side wall, and wherein the latch is pivotally coupled to the first handle within the interior space between the first and second side walls of the first handle. 12. A hand cutting tool comprising: a first cutting blade;a second cutting blade pivotally coupled to the first cutting blade such that the second cutting blade pivots with respect to the first cutting blade about a pivot axis;a first handle;a second handle pivotally coupled to the first handle such that the second handle pivots with respect to the first handle from an open position to a closed position to pivot the second cutting blade toward the first cutting blade to cut a work-piece and the second handle pivots with respect to the first handle from the closed position to the open position to pivot the second cutting blade away from the first cutting blade;a handle lock assembly configured to retain the second handle in the closed position, the handle lock assembly including, a first latch member pivotally coupled to the first handle such that the first latch member pivots with respect to the first handle about a latch axis from a locked position to an unlocked position and the first latch member pivots with the first handle with respect to the second handle, anda second latch member slidably coupled to the second handle such the second latch member is manually slidable with respect to the second handle along a latch member axis between an engaged position and a released position and the second latch member pivots with the second handle with respect to the first handle,wherein in a latched position of the handle lock assembly, the first latch member is in the locked position and engages the second latch member in the engaged position to retain the second handle in the closed position, andwherein in an unlatched position of the handle lock assembly, the first latch member is in the unlocked position and is disengaged from the second latch member in response to the second latch member being manually slid along the latch member axis to the released position to allow the second handle to move toward the open position. 13. The hand cutting tool of claim 12, wherein the latch member axis is parallel to the pivot axis. 14. The hand cutting tool of claim 12, wherein the first latch member includes a hook, and wherein the second latch member includes a pin that is received by the hook when the handle lock assembly is in the latched position. 15. The hand cutting tool of claim 14, wherein the handle lock assembly further includes a button coupled to the pin to move the pin from the engaged position to the released position along the latch member axis. 16. The hand cutting tool of claim 14, wherein the pin includes a first portion having a first diameter and a second portion having a second diameter larger than the first diameter, wherein the second portion of the pin is received within the hook when the handle lock assembly is in the latched position to retain the hook in the locked position, and wherein when the first portion of the pin is positioned within the hook, the hook moves toward the unlocked position. 17. The hand cutting tool of claim 12, further comprising a first biasing member that biases the first latch member toward the unlocked position and a second biasing member that biases the second latch member toward the engaged position. 18. The hand cutting tool of claim 17, wherein the first biasing member causes the first latch member to automatically move to the unlocked position and disengage the second latch member when the second latch member is manually moved from the engaged position to the released position. 19. The hand cutting tool of claim 12, wherein the second handle includes a first side wall, a second side wall, and an interior space between the first side wall and the second side wall, and wherein the first latch member engages the second latch member within the interior space of the second handle. 20. The hand cutting tool of claim 19, wherein the first handle includes a first side wall, a second side wall, and an interior space between the first side wall and the second side wall, and wherein the first latch member is pivotally coupled to the first handle within the interior space between the first and second side walls of the first handle.
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