IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0707038
(2010-02-17)
|
등록번호 |
US-8267192
(2012-09-18)
|
발명자
/ 주소 |
- Lopano, Daniel N.
- Concari, Gabriel N.
- Netzler, Sion N.
- Lee, Dustin
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
14 인용 특허 :
73 |
초록
▼
An ergonomic handle for use with a power tool defines a first region that includes a switch, adapted to receive a thumb and forefinger when the forefinger is actuating the switch, a second region adapted to receive a middle finger, a third region adapted to receive a ring finger; and a fourth region
An ergonomic handle for use with a power tool defines a first region that includes a switch, adapted to receive a thumb and forefinger when the forefinger is actuating the switch, a second region adapted to receive a middle finger, a third region adapted to receive a ring finger; and a fourth region adapted to receive a pinky finger. Each of the second, third, and fourth region includes a generally oval cross section having a major axis and a minor axis. The longest major axis is in the third region, the shortest major axis is in the fourth region, the shortest minor axis is in the second region, and the longest minor axis is positioned in the fourth region.
대표청구항
▼
1. An ergonomic handle for a power tool having a power source, a housing containing a source of motion, and a tool holder coupled the housing and defining a tool holder axis and a forward direction toward a working end of the tool and rearward direction away from the working end of the tool, the han
1. An ergonomic handle for a power tool having a power source, a housing containing a source of motion, and a tool holder coupled the housing and defining a tool holder axis and a forward direction toward a working end of the tool and rearward direction away from the working end of the tool, the handle comprising: a handle portion having a proximal end coupled to the housing and a distal end coupleable to the power source, and defining, from the proximal end to the distal end, a first region, a second region, a third region, and a fourth region, and defining a handle axis that is generally transverse to the tool holder axis;the first region adjacent to and distal of the proximal end, the first region including a switch for actuating the source of motion and adapted to receive a user's thumb and forefinger when the forefinger is actuating the switch;the second region adjacent to and distal of the first region, and adapted to receive the user's middle finger;the third region adjacent to and distal of the second region, and adapted to receive the user's ring finger; andthe fourth region adjacent to and distal of the third region, and adapted to receive the user's pinky finger,wherein each of the second region, the third region, and the fourth region includes a generally oval cross section having a major axis and a minor axis, where the cross section having the longest major axis is positioned in the third region, the cross section having the shortest major axis is positioned in the fourth region, the cross section having the shortest minor axis is positioned in the second region, and the cross section having the longest minor axis is positioned in the fourth region. 2. The ergonomic handle of claim 1, wherein the distal end defines a rearward-most point on the handle, the rearward-most point being located at or more further rearward than any point on any portion of the second, third, and fourth regions. 3. The ergonomic handle of claim 2, wherein a rearward edge of the second, third, and fourth regions is shaped like a top-half of a parenthesis. 4. The ergonomic handle of claim 1, wherein a proximal end of the second region defines a forward-most point on the second, third, and fourth regions of the handle, the forward-most point located at or more forward than any other point on the second, third, and fourth regions. 5. The ergonomic handle of claim 4, wherein a forward edge of the second, third, and fourth regions has a shape like a bottom half of a parenthesis, with a slight curvature in the forward direction at a distal end of the bottom half of the parenthesis. 6. The ergonomic handle of claim 1, wherein the first region has a thumb-forefinger recess on a rearward portion of the first region. 7. The ergonomic handle of claim 6, wherein the thumb-forefinger recess has a curvature configured to receive a web between the user's thumb and forefinger. 8. The ergonomic handle of claim 7, wherein an imaginary line drawn between a center point of a radius of the thumb-forefinger recess and a center-point of the switch is substantially parallel to the tool holder axis. 9. The ergonomic handle of claim 1, wherein the first region includes a thumb-knuckle recess configured to receive the thumb knuckle of the user. 10. The ergonomic handle of claim 9, wherein when viewed in a cross-section taken generally transverse to the tool holder axis, the thumb-knuckle recess has a curvature opposite to the curvature of the remainder of the handle. 11. The ergonomic handle of claim 1, wherein a rearward portion of the fourth region includes a palm grip relief that is configured to receive hypothenar muscles of the palm. 12. The ergonomic handle of claim 11, wherein when viewed in a cross-section substantially parallel to the tool holder axis, the handle portion has a first generally elliptical shape and the palm grip relief surface has a second, different shape. 13. The ergonomic handle of claim 12, wherein the first generally elliptical shape has a first minor axis centered on a central plane of the handle portion, and the second shape is a second elliptical shape having a minor axis that is not centered on the central plane. 14. The ergonomic handle of claim 13, wherein the minor axis of the second elliptical shape is larger than the minor axis of the first elliptical shape. 15. The ergonomic handle of claim 1, wherein the handle portion includes a finger support ridge that runs along a side of the handle, the finger support ridge starting adjacent to the switch in the first region and extending in a rearward direction substantially parallel to the tool holder axis. 16. The ergonomic handle of claim 15, wherein the finger support ridge further extends through the second and third regions substantially parallel to the handle axis. 17. The ergonomic handle of claim 16, wherein the finger support ridge further extends through the fourth region in a curved section that extends forward and then rearward as it extends distally. 18. The ergonomic handle of claim 1, wherein the housing is substantially transverse to the handle axis. 19. The ergonomic handle of claim 1, wherein the housing is substantially parallel to the handle axis. 20. An ergonomic handle for a power tool having a power source, a housing containing a source of motion, and a tool holder coupled the housing and defining a tool holder axis and a forward direction toward a working end of the tool and rearward direction away from the working end of the tool, the handle comprising: a handle portion having a proximal end coupled to the housing and a distal end coupleable to the power source, and defining, from the proximal end to the distal end, a first region, a second region, a third region, and a fourth region, and defining a handle axis that is generally transverse to the tool holder axis;the first region adjacent to and distal of the proximal end, the first region including a switch for actuating the source of motion and adapted to receive a user's thumb and forefinger when the user's forefinger is actuating the switch;the second region adjacent to and distal of the first region, and adapted to receive the user's middle finger;the third region adjacent to and distal of the second region, and adapted to receive the user's ring finger;the fourth region adjacent to and distal of the third region, and adapted to receive the user's pinky finger; and whereineach of the second region, the third region, and the fourth region includes a generally oval cross section having a major axis and a minor axis, where the cross section having the longest major axis is positioned in the third region, the cross section having the shortest major axis is positioned in the fourth region, the cross section having the shortest minor axis is positioned in the second region, and the cross section having the longest minor axis is positioned in the fourth region;the distal end defines a rearward-most point on the handle, the rearward-most point being located at or more further rearward than any point on any portion of the second, third, and fourth regions;a proximal end of the second region defines a forward-most point on the second, third, and fourth regions of the handle, the forward-most point located at or more forward than any other point on the second, third, and fourth regions;the first region has a thumb-forefinger recess on a rearward portion of the first region, with a curvature configured to receive a web between the user's thumb and forefinger, and a thumb-knuckle recess configured to receive the thumb knuckle of the user; anda rearward portion of the fourth region includes a palm grip relief that is configured to receive hypothenar muscles of the palm.
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