IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0150399
(2014-01-08)
|
등록번호 |
US-9550290
(2017-01-24)
|
우선권정보 |
JP-2007-129089 (2007-05-15); JP-2008-097153 (2008-04-03) |
발명자
/ 주소 |
- Miyazawa, Masamichi
- Hachisuka, Tomohiro
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
27 |
초록
▼
A power tool is provided with a prime mover which causes the tool to rotate and a housing which houses the prime mover. In a back-end face that is positioned on an opposite side on the housing from a tool side, a back-end groove, into which a user can position his/her web between his/her thumb and f
A power tool is provided with a prime mover which causes the tool to rotate and a housing which houses the prime mover. In a back-end face that is positioned on an opposite side on the housing from a tool side, a back-end groove, into which a user can position his/her web between his/her thumb and forefinger, is formed. A pair of side-face grooves, into which the user can place the thumb and forefinger, are formed in both side faces of the housing. A depth changing portion is formed in at least one of the side-face grooves, such that the depth is reduced toward the back-end face of the housing. According to this structure, even when the housing is gripped directly from the back-end face, the user can easily draw up or raise the power tool.
대표청구항
▼
1. A portable power tool, comprising: a prime mover that rotates a tool; anda housing that houses the prime mover, the housing comprising: side-faces;a back-end face that is arranged on an opposite side from the tool and configured to allow a user to grip the housing from a back end of the housing;
1. A portable power tool, comprising: a prime mover that rotates a tool; anda housing that houses the prime mover, the housing comprising: side-faces;a back-end face that is arranged on an opposite side from the tool and configured to allow a user to grip the housing from a back end of the housing; anda pair of side-face grooves formed on the side faces of the housing, the pair of side-face grooves being configured to allow the user to place a thumb and a forefinger into one and another of the pair of side-face grooves respectively when the user grips the housing from the back end face, wherein at least one of the pair of side-face grooves includes a depth changing portion where a depth of the side-face groove decreases toward the back-end of the housing. 2. The portable power tool according to claim 1, wherein each of the pair of side-face grooves includes the depth changing portion. 3. The portable power tool according to claim 1, wherein the at least one of the pair of side-face grooves further includes a constant-depth portion where a depth of the side-face groove is substantially constant along a longitudinal direction of the side-face groove, the constant-depth portion extending from the depth changing portion toward an opposite side from the back-end face of the housing. 4. The portable power tool according to claim 1, wherein at least one protrusion is formed in at least one of the pair of side-face grooves. 5. The portable power tool according to claim 4, wherein at least one protrusion is formed within the depth changing portion. 6. The portable power tool according to claim 4, wherein the at least one protrusion is made of a material softer than a material of the housing. 7. The portable power tool according to claim 4, wherein the at least one protrusion is in a V-shape tapered toward the back-end face of the housing from both end portions of the V-shape to an intermediate portion of the V-shape. 8. The portable power tool according to claim 1, wherein the housing further comprises a back-end groove formed on the back-end face of the housing and configured to allow the user to place a web between the thumb and the forefinger of the user when the user grips the housing from the back end face. 9. The portable power tool according to claim 8, wherein the housing further comprises a flange portion protruding from the housing and forming an upper rim of the back-end groove. 10. The portable power tool according to claim 8, wherein the back-end groove and the pair of side-face grooves are formed in a series such that the back-end groove is located between the pair of side-face grooves. 11. A portable power tool, comprising: a prime mover that rotates a tool; anda housing that houses the prime mover, the housing comprising: side-faces;a back-end face that is arranged on an opposite side from the tool and configured to allow a user to grip the housing from a back end of the housing; anda pair of side-face grooves formed on the side faces of the housing, the pair of side-face grooves being configured to allow the user to place a thumb and a forefinger into one and another of the pair of side-face grooves, respectively, wherein at least one of the pair of side-face grooves includes a depth changing portion where a distance from a rotation axis of the tool to a deepest portion of the side-face groove increases along a longitudinal direction of the side-face groove toward the back-end of the housing in a plane view. 12. The portable power tool according to claim 11, wherein each of the pair of side-face grooves includes the depth changing portion. 13. The portable power tool according to claim 11, wherein the at least one of the pair of side-face grooves further includes a constant-depth portion where a depth of the side-face groove is substantially constant along a longitudinal direction of the side-face groove, the constant-depth portion extending from the depth changing portion toward an opposite side from the back-end face of the housing. 14. The portable power tool according to claim 11, wherein at least one protrusion is formed in at least one of the pair of side-face grooves. 15. The portable power tool according to claim 14, wherein at least one protrusion is formed within the depth changing portion. 16. The portable power tool according to claim 14, wherein the at least one protrusion is made of a material softer than a material of the housing. 17. The portable power tool according to claim 14, wherein the at least one protrusion is in a V-shape tapered toward the back-end face of the housing from both end portions of the V-shape to an intermediate portion of the V-shape. 18. The portable power tool according to claim 11, wherein the housing further comprises a back-end groove formed on the back-end face of the housing and configured to allow the user to place a web between the thumb and the forefinger of the user when the user grips the housing from the back end face. 19. The portable power tool according to claim 18, wherein the housing further comprises a flange portion protruding from the housing and forming an upper rim of the back-end groove. 20. The portable power tool according to claim 18, wherein the back-end groove and the pair of side-face grooves are formed in a series such that the back-end groove is located between the pair of side-face grooves.
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