[미국특허]
Power tool with light emitting assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B25B-023/18
F21V-033/00
B23B-045/00
B25B-021/00
B25F-005/02
출원번호
US-0933625
(2013-07-02)
등록번호
US-8820955
(2014-09-02)
발명자
/ 주소
Dixon, Eva J.
Krout, Daniel L.
Kusmierski, Robert G.
Osborne, Stephen P.
Miller, Amanda
Delcamp, Jeffery D.
Robertson, Corey G.
Friedman, Brian E.
Hatfield, Eric E.
출원인 / 주소
Black & Decker Inc.
대리인 / 주소
Markow, Scott B.
인용정보
피인용 횟수 :
2인용 특허 :
221
초록▼
A power tool includes a housing having a large diameter rear portion and a narrow diameter nosepiece. An end effector is rotatably coupled to the housing. A holder with a substantially annular holder body is received over the nosepiece and non-rotatably coupled to the housing. A substantially annula
A power tool includes a housing having a large diameter rear portion and a narrow diameter nosepiece. An end effector is rotatably coupled to the housing. A holder with a substantially annular holder body is received over the nosepiece and non-rotatably coupled to the housing. A substantially annular cover having at least one transparent surface, and an internal annular groove, is received at least partially inside the holder body, and non-rotatably and axially fixed with respect to the holder. A substantially annular printed circuit board is received at least partially inside the annular groove in the cover, and non-rotatably and axially fixed with respect to the cover. A plurality of lighting elements is operatively connected to the printed circuit board and radially disposed about the printed circuit board. The lighting elements are aligned with the at least one transparent surface so as to illuminate a workpiece.
대표청구항▼
1. A power tool comprising: a housing having a large diameter rear portion and a narrow diameter nosepiece;an end effector rotatably coupled to the housing;a holder having a substantially annular holder body received over the nosepiece and non-rotatably coupled to the housing;a substantially annular
1. A power tool comprising: a housing having a large diameter rear portion and a narrow diameter nosepiece;an end effector rotatably coupled to the housing;a holder having a substantially annular holder body received over the nosepiece and non-rotatably coupled to the housing;a substantially annular cover having at least one transparent surface, and an internal annular groove, the annular cover received at least partially inside the holder body, and non-rotatably and axially fixed with respect to the holder;a substantially annular printed circuit board received at least partially inside the annular groove in the cover, and non-rotatably and axially fixed with respect to the cover; anda plurality of lighting elements operatively connected to the printed circuit board and radially disposed about the printed circuit board, the lighting elements being aligned with the at least one transparent surface so as to illuminate a workpiece. 2. The power tool of claim 1, wherein the lighting elements are a plurality of light emitting diodes radially disposed about the printed circuit board. 3. The power tool of claim 1, wherein a portion of the end effector extends through concentric holes defined by the holder, the cover, and the printed circuit board. 4. The power tool of claim 1, further comprising a first coupler disposed between the holder and the housing, the first coupler preventing axial and rotational displacement of the holder with respect to the housing. 5. The power tool of claim 4, wherein the first coupler comprises a locking flange on the holder and a locking channel on the housing, wherein the locking flange engages the locking channel to prevent axial and rotational displacement of the holder with respect to the housing. 6. The power tool of claim 1, further comprising a second coupler disposed between the printed circuit board and the cover, said second coupler preventing axial and rotational displacement of the printed circuit board with respect to the cover. 7. The power tool of claim 6, wherein the second coupler comprises a notch defined in the printed circuit board and a tab extending from the cover, the tab received in the notch to non-rotatably fix the printed circuit board in the cover. 8. The power tool of claim 7, wherein the tab comprises a heat meltable projection configured to be melted to axially fix the printed circuit board in the cover. 9. The power tool of claim 1, further comprising a third coupler disposed between the holder and the cover, said third coupler preventing axial and rotational displacement of the holder with respect to the cover. 10. The power tool of claim 9, wherein the third coupler comprises a slot defined in the holder and a projection extending from the cover, the projection received in the slot to prevent axial and rotational displacement of the holder with respect to the cover. 11. The power tool of claim 1, further comprising a wire operably coupled to the printed circuit board to deliver power to the lighting elements, and wherein the cover further comprises a chin portion axially and radially outward from the holder body, the chin portion providing a protective case for the wire. 12. The power tool of claim 1, further comprising a coupling member covering the printed circuit board so that the lighting element and the printed circuit board are substantially entrapped by the coupling member and the cover. 13. The power tool of claim 12, wherein the coupling member is axially retained by the holder and attached to the housing. 14. A power tool comprising: a housing;an end effector rotatably coupled to the housing;a substantially annular holder axially and non-rotatably coupled to the housing;a substantially annular cover having a transparent portion, the cover axially and non-rotatably coupled to the holder;a substantially annular printed circuit board having a plurality of light emitting elements and axially and non-rotatably coupled to the cover;a first coupler disposed between the holder and the housing, the first coupler preventing axial and rotational displacement of the holder with respect to the housing;a second coupler disposed between the printed circuit board and the cover, said second coupler preventing axial and rotational displacement of the printed circuit board with respect to the cover;a third coupler disposed between the holder and the cover, said third coupler preventing axial and rotational displacement of the holder with respect to the cover. 15. The power tool of claim 14, wherein at least one of the first coupler, the second coupler, and the third coupler comprises at least one of a heat stake joint, a bayonet joint, and a locking flange. 16. The power tool of claim 14, wherein the first coupler comprises a locking flange on the holder and a locking channel on the housing, wherein the locking flange engages the locking channel to prevent axial and rotational displacement of the holder with respect to the housing. 17. The power tool of claim 14, wherein the second coupler comprises a notch defined in the printed circuit board and a tab extending from the cover, the tab received in the notch to non-rotatably fix the printed circuit board in the cover. 18. The power tool of claim 17, wherein the tab comprises a heat meltable projection configured to be melted to axially fix the printed circuit board in the cover. 19. The power tool of claim 14, wherein the third coupler comprises a slot defined in the holder and a projection extending from the cover, the projection received in the slot to prevent axial and rotational displacement of the holder with respect to the cover. 20. A power tool comprising: a housing;an end effector rotatably coupled to the housing;a substantially annular holder axially and non-rotatably coupled to the housing;a substantially annular cover having a transparent portion, the cover axially and non-rotatably coupled to the holder;a substantially annular printed circuit board having a plurality of light emitting elements and axially and non-rotatably coupled to the cover;a locking flange on the holder and a locking channel on the housing, wherein the locking flange engages the locking channel to prevent axial and rotational displacement of the holder with respect to the housing;a notch defined in the printed circuit board and a tab extending from the cover, the tab received in the notch to non-rotatably fix the printed circuit board in the cover, wherein the tab comprises a heat meltable projection configured to be melted to axially fix the printed circuit board in the cover; anda slot defined in the holder and a projection extending from the cover, the projection received in the slot to prevent axial and rotational displacement of the holder with respect to the cover.
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