The present invention relates to a method and devices for mounting and securing a handle (110) on a power driven hand tool (100) The power driven hand tool (100) is provided with a main body (104) comprising a housing (106) with a drive unit for driving a working member of the tool (100), a handle (
The present invention relates to a method and devices for mounting and securing a handle (110) on a power driven hand tool (100) The power driven hand tool (100) is provided with a main body (104) comprising a housing (106) with a drive unit for driving a working member of the tool (100), a handle (110) for user operation of the tool (100), and a connecting part (112) for connecting the handle (110) with the main body (106). Further, a front end of the handle (110) may be inserted into a rear end of the connecting part (112) in a first rotational position in relation to the connecting part (112), and the handle (110) may be rotated into a second rotational position in relation to the connecting part (112). In the second rotational position, the handle (110) and the connecting part (112) are locked to each other by means of an automatic locking mechanism.
대표청구항▼
1. A power driven hand tool comprising: a working member;a main body comprising a housing with a drive unit configured to drive the working member;a handle assembly comprising: a handle comprising a protruding ring and a protrusion, the protrusion extending outwards in a substantially radial directi
1. A power driven hand tool comprising: a working member;a main body comprising a housing with a drive unit configured to drive the working member;a handle assembly comprising: a handle comprising a protruding ring and a protrusion, the protrusion extending outwards in a substantially radial direction from the protruding ring;a connecting part configured to connect the handle to the main body, the connecting part comprising: a recess, wherein the recess is disposed in and extends around a portion of the connecting part and is configured to receive the protrusion of the handle when the handle is in a first rotational position, and wherein in the first rotational position, the handle is not configured to enable operation of the power driven hand tool;a snap fastener configured to indicate that the protrusion of the handle has been inserted far enough into the recess to be rotated within the recess; anda snap locking mechanism configured to secure the protrusion within the recess upon the handle being rotated to a second rotational position thereby connecting the handle within the connecting part, wherein when the handle is in the second rotational position, the handle is configured to enable operation of the power driven hand tool,wherein the second rotational position is located approximately 90 degrees from the first rotational position, andwherein the handle is configured to be detachable from the connecting part. 2. The power driven hand tool of claim 1, wherein the recess extends in a substantially axial direction around the portion of the connecting part. 3. The power driven hand tool of claim 1, wherein the snap fastener is located approximately 180° from the recess. 4. The power driven hand tool of claim 1, wherein the snap locking mechanism is located approximately 90° from the recess. 5. The power driven hand tool of claim 4, wherein in response to the protrusion being secured within the recess by the snap locking mechanism, the handle reaches a predefined continuous angular range of positions in which the handle is configured to enable operation of the power driven hand tool. 6. The power driven hand tool of claim 5, wherein each position of the predefined continuous angular range of positions is located from approximately 90 to 180° from the first rotational position. 7. The power driven hand tool of claim 1, wherein the connecting part is fixedly mounted on the main body. 8. The power driven hand tool of claim 1, wherein the automatic snap locking mechanism comprises a locking tab. 9. The power driven hand tool of claim 1, wherein in the first rotational position, the handle is in a substantially upside-down position. 10. A handle assembly for user operation of a power driven hand tool, the handle assembly comprising: a handle comprising a protruding ring and a protrusion, the protrusion extending outwards in a substantially radial direction from the protruding ring; anda connecting part configured to connect the handle to a main body of the power driven hand tool, the connecting part comprising: a recess, wherein the recess is disposed in and extends around a portion of the connecting part and is configured to receive the protrusion of the handle when the handle is in a first rotational position, and wherein in the first rotational position, the handle is not configured to enable operation of the power driven hand tool;a snap locking mechanism configured to secure the protrusion within the recess upon the handle being rotated to a second rotational position thereby connecting the handle within the connecting part, wherein when the handle is in the second rotational position, the handle is configured to enable operation of the power driven hand tool,wherein the second rotational position is located approximately 90 degrees from the first rotational position, andwherein the handle is configured to be detachable from the connecting part. 11. The handle assembly of claim 10, wherein the recess extends in a substantially axial direction around the portion of the connecting part. 12. The handle assembly of claim 10, wherein the snap fastener is located approximately 180° from the recess. 13. The handle assembly of claim 10, wherein the snap locking mechanism is located approximately 90° from the recess. 14. The handle assembly of claim 13, wherein in response to the protrusion being secured within the recess by the snap locking mechanism, the handle reaches a predefined continuous angular range of positions in which the handle is configured to enable operation of the power driven hand tool. 15. The handle assembly of claim 14, wherein each position of the predefined continuous angular range of positions is located from approximately 90 to 180° from the first rotational position. 16. The handle assembly of claim 10, wherein the connecting part is fixedly mounted on the main body. 17. The handle assembly of claim 10, wherein the automatic snap locking mechanism comprises a locking tab. 18. The handle assembly of claim 10, wherein in the first rotational position, the handle is in a substantially upside-down position.
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이 특허에 인용된 특허 (40)
Causey Warren L. (2468 Lorna Dr. Melbourne FL 32935) Yeager Harvey P. (620 Cheyenne Ave. Melbourne FL 32935) Burchell Clarence (125 Squire Dr. Melbourne FL 32935), Adjustable utility extension handle for electrically powered handtool.
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