JPWO2020216822A5

JPWO2020216822A5 -

Info

Publication number: JPWO2020216822A5
Application number: JP2021562998A
Authority: JP
Publication date: 2023-02-17

Claims

A handheld power tool (1) for fastening , comprising:
a housing (10) in which is placed a motor coupled to an output axle defining an axial direction (AA);
a torque multiplier (20) attached to the housing at the front end (10a) ;
a first handle portion (30);
A second support handle structure located at the front end (10a) of the housing and extending in a direction parallel to the axial direction to allow a user to support the hand-held power tool at the torque multiplier. (40) and
The handheld power tool further comprises:
a first switch (31) located on said first handle portion (30) and configured to control the supply of energy to said motor;
a second switch (41) configured to control the supply of energy to the motor;
the hand-held power tool operates such that a user of the hand- held power tool requires simultaneous actuation of the first switch and the second switch to energize the motor;
The handheld power tool, wherein the second switch is located on the second support handle structure.

The handheld power tool of claim 1, wherein said second support handle structure is releasably positioned at said front end of said housing.

3. A hand-held power tool according to claim 1 or 2, wherein the second support handle structure is rotatably disposed on the front end of the housing.

The second support handle structure is positioned to extend in a direction parallel to the output axle at a circumferential location relative to the torque multiplier so that a user can move the hand-held motor under the torque multiplier. A handheld power tool according to any one of claims 1 to 3, wherein the power tool can be supported vertically.

5. The hand held power tool of any one of claims 1 to 4, wherein the second support handle structure is located at an axial position coinciding with the axial position of the center of gravity of the hand held power tool.

5. The handheld power tool of claim 4, wherein said first handle portion is arranged to extend at said circumferential location.

7. A handheld power tool according to any preceding claim, wherein the first handle portion is arranged to extend in a direction substantially perpendicular to the output axle.

8. The device of claims 1 to 7, wherein said second support handle structure comprises an elongated gripping portion (42) adapted to support an operator's hand, and a trigger (41) located on said elongated gripping portion. A handheld power tool according to any one of the preceding paragraphs.

9. The handheld power tool of claim 8, wherein the elongated gripping portion adapted to support the hand of the operator comprises a rounded outer surface (42a) adapted to fit the palm of the operator's hand. .

10. A handheld power tool according to claim 8 or 9, wherein the elongated gripping portion further extends circumferentially for less than half the circumference of the torque multiplier .

A handheld power tool according to any preceding claim, wherein the second support handle structure further comprises a mounting ring (43) for mounting the second support handle structure to the housing.

12. The handheld power tool of claim 11, wherein said mounting ring is adapted to be mounted between said housing and said torque multiplier .

13. Any of claims 1 to 12, wherein the hand-held power tool is operable to cut off the energy supply to the motor when at least one of the first and second switches is released. or the hand-held power tool according to item 1.

14. A hand-held power tool according to any preceding claim, wherein the first handle portion is integrally formed with the housing.

15. The hand-held power tool of any one of claims 1-14, wherein the hand-held power tool is a battery powered tool further comprising a battery.