Core drill
JP2025007658APending Publication Date: 2025-01-17MAKITA CORP
Patent Information
- Application Number
- JP2023109203
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-07-03
- Publication Date
- 2025-01-17
Smart Images
Figure 2025007658000001_ABST
Abstract
To improve the weight balance of a core drill.SOLUTION: A core drill includes: a motor having a stator and a rotor that rotates with respect to the stator; a deceleration mechanism configured to decelerate rotation of the rotor; an output shaft configured to be rotated by rotational force of the rotor transmitted via the deceleration mechanism, in a state where a core bit is attached to the output shaft; a first battery attachment portion to which a first battery pack is attached; and a second battery attachment portion which is connected in series to the first battery attachment portion and to which a second battery pack is attached. Respective rated voltages of the first battery pack and the second battery pack are equal to or higher than 40 V.SELECTED DRAWING: Figure 1
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Citation Information
Patent Citations
US010710172
Core drill assembly
US20220154534A1
Drill Unit With a Motor Unit and a Gear Unit
US20220258256A1