Power tools with user-selectable operational modes
US-2016354905-A1 · Dec 8, 2016 · US
Power tool
US8944179B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8944179-B2 |
| Application number | US-201113333164-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 21, 2011 |
| Priority date | Dec 27, 2010 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
A power tool that includes a driving motor and a power transmitting mechanism. The power transmitting mechanism includes a first clutch cam part, a second clutch cam part, clutch teeth, a clutch detecting mechanism and a controller that can control the driving motor in a first control mode in which the driving motor is controlled to rotate at a first rotation speed until before the first and second clutch cam parts are engaged with each other at the clutch teeth and in a second control mode in which the driving motor is controlled to rotate at a second rotation speed higher than the first rotation speed after the first and second clutch cam parts are engaged with each other at the clutch teeth.
First claim
Opening claim text (preview).
What we claim is: 1. A power tool comprising a driving motor and a power transmitting mechanism to transmit power of the driving motor to a tool bit to perform a predetermined operation on a workpiece via the tool bit, wherein: the power transmitting mechanism includes: a driving-side member that is rotationally driven by the driving motor, a driven-side member that holds the tool bit, an engagement part that engages the driving-side member and the driven-side member when th…
Assignees
Inventors
Classifications
- B25B21/008Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US8944179B2 cover?
- A power tool that includes a driving motor and a power transmitting mechanism. The power transmitting mechanism includes a first clutch cam part, a second clutch cam part, clutch teeth, a clutch detecting mechanism and a controller that can control the driving motor in a first control mode in which the driving motor is controlled to rotate at a first rotation speed until before the first and se…
- Who is the assignee on this patent?
- Ukai Tomohiro, Matsuura Yuta, Hanai Takamasa, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification B25B21/008. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).