JPS6232787Y2 - - Google Patents
Info
- Publication number
- JPS6232787Y2 JPS6232787Y2 JP18938580U JP18938580U JPS6232787Y2 JP S6232787 Y2 JPS6232787 Y2 JP S6232787Y2 JP 18938580 U JP18938580 U JP 18938580U JP 18938580 U JP18938580 U JP 18938580U JP S6232787 Y2 JPS6232787 Y2 JP S6232787Y2
- Authority
- JP
- Japan
- Prior art keywords
- motor
- power tool
- switching element
- circuit
- transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000002159 abnormal effect Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 description 13
- 101150066742 TRI1 gene Proteins 0.000 description 11
- 101150054213 PUT1 gene Proteins 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18938580U JPS6232787Y2 (enrdf_load_stackoverflow) | 1980-12-29 | 1980-12-29 | |
| US06/314,419 US4504769A (en) | 1980-10-28 | 1981-10-23 | Electrically-powered tool |
| DE19813142749 DE3142749A1 (de) | 1980-10-28 | 1981-10-28 | Elektrisch angetriebenes werkzeug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18938580U JPS6232787Y2 (enrdf_load_stackoverflow) | 1980-12-29 | 1980-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57112881U JPS57112881U (enrdf_load_stackoverflow) | 1982-07-13 |
| JPS6232787Y2 true JPS6232787Y2 (enrdf_load_stackoverflow) | 1987-08-21 |
Family
ID=29993479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18938580U Expired JPS6232787Y2 (enrdf_load_stackoverflow) | 1980-10-28 | 1980-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6232787Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232776A (ja) * | 1983-05-27 | 1984-12-27 | 日立工機株式会社 | 電動工具 |
-
1980
- 1980-12-29 JP JP18938580U patent/JPS6232787Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57112881U (enrdf_load_stackoverflow) | 1982-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4504769A (en) | Electrically-powered tool | |
| EP2947765B1 (en) | Electronic braking for a universal motor in a power tool | |
| EP0021434B1 (en) | Overspeed protective apparatus for a portable tool | |
| CA1130423A (en) | Disconnect and overload bypass arrangement for a portable tool | |
| GB2406005A (en) | Torque limiting device for an electric motor | |
| US3611095A (en) | Speed control and overload protection device for an electric power tool | |
| CN218788734U (zh) | 动力工具及用于动力工具的制动系统 | |
| GB2400990A (en) | Braking device for an electric motor | |
| US3693047A (en) | Apparatus for protecting electrical devices | |
| CN107306107B (zh) | 电动作业机 | |
| JPS6232787Y2 (enrdf_load_stackoverflow) | ||
| US5708333A (en) | Series-wound motor with a braking element | |
| EP3352368B1 (en) | Angle grinder, power tool and braking method thereof | |
| GB2283378A (en) | Thermal protection for electric motor | |
| US5984070A (en) | Overheating protection device for rotational control apparatus | |
| US3646396A (en) | Overload protection system for dc motors | |
| US5237248A (en) | Control circuit having double-pole double-throw switching device for electrically powered tool | |
| JPS644435B2 (enrdf_load_stackoverflow) | ||
| US3963962A (en) | Motor protector | |
| JP6519354B2 (ja) | 動力工具 | |
| JP2006166601A (ja) | 電動工具の保護装置 | |
| US4440277A (en) | Implement clutch and brake control | |
| JPH05220677A (ja) | 電動工具の保護装置 | |
| US10778138B2 (en) | Drilling device and method for operating a drilling device | |
| JP2008524980A (ja) | 電子制動スイッチを備えた電動機用制御回路 |