GB382530A - Improvements in or relating to power driven hand tools - Google Patents
Improvements in or relating to power driven hand toolsInfo
- Publication number
- GB382530A GB382530A GB7899/32A GB789932A GB382530A GB 382530 A GB382530 A GB 382530A GB 7899/32 A GB7899/32 A GB 7899/32A GB 789932 A GB789932 A GB 789932A GB 382530 A GB382530 A GB 382530A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- power driven
- hand tools
- flywheel
- driven hand
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
382,530. Cooling motors. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. March 17, 1932, No. 7899. Convention date, Oct. 19, 1931. [Class 35.] In a power-driven, rotary screwdriver a small electric motor b is arranged in a casing a which forms the handle of the device and the additional energy required to drive home the screw is supplied by a flywheel d on the motor shaft c. The flywheel also acts as a fan for the motor through the provision of inclined and outwardly directed openings e therein.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE382530X | 1931-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB382530A true GB382530A (en) | 1932-10-27 |
Family
ID=6359540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7899/32A Expired GB382530A (en) | 1931-10-19 | 1932-03-17 | Improvements in or relating to power driven hand tools |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB382530A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0271902A2 (en) * | 1986-12-17 | 1988-06-22 | SPS TECHNOLOGIES, Inc. | Method of and apparatus for tightening screw-threaded fasteners |
GB2476374A (en) * | 2009-12-15 | 2011-06-22 | Bosch Gmbh Robert | Inertia system in the drive train of a power hand tool |
-
1932
- 1932-03-17 GB GB7899/32A patent/GB382530A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0271902A2 (en) * | 1986-12-17 | 1988-06-22 | SPS TECHNOLOGIES, Inc. | Method of and apparatus for tightening screw-threaded fasteners |
EP0271902A3 (en) * | 1986-12-17 | 1990-01-10 | SPS TECHNOLOGIES, Inc. | Method of and apparatus for tightening screw-threaded fasteners |
GB2476374A (en) * | 2009-12-15 | 2011-06-22 | Bosch Gmbh Robert | Inertia system in the drive train of a power hand tool |
CN102107423A (en) * | 2009-12-15 | 2011-06-29 | 罗伯特.博世有限公司 | Hand-held power tool |
GB2476374B (en) * | 2009-12-15 | 2012-02-29 | Bosch Gmbh Robert | Inertia system in the drive train of a power hand tool |
US8857536B2 (en) | 2009-12-15 | 2014-10-14 | Robert Bosch Gmbh | Hand-held power tool |
CN102107423B (en) * | 2009-12-15 | 2015-10-07 | 罗伯特.博世有限公司 | Hand held power machine |
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