GB382530A - Improvements in or relating to power driven hand tools - Google Patents

Improvements in or relating to power driven hand tools

Info

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
Application number
GB7899/32A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch AG
Robert Bosch GmbH
Original Assignee
Robert Bosch AG
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch AG, Robert Bosch GmbH filed Critical Robert Bosch AG
Publication of GB382530A publication Critical patent/GB382530A/en
Expired legal-status Critical Current

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

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.
GB7899/32A 1931-10-19 1932-03-17 Improvements in or relating to power driven hand tools Expired GB382530A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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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