GB399094A - Improvements in or relating to screw-drivers - Google Patents

Improvements in or relating to screw-drivers

Info

Publication number
GB399094A
GB399094A GB5500/33A GB550033A GB399094A GB 399094 A GB399094 A GB 399094A GB 5500/33 A GB5500/33 A GB 5500/33A GB 550033 A GB550033 A GB 550033A GB 399094 A GB399094 A GB 399094A
Authority
GB
United Kingdom
Prior art keywords
screw
sleeve
drivers
relating
pins
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
GB5500/33A
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 GB399094A publication Critical patent/GB399094A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02Arrangements for handling screws or nuts
    • B25B23/08Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means

Abstract

399,094. Screwdrivers. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Feb. 23, 1933, No. 5500. Convention date, March 14, 1932. [Class 61 (iii). A screw-holding device for a screwdriver comprises a sleeve c detachably secured in position by ball pins i carried by a springy ring k engaging a groove in a sleeve m in which the screwdriver blade a rotates, the forward end of the sleeve c being provided with pins g mounted in a springy ring e and grooved at h to grip the head of the screw b.
GB5500/33A 1932-03-14 1933-02-23 Improvements in or relating to screw-drivers Expired GB399094A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE399094X 1932-03-14

Publications (1)

Publication Number Publication Date
GB399094A true GB399094A (en) 1933-09-28

Family

ID=6397439

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5500/33A Expired GB399094A (en) 1932-03-14 1933-02-23 Improvements in or relating to screw-drivers

Country Status (1)

Country Link
GB (1) GB399094A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769471A (en) * 1952-03-15 1956-11-06 Cheney Charles William Hand tools for operating worm geared band clips

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769471A (en) * 1952-03-15 1956-11-06 Cheney Charles William Hand tools for operating worm geared band clips

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