GB522154A - Improvements in or relating to power operated implements for screwing-up or unscrewing nuts, screws and the like - Google Patents

Improvements in or relating to power operated implements for screwing-up or unscrewing nuts, screws and the like

Info

Publication number
GB522154A
GB522154A GB35103/38A GB3510338A GB522154A GB 522154 A GB522154 A GB 522154A GB 35103/38 A GB35103/38 A GB 35103/38A GB 3510338 A GB3510338 A GB 3510338A GB 522154 A GB522154 A GB 522154A
Authority
GB
United Kingdom
Prior art keywords
screwing
screws
relating
power operated
unscrewing nuts
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
GB35103/38A
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 GmbH
Original Assignee
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 GmbH filed Critical Robert Bosch GmbH
Publication of GB522154A publication Critical patent/GB522154A/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
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/06—Spanners; Wrenches with rigid jaws of socket type
    • B25B13/065—Spanners; Wrenches with rigid jaws of socket type characterised by the cross-section of the socket
    • 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
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0035—Connection means between socket or screwdriver bit and tool

Abstract

522,154. Spanners. BOSCH GES., R. Dec. 2, 1938, No. 35103. Convention date, Dec. 8, 1937. [Class 61 (iii)] [Also in Group XXII] To facilitate the engagement of a power-operated spanner with a nut the inner surface is bevelled at a on a pyramidal surface having an apex angle of less than 90 degrees and penetrating into the flat sides of the wrench.
GB35103/38A 1937-12-08 1938-12-02 Improvements in or relating to power operated implements for screwing-up or unscrewing nuts, screws and the like Expired GB522154A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE522154X 1937-12-08

Publications (1)

Publication Number Publication Date
GB522154A true GB522154A (en) 1940-06-11

Family

ID=6551591

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35103/38A Expired GB522154A (en) 1937-12-08 1938-12-02 Improvements in or relating to power operated implements for screwing-up or unscrewing nuts, screws and the like

Country Status (1)

Country Link
GB (1) GB522154A (en)

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