GB1405550A - Headed machine screw and a wrench therefor - Google Patents

Headed machine screw and a wrench therefor

Info

Publication number
GB1405550A
GB1405550A GB588073A GB588073A GB1405550A GB 1405550 A GB1405550 A GB 1405550A GB 588073 A GB588073 A GB 588073A GB 588073 A GB588073 A GB 588073A GB 1405550 A GB1405550 A GB 1405550A
Authority
GB
United Kingdom
Prior art keywords
machine screw
headed machine
wrench
socket
screw
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
GB588073A
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.)
Yamamoto Byora Co Ltd
Original Assignee
Yamamoto Byora Co Ltd
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
Priority claimed from JP1592972U external-priority patent/JPS5350441Y2/ja
Priority claimed from JP10781172U external-priority patent/JPS49109297U/ja
Application filed by Yamamoto Byora Co Ltd filed Critical Yamamoto Byora Co Ltd
Publication of GB1405550A publication Critical patent/GB1405550A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0061—Specially shaped nuts or heads of bolts or screws for rotations by a tool with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction

Abstract

1405550 Socket wrenches YAMAMOTO BIYORA KK 6 Feb 1973 [14 Feb 1972 14 Sept 1972] 5880/73 Heading B3N [Also in Division F2] A socket wrench for use with a screw having round the circumference of its head a number of spaced apart longitudinal grooves of semicircular cross-section (see Division F2) has within the socket recess a number of longitudinal ribs D of semicircular cross-section to engage in the grooves of the screw head.
GB588073A 1972-02-07 1973-02-06 Headed machine screw and a wrench therefor Expired GB1405550A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1592972U JPS5350441Y2 (en) 1972-02-07 1972-02-07
JP10781172U JPS49109297U (en) 1972-09-14 1972-09-14

Publications (1)

Publication Number Publication Date
GB1405550A true GB1405550A (en) 1975-09-10

Family

ID=26352169

Family Applications (1)

Application Number Title Priority Date Filing Date
GB588073A Expired GB1405550A (en) 1972-02-07 1973-02-06 Headed machine screw and a wrench therefor

Country Status (2)

Country Link
DE (1) DE2306991A1 (en)
GB (1) GB1405550A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363022A1 (en) * 1976-08-24 1978-03-24 Illinois Tool Works NON CORRODABLE HEAD SCREW AND ITS SCREWDRIVER
GB2295343A (en) * 1994-11-22 1996-05-29 Boc Group Plc Socket
GB2400061A (en) * 2001-04-17 2004-10-06 Auto Turned Products A key for rotating a fastener

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2515301B1 (en) * 1981-09-14 1986-10-24 Utilisation Ration Gaz IMPROVEMENT IN FLOW LIMITERS FOR GAS BOTTLES
US5647253A (en) * 1995-04-21 1997-07-15 Pozek; Juraj Method and apparatus for a theft resistant fastener
US5762457A (en) * 1995-09-05 1998-06-09 Lide; Thomas E. Threaded fastener with longitudinal grooves
DE102010035755B4 (en) * 2010-08-28 2014-10-30 Norma Germany Gmbh Hose clamp with a clamping screw, clamping screw and tool for driving the clamping screw

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2363022A1 (en) * 1976-08-24 1978-03-24 Illinois Tool Works NON CORRODABLE HEAD SCREW AND ITS SCREWDRIVER
GB2295343A (en) * 1994-11-22 1996-05-29 Boc Group Plc Socket
GB2295343B (en) * 1994-11-22 1998-01-14 Boc Group Plc Handwheel socket
GB2400061A (en) * 2001-04-17 2004-10-06 Auto Turned Products A key for rotating a fastener

Also Published As

Publication number Publication date
DE2306991A1 (en) 1973-09-06

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee