IT962202B - IMPROVEMENT IN THE SCREWS - Google Patents

IMPROVEMENT IN THE SCREWS

Info

Publication number
IT962202B
IT962202B IT52322/72A IT5232272A IT962202B IT 962202 B IT962202 B IT 962202B IT 52322/72 A IT52322/72 A IT 52322/72A IT 5232272 A IT5232272 A IT 5232272A IT 962202 B IT962202 B IT 962202B
Authority
IT
Italy
Prior art keywords
screws
improvement
Prior art date
Application number
IT52322/72A
Other languages
Italian (it)
Original Assignee
Okada J
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 Okada J filed Critical Okada J
Application granted granted Critical
Publication of IT962202B publication Critical patent/IT962202B/en

Links

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/919—Screw having driving contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surgical Instruments (AREA)
  • Jigs For Machine Tools (AREA)
  • Laminated Bodies (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
IT52322/72A 1972-02-28 1972-08-23 IMPROVEMENT IN THE SCREWS IT962202B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47019703A JPS4887247A (en) 1972-02-28 1972-02-28

Publications (1)

Publication Number Publication Date
IT962202B true IT962202B (en) 1973-12-20

Family

ID=12006618

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52322/72A IT962202B (en) 1972-02-28 1972-08-23 IMPROVEMENT IN THE SCREWS

Country Status (15)

Country Link
US (1) US3859888A (en)
JP (1) JPS4887247A (en)
AU (1) AU475880B2 (en)
BE (1) BE795984A (en)
BR (1) BR7206245D0 (en)
CH (1) CH561863A5 (en)
DE (1) DE2241293C3 (en)
DK (1) DK138912B (en)
FR (1) FR2174590A5 (en)
GB (1) GB1327719A (en)
IT (1) IT962202B (en)
NL (1) NL7302545A (en)
NO (1) NO131518C (en)
SE (1) SE395754B (en)
ZA (1) ZA731002B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4093285A (en) * 1976-03-18 1978-06-06 Fayle Paul R Window lock
USD270229S (en) 1980-10-22 1983-08-23 The Eastern Company Tool and operator head for tool-operated lock
USD270424S (en) 1980-10-22 1983-09-06 The Eastern Company Tool operator for tool-operated locks
AT388215B (en) * 1985-07-11 1989-05-26 Sfs Stadler Ag Fastener and driving tool therefor
US4693655A (en) * 1985-08-20 1987-09-15 Shigeru Omori Anti-theft device for vehicle wheels (geared oval nut)
DE19718712C1 (en) * 1997-05-02 1998-10-22 Sfs Ind Holding Ag Screw for connecting thin workpieces
AUPQ158099A0 (en) * 1999-07-12 1999-08-05 Goodcart Pty Limited Security screw
AU752416B2 (en) * 1999-07-12 2002-09-19 Goodcart Pty Limited Security screw
NL1021737C2 (en) * 2002-10-24 2004-04-27 Alcoa Nederland Bv Locking device for e.g. access hatch in lamppost, comprises screw bolt with non round head which can be turned using cap
DE20303978U1 (en) 2003-03-13 2003-05-15 Anton Hummel Verwaltungs Gmbh, 79183 Waldkirch Screw element has operating section which has outer or inner elliptical contour to engage with similarly contoured operating tool
DE102010000083A1 (en) * 2010-01-14 2011-07-28 Ludwig Hettich & Co., 78713 Method and dies for making a screw

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1684096A (en) * 1927-12-27 1928-09-11 James W Hughes Cap nut
FR1255801A (en) * 1960-04-30 1961-03-10 Gewerk Eisenhuette Westfalia Fixing device for interchangeable wear plates for conveyors used in particular in mining operations
US3134291A (en) * 1961-10-09 1964-05-26 South Chester Corp Non-removable screw
US3212392A (en) * 1962-06-22 1965-10-19 Nat Lock Co Cup head screw
US3369441A (en) * 1966-05-04 1968-02-20 Anchor Engineering Co Fastener with tapered tool engaging surfaces
GB1188163A (en) * 1967-04-19 1970-04-15 Jujiro Okada An Elliptically-Headed Screw
JPS4938780B1 (en) * 1970-06-11 1974-10-21

Also Published As

Publication number Publication date
DE2241293C3 (en) 1978-12-14
DE2241293A1 (en) 1973-09-06
ZA731002B (en) 1973-11-28
GB1327719A (en) 1973-08-22
US3859888A (en) 1975-01-14
NO131518C (en) 1975-06-11
NO131518B (en) 1975-03-03
FR2174590A5 (en) 1973-10-12
CH561863A5 (en) 1975-05-15
SE395754B (en) 1977-08-22
NL7302545A (en) 1973-08-30
DE2241293B2 (en) 1977-02-10
JPS4887247A (en) 1973-11-16
DK138912C (en) 1979-04-23
BR7206245D0 (en) 1973-12-13
BE795984A (en) 1973-06-18
AU5215073A (en) 1974-08-15
DK138912B (en) 1978-11-13
AU475880B2 (en) 1976-09-09

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