FR726935A - Perfectionnements aux vis - Google Patents

Perfectionnements aux vis

Info

Publication number
FR726935A
FR726935A FR726935DA FR726935A FR 726935 A FR726935 A FR 726935A FR 726935D A FR726935D A FR 726935DA FR 726935 A FR726935 A FR 726935A
Authority
FR
France
Prior art keywords
enhancements
screw
screw enhancements
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
Other languages
English (en)
French (fr)
Inventor
Warren Frederick Flesselles
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 filed Critical
Application granted granted Critical
Publication of FR726935A publication Critical patent/FR726935A/fr
Expired legal-status Critical Current

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
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/0015—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially rectangular, e.g. one-slot head
    • 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)
  • Connection Of Plates (AREA)
  • Joining Of Building Structures In Genera (AREA)
FR726935D 1930-10-15 1931-11-26 Perfectionnements aux vis Expired FR726935A (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU1934347X 1930-10-15
GB31759/31A GB377538A (en) 1930-10-15 1931-11-16 Improvements in screws
BE384489T 1931-11-25
NL59271A NL30612C (it) 1930-10-15 1931-11-25
FR726935T 1931-11-26

Publications (1)

Publication Number Publication Date
FR726935A true FR726935A (fr) 1932-06-04

Family

ID=40627306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726935D Expired FR726935A (fr) 1930-10-15 1931-11-26 Perfectionnements aux vis

Country Status (5)

Country Link
US (1) US1934347A (it)
BE (1) BE384489A (it)
FR (1) FR726935A (it)
GB (1) GB377538A (it)
NL (1) NL30612C (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676510A (en) * 1950-09-23 1954-04-27 Nat Screw & Mfg Company Screw driver slot with driver wedging means
US4033244A (en) * 1976-04-27 1977-07-05 Ralph Spencer Jacobson Screw and screw driver
GB2131114A (en) * 1982-11-25 1984-06-13 Chang Chung Hsing Screw and screwdriver
US5582548A (en) * 1990-04-10 1996-12-10 Czegledi; Imre Method of manufacture of anti-slip fastener
US5236235A (en) * 1992-06-29 1993-08-17 Chautauqua Hardware Company Concealed screw rose mounting system
US5403139A (en) * 1993-02-01 1995-04-04 Snap-On Incorporated Sliding latch mechanism for a cabinet drawer
US5562547A (en) * 1994-08-12 1996-10-08 Borzone; Richard Self-attachment screw
US6554173B1 (en) * 1997-02-21 2003-04-29 Neil L. Currie Robertson driver
USD1015859S1 (en) * 2021-12-21 2024-02-27 Hoffman Enclosures, Inc. Fastener

Also Published As

Publication number Publication date
NL30612C (it) 1933-08-15
US1934347A (en) 1933-11-07
GB377538A (en) 1932-07-28
BE384489A (it) 1931-12-31

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