GB377538A - Improvements in screws - Google Patents

Improvements in screws

Info

Publication number
GB377538A
GB377538A GB31759/31A GB3175931A GB377538A GB 377538 A GB377538 A GB 377538A GB 31759/31 A GB31759/31 A GB 31759/31A GB 3175931 A GB3175931 A GB 3175931A GB 377538 A GB377538 A GB 377538A
Authority
GB
United Kingdom
Prior art keywords
screws
flesselles
potts
macdonald
nick
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
GB31759/31A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 to US569040A priority Critical patent/US1934347A/en
Application filed by Individual filed Critical Individual
Priority to GB31759/31A priority patent/GB377538A/en
Priority to BE384489D priority patent/BE384489A/xx
Priority to NL59271A priority patent/NL30612C/xx
Priority to FR726935D priority patent/FR726935A/fr
Publication of GB377538A publication Critical patent/GB377538A/en
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)
GB31759/31A 1930-10-15 1931-11-16 Improvements in screws Expired GB377538A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US569040A US1934347A (en) 1930-10-15 1931-10-15 Screw
GB31759/31A GB377538A (en) 1930-10-15 1931-11-16 Improvements in screws
BE384489D BE384489A (instruction) 1930-10-15 1931-11-25
NL59271A NL30612C (instruction) 1930-10-15 1931-11-25
FR726935D FR726935A (fr) 1930-10-15 1931-11-26 Perfectionnements aux vis

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
NL59271A NL30612C (instruction) 1930-10-15 1931-11-25
BE384489T 1931-11-25
FR726935T 1931-11-26

Publications (1)

Publication Number Publication Date
GB377538A true GB377538A (en) 1932-07-28

Family

ID=40627306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31759/31A Expired GB377538A (en) 1930-10-15 1931-11-16 Improvements in screws

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131114A (en) * 1982-11-25 1984-06-13 Chang Chung Hsing Screw and screwdriver

Families Citing this family (8)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131114A (en) * 1982-11-25 1984-06-13 Chang Chung Hsing Screw and screwdriver

Also Published As

Publication number Publication date
FR726935A (fr) 1932-06-04
BE384489A (instruction) 1931-12-31
US1934347A (en) 1933-11-07
NL30612C (instruction) 1933-08-15

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