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FR1090665A - Cylindrical head screw with notches and key for the operation of this screw - Google Patents

Cylindrical head screw with notches and key for the operation of this screw

Info

Publication number
FR1090665A
FR1090665A FR1090665DA FR1090665A FR 1090665 A FR1090665 A FR 1090665A FR 1090665D A FR1090665D A FR 1090665DA FR 1090665 A FR1090665 A FR 1090665A
Authority
FR
France
Prior art keywords
screw
notches
key
cylindrical head
head 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
Other languages
French (fr)
Inventor
Crinello-Tullio-Gino Crinelli
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 FR1090665A publication Critical patent/FR1090665A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1090665D 1953-10-02 1953-10-02 Cylindrical head screw with notches and key for the operation of this screw Expired FR1090665A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1090665T 1953-10-02

Publications (1)

Publication Number Publication Date
FR1090665A true FR1090665A (en) 1955-04-01

Family

ID=9615037

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1090665D Expired FR1090665A (en) 1953-10-02 1953-10-02 Cylindrical head screw with notches and key for the operation of this screw
FR64946D Expired FR64946E (en) 1953-10-02 1953-12-24 Notched cylindrical-head screw, and key to operate this screw

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR64946D Expired FR64946E (en) 1953-10-02 1953-12-24 Notched cylindrical-head screw, and key to operate this screw

Country Status (1)

Country Link
FR (2) FR1090665A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342236A (en) * 1966-03-07 1967-09-19 Isabel Place Self-locking bolt
US3575080A (en) * 1968-12-02 1971-04-13 Patrick M Hannay Fastener wrenching means

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041834A (en) * 1976-08-24 1977-08-16 Illinois Tool Works Inc. Plastic headed fastener assembly
US4361412A (en) * 1979-12-07 1982-11-30 Gregory Stolarczyk Fastener with improved torque transfer surfaces
US4569259A (en) * 1984-04-25 1986-02-11 Rubin Sol R Automobile wheel cover locking bolt and wrench combination

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342236A (en) * 1966-03-07 1967-09-19 Isabel Place Self-locking bolt
US3575080A (en) * 1968-12-02 1971-04-13 Patrick M Hannay Fastener wrenching means

Also Published As

Publication number Publication date
FR64946E (en) 1955-12-14

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