FR64946E - Notched cylindrical-head screw, and key to operate this screw - Google Patents

Notched cylindrical-head screw, and key to operate this screw

Info

Publication number
FR64946E
FR64946E FR64946DA FR64946E FR 64946 E FR64946 E FR 64946E FR 64946D A FR64946D A FR 64946DA FR 64946 E FR64946 E FR 64946E
Authority
FR
France
Prior art keywords
screw
key
operate
notched cylindrical
head
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 FR64946E publication Critical patent/FR64946E/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
FR64946D 1953-10-02 1953-12-24 Notched cylindrical-head screw, and key to operate this screw Expired FR64946E (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR64946E true FR64946E (en) 1955-12-14

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 Before (1)

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

Country Status (1)

Country Link
FR (2) FR1090665A (en)

Cited By (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

Families Citing this family (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

Cited By (4)

* 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
FR2363022A1 (en) * 1976-08-24 1978-03-24 Illinois Tool Works NON CORRODABLE HEAD SCREW AND ITS SCREWDRIVER
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

Also Published As

Publication number Publication date
FR1090665A (en) 1955-04-01

Similar Documents

Publication Publication Date Title
FR1184009A (en) Stabilized straight chain hydrocarbons
FR64946E (en) Notched cylindrical-head screw, and key to operate this screw
FR1094542A (en) Advanced writing instrument
FR1115574A (en) Operating handle
FR1101662A (en) Improvements to screw conveyors
FR1062373A (en) Curved Tie Screw
FR1071530A (en) Closing knife, with stopper
FR1092449A (en) Improvements made to slide closures
FR1101092A (en) Hair dye enhancements
FR1139516A (en) Mechanism for cutting screw threads
SU69891A1 (en) Keyboard instrument
CH319313A (en) Threading lathe
FR1072636A (en) Adjustable wrench
FR1091134A (en) Stopcock
FR1076800A (en) Advanced diverter with intermediate stable breaking point
FR1075381A (en) Tap
FR1116340A (en) Telephoto
FR1090379A (en) Variable displacement mechanism
FR1106184A (en) English key
FR1073079A (en) Illuminated platen shears
FR1143476A (en) Pressure pourer
FR1111004A (en) Improvements to precision balances and analytical balances, with reading of the last decimal places
FR1106828A (en) Havense head or auger
FR1087730A (en) Stopcock
FR1089091A (en) Cylinder lock