DE186146C - - Google Patents

Info

Publication number
DE186146C
DE186146C DENDAT186146D DE186146DA DE186146C DE 186146 C DE186146 C DE 186146C DE NDAT186146 D DENDAT186146 D DE NDAT186146D DE 186146D A DE186146D A DE 186146DA DE 186146 C DE186146 C DE 186146C
Authority
DE
Germany
Prior art keywords
wave
screw
slot
shaped
elevations
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.)
Active
Application number
DENDAT186146D
Other languages
German (de)
English (en)
Publication of DE186146C publication Critical patent/DE186146C/de
Active 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Furniture Connections (AREA)
DENDAT186146D Active DE186146C (enExample)

Publications (1)

Publication Number Publication Date
DE186146C true DE186146C (enExample)

Family

ID=449926

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT186146D Active DE186146C (enExample)

Country Status (1)

Country Link
DE (1) DE186146C (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808937A (en) * 1972-04-19 1974-05-07 J Roehrig Screw head
US4037514A (en) * 1976-02-23 1977-07-26 Juan Andres Lliteras High torque fastener head
FR2680397A1 (fr) * 1991-08-14 1993-02-19 Grivois Jean Marie Moyen de liaison entre deux pieces.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808937A (en) * 1972-04-19 1974-05-07 J Roehrig Screw head
US4037514A (en) * 1976-02-23 1977-07-26 Juan Andres Lliteras High torque fastener head
FR2680397A1 (fr) * 1991-08-14 1993-02-19 Grivois Jean Marie Moyen de liaison entre deux pieces.

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