CH325754A - Wall screw - Google Patents

Wall screw

Info

Publication number
CH325754A
CH325754A CH325754DA CH325754A CH 325754 A CH325754 A CH 325754A CH 325754D A CH325754D A CH 325754DA CH 325754 A CH325754 A CH 325754A
Authority
CH
Switzerland
Prior art keywords
head
jaws
wall
wall screw
screw
Prior art date
Application number
Other languages
German (de)
Inventor
Kurzen Paul
Original Assignee
Kurzen Paul
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 by Kurzen Paul filed Critical Kurzen Paul
Publication of CH325754A publication Critical patent/CH325754A/en

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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/065—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)

Description

  

  Mauerschraube         Gegenstand    der Erfindung ist eine Mauer  sehraube, deren eines Schaftende einen     kegel-          stumpfförmigen    Kopf aufweist, auf dem axial       versehiebbar    wenigstens zwei Backen angeord  net sind, die aussen grobe Kerben für den       Eingriff    in die,     Loehwandung    und innen     kegel-          !'tirmime        1Iohlfläclien    tragen, die der Neigung  des Kopfes entsprechen, deren Umfang durch  axiales Verschieben auf dem     konisehen    Kopf  verändert werden kann.  



  Der Erfindungsgegenstand ist auf der       Zeiehnung    in einer beispielsweisen     Ausfüh-          rungsform    dargestellt.  



       Fig.    1.     zeigt    eine Ansicht der Schraube,       Fig.    2 einen Grundriss     zu        Fig.    1..  



  Die Mauerschraube besitzt einen Schaft 1,        <  < n    dessen einem Ende ein     kegelstumpf@örmi-          ger    Kopf     la    und an dessen entgegengesetztem  Kopf ein Gewinde und eine auf der     Zeich-          inmg    nicht dargestellte Mutter angeordnet ist.

         Auf    dem.     kegelstumpfförmigen    Kopf sind vier  Backen 2 verschiebbar aufgesetzt, deren     In-          iieiifläelie    3 der Neigung des Kopfes     ent-          siiriehtund    deren Aussenseite mit groben     Ker-          lien    4 versehen ist,

   die beim     Auseinandertrei-          ben    der Backen durch Verschieben des     koni-          sehen    Kopfes in die Backen beim Anziehen       (lei-        Mutter    gespreizt und damit gegen die       Loeliwandung    des in ein Mauerloch eingesetz-         ten    Kopfes gepresst werden.

   Zum Zusammen  halten der Backen vor dem Einsetzen kann  ein     Gummiband    oder dergleichen um die       Baeken    Verwendung finden.     Zweckmässig     werden auf dem Kopf     vier    Backen angeord  net, von denen jede     von-einem    Winkel von  annähernd 900 auf der Innenseite begrenzt  wird und deren Bohrung etwas kleiner als       der        Schaftdurehmesser    ist, so dass sie auf  demselben klemmen und dessen Drehen beim  Anziehen der Mutter verhindern.



  Wall screw The subject of the invention is a wall very hood, one shaft end of which has a frustoconical head, on which at least two jaws are arranged so that they can be axially displaced and which carry coarse notches on the outside for engagement in the hole wall and inside conical! 'Tirmime 1Iohlfläclien corresponding to the inclination of the head, the circumference of which can be changed by moving axially on the conical head.



  The subject of the invention is shown on the drawing in an exemplary embodiment.



       Fig. 1 shows a view of the screw, Fig. 2 shows a plan of Fig. 1 ..



  The wall screw has a shaft 1, one end of which has a truncated cone-shaped head 1a and a thread and a nut, not shown in the drawing, are arranged on the opposite head.

         On the. Four jaws 2 are slidably placed on the frustoconical head, the interior surface 3 of which corresponds to the inclination of the head and the outside of which is provided with coarse notches 4,

   which are spread when the jaws are pushed apart by moving the conical head into the jaws when tightening (the lei nut and thus pressed against the Loeli wall of the head inserted into a hole in the wall.

   A rubber band or the like can be used around the jaws to hold the jaws together before insertion. Appropriately four jaws are net angeord on the head, each of which is limited by an angle of approximately 900 on the inside and whose bore is slightly smaller than the shaft diameter, so that they clamp on the same and prevent its turning when tightening the nut.

Claims (1)

PATENTANSPRUCH Mauerschraube, dadurch gekennzeichnet, dass deren eines Schaftende einen kegelstumpf- förmigen Kopf aufweist, auf dem axial ver schiebbar wenigstens zwei Backen angeordnet sind, die auf der Aussenseite grobe Kerben für den Eingriff in die Lochwandung und auf der Innenseite kegelförmige Hohlflächen tragen, die der Neigung des Kopfes entsprechen. UNTERANSPRUCH Mauerschraube nach Patentanspruch, da durch gekennzeichnet, da.ss vier Backen ver schiebbar auf dem Kopf angeordnet sind, von denen jede auf der Innenseite von einem Win kel von annähernd 900 begrenzt ist. PATENT CLAIM Masonry screw, characterized in that one of the shaft ends has a truncated cone-shaped head on which at least two jaws are arranged so that they can be axially displaced and which carry coarse notches on the outside for engaging the hole wall and conical hollow surfaces on the inside, Tilt of the head. SUBSTITUTE SHEET Wall screw according to claim, characterized in that four jaws are arranged so that they can be moved on the head, each of which is limited on the inside by an angle of approximately 900.
CH325754D 1954-10-13 1954-10-13 Wall screw CH325754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH325754T 1954-10-13

Publications (1)

Publication Number Publication Date
CH325754A true CH325754A (en) 1957-11-30

Family

ID=4500004

Family Applications (1)

Application Number Title Priority Date Filing Date
CH325754D CH325754A (en) 1954-10-13 1954-10-13 Wall screw

Country Status (1)

Country Link
CH (1) CH325754A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657402A1 (en) * 1990-01-25 1991-07-26 Titeux Sa Ferronnerie Self-blocking safety dowel (plug)
EP0570170A1 (en) * 1992-05-13 1993-11-18 Emhart Inc. Anchor bolt
EP2112384A1 (en) * 2008-04-23 2009-10-28 AfM Technology GmbH Dowel with fixing element and sleeve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2657402A1 (en) * 1990-01-25 1991-07-26 Titeux Sa Ferronnerie Self-blocking safety dowel (plug)
EP0570170A1 (en) * 1992-05-13 1993-11-18 Emhart Inc. Anchor bolt
EP2112384A1 (en) * 2008-04-23 2009-10-28 AfM Technology GmbH Dowel with fixing element and sleeve
WO2009130027A1 (en) * 2008-04-23 2009-10-29 Afm Technology Gmbh Plug with fixing element and sleeve
US8876449B2 (en) 2008-04-23 2014-11-04 Brunson Instrument Company Plug with fixing element and sleeve

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