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DE1669375U - SCREW WITH SLOTLESS HEAD. - Google Patents

SCREW WITH SLOTLESS HEAD.

Info

Publication number
DE1669375U
DE1669375U DEB8815U DEB0008815U DE1669375U DE 1669375 U DE1669375 U DE 1669375U DE B8815 U DEB8815 U DE B8815U DE B0008815 U DEB0008815 U DE B0008815U DE 1669375 U DE1669375 U DE 1669375U
Authority
DE
Germany
Prior art keywords
screw
head
slotless
screws
screwdriver
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
DEB8815U
Other languages
German (de)
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.)
Lebronze Alloys Germany GmbH
Original Assignee
Busch Jaeger Ludenscheider Metallwerke AG
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 Busch Jaeger Ludenscheider Metallwerke AG filed Critical Busch Jaeger Ludenscheider Metallwerke AG
Priority to DEB8815U priority Critical patent/DE1669375U/en
Publication of DE1669375U publication Critical patent/DE1669375U/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/001Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0015Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being a soft organic material, e.g. wood or plastic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Description

x Gebrauchsmusteranmeldung. Schraube mit schutzlosem Kopf JBinfsshe Schrauben besitzen in der Regel in dem Kopf einen Schlitz, cm dieselben mit einem Schraubenzieher festziehen oder losen su können ei anderen Schrauben wiederum be- nutzt man zu. diesem Zwecke statt eines Schraubenziehers einen Schlüssel, weshalb die Köpfe vier-oder mehrkantig ausgebildet werden. Handelt es sich um Schrauben die öfters gelost werden. Lssen so ist die Schraube mit dem Schlitz die gebränehlichste, Soll die Schraube aber nicht mehr ge- est-werden, dann. istdie Verwendung eines anderen Schrau- benkopfes empfehlenawertedamitz.B. geschlossene Geräte von Unbefugten. nicht geSffnet werden können Bei kleinen Apparaten, wiezB bei elektrischen Brehschaltem oder ahnlichen Geräten ist die Verwendung von mehrkantigen Schraubenköpfen in der Massenfabrikation hinderliche da es meistens nicht moglieh-. iat bei solchen Köpfen mechanische Schraubeneinziehmasehinen zu benutzen r 'Bfin besonderes Merkmal des Erfindungsgegenstandes besteht darin, dass die mit einer Riffelung versehene Oberfläche des Sehraubenkopfes halbrund, dachförmig oder annähernd halbrund ausgebildet ist. Wie die Abbildung zeigt, sind auf dem Schraubenkopf t riffelartige Vertiefungen angebracht, die beim Anstauchen des Schraubenkopfes mit angeformt werden. Zum Anziehen der Schrauben wird ein Schraubenzieher 2 benutzt, der auf seiner Innenseite mit einer gleichen Riffelung versehen ist, wobei, die Riffelung 3 des-Schraubenziehers 2 in die 4 das Schraubenkopfes 1 eingreift* Der Schrauben. kopf ist halbrand oder auch daehfSrmig (punktierte Linie) Ist ea möglicht, Ichraubeii ohne Sö&litxc herzustellen die infolge Fortfall des Schlitzes - hiifTrftVNtt'* t tf."t. !' *' ; <t-.''.- tttbBt. S" * : *t'<Mß'-'--."t') h. -. rt <ttt. t. . - ttttta. <t ! tM<att ! Mtt' ! ! « i. « aMt ! ttß&<ZB. <rt<nkt-<*M' jB33t ntTfUfTtttHtt' - *ei~irbe nft- Die Schrauben finden überall da Verwendung, wo sie nach dem Festziehen nicht mehr gelöst werden sollen. x Utility model registration. Screw with a defenseless head JBinfsshe screws usually have one in the head Tighten the slot, cm, with a screwdriver or you can loosen another screw. one uses too. for this purpose instead of a screwdriver a key, which is why the heads are square or polygonal be formed. Is it about screws that often to be drawn. Lssen so is the screw with the slot the most common, but should the screw no longer est-be-then. is the use of a different screw benkopfes recommendenawertedamitz.B. closed devices from unauthorized persons. Cannot be opened For small ones Apparatus such as electric rotary switches or Similar devices is the use of polygonal Screw heads in mass production are a hindrance because it is mostly not possible. iat mechanical heads with such heads To use screw insertion machines r There is a special feature of the subject matter of the invention in that the corrugated surface of the very skull head semicircular, roof-shaped or approximately is formed semicircular. As the figure shows, there are t on the screw head Corrugated indentations attached when upsetting of the screw head must also be molded. To put on the Screws a screwdriver 2 is used, which is on its inside with the same corrugation is, wherein, the corrugation 3 of the screwdriver 2 in the 4 the screw head 1 engages * of the screws. head is semicircular or hemispherical (dotted line) If ea is possible, Ichraubeii without Sö & litxc produce the result of the omission of the slot - hiifTrftVNtt '* t tf. "t.!' * ';<t-.''.- tttbBt. S "*: * t'<Mß'-'--."t') h. -. rt <ttt. t.. - ttttta. <t! tM <att! Mtt '! ! «I. " government office ! ttß &<ZB.<rt<nkt - <* M 'jB33t ntTfUfTtttHtt' - * ei ~ irbe nft- The screws are used wherever they should no longer be loosened after tightening.

Claims (1)

gaz
Schutzanspruch. Schraube mit schlitzlosem Kopf, dadurch gekennzeichnet, dass die mit einer Riffelung versehene Oberfläche des Schraubenkopfes halbrund, dachförmig oder annähernd halbran ausgebildet : list.
gaz
Claim to protection. A screw with a slotless head, characterized in that the surface of the screw head provided with a corrugation is semicircular, roof-shaped or approximately half-rimmed: list.
DEB8815U 1952-04-25 1952-04-25 SCREW WITH SLOTLESS HEAD. Expired DE1669375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB8815U DE1669375U (en) 1952-04-25 1952-04-25 SCREW WITH SLOTLESS HEAD.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB8815U DE1669375U (en) 1952-04-25 1952-04-25 SCREW WITH SLOTLESS HEAD.

Publications (1)

Publication Number Publication Date
DE1669375U true DE1669375U (en) 1953-12-31

Family

ID=32034948

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB8815U Expired DE1669375U (en) 1952-04-25 1952-04-25 SCREW WITH SLOTLESS HEAD.

Country Status (1)

Country Link
DE (1) DE1669375U (en)

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