DE20214522U1 - Burglar-proof push-through screw - Google Patents

Burglar-proof push-through screw

Info

Publication number
DE20214522U1
DE20214522U1 DE20214522U DE20214522U DE20214522U1 DE 20214522 U1 DE20214522 U1 DE 20214522U1 DE 20214522 U DE20214522 U DE 20214522U DE 20214522 U DE20214522 U DE 20214522U DE 20214522 U1 DE20214522 U1 DE 20214522U1
Authority
DE
Germany
Prior art keywords
screw
burglar
inclined surface
pressure pad
pad
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 - Lifetime
Application number
DE20214522U
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.)
TECH STELL CO., LTD., TW
Original Assignee
FLAMANTE INDUSTRY Ltd
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 FLAMANTE INDUSTRY Ltd filed Critical FLAMANTE INDUSTRY Ltd
Priority to DE20214522U priority Critical patent/DE20214522U1/en
Priority to GB0222030A priority patent/GB2393227A/en
Priority to FR0211825A priority patent/FR2844846A3/en
Publication of DE20214522U1 publication Critical patent/DE20214522U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Common Mechanisms (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Einbruchsichere Durchsteckschraube (3) mit einer Druckunterlage (4) und einer Mutter (5), wobei die Schraube (3) einen Schraubenkopf (31) und einen Schraubenschaft (32) umfaßt, dadurch gekennzeichnet, daß
der Schraubenkopf (31) sechseckig ist und seine Innenkanten (311) unter dem im wesentlichen gleichem Winkel angeordnet und mit geneigten Flächen (312) versehen sind, die sich von einer Fläche (312) zur anderen fortsetzen;
das Verbindungsgebiet jeder der geneigten Flächen eine Sperrfläche (313) mit einem Absatz ist;
die Druckunterlage (4) flach und kreisförmig ist und ihr Durchmesser dem größten Durchmesser des Schraubenkopfs (31) entspricht;
die Mitte der Druckunterlage (4) mit einer Durchgangsbohrung (41) versehen ist, deren Durchmesser größer als der des Schraubenschafts (32) ist;
eine Fläche der Druckunterlage (4) zu einer fortgesetzt geneigten Fläche ausgebildet ist, die der geneigten Fläche des einzelnen Schraubenkopfs (31) entspricht;
die andere Fläche der Druckunterlage (4) mit mehreren gleich angeordneten scharfen Eingriffnasen (44) versehen ist;
jede Nase (44) eine aufrechte Fläche (441) und eine geneigte Fläche (442) besitzt;
die Neigungsrichtung der geneigten Fläche (442) ähnlich der der fortge­ setzten geneigten Fläche der Druckunterlage (4) ist;
die Mutter (5) sechseckig ist und die Innenkante jeder ihrer Seiten mit einer geneigten Fläche versehen ist, die der fortgesetzten geneigten Fläche entspricht; und
das Verbindungsgebiet jeder geneigten Fläche ebenfalls zu einer Sperrfläche (53) mit einem Absatz ausgebildet ist.1. Burglar-proof push-through screw ( 3 ) with a pressure pad ( 4 ) and a nut ( 5 ), the screw ( 3 ) comprising a screw head ( 31 ) and a screw shaft ( 32 ), characterized in that
the screw head ( 31 ) is hexagonal and its inner edges ( 311 ) are arranged at substantially the same angle and are provided with inclined surfaces ( 312 ) which extend from one surface ( 312 ) to the other;
the connection area of each of the inclined surfaces is a barrier surface ( 313 ) with a shoulder;
the pressure pad ( 4 ) is flat and circular and its diameter corresponds to the largest diameter of the screw head ( 31 );
the center of the pressure pad ( 4 ) is provided with a through hole ( 41 ), the diameter of which is larger than that of the screw shaft ( 32 );
a surface of the pressure pad ( 4 ) is formed into a continuously inclined surface which corresponds to the inclined surface of the individual screw head ( 31 );
the other surface of the printing pad ( 4 ) is provided with a plurality of sharp engagement lugs ( 44 ) arranged in the same way;
each tab ( 44 ) has an upright surface ( 441 ) and an inclined surface ( 442 );
the inclination direction of the inclined surface ( 442 ) is similar to that of the continued inclined surface of the printing pad ( 4 );
the nut ( 5 ) is hexagonal and the inner edge of each of its sides is provided with an inclined surface corresponding to the continued inclined surface; and
the connection area of each inclined surface is also formed into a blocking surface ( 53 ) with a shoulder. 2. Einbruchsichere Durchsteckschraube nach Anspruch 1, dadurch gekenn­ zeichnet, daß zwischen der Außenkante der Druckunterlage (4) und der ent­ sprechenden fortgesetzten geneigten Fläche mehrere entsprechende Kerben (45) vorgesehen sind.2. Burglar-proof push-through screw according to claim 1, characterized in that between the outer edge of the printing pad ( 4 ) and the corresponding continuous inclined surface, several corresponding notches ( 45 ) are provided. 3. Einbruchsichere Durchsteckschraube nach Anspruch 1, dadurch gekenn­ zeichnet, daß die Druckunterlage (7) entsprechend dem Schraubenkopf (31) und der Mutter (5) sechseckig ist.3. Burglar-proof push-through screw according to claim 1, characterized in that the pressure pad ( 7 ) corresponding to the screw head ( 31 ) and the nut ( 5 ) is hexagonal. 4. Einbruchsichere Durchsteckschraube nach einem vorangehenden An­ spruch, dadurch gekennzeichnet, daß die scharfen Eingriffnasen (44) an der Unterseite der Druckunterlage (4) im gleichen Abstand angebracht sind.4. Burglar-proof through screw according to a preceding claim, characterized in that the sharp engaging lugs ( 44 ) are attached to the underside of the pressure pad ( 4 ) at the same distance. 5. Einbruchsichere Durchsteckschraube nach einem vorangehenden An­ spruch, dadurch gekennzeichnet, daß die scharfen Eingriffnasen (44) an der Unterseite der Druckunterlage (4) zweiseitige geneigte Flächen sind.5. Burglar-proof through screw according to a preceding claim, characterized in that the sharp engaging lugs ( 44 ) on the underside of the pressure pad ( 4 ) are bilateral inclined surfaces. 6. Einbruchsichere Durchsteckschraube nach einem vorangehenden An­ spruch, dadurch gekennzeichnet, daß die Druckunterlage (4') auf einer Höhe, die höher als die Druckunterlage (4') ist, eine Neigung des Innenkantenab­ schnitts besitzt.6. Burglar-proof push-through screw according to a preceding claim, characterized in that the printing pad ( 4 ') at a height which is higher than the printing pad ( 4 ') has an inclination of the inner edge section.
DE20214522U 2002-09-19 2002-09-19 Burglar-proof push-through screw Expired - Lifetime DE20214522U1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE20214522U DE20214522U1 (en) 2002-09-19 2002-09-19 Burglar-proof push-through screw
GB0222030A GB2393227A (en) 2002-09-19 2002-09-23 Locking fastener arrangement
FR0211825A FR2844846A3 (en) 2002-09-19 2002-09-25 Locknut washer has segmented ramps engaging with matching lock-washer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20214522U DE20214522U1 (en) 2002-09-19 2002-09-19 Burglar-proof push-through screw
GB0222030A GB2393227A (en) 2002-09-19 2002-09-23 Locking fastener arrangement
FR0211825A FR2844846A3 (en) 2002-09-19 2002-09-25 Locknut washer has segmented ramps engaging with matching lock-washer

Publications (1)

Publication Number Publication Date
DE20214522U1 true DE20214522U1 (en) 2002-12-19

Family

ID=32718452

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20214522U Expired - Lifetime DE20214522U1 (en) 2002-09-19 2002-09-19 Burglar-proof push-through screw

Country Status (3)

Country Link
DE (1) DE20214522U1 (en)
FR (1) FR2844846A3 (en)
GB (1) GB2393227A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2001044C2 (en) * 2007-12-03 2009-06-04 Tu Global Co Anti-loose unit i.e. washer for use with nut and bolt, has multiple grooves formed on surface of annular plate and around opening in annular plate, where grooves extend from opening to outer edge of annular plate
US8517655B2 (en) 2010-10-01 2013-08-27 Dong Bing Wang Locking wedge system
CN105782206A (en) * 2014-12-24 2016-07-20 王富平 Clamping nut

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU439724B2 (en) * 1968-12-09 1973-08-14 Carlotto Oldenkott A lock washer assembly
US5626449A (en) * 1995-09-15 1997-05-06 Hong Kong Disc Lock Company Limited Wedge-locking fastener assembly with a cammed flange

Also Published As

Publication number Publication date
GB0222030D0 (en) 2002-10-30
FR2844846A3 (en) 2004-03-26
GB2393227A (en) 2004-03-24

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20030130

R150 Term of protection extended to 6 years

Effective date: 20051011

R081 Change of applicant/patentee

Owner name: TECH STELL CO., LTD., TW

Free format text: FORMER OWNER: FLAMANTE INDUSTRY LTD., TAINAN, TW

Effective date: 20051104

R151 Term of protection extended to 8 years

Effective date: 20081013

R158 Lapse of ip right after 8 years

Effective date: 20110401