EP0086381B1 - Padlock for joining two chain-links - Google Patents

Padlock for joining two chain-links Download PDF

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Publication number
EP0086381B1
EP0086381B1 EP83100820A EP83100820A EP0086381B1 EP 0086381 B1 EP0086381 B1 EP 0086381B1 EP 83100820 A EP83100820 A EP 83100820A EP 83100820 A EP83100820 A EP 83100820A EP 0086381 B1 EP0086381 B1 EP 0086381B1
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EP
European Patent Office
Prior art keywords
lock body
members
bolt
chain
lock
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
EP83100820A
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German (de)
French (fr)
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EP0086381A3 (en
EP0086381A2 (en
Inventor
Giorgio Vanelli Coralli
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.)
Viro Innocenti SpA
Original Assignee
Viro Innocenti SpA
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 Viro Innocenti SpA filed Critical Viro Innocenti SpA
Priority to AT83100820T priority Critical patent/ATE16620T1/en
Publication of EP0086381A2 publication Critical patent/EP0086381A2/en
Publication of EP0086381A3 publication Critical patent/EP0086381A3/en
Application granted granted Critical
Publication of EP0086381B1 publication Critical patent/EP0086381B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/36—Padlocks with closing means other than shackles ; Removable locks, the lock body itself being the locking element; Padlocks consisting of two separable halves or cooperating with a stud
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/003—Chain, wire or cable locks

Definitions

  • the invention relates to a padlock for connecting two links, in particular two end links of a chain, with a lock body, which has an outer tubular reinforcement jacket made of more resistant material than the lock body and two circumferentially open incisions for receiving a chain link and two transverse to one of these Incisions extending bearing bores, in which a lock cylinder which can be actuated with the aid of a key and is parallel to the bearing bores is installed in the lock body and a straight bolt is mounted longitudinally displaceably in each bearing bore, which leaves the associated cut of the lock body open in the extended open position and penetrates this cut in the closed position , thereby engages through the chain link inserted therein and from an S controlled by the lock cylinder, movably mounted to and from the bolt in the lock body, engaging in a circumferential groove of the bolt perrorgan can be held.
  • Padlocks of this type are known from DE-A-2 810 756 and have the general advantage that the lock body can be made of a relatively easily machinable material, in particular brass, and nevertheless by the arrangement of the outer tubular reinforcement jacket made of more resistant material, e.g. . B. hardened steel, a very high security against the padlock is achieved.
  • the two bearing bores of the lock body and the latches which are mounted in a longitudinally displaceable manner therein are arranged coaxially to one another on the same side of the lock cylinder.
  • the outer tubular reinforcement jacket is pushed axially parallel to the bolts or to the relevant bearing bores and to the lock cylinder in the lock body via the two adjacent, circumferentially open cuts of the lock body and each has a corresponding recess in the area of these cuts.
  • the key opening of the lock cylinder is located on the one side of the lock body, which is not covered by the reinforcement jacket.
  • the two bearing bores for the bolts also run out onto the head sides of the lock body, which are not protected by the reinforcement jacket.
  • the object of the invention is to remedy the above-mentioned disadvantages of the known designs and to achieve greater security against theft in the case of a padlock of the type described at the outset without additional components and practically without increasing the labor and cost.
  • the incisions intended to accommodate one chain link each are provided in the two opposite ends of the lock body, which are not covered by the reinforcing jacket.
  • the outer tubular reinforcement jacket does not need to have any corresponding recesses in the area of these incisions and therefore practically retains its full resistance, which corresponds to an intact condition, since it is only provided with a lateral passage opening in the area of the two bolts and the key opening of the locking cylinder.
  • These through openings are relatively small in order to bring about a noticeable weakening of the reinforcement jacket.
  • the locking cylinder is covered on the head side both on the side of the key opening around it and on the opposite side by the outer reinforcing jacket, as a result of which the opening of the locking cylinder is prevented or at least made very difficult by drilling parallel to the axis.
  • the padlock according to the invention essentially does not require any additional components and does not require more work and costs than the previously known designs.
  • the padlock shown intended for connecting two links, in particular two end links M and M 'of a chain, has an elongated lock body 2 which is approximately square in cross section and which has an incision 3 or 3' in its two opposite head sides for receiving one each Chain link M or M 'is provided.
  • the incisions 3 and 3 ' extend over the entire width of the lock body 2 and are each penetrated by a transverse, continuous bearing bore 5 and 5' provided in the lock body 2.
  • a bolt-like bolt 4 or 4' is mounted for longitudinal displacement.
  • a locking cylinder 7 is arranged and fastened in an insertion bore 14 of the lock body 2 which is parallel to the two bearing bores 5 and 5 'and is provided centrally between these bearing bores.
  • the z. B. made of brass lock body 2 with an outer tubular reinforcement jacket 1 made of a more resistant material, for. B. hardened steel.
  • This tubular reinforcement jacket 1 is directed with its longitudinal axis transversely to the bolts 4 and 4 'and to the lock cylinder 7 or to the corresponding bores 5, 5', 14 of the lock body 2, whereby it covers the two head sides of the lock body 2 with the relevant incisions 3 and 3 'releases and is flush with these top sides.
  • the reinforcing jacket 1 Coaxial to the two bearing bores 5 and 5 ', the reinforcing jacket 1 has on one side of the padlock, for. B.
  • the outer reinforcement jacket 2 is provided with a through bore 8 which is arranged in the region of the key opening 207 of the locking cylinder 7 and which has precisely the size or shape required for the insertion and rotation of the key.
  • the locking cylinder 7 is also largely covered on its head side corresponding to the through bore 8 by the outer, tubular reinforcement jacket 1.
  • a complete covering of this head side of the lock cylinder 7 can be achieved with the aid of an additional cover disk 15, shown in FIG. 3, which is rotatably mounted coaxially to the lock cylinder 7 between the latter and the outer reinforcement jacket 1 and has a key through hole corresponding to the key opening 207 of the lock cylinder 7 .
  • each locking member consists of a two-part locking pin 9, 109 or 9 ', 109' which is directed in a transverse to the insertion bore 14 of the Scpliess cylinder 7 or transverse to the bearing bore 5 or 5 'of the associated bolt 4 or 4' Bore in the lock body 2 is slidably mounted.
  • a helical compression spring 10 or 10 ' is clamped, which on the one hand the inner locking pin part 109 or 109' against the core shoulder 107 of the lock cylinder 7 and on the other hand the outer locking pin part 9 or 9 'presses against the assigned bolt 4 or 4'.
  • the rotatable, cylindrical core shoulder 107 of the lock cylinder 7 has two flats 11 and 11 'offset one from the other in the area of the locking pins 9, 109 and 9', 109 '.
  • the locking pin parts 9 and 9 'cooperating with the bolts 4 and 4' have frustoconical free ends.
  • the side corresponding to the inner transom end is bounded by a much steeper side wall.
  • the outer locking pin parts 9 and 9 ' can therefore resiliently deflect inwards and allow the two bolts 4 and 4' to be pulled out into an open position with the aid of their outer handles 104 and 104 ', in which they can hold the associated incisions 3 and 3 'release and be held by the resilient engagement of the outer locking pin parts 9 and 9' in the rear circumferential grooves 13 and 13 ', as shown in Fig. 4 for the upper bolt 4.
  • the complete removal of the bars 4 and 4 'from the lock body 2 is prevented by the steeper rear boundary wall of the circumferential grooves 13 or requires the use of a very large tensile force.
  • the core extension 107 of the lock cylinder 7 is rotated by the key by approximately 180 ° and brought into its closed position, in which the inner locking pin parts 109 and 109 'through the fully cylindrical surface parts of the core extension 107 resiliently outwards almost to the contact with the associated one , outer locking pin part 9 or 9 'are pressed, as shown in Fig. 3.
  • the core shoulder 107 of the lock cylinder 7 thereby prevents the resilient disengagement of the outer locking pin parts 9 and 9 'from the front circumferential grooves 12 and 12' of the two bolts 4 and 4 'via the inner locking pin parts 109 and 109' acting as stops and locks them in their inserted closed position.
  • the outer ends of the bolts 4 and 4 ' have a blind bore 6 at the head, as shown in FIG. 3 for the upper bolt 3.
  • this blind hole 6 the part of the latches 4 and 4 'projecting from the padlock in the closed position is weakened to such an extent that it is impossible to grasp and pull out the latches 4 and 4' with the aid of a break-open tool which allows the use of a large force, since the outer weakened , the bolt part which has been gripped with the demolition tool breaks off before the bolt is torn out.
  • the bearing bores 5 and 5 'for the bolts 4 and 4' and the insertion bore 14 for the lock cylinder 7 are designed as continuous bores in the lock body 2 and are closed off on the side opposite the bolt handle side or the key insertion side by the outer tubular reinforcement jacket 1.
  • the incisions 3 and 3 'provided on the head side in the lock body 2 for receiving the chain links M and M' are designed as incisions which run transversely to the lock body 2 and are laterally closed by the outer tubular reinforcement jacket 1. This simplifies the manufacture of the padlock and increases its security.
  • the tubular reinforcement jacket 1 can each have an outwardly projecting bulge 101, which correspondingly extends the width of the receiving space for the chain link M or M'.
  • the width of the lock body 2 smaller than the width of the chain links M and M 'to be connected and to cover them laterally to increase security by the outer tubular reinforcement jacket 1.

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Abstract

1. A padlock for connecting two members (M, M'), in particular two end members of a chain, comprising a lock body (2) which has an external tubular strengthening casing (1) of a material which is more resistant than the lock body, and two openings (3, 3') which are open at the periphery, for accommodating respective members (M, M') of the chain, and two mounting bores (5, 5') which each extend transversely with respect to a respective one of said openings (3, 3'), wherein a lock cylinder (7) which is actuable by means of a key and which is in parallel-axis relationship to the mounting bores (5, 5') is fitted in the lock body (2) and mounted longitudinally displaceably in each mounting bore (5, 5') is a straight bolt member (4, 4') which in the extended open position leaves the associated opening (3, 3') in the lock body (2) open and which in the retracted closed position passes through said opening (3, 3'), in that position engages through the member (M, M') of the chain which is fitted therein, and can be secured in position by a blocking member (9-109, 9'-109') which is controlled by the lock cylinder (7) and which is mounted in the lock body (2) movably away from and towards the bolt member (4, 4') and which engages into a peripheral groove (12, 12') in the bolt member (4, 4'), characterised in that the two bolt members (4, 4') and the corresponding mounting bores (5, 5') of the lock body (2) are arranged on opposite sides of the lock cylinder (7) and the associated openings (3, 3') for receiving the members (M, M') of the chain are provided in the respective end surfaces of the lock body (2), and that the external tubular strengthening casing (1) is directed with its longitudinal axis transversely with respect to the bolt members (4, 4') and the lock cylinder (7) and is provided with a respective lateral through opening (105, 105', 8) in the region of each of the bolt members (4, 4') and the key opening (207) of the lock cylinder (7).

Description

Die Erfindung betrifft ein Vorhängeschloss zur Verbindung zweier Glieder, insbesondere zweier Endglieder einer Kette, mit einem Schlosskörper, der einen äusseren rohrförmigen Verstärkungsmantel aus im Vergleich zum Schloßkörper widerstandsfähigerem Werkstoff und zwei umfangsseitig offene Einschnitte zur Aufnahme je eines Kettenglieds sowie zwei sich quer zu je einem dieser Einschnitte erstreckende Lagerbohrungen aufweist, wobei im Schlosskörper ein mit Hilfe eines Schlüssels betätigbarer, zu den Lagerbohrungen achsparalleler Schliesszylinder eingebaut und in jeder Lagerbohrung ein gerader Riegel längsverschiebbar gelagert ist, der in ausgefahrener Offenstellung den zugeordneten Einschnitt des Schlosskörpers offen lässt und in eingefahrener Schliesstellung diesen Einschnitt durchsetzt, dabei durch das darin eingelegte Kettenglied greift und von einem vom Schliesszylinder gesteuerten, vom und zum Riegel beweglich im Schlosskörper gelagerten, in eine Umfangsnut des Riegels eingreifenden Sperrorgan festhaltbar ist.The invention relates to a padlock for connecting two links, in particular two end links of a chain, with a lock body, which has an outer tubular reinforcement jacket made of more resistant material than the lock body and two circumferentially open incisions for receiving a chain link and two transverse to one of these Incisions extending bearing bores, in which a lock cylinder which can be actuated with the aid of a key and is parallel to the bearing bores is installed in the lock body and a straight bolt is mounted longitudinally displaceably in each bearing bore, which leaves the associated cut of the lock body open in the extended open position and penetrates this cut in the closed position , thereby engages through the chain link inserted therein and from an S controlled by the lock cylinder, movably mounted to and from the bolt in the lock body, engaging in a circumferential groove of the bolt perrorgan can be held.

Vorhängeschlösser dieser Art sind aus der DE-A-2 810 756 bekannt und weisen den allgemeinen Vorteil auf, dass der Schlosskörper aus verhältnismässig leicht bearbeitbarem Werkstoff, insbesondere Messing, bestehen kann und trotzdem durch die Anordnung des äusseren, rohrförmigen Verstärkungsmantels aus widerstandsfähigerem Werkstoff, z. B. gehärtetem Stahl, eine sehr hohe Aufbruchsicherheit des Vorhängeschlosses erzielt wird.Padlocks of this type are known from DE-A-2 810 756 and have the general advantage that the lock body can be made of a relatively easily machinable material, in particular brass, and nevertheless by the arrangement of the outer tubular reinforcement jacket made of more resistant material, e.g. . B. hardened steel, a very high security against the padlock is achieved.

Bei den aus der DE-A-2810756 bekannten Vorhängeschlössern sind die beiden Lagerbohrungen des Schlosskörpers und die darin längsverschiebbar gelagerten Riegel koaxial zueinander auf derselben Seite des Schliesszylinders angeordnet. Der äussere rohrförmige Verstärkungsmantel ist achsparallel zu den Riegeln bzw. zu den betreffenden Lagerbohrungen und zum Schliesszylinder im Schlosskörper über die beiden nebeneinander liegenden, umfangsseitig offenen Einschnitte des Schlosskörpers auf diesen geschoben und weist im Bereich dieser Einschnitte je eine entsprechende Ausnehmung auf. Die Schlüsselöffnung des Schliesszylinders befindet sich auf der einen, vom Verstärkungsmantel nicht abgedeckten Kopfseite des Schlosskörpers. Auch die beiden Lagerbohrungen für die Riegel laufen auf die vom Verstärkungsmantel nicht geschützten Kopfseiten des Schlosskörpers aus. Infolgedessen weisen diese bekannten Vorhängeschlösser den Nachteil auf, dass der Verstärkungsmantel durch die verhältnismässig grossen Ausnehmungen im Bereich der Einschnitte des Schlosskörpers für die Aufnahme der Kettenglieder sehr geschwächt wird. Ausserdem kann der kopfseitig vom Verstärkungsmantel nicht abgedeckte Schliesszylinder in axialer Richtung mit einem Bohrwerkzeug angegriffen und infolgedessen verhältnismässig leicht aufgebrochen werden. Zwar ist in der DE-A-2810756 eine zusätzliche Abdeckung der Kopfseiten des Schlosskörpers mit besonderen Frontplatten vorgesehen, doch diese Ausführung erfordert einen zusätzlichen Material- und Arbeitsaufwand und bewirkt eine entsprechende Erhöhung der Herstellungskosten des Vorhängeschlosses.In the padlocks known from DE-A-2810756, the two bearing bores of the lock body and the latches which are mounted in a longitudinally displaceable manner therein are arranged coaxially to one another on the same side of the lock cylinder. The outer tubular reinforcement jacket is pushed axially parallel to the bolts or to the relevant bearing bores and to the lock cylinder in the lock body via the two adjacent, circumferentially open cuts of the lock body and each has a corresponding recess in the area of these cuts. The key opening of the lock cylinder is located on the one side of the lock body, which is not covered by the reinforcement jacket. The two bearing bores for the bolts also run out onto the head sides of the lock body, which are not protected by the reinforcement jacket. As a result, these known padlocks have the disadvantage that the reinforcing jacket is very weak due to the relatively large recesses in the area of the incisions of the lock body for receiving the chain links. In addition, the locking cylinder, which is not covered on the head side by the reinforcement jacket, can be attacked in the axial direction with a drilling tool and, as a result, can be broken open relatively easily. DE-A-2810756 provides additional covering of the head sides of the lock body with special front panels, but this embodiment requires additional material and labor and causes a corresponding increase in the manufacturing costs of the padlock.

Aufgabe der Erfindung ist es, die oben angeführten Nachteile der bekannten Ausführungen zu beheben und bei einem Vorhängeschloss der eingangs beschriebenen Art ohne zusätzliche Bauteile und praktisch ohne Erhöhung des Arbeits- und Kostenaufwands eine grössere Aufbruchsicherheit zu erzielen.The object of the invention is to remedy the above-mentioned disadvantages of the known designs and to achieve greater security against theft in the case of a padlock of the type described at the outset without additional components and practically without increasing the labor and cost.

Diese Aufgabe wird erfindungsgemäss dadurch gelöst, dass die beiden Riegel und die entsprechenden Lagerbohrungen des Schlosskörpers auf entgegengesetzten Seiten des Schliesszylinders angeordnet und die zugeordneten Einschnitte zur Aufnahme der Kettenglieder in den betreffenden Kopfseiten des Schlosskörpers vorgesehen sind, und dass der äussere rohrförmige Verstärkungsmantel mit seiner Längsachse quer zu den Riegeln und zum Schliesszylinder gerichtet und im Bereich der Riegel und der Schlüsselöffnung des Schliesszylinders mit je einer seitlichen Durchtrittsöffnung versehen ist.This object is achieved according to the invention in that the two bolts and the corresponding bearing bores of the lock body are arranged on opposite sides of the lock cylinder and the associated incisions are provided for receiving the chain links in the relevant head sides of the lock body, and in that the outer tubular reinforcement jacket has its longitudinal axis transverse is directed towards the bolts and the locking cylinder and is provided with a lateral opening in the area of the bolt and the key opening of the locking cylinder.

Bei der erfindungsgemässen Ausbildung des Vorhängeschlosses sind also die zur Aufnahme je eines Kettenglieds bestimmten Einschnitte in den beiden entgegengesetzten, vom Verstärkungsmantel nicht abgedeckten Kopfseiten des Schlosskörpers vorgesehen. Infolgedessen braucht der äussere rohrförmige Verstärkungsmantel im Bereich dieser Einschnitte keine entsprechende Ausnehmungen aufzuweisen und behält deshalb praktisch seine volle, einem unversehrten Zustand entsprechende Widerstandsfähigkeit, da er nur noch im Bereich der beiden Riegel und der Schlüsselöffnung des Schliesszylinders mit je einer seitlichen Durchtrittsöffnung versehen ist. Diese Durchtrittsöffnungen sind verhältnismässig klein, um eine merkliche Schwächung des Verstärkungsmantels zu bewirken. Gleichzeitig wird aber der Schliesszylinder kopfseitig sowohl auf der Seite der Schlüsselöffnung um diese herum als auch auf der entgegengesetzten Seite vom äusseren Verstärkungsmantel abgedeckt, wodurch der Aufbruch des Schliesszylinders durch achsparalleles Anbohren verhindert bzw. zumindest sehr erschwert wird. Trotz dieser bedeutend grösseren Aufbruchsicherheit erfordert das erfindungsgemässe Vorhängeschloss im wesentlichen keine zusätzlichen Bauteile und keinen grösseren Arbeits- und Kostenaufwand als die bisher bekannten Ausführungen.In the design of the padlock according to the invention, the incisions intended to accommodate one chain link each are provided in the two opposite ends of the lock body, which are not covered by the reinforcing jacket. As a result, the outer tubular reinforcement jacket does not need to have any corresponding recesses in the area of these incisions and therefore practically retains its full resistance, which corresponds to an intact condition, since it is only provided with a lateral passage opening in the area of the two bolts and the key opening of the locking cylinder. These through openings are relatively small in order to bring about a noticeable weakening of the reinforcement jacket. At the same time, however, the locking cylinder is covered on the head side both on the side of the key opening around it and on the opposite side by the outer reinforcing jacket, as a result of which the opening of the locking cylinder is prevented or at least made very difficult by drilling parallel to the axis. Despite this significantly greater security against theft, the padlock according to the invention essentially does not require any additional components and does not require more work and costs than the previously known designs.

Weitere Ausbildungen und Vorteile der Erfindung ergeben sich aus den Unteransprüchen und aus der nachstehenden Beschreibung eines bevorzugten, in der Zeichnung dargestellten Ausführungsbeispiels des erfindungsgemässen Vorhängeschlosses. In der Zeichnung :

  • Figur 1 zeigt ein erfindungsgemässes Vorhängeschloss in Draufsicht auf dessen in Fig. 2 bis 4 oberen Kopfseite, in geschlossenem Zustand.
  • Figur 2 zeigt das Vorhängeschloss im Aufriss, gesehen von der rechten Seite der Fig. 1.
  • Figuren 3 und 4 zeigen das Vorhängeschloss im Schnitt nach der Linie 111-111 der Fig. 1, in grösserem Masstab und in geschlossenem bzw. geöffnetem Zustand.
Further developments and advantages of the invention result from the subclaims and from the description below of a preferred embodiment of the padlock according to the invention shown in the drawing. In the drawing :
  • FIG. 1 shows a padlock according to the invention in a top view of its upper side in FIGS. 2 to 4, in the closed state.
  • FIG. 2 shows the padlock in elevation, seen from the right side of FIG. 1.
  • Figures 3 and 4 show the padlock in section along the line 111-111 of Fig. 1, on a larger scale and in the closed or open state.

Das dargestellte, zur Verbindung zweier Glieder, insbesondere zweier Endglieder M und M' einer Kette bestimmte Vorhängeschloss weist einen länglichen, im Querschnitt etwa quadratischen Schlosskörper 2 auf, der in seinen beiden entgegengesetzten Kopfseiten mit je einem Einschnitt 3 bzw. 3' zur Aufnahme je eines Kettenglieds M bzw. M' versehen ist. Die Einschnitte 3 und 3' erstrecken sich über die ganze Breite des Schlosskörpers 2 und werden von je einer quergerichteten, durchgehenden, im Schlosskörper 2 vorgesehenen Lagerbohrung 5 bzw. 5' durchsetzt. In diesen beiden, zueinander parallelen Lagerbohrungen 5 und 5' ist je ein bolzenartiger Riegel 4 bzw. 4' längsverschiebbar gelagert. In einer zu den beiden Lagerbohrungen 5 und 5' parallelen, mittig zwischen diesen Lagerbohrungen vorgesehenen Einsetzbohrung 14 des Schlosskörpers 2 ist ein Schliesszylinder 7 angeordnet und befestigt.The padlock shown, intended for connecting two links, in particular two end links M and M 'of a chain, has an elongated lock body 2 which is approximately square in cross section and which has an incision 3 or 3' in its two opposite head sides for receiving one each Chain link M or M 'is provided. The incisions 3 and 3 'extend over the entire width of the lock body 2 and are each penetrated by a transverse, continuous bearing bore 5 and 5' provided in the lock body 2. In these two mutually parallel bearing bores 5 and 5 ', a bolt-like bolt 4 or 4' is mounted for longitudinal displacement. A locking cylinder 7 is arranged and fastened in an insertion bore 14 of the lock body 2 which is parallel to the two bearing bores 5 and 5 'and is provided centrally between these bearing bores.

Der z. B. aus Messing hergestellte Schlosskörper 2 ist mit einem äusseren, rohrförmigen Verstärkungsmantel 1 aus widerstandsfähigerem Werkstoff, z. B. gehärtetem Stahl, versehen. Dieser rohrförmige Verstärkungsmantel 1 ist mit seiner Längsachse quer zu den Riegeln 4 und 4' und zum Schliesszylinder 7 bzw. zu den entsprechenden Bohrungen 5, 5', 14 des Schlosskörpers 2 gerichtet, wobei er die beiden Kopfseiten des Schlosskörpers 2 mit den betreffenden Einschnitten 3 und 3' freilässt und bündig mit diesen Kopfseiten abschliesst. Koaxial zu den beiden Lagerbohrungen 5 und 5' weist der Verstärkungsmantel 1 auf einer Seite des Vorhängeschlosses, z. B. auf der linken Seite in den Figuren 1, 3 und 4, je eine Durchtrittsbohrung 105 bzw. 105' auf, durch die der zugeordnete bolzenartige Riegel 4 bzw. 4' nach aussen vorspringt. Auf der diesen Durchtrittsbohrungen 105 und 105' entgegengesetzten Seite ist der äussere Verstärkungsmantel 2 mit einer im Bereich der Schlüsselöffnung 207 des Schliesszylinders 7 angeordneten Durchtrittsbohrung 8 versehen, die gerade die zur Einführung und Verdrehung des Schlüssels erforderliche Grösse bzw. Form aufweist. Infolgedessen wird der Schliesszylinder 7 auch auf seiner der Durchtrittsbohrung 8 entsprechenden Kopfseite grösstenteils vom äusseren, rohrförmigen Verstärkungsmantel 1 abgedeckt. Eine vollständige Abdeckung dieser Kopfseite des Schliesszylinders 7 kann mit Hilfe einer zusätzlichen, in Fig. 3 dargestellten Abdeckscheibe 15 erzielt werden, die koaxial zum Schliesszylinder 7 zwischen diesem und dem äusseren Verstärkungsmantel 1 drehbar gelagert ist und eine der Schlüsselöffnung 207 des Schliesszylinders 7 entsprechende Schlüsseldurchsteckbohrung aufweist.The z. B. made of brass lock body 2 with an outer tubular reinforcement jacket 1 made of a more resistant material, for. B. hardened steel. This tubular reinforcement jacket 1 is directed with its longitudinal axis transversely to the bolts 4 and 4 'and to the lock cylinder 7 or to the corresponding bores 5, 5', 14 of the lock body 2, whereby it covers the two head sides of the lock body 2 with the relevant incisions 3 and 3 'releases and is flush with these top sides. Coaxial to the two bearing bores 5 and 5 ', the reinforcing jacket 1 has on one side of the padlock, for. B. on the left in Figures 1, 3 and 4, each have a through-hole 105 or 105 'through which the associated bolt-like bolt 4 or 4' projects outwards. On the side opposite these through bores 105 and 105 ', the outer reinforcement jacket 2 is provided with a through bore 8 which is arranged in the region of the key opening 207 of the locking cylinder 7 and which has precisely the size or shape required for the insertion and rotation of the key. As a result, the locking cylinder 7 is also largely covered on its head side corresponding to the through bore 8 by the outer, tubular reinforcement jacket 1. A complete covering of this head side of the lock cylinder 7 can be achieved with the aid of an additional cover disk 15, shown in FIG. 3, which is rotatably mounted coaxially to the lock cylinder 7 between the latter and the outer reinforcement jacket 1 and has a key through hole corresponding to the key opening 207 of the lock cylinder 7 .

Der mit dem Schlüssel drehbare Kern des Schliesszylinders 7 springt mit einem Kernansatz 107 vom hinteren inneren Ende des Schliesszylinders 7 in die entsprechende Einsetzbohrung 14 des Schlosskörpers 2 vor und ist zur Steuerung von zwei Sperrgliedern 9-109 und 9'-109' ausgebildet, die mit zwei Umfangsnuten 12 und 13 bzw. 12' und 13' der beiden Riegel 4 und 4' zusammenwirken. In dem dargestellten Ausführungsbeispiel besteht jedes Sperrglied aus einem zweiteiligen Sperrstift 9, 109 bzw. 9', 109' der in einer quer zur Einsetzbohrung 14 des Scpliesszylinders 7 bzw. quer zur Lagerbohrung 5 bzw. 5' des zugeordneten Riegels 4 bzw. 4' gerichteten Bohrung im Schlosskörper 2 verschiebbar gelagert ist. Zwischen den beiden Teilen 9 und 109 bzw. 9' und 109' jedes Sperrstifts ist eine schraubenförmige Druckfeder 10 bzw. 10' eingespannt, die einerseits den inneren Sperrstiftteil 109 bzw. 109' gegen den Kernansatz 107 des Schliesszylinders 7 und andererseits den äusseren Sperrstiftteil 9 bzw. 9' gegen den zugeordneten Riegel 4 bzw. 4' drückt. Der verdrehbare, zylindrische Kernansatz 107 des Schliesszylinders 7 weist umfangsseitig im Bereich der Sperrstifte 9, 109 und 9', 109' zwei untereinander um 180° versetzte Abflachungen 11 und 11' auf. Die mit den Riegeln 4 und 4' zusammenwirkenden Sperrstiftteile 9 und 9' weisen kegelstumpfförmige freie Enden auf. Die beiden, in jedem Riegel 4 und 4' vorgesehenen Umfangsnuten 12 und 13 sind durch kegelförmige Seitenwände begrenzt. Die hintere, d. h. in der Nähe des inneren Endes der Riegel 4 und 4' liegende Umfangsnut 13 ist jedoch auf ihrer hinteren, d. h. dem inneren Riegelende entsprechenden Seite durch eine viel steilere Seitenwand begrenzt. An ihren entgegengesetzten, äusseren Enden sind die beiden Riegel 4 und 4' mit je einem Griff 104 bzw. 104' für ihre Handverstellung versehen.The core of the locking cylinder 7, which can be rotated with the key, projects with a core shoulder 107 from the rear inner end of the locking cylinder 7 into the corresponding insertion hole 14 of the lock body 2 and is designed to control two locking elements 9-109 and 9'-109 ', which are equipped with two circumferential grooves 12 and 13 or 12 'and 13' of the two bars 4 and 4 'cooperate. In the illustrated embodiment, each locking member consists of a two-part locking pin 9, 109 or 9 ', 109' which is directed in a transverse to the insertion bore 14 of the Scpliess cylinder 7 or transverse to the bearing bore 5 or 5 'of the associated bolt 4 or 4' Bore in the lock body 2 is slidably mounted. Between the two parts 9 and 109 or 9 'and 109' of each locking pin, a helical compression spring 10 or 10 'is clamped, which on the one hand the inner locking pin part 109 or 109' against the core shoulder 107 of the lock cylinder 7 and on the other hand the outer locking pin part 9 or 9 'presses against the assigned bolt 4 or 4'. The rotatable, cylindrical core shoulder 107 of the lock cylinder 7 has two flats 11 and 11 'offset one from the other in the area of the locking pins 9, 109 and 9', 109 '. The locking pin parts 9 and 9 'cooperating with the bolts 4 and 4' have frustoconical free ends. The two circumferential grooves 12 and 13 provided in each bolt 4 and 4 'are delimited by conical side walls. The rear, d. H. However, in the vicinity of the inner end of the bars 4 and 4 'lying circumferential groove 13 is on its rear, d. H. the side corresponding to the inner transom end is bounded by a much steeper side wall. At their opposite, outer ends, the two bolts 4 and 4 'are each provided with a handle 104 or 104' for manual adjustment.

In der Offenstellung des Vorhängeschlosses ist der Kernansatz 107 des Schliesszylinders 7 mit Hilfe des Schlüssels so verdreht, dass seine Abflachungen 11 und 11' den inneren Sperrstiftteilen 109 und 109' zugekehrt sind und infolgedessen ein tieferes Eindringen dieser Sperrstiftteile 109, 109' in die Einsetzbohrung 14 für den Schliesszylinder 7 zulassen, wie insbesondere in Fig. 4 dargestellt ist. Die äusseren Sperrstiftteile 9 und 9' können deshalb federnd nach innen ausweichen und gestatten es, dass die beiden Riegel 4 und 4' mit Hilfe ihrer äusseren Griffe 104 bzw. 104' in eine Offenstellung ausgezogen werden, in der sie die zugeordneten Einschnitte 3 bzw. 3' freigeben und durch den federnden Eingriff der äusseren Sperrstiftteile 9 und 9' in die hinteren Umfangsnuten 13 bzw. 13' festgehalten werden, wie in Fig. 4 für den oberen Riegel 4 dargestellt ist. Das vollständige Ausziehen der Riegel 4 und 4' aus dem Schlosskörper 2 wird durch die steilere hintere Begrenzungswand der Umfangsnuten 13 verhindert oder erfordert die Anwendung einer sehr grossen Zugkraft. In der Offenstellung der Riegel 4 und 4' werden die beiden, untereinander zu verbindenden Kettenglieder M und M' in je einen kopfseitigen Einschnitt 3 bzw. 3' des Vorhängeschlosses eingesetzt und die Riegel 4 und 4' werden dann in ihre Schliesstellung eingedrückt, in der sie den zugeordneten Einschnitt 3 bzw. 3' durchsetzen und durch das darin eingelegte Kettenglied M bzw. M' greifen, wie in Fig. 3 dargestellt ist. Da sich dabei der Kernansatz 107 des Schliesszylinders 7 ebenfalls in seiner Offenstellung nach Fig. 4 befindet, werden die äusseren Sperrstiftteile 9 und 9' beim Eindrücken der Riegel 4 und 4' aus den hinteren Umfangsnuten 13 und 13' ausgedrückt und greifen anschliessend nach dem Einschieben der Riegel 4 und 4' in deren vordere . Umfangsnuten 12 und 12' ein. Dadurch werden die Riegel 4 und 4' zwar in ihre eingeschobene Schliesstellung festgehalten, jedoch noch nicht gesperrt. Dazu wird der Kernansatz 107 des Schliesszylinders 7 mit Hilfe des Schlüssels derart um etwa 180° verdreht und in seine Schliesstellung gebracht, in der die inneren Sperrstiftteile 109 und 109' durch die vollzylindrischen Oberflächenteile des Kernansatzes 107 federnd nach aussen fast bis zur Anlage gegen den zugeordneten, äusseren Sperrstiftteil 9 bzw. 9' gedrückt werden, wie in Fig. 3 dargestellt ist. Der Kernansatz 107 des Schliesszylinders 7 verhindert dadurch über die als Anschläge wirkenden, inneren Sperrstiftteile 109 und 109' das federnde Ausrasten der äusseren Sperrstiftteile 9 und 9' aus den vorderen Umfangsnuten 12 und 12' der beiden Riegel 4 und 4' und sperrt diese in ihrer eingeschobenen Schliesstellung.In the open position of the padlock, the core shoulder 107 of the lock cylinder 7 is rotated with the help of the key so that its flats 11 and 11 'face the inner locking pin parts 109 and 109' and, as a result, these locking pin parts 109, 109 'penetrate deeper into the insertion hole 14 allow for the lock cylinder 7, as shown in particular in Fig. 4. The outer locking pin parts 9 and 9 'can therefore resiliently deflect inwards and allow the two bolts 4 and 4' to be pulled out into an open position with the aid of their outer handles 104 and 104 ', in which they can hold the associated incisions 3 and 3 'release and be held by the resilient engagement of the outer locking pin parts 9 and 9' in the rear circumferential grooves 13 and 13 ', as shown in Fig. 4 for the upper bolt 4. The complete removal of the bars 4 and 4 'from the lock body 2 is prevented by the steeper rear boundary wall of the circumferential grooves 13 or requires the use of a very large tensile force. In the open position of the bolts 4 and 4 ', the two chain links M and M' to be connected to each other are inserted into a head-side recess 3 or 3 'of the padlock and the bolts 4 and 4' are then pressed into their closed position in which they pass through the associated incision 3 or 3 'and reach through the chain link M or M' inserted therein, as shown in FIG. 3. Since the core shoulder 107 of the locking cylinder 7 is also in its open position according to FIG. 4, the outer locking pin parts 9 and 9 'are pressed out of the rear circumferential grooves 13 and 13' when the bolts 4 and 4 'are pressed in and then engage after insertion the latch 4 and 4 'in the front . Circumferential grooves 12 and 12 '. As a result, the bolts 4 and 4 'are held in their inserted closed position, but are not yet locked. For this purpose, the core extension 107 of the lock cylinder 7 is rotated by the key by approximately 180 ° and brought into its closed position, in which the inner locking pin parts 109 and 109 'through the fully cylindrical surface parts of the core extension 107 resiliently outwards almost to the contact with the associated one , outer locking pin part 9 or 9 'are pressed, as shown in Fig. 3. The core shoulder 107 of the lock cylinder 7 thereby prevents the resilient disengagement of the outer locking pin parts 9 and 9 'from the front circumferential grooves 12 and 12' of the two bolts 4 and 4 'via the inner locking pin parts 109 and 109' acting as stops and locks them in their inserted closed position.

Die äusseren Enden der Riegel 4 und 4' weisen eine kopfseitige Sackbohrung 6 auf, wie in Fig. 3 für den oberen Riegel 3 dargestellt ist. Mit dieser Sackbohrung 6 wird der in Schliesstellung vom Vorhängeschloss vorspringende Teil der Riegel 4 und 4' so weit geschwächt, dass ein Ergreifen und Herausziehen der Riegel 4 und 4' mit Hilfe eines die Anwendung einer grossen Kraft zulassenden Aufbruchwerkzeugs unmöglich ist, da der äussere geschwächte, mit dem Aufbruchwerkzeug ergriffene Riegelteil noch vor dem Ausreissen der Riegel abbricht.The outer ends of the bolts 4 and 4 'have a blind bore 6 at the head, as shown in FIG. 3 for the upper bolt 3. With this blind hole 6, the part of the latches 4 and 4 'projecting from the padlock in the closed position is weakened to such an extent that it is impossible to grasp and pull out the latches 4 and 4' with the aid of a break-open tool which allows the use of a large force, since the outer weakened , the bolt part which has been gripped with the demolition tool breaks off before the bolt is torn out.

Die Lagerbohrungen 5 und 5' für die Riegel 4 und 4' und die Einsetzbohrung 14 für den Schliesszylinder 7 sind als durchgehende Bohrungen im Schlosskörper 2 ausgebildet und auf der der Riegelgriffseite bzw. der Schlüsseleinführungsseite entgegengesetzten Seite vom äusseren, rohrförmigen Verstärkungsmantel 1 abgeschlossen. Auch die kopfseitig im Schlosskörper 2 vorgesehenen Einschnitte 3 und 3' für die Aufnahme der Kettenglieder M und M' sind als quer zum Schlosskörper 2 durchgehende Einschnitte ausgebildet und seitlich vom äusseren rohrförmigen Verstärkungsmantel 1 abgeschlossen. Dadurch wird die Herstellung des Vorhängeschlosses vereinfacht und dessen Sicherheit erhöht. Im Bereich der seitlichen Abschlüsse der Einschnitte 3 und 3' kann der rohrförmige Verstärkungsmantel 1 je eine nach aussen vorspringende Ausbuchtung 101 aufweisen, die die Breite des Aufnahmeraums für das Kettenglied M bzw. M' entsprechend erweitert. Es ist infolgedessen möglich, die Breite des Schlosskörpers 2 kleiner als die Breite der zu verbindenden Kettenglieder M und M' zu wählen und diese trotzdem zur Erhöhung der Sicherheit seitlich durch den äusseren rohrförmigen Verstärkungsmantel 1 abzudecken.The bearing bores 5 and 5 'for the bolts 4 and 4' and the insertion bore 14 for the lock cylinder 7 are designed as continuous bores in the lock body 2 and are closed off on the side opposite the bolt handle side or the key insertion side by the outer tubular reinforcement jacket 1. The incisions 3 and 3 'provided on the head side in the lock body 2 for receiving the chain links M and M' are designed as incisions which run transversely to the lock body 2 and are laterally closed by the outer tubular reinforcement jacket 1. This simplifies the manufacture of the padlock and increases its security. In the area of the lateral ends of the incisions 3 and 3 ', the tubular reinforcement jacket 1 can each have an outwardly projecting bulge 101, which correspondingly extends the width of the receiving space for the chain link M or M'. As a result, it is possible to choose the width of the lock body 2 smaller than the width of the chain links M and M 'to be connected and to cover them laterally to increase security by the outer tubular reinforcement jacket 1.

Claims (5)

1. A padlock for connecting two members (M, M'), in particular two end members of a chain, comprising a lock body (2) which has an external tubular strengthening casing (1) of a material which is more resistant than the lock body, and two openings (3, 3') which are open at the periphery, for accommodating respective members (M, M') of the chain, and two mounting bores (5, 5') which each extend transversely with respect to a respective one of said openings (3, 3'), wherein a lock cylinder (7) which is actuable by means of a key and which is in parallel-axis relationship to the mounting bores (5, 5') is fitted in the lock body (2) and mounted longitudinally displaceably in each mounting bore (5, 5') is a straight bolt member (4, 4') which in the extended open position leaves the associated opening (3, 3') in the lock body (2) open and which in the retracted closed position passes through said opening (3, 3'), in that position engages through the member (M, M') of the chain which is fitted therein, and can be secured in position by a blocking member (9-109, 9'-109') which is controlled by the lock cylinder (7) and which is mounted in the lock body (2) movably away from and towards the bolt member (4, 4') and which engages into a peripheral groove (12, 12') in the bolt member (4, 4'), characterised in that the two bolt members (4, 4') and the corresponding mounting bores (5, 5') of the lock body (2) are arranged on opposite sides of the lock cylinder (7) and the associated openings (3, 3') for receiving the members (M, M') of the chain are provided in the respective end surfaces of the lock body (2), and that the external tubular strengthening casing (1) is directed with its longitudinal axis transversely with respect to the bolt members (4, 4') and the lock cylinder (7) and is provided with a respective lateral through opening (105, 105', 8) in the region of each of the bolt members (4, 4') and the key opening (207) of the lock cylinder (7).
2. A padlock according to claim 1 characterised in that the external tubular strengthening casing (1) extends as far as the end surfaces of the lock body (2), which are provided with the openings (3, 3') for receiving the members (M, M') of the chain.
3. A padlock according to claim 1 and claim 2 characterised in that the openings (3, 3') for accommodating the members (M, M') of the chain are in the form of openings which extend continuously in the transverse direction of the lock body (2) and which are covered and closed off laterally by the external tubular casing (1).
4. A padlock according to claims 1 to 3 characterised in that the external tubular strengthening casing (1), in the region of the lateral terminations of the openings (3, 3'), has a respective outwardly projecting bulge portion (101) defining the space for accommodating the member (M and M' respectively) of the chain.
5. A padlock according to one of claims 1 to 4 characterised in that associated with each bolt member (4, 4'), as a blocking member, is a blocking pin (9-109, 9'-109') which is mounted in the lock body (2) displaceably transversely with respect to the bolt member and which comprises two pin portions (9 and 109 ; 9' and 109' respectively) which are urged resiliently apart in the axial direction, wherein the two blocking pins (9-109 and 9'-109') are arranged in coaxial relationship on opposite sides of a core projection (107), which is rotatable with the key, of the lock cylinder (7), between said core projection (107) and a respective bolt member (3, 3'), and the pin portions (9, 9') which are towards the bolt members (3, 3') are each associated with at least one respective peripheral groove (12, 13 and 12', 13') of the respective bolt members, as retaining pins, and the pin portions (109, 109') which are towards the lock cylinder (7) and which are formed as stroke movement-limiting abutments for the retaining pins bear against the peripheral surface of the core projection (107) which has a cylindrical peripheral shape with two flats (11, 11') which are set at 180° relative to each other.
EP83100820A 1982-02-12 1983-01-28 Padlock for joining two chain-links Expired EP0086381B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100820T ATE16620T1 (en) 1982-02-12 1983-01-28 PADLOCK FOR CONNECTING TWO LINKS OF A CHAIN.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT476782U 1982-02-12
IT8204767U IT8204767V0 (en) 1982-02-12 1982-02-12 ARMORED PADLOCK, PARTICULARLY FOR CHAINS

Publications (3)

Publication Number Publication Date
EP0086381A2 EP0086381A2 (en) 1983-08-24
EP0086381A3 EP0086381A3 (en) 1983-11-09
EP0086381B1 true EP0086381B1 (en) 1985-11-21

Family

ID=11113538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100820A Expired EP0086381B1 (en) 1982-02-12 1983-01-28 Padlock for joining two chain-links

Country Status (4)

Country Link
EP (1) EP0086381B1 (en)
AT (1) ATE16620T1 (en)
DE (1) DE3361249D1 (en)
IT (1) IT8204767V0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5823025A (en) * 1991-08-15 1998-10-20 Phifer; Sherwood Lock system with a lock-out safety device for wheeled vehicles
US5265451A (en) * 1991-08-15 1993-11-30 Sherwood Phifer Motorcycle lock
DE10026701A1 (en) * 2000-05-30 2001-12-06 Bremicker Soehne Kg A U-lock
ITMI20040223U1 (en) * 2004-05-13 2004-08-13 Maggi Catene Spa ANTI-THEFT DEVICE WITH LOCK-DISC EQUIPPED WITH ADDITIONAL CLOSURE FOR THE COMMITMENT WITH A FLEXIBLE ANCHORING ELEMENT
KR20170128451A (en) * 2015-03-12 2017-11-22 도이체 텔레콤 악티엔 게젤샤프트 Closing and Locking

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810756A1 (en) * 1977-03-14 1978-09-21 Viro Innocenti Spa PADLOCK
FR2457952A1 (en) * 1979-05-30 1980-12-26 Neiman Sa Anti-theft chain for bicycle - has spigot and socket lock released by plunger key using sprung arrow-head bolts which catch spigot window

Also Published As

Publication number Publication date
ATE16620T1 (en) 1985-12-15
EP0086381A3 (en) 1983-11-09
EP0086381A2 (en) 1983-08-24
DE3361249D1 (en) 1986-01-02
IT8204767V0 (en) 1982-02-12

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