EP0509682B1 - Zylinderschloss - Google Patents

Zylinderschloss Download PDF

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Publication number
EP0509682B1
EP0509682B1 EP92302932A EP92302932A EP0509682B1 EP 0509682 B1 EP0509682 B1 EP 0509682B1 EP 92302932 A EP92302932 A EP 92302932A EP 92302932 A EP92302932 A EP 92302932A EP 0509682 B1 EP0509682 B1 EP 0509682B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
closure element
annular
lock cylinder
annular part
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
EP92302932A
Other languages
English (en)
French (fr)
Other versions
EP0509682A1 (de
Inventor
Herbert Philipp Häuser
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.)
Dom Sicherheitstechnik GmbH and Co KG
Original Assignee
Dom Sicherheitstechnik GmbH and Co KG
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 Dom Sicherheitstechnik GmbH and Co KG filed Critical Dom Sicherheitstechnik GmbH and Co KG
Publication of EP0509682A1 publication Critical patent/EP0509682A1/de
Application granted granted Critical
Publication of EP0509682B1 publication Critical patent/EP0509682B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • E05B17/047—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member with rotating output elements forming part of cylinder locks, e.g. locking cams of double cylinder locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/10—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam
    • E05B9/105—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam including disengagement means, e.g. opening from one side being still possible even if the key is inserted from the other side

Definitions

  • the present invention relates to a lock cylinder with a cylinder core which is rotatably mounted in the cylinder housing, has a key channel and is secured by a snap ring at the inner end and with a closure element hub which is arranged coaxially in front of the end face thereof, consisting of an annular part with a closure element nose arranged radially thereto.
  • lock cylinders constructed as double profile cylinders a distinction is made between symmetrically shaped lock cylinders of normal length and other types of lock cylinders.
  • the dimension from the threaded bore for the lock cylinder fastening screw to the end faces of the lock cylinder is equal. If a longer lock cylinder half is required, this can be achieved by using extension pieces. In that case, the cylinder cores do not have to be altered. However, if the length of one lock cylinder half is shorter than the normal length of a lock cylinder then it is necessary to use shortened cylinder cores, demanding additional production costs and increased warehousing. In addition, an optimum number of tumblers can no longer be achieved. Shortened cylinder cores may also be necessary with shortened half cylinders.
  • the invention provides a lock cylinder with a cylinder core which is rotatably mounted in the cylinder housing, has a key channel and is secured by a snap ring at the inner end and with a closure element hub which is arranged coaxially in front of the end face thereof, consisting of an annular part with a closure element nose arranged radially thereto, characterised in that the closure element hub consists of two annular parts which are located one behind the other in the axial direction of the cylinder core and are coupled to one another in the region of the closure element nose and the securing snap ring rests in the region of the joint between the annular parts.
  • the lock cylinder according to the invention preferably comprises a positive connection between the two closure element noses, in particular a positive connection which consists of a radially lying groove/spring plug-in connection.
  • one annular part is equipped with a projecting annular collar on the flank remote from the annular part so that it can be introduced in a mounting manner into an annular groove of the cylinder housing.
  • the mutually facing broad sides of the closure element noses are preferably provided as spacer surfaces for forming a gap to receive the snap ring between the mutually facing annular part end faces.
  • the two annular parts preferably have different axial lengths and the annular part with the greater axial length contains a coupling co-operating with the face ends of the cylinder cores of a double lock cylinder.
  • the cylinder cores can invariably be equal in length regardless of the overall length of the lock cylinder.
  • the design according to the invention can be used with both double cylinders and with half cylinders. This leads to advantages, in particular with respect to production and storage.
  • the shortened cylinder half can also invariably be equipped with an optimum number of tumbler pins.
  • the above-mentioned advantages are possible because that the closure element hub consists of two annular parts which are located one behind the other in the axial direction of the cylinder core and are coupled to one another in the region of the closure element nose.
  • the cylinder core can then project with its inner end into one annular part by a greater amount than with a cylinder half of normal length.
  • the axial position of the cylinder core is accordingly secured by the securing snap ring arranged in the region of the joint between the annular parts.
  • the closure element noses which are identical in plan complement each other in the region of the joint between the annular parts to form a single nose so that closure elements of locks such as mortise locks can be actuated in conventional manner.
  • Optimum forces on such closure elements can be transmitted by a positive connection between the two closure element noses.
  • the positive connection can consist of a hole/peg coupling.
  • a radially located groove/spring plug-in connection can also serve as a positive connection.
  • the advantage of the last-mentioned plug-in connection results in better running of the tumblers and to improve lock closure.
  • the annular part partially penetrated by the cylinder core of the shorter cylinder half is additionally supported by the protruding annular collar of the remote flank, which annular collar dips in a supporting manner in an annular groove of the cylinder housing.
  • This annular part is therefore also supported on both sides and consequently satisfies the condition for stable mounting in combination with a long service life.
  • the mutually facing broad sides of the closure element noses are designed as spacer surfaces to form a gap for receiving the snap ring between the mutually facing annular part end faces.
  • the lock cylinder is constructed as a double cylinder, it has proven advantageous to provide the two annular parts with different axial lengths.
  • the annular part with the greater axial length serves to receive a coupling co-operating with the face ends of the cylinder cores.
  • the coupling can be created, for example, such that the closure of one cylinder half is still possible even if the key is inserted and rotated in the other cylinder half. If one cylinder half has a size greater than the normal length, then it will be appreciated that the face end of the corresponding cylinder core is formed by an extension piece which is positively connected to the corresponding inner end of the appropriate cylinder core.
  • the lock cylinder is a profile double cylinder 1.
  • Its cylinder housing 2 comprises a portion 2' with a circular cylindrical cross section and a flange portion 2'' extending radially thereto.
  • a recess 3 which runs into the flange portion 2'' and serves to receive a closure element hub 4 is offset from the transverse centre plane and issues from the circular cylindrical portion 2'.
  • the closure element hub 4 is a carrier of a closure element nose 5 arranged radially to it.
  • the portion extending below the recess 3 is traversed by a threaded bore 6 for receiving a lock cylinder fastening screw which is not illustrated.
  • the offset arrangement of the recess 3 produces a shorter cylinder half K and a longer cylinder half L, measured from the centre of the threaded bore 6 to the corresponding end faces of the cylinder housing 2.
  • the shorter cylinder half K is shorter than that of a profile double cylinder of normal length, whereas the cylinder half L, is longer.
  • the cylinder halves K, L have, in the circular cylindrical portion 2', core bores 7 extending in the longitudinal direction thereof for receiving identically shaped cylinder cores 8.
  • Each cylinder core 8 has a key channel 9 and radially orientated bores 10 opening into the key channel.
  • the bores are aligned with housing bores 11 which are sealed in a known manner at the flange end.
  • the bores 10, 11 serve to receive tumbler pins composed of core pins 12 and housing pins 13.
  • Compression springs 14 load the housing pins 13 which, in turn, shift the core pins 12 into the key channel 9.
  • One key channel wall limits the path of immersion of the core pins 12.
  • the key channel 9 is located in the horizontal plane passing through the longitudinal axis of the cylinder cores 8.
  • the key 15 contains the closure indentations (not illustrated) on its broad faces.
  • the closure indentations are selected such that, after insertion of the key 15, the tumbler pins are orientated so that the joint between the tumbler pins 12 and the housing pins 13 is located at the level of the sliding joint of the cylinder core 8.
  • the closure indentations are preceded by ramps 16 which run from one broad face of the key shank to the other and are shaped as grooves.
  • each cylinder core 8 In the vicinity of its inner face end, each cylinder core 8 is provided with an annular groove 17.
  • the outer face end of each cylinder core 8, forms a collar 18 which has a greater cross section and, as shown in Figure 3, projects fittingly into a greater cross-section portion of the core bore 7.
  • the axial position of the cylinder core 8 of the longer housing half L is secured by a snap ring 19 which projects into the annular groove 17.
  • the snap ring 19 can be introduced through a transverse recess 20 in the longer cylinder half, this transverse recess 20 extending at the level of the circular cylindrical portion 2'.
  • the snap ring 19 rests on the wall, facing the collar 18, of the transverse recess 20.
  • a bore 21 communicating with a greater diameter blind bore 22 issues from the inner face end of each cylinder core 8. Its base ends in front of the last tumbler.
  • the key channel 9 opens into the blind bore 22.
  • Grooves 23, 24 of different widths worked into the cylinder core 8 run transversely to the key channel 9 from the free face end of the cylinder core 8 so that the width of the groove 23 is smaller than that of the groove 24.
  • the two grooves lie on a diameter which is orientated at right angles to the longitudinal plane of the key channel 9.
  • the grooves 23, 24 run substantially over half of the blind bore 22.
  • An extension piece 25 is coupled to the cylinder core 8 of the longer cylinder half L.
  • This extension piece 25 corresponds in its construction substantially to the inner end of the cylinder core 8.
  • Corresponding bores 21', 22' are also worked from the opposing end face of the extension piece 24 in an equivalent manner to those in the cylinder core 8. Grooves 23', 24' lying in the diameter are also provided there.
  • Rotation of the cylinder core 8 is transmitted to the closure element hub 4 via a coupling 28.
  • the closure element hub 4 consists of two annular parts 29, 30 which lie one behind the other in axial directions of the cylinder core 8 and are coupled to one another in the region of the closure element nose 5.
  • the securing snap ring 31 for the cylinder core 8 of the shorter cylinder half K extends in the region of the joint of these annular parts 29, 30.
  • the mutually facing broad sides of the closure element noses 5', 5'' are designed as spacer surfaces to form a gap S for receiving the securing snap ring 31 between the facing annular part end faces.
  • the securing snap ring 31 dips into the annular groove 17 of the associated cylinder core 8 and secures it against axial displacement.
  • the closing element hub 4 is formed in two parts, two closure element noses 5' and 5'' exist which form a unit owing to a positive connection.
  • the positive connection consists of a peg 32 which projects beyond the joint of the two closure element noses 5', 5'', issues from the closure element nose 5' and projects positively into a cavity 33 of suitable cross section in the other closure element nose 5''.
  • Figures 7 and 8 show an alternative positive connection.
  • the positive connection consists of a radially lying groove/spring plug-in connection 34, 35.
  • the groove 34 issues from the joint between the two closure element noses 5', 5'' and runs in the annular part 30.
  • the spring 35 of the other closure element nose 5' engages with a fit into the groove 34.
  • the length of the spring 35 is almost as great as the length of the closure element nose 5.
  • the axially lying lengths of the annular parts 29, 30 are of different sizes.
  • the annular part 30 is about twice as long as the annular part 29.
  • the longer annular part 30 is equipped with a projecting annular collar 36 on its flank remote from the other annular part 29 and, with the projecting annular collar 36, enters an annular groove 37 of appropriate cross section in the cylinder housing 2. In this way, the longer annular part 30 receives an appropriate mounting.
  • the shorter annular part 29 is completely penetrated by the cylinder core 8 of the shorter cylinder half K. With its face end located on the other side of the annular groove 17, this cylinder core 8 projects partially into an appropriate diameter bore 38 in the longer annular part 30.
  • the bore 38 runs to the hub wall 39 of the annular part 30 and corresponds in size to the bore 40 of the shorter annular part 29. As is shown in particular in Figure 6, the hub wall 39 ends close to the attachment of the annular collar 36.
  • the hub wall 39 forms an aperture 41 of non-circular cross section in which there are movably guided two plates 42, 43 spaced apart in parallel.
  • a conical spiral spring 44 spreads the plates 42, 43 apart. The spreading apart is limited by the facing ends of the cylinder core 8 and the extension piece 25. In the spread position, however, the plates 42, 43 engage with the hub wall 39.
  • the above-mentioned plates 42, 43 contain coupling openings 45 for the introduction of two coupling elements 46, 47 displaceably arranged in the axial direction of the cylinder cores.
  • the coupling element 46 projects with its inner end 46' into the coupling openings 45 in the plate 43, while completely filling the opening 45.
  • the inner end 46' of the coupling element 46 is topped by two diametrally located wings 48, 49 of different width which are adapted in their width dimension to the grooves 23, 24 of the cylinder core 8 and produce a rotational connection therewith.
  • the opposing coupling element 47 also forms an inner end 47'. According to Figure 3, however, it does not engage with the coupling opening 45 in the plate 42.
  • the inner end 47' of the coupling member 47 is also topped by two coupling wings 48, 49 which engage with the grooves 23', 24' of the extension piece 25.
  • the two coupling elements 46, 47 have a central bore 50 for receiving a peg 51 which is aligned with the cylinder core axis and forms a head 52 at both ends.
  • a compression spring 53 located between the coupling elements 46, 47 is therefore capable of displacing only the coupling elements into the stop position relative to the heads 52 of the peg 51.
  • One of the heads 52 can be produced by upsetting.
  • the profile double lock cylinder operates in the following manner.
  • the tumbler pins are set by its closure indentations such that the joint between the core pins 12 and the housing pins 13 passes to the level of the rotational joint of the cylinder core. However, the key tip does not shift the facing coupling element 46. If the cylinder core 8 is now rotated by means of the key 15, the cylinder core 8 entrains the annular part 30 via the coupling element 46 and plate 43. As the annular part 30 is positively connected to the annular part 29, the annular part 29 is also rotationally displaced.
  • the tumblers are similarly set.
  • the key tip strikes an extension peg 54 which, in turn, displaces the coupling element 47 and positively connects it by its inner end 47' to the plate 42.
  • the compression spring 53 shifts the other coupling element 46 axially so that it disengages from the plate 43, as can be seen from Figure 9.
  • the cylinder core 8 of the longer coupling half L can now be rotated by means of the key 15, the rotational movement being transmitted via the extension piece 25 to the coupling element 47.
  • the plate 42 also entrains the closure element hub 4.
  • the closure element hub 4 is dragged only when the coupling elements 46, 47 reach a congruent position with their wings 48, 49.
  • the plate 43 then engages, under spring loading, with the coupling element 46 so that the closure element hub 4 is entrained as the rotational movement continues.
  • the rotation is also transmitted to the opposing cylinder core.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pens And Brushes (AREA)
  • Fluid-Damping Devices (AREA)
  • Lock And Its Accessories (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Eye Examination Apparatus (AREA)
  • Supports Or Holders For Household Use (AREA)

Claims (6)

  1. Schließzylinder mit einem Zylinderkern (8), der drehbar im Zylindergehäuse (2) montiert ist, einen Schlüsselkanal (9) aufweist und durch einen Sprengring am inneren Ende gesichert ist, und mit einer Schließelementnabe (4), die koaxial vor der Endseite des inneren Endes angeordnet ist, bestehend aus einem ringförmigen Teil mit einer Schließelementnase (5), die radial dazu angeordnet ist, dadurch gekennzeichnet, daß die Schließelementnabe (4) aus zwei ringförmigen Teilen (29, 30) besteht, die hintereinander in Achsrichtung des zylindrischen Kerns (8) plaziert und im Bereich der Schließelementnase (5) miteinander gekuppelt sind, und wobei der sichernde Sprengring (31) im Bereich der Fuge zwischen den ringförmigen Teilen (29, 30) sitzt.
  2. Schließzylinder nach Anspruch 1, dadurch gekennzeichnet, daß es eine positive Verbindung zwischen den beiden Schließelementnasen (5', 5'') gibt.
  3. Schließzylinder nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die positive Verbindung aus einer radial liegenden Nut/Feder-Einsteckverbindung (34, 35) besteht.
  4. Schließzylinder nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß einer der ringförmigen Teile (30) mit einem vorstehenden ringförmigen Kragen (36) auf derjenigen Flanke ausgestattet ist, die vom ringförmigen Teil (29) entfernt liegt, so daß er in einbauender Weise in eine ringförmige Nut (37) des Zylindergehäuses (2) eingeführt werden kann.
  5. Schließzylinder nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die gegenseitig aufeinanderzuweisenden breiten Seiten der Schließelementnasen (5', 5'') als Abstandshalteroberflächen zur Bildung eines Spaltes (S) vorgesehen sind, der zum Aufnehmen des Sprengringes (31) zwischen den Endseiten der gegenseitig einanderzugekehrten ringförmigen Teilen dient.
  6. Schließzylinder nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die beiden ringförmigen Teile (29, 30) unterschiedliche axiale Längen besitzen, und daß der ringförmige Teil mit der größeren axialen Länge eine Kupplung (28) enthält, die mit den Endseiten der zylindrischen Kerne eines Doppelschließzylinders zusammenwirkt.
EP92302932A 1991-04-17 1992-04-03 Zylinderschloss Expired - Lifetime EP0509682B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4112564 1991-04-17
DE4112564A DE4112564A1 (de) 1991-04-17 1991-04-17 Schliesszylinder

Publications (2)

Publication Number Publication Date
EP0509682A1 EP0509682A1 (de) 1992-10-21
EP0509682B1 true EP0509682B1 (de) 1995-03-15

Family

ID=6429808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92302932A Expired - Lifetime EP0509682B1 (de) 1991-04-17 1992-04-03 Zylinderschloss

Country Status (5)

Country Link
EP (1) EP0509682B1 (de)
AT (1) ATE119966T1 (de)
DE (2) DE4112564A1 (de)
DK (1) DK0509682T3 (de)
ES (1) ES2069377T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2761714B1 (fr) * 1997-04-02 1999-06-04 Vachette Sa Cylindre de surete manoeuvrable d'un cote quand une clef est en place de l'autre cote
FR2775716B1 (fr) 1998-03-05 2000-05-19 Vachette Sa Cylindre de surete a barillet double
DE102009025993B3 (de) 2009-06-18 2011-01-20 C. Ed. Schulte Gesellschaft mit beschränkter Haftung Zylinderschloßfabrik Schließeinrichtung sowie Schlüssel für eine Schließeinrichtung
GB201111475D0 (en) * 2011-07-05 2011-08-17 D3 Operations D30 Ltd Protection device for break secure anti-snap profile cylinder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT348889B (de) * 1976-04-06 1979-03-12 Winkhaus Fa August Asymmetrischer doppelzylinder
DE3715972C2 (de) * 1987-05-13 1996-02-15 Dom Sicherheitstechnik Kupplungseinrichtung an Doppel-Schließzylindern

Also Published As

Publication number Publication date
EP0509682A1 (de) 1992-10-21
ATE119966T1 (de) 1995-04-15
DK0509682T3 (da) 1995-07-31
DE69201668D1 (de) 1995-04-20
DE69201668T2 (de) 1995-07-13
DE4112564A1 (de) 1992-10-22
ES2069377T3 (es) 1995-05-01

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