EP0237799B1 - Serrure cylindrique - Google Patents

Serrure cylindrique Download PDF

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Publication number
EP0237799B1
EP0237799B1 EP87102091A EP87102091A EP0237799B1 EP 0237799 B1 EP0237799 B1 EP 0237799B1 EP 87102091 A EP87102091 A EP 87102091A EP 87102091 A EP87102091 A EP 87102091A EP 0237799 B1 EP0237799 B1 EP 0237799B1
Authority
EP
European Patent Office
Prior art keywords
blocking
key
lock
cylinder
locking
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
EP87102091A
Other languages
German (de)
English (en)
Other versions
EP0237799A3 (en
EP0237799A2 (fr
Inventor
Dieter Wienert
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus 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 Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Priority to AT87102091T priority Critical patent/ATE66516T1/de
Priority to KR1019870002442A priority patent/KR900008653B1/ko
Publication of EP0237799A2 publication Critical patent/EP0237799A2/fr
Publication of EP0237799A3 publication Critical patent/EP0237799A3/de
Application granted granted Critical
Publication of EP0237799B1 publication Critical patent/EP0237799B1/fr
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
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0042—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with additional key identifying function, e.g. with use of additional key operated rotor-blocking elements, not of split pin tumbler type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0035—Key profiles characterized by longitudinal bit variations
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00—Keys; Accessories therefor
    • E05B19/0017—Key profiles
    • E05B19/0041—Key profiles characterized by the cross-section of the key blade in a plane perpendicular to the longitudinal axis of the key
    • E05B19/0052—Rectangular flat keys

Definitions

  • the invention relates to a lock cylinder comprising a lock cylinder housing, in particular a lock cylinder housing with a HAHN profile, a lock cylinder core rotatably mounted in a cylinder core bore of the lock cylinder housing with a key channel for receiving an adapted key, spring-loaded pin tumblers with spring-loaded housing pin receptacles accommodated in housing bores and associated core bore pins accommodated in housing bores.
  • the lock cylinder core is provided with additional locking pin holes for receiving springless additional locking pins serving as additional tumblers, which are controlled with their end near the key by an additional locking pin-controlling, level-varied side surface area of the key, with their respective end remote from the key channel, each with a locking pin recess in the Circumferential surface of the cylinder core bore cooperate like a cam and can be disengaged from the respective additional locking pin recess by adjusting the key by turning the locking cylinder core.
  • These slots accommodate double-arm locking levers, which are pivotably mounted about a locking lever pivot axis parallel to the cylinder core axis, each have a locking projection on both arms for engaging in a locking projection recess on the inner circumferential surface of the cylinder bore, on one arm in control connection with a locking lever-controlling, level-varied side surface area of the key stand, are spring-loaded in the sense of maintaining this control connection and can be lifted out of both locking projection recesses by means of the adapted key with both locking projections.
  • German patent specification 20 03 059 it is known to provide the locking cylinder core with additional locking pin bores in a locking cylinder of the type described at the outset, which are occupied by springless additional locking pins; These additional locking pins are controlled with their end near the key by an additional locking pin controlling, level-varied side surface area of the key and interact with their respective end remote from the key channel with a locking pin recess in the circumferential surface of the cylinder core bore in a cam-like manner and are disengaged from the respective locking pin recess when the key is adjusted by turning the lock cylinder core.
  • EP-A 0067 388 it is known to accommodate spring-loaded pin tumblers and additional locking pins in corresponding bores in a lock cylinder in one and the same plane perpendicular to the lock cylinder axis.
  • the additional locking pins are in the case of an adapted key so that the housing-side tumbler pins slide over recesses of the lock cylinder core when the lock cylinder core is rotated, while if the key is not suitable, the housing-side tumbler pins hook into the boundary edges of the recesses of the lock cylinder core and the further rotation of the lock cylinder.
  • the recesses are therefore intended to interact with the tumbler pins on the housing and not to accommodate additional supplementary tumblers in addition to the additional locking pins already mentioned.
  • the invention has for its object to provide a lock cylinder which differs from the known lock cylinders by a greater possibility of variation of lock cylinders of the same basic type and is more difficult for an unauthorized person to see through and more difficult to solve.
  • the two locking lever projections are only disengaged from the respective locking projection recess at a single pivoting angle position of the double arm locking lever, i.e. both are at the same time approximately flush with the inner circumferential surface of the cylinder core bore.
  • This embodiment is also suitable for locking systems.
  • This embodiment is of particularly high safety value because it is not or only extremely difficult to bring all the locking levers into their only one angular position at a time, in which the rotation of the cylinder core is released, by means of a needle or a comparable auxiliary instrument.
  • the control connection between the double-arm locking lever and the locking lever-controlling, level-varied side surface area of the key can in each case be established by means of a control pin which is received by a control pin bore connecting the respective slot base with the key channel.
  • This embodiment offers inter alia the advantage that the slots themselves do not have to be brought up to the key channel, so that the slot in the cylinder core can be made in a simple form and does not lead to excessive weakening of the cylinder core.
  • the embodiment with control pins opens up the possibility of using the same locking lever and the variations in adapting to different release levels of the level-varied side surface area of the key can be achieved by correspondingly different control pin lengths with regard to the smallest possible number of different components of the locking cylinder.
  • the diameter of the control pin bore is larger than the slot width and that the two slot side surfaces cut like a cylinder segment. In this way, an extended guidance of the control pins can be achieved in order to avoid undesired canting, and moreover the control pin bores can be drilled with an enlarged diameter in order to simplify production.
  • a double-arm locking lever is acted upon by a helical compression spring which is received by a spring bore that cuts the slot side surfaces of the respective slot and / or the slot base. This design is desirable with a view to simple assembly of the locking cylinder.
  • this embodiment provides for an extended guidance of the additional locking pins in the associated additional locking pin bores, on the other hand, it enables a desired enlargement of the double arm locking lever, which in turn leads to simplified handling during assembly.
  • the additional locking pins and accordingly the additional locking pin holes and / or the control pins and accordingly the Control pin bores have a diameter gradation, each with a smaller-diameter bore section near the key channel and a larger-diameter bore section away from the key channel.
  • the lock cylinders according to the invention can in principle be designed with a wide variety of key profiles. However, it is advisable to design the keys as flat keys, which means that the level-varied side surface areas are level-varied by drilling or milling of correspondingly raised side surface areas.
  • the flat keys are particularly desirable for the user who carries the key in a garment pocket, possibly on a keychain, together with several other keys and therefore wishes to have as few bulky keys as possible.
  • the flat keys can be designed as flat keys with a cross-sectional profile, which find corresponding complementary counter profiles of the key channels.
  • the slots are milled with a circular milling cutter with a circularly curved slot base.
  • this embodiment is readily possible if the control connection of the double arm locking lever with the key side surfaces is established via control pins.
  • the locking projection recesses and the additional locking pin recesses are formed in a sleeve which is inserted into a housing bore of the locking cylinder.
  • the sleeve be covered at its front end by an end plate of the locking cylinder core.
  • a flat key that fully utilizes the possibilities of the locking cylinder according to the invention is characterized in that it has, at different distances from the key back on at least one side surface, a level-varied, locking lever-controlling side surface area and a level-varied, additional locking pin-controlling side surface area.
  • An associated flat key blank is characterized by that he has a sufficiently raised profile area for the formation of the locking lever-controlling, level-varied side surface area and for the formation of the additional locking pin-controlling, level-varied side surface area at different distances from the key spine. In the raised profile areas, only holes or millings need to be made to vary the level. These holes and millings can be made in the factory of the manufacturer and also at the authorized locksmith with the usual work processes and machines, without opening the door to the unauthorized key imitation.
  • the locking cylinders according to the invention are suitable for both individual locking and locking systems.
  • the locking cylinder in question is different from other locking cylinders of the same basic type by differently fitting the slots with double arm locking levers and additional locking pins and / or by different shapes of the double arm locking levers and possibly different lengths of the control pins and / or by different lengths of the Additional locking pins and / or differentiated by different pin tumblers with correspondingly different key chest design and / or by different profile design of the key channel and accordingly the key.
  • the basic structure of the locking cylinder according to the invention opens up a much higher possible variation than previous locking cylinders, whereby the optional use of double-arm locking levers and locking pins allows this variation possibility to be increased without one has to resort to an overly fine gradation of the key profiles and / or an overly fine gradation of additional platelets in the pin tumblers.
  • the individual locking cylinders can be arranged within the plurality by different plate arrangements Distinguish the pin tumblers and / or by different profiling of the keys and thus the key channels and / or by different additional locking pin arrangements. It is conceivable to increase the locking variation in such a locking system by different positions of the double arm locking levers in such a way that the individual locking cylinders of the plurality differ from one another by differently occupying the slots with double arm locking levers.
  • each locking cylinder comprising a locking cylinder housing, in particular a locking cylinder housing with a HAHN profile, a locking cylinder core rotatably mounted in a cylinder core bore of the locking cylinder with a key channel for receiving an adapted individual key and tumblers which level-varied side surface areas of the key are controlled and cooperate with recesses in the inner circumferential surface of the housing bore, the lock cylinder core being provided in the lock cylinders on at least one, preferably on both sides of the key channel with slots spaced in the axial direction and essentially perpendicular to the cylinder core axis, and at least part of these slots receives double-arm locking levers which can be pivoted about a locking lever pivot axis parallel to the cylinder core axis are on each arm have a locking projection for engaging in a locking projection recess on the inner circumferential surface of the housing bore, on one arm in control connection with a locking lever-
  • the locking lever-controlling, level-varied side surface areas of the adapted individual key have release levels with at least two different level heights, namely a higher level height and a lower level height
  • the locking levers have a swivel angle range of finite angle value within which they disengage with both locking projections
  • a preferred form of a locking system with a group of locking cylinders is constructed in such a way that at least some of the locking cylinders within the group differ from one another by different positions of double arm locking levers that can be released at the same level, that the individual keys each have release levels of the same level where the corresponding locking cylinder is located there are lock levers that can be released at the same level and that a higher-level key has release levels of the same level for all lock levers of several or all lock cylinders of the group that can be released at the same level.
  • locking levers can be used, which are only in a single pivoting position with both locking projections out of engagement with the locking projection recesses, which is of considerable importance with regard to the security value of the locking cylinder.
  • Such a combination can be obtained in a simple manner in that the slots in the lock cylinder core, which cut the side walls of the slots in the manner of a cylinder segment and open into the key channel, and the control pin bores connecting the bottom of the slot with the key channel, are drilled or drilled in such a way that the openings of the Additional locking pin bores and the control pin bores each lie in axially parallel openings with different distances from the outer circumference of the lock cylinder core, that at least part of the slots are each occupied with a double arm locking lever and the associated control pin bores each with a control pin, that at least a part of the additional locking pin bores coinciding with unoccupied slots Additional locking pins are used to provide a key blank that is profile-matched to the key channel and that is spaced at intervals of one ndungs Herbertn corresponding one of the outer periphery of the lock cylinder core distances from the key spine each have a sufficiently raised profile area for the formation of the locking lever-controlling, level-varied side surface area
  • the housing of a lock cylinder is designated 10 and executed with HAHN profile.
  • the lock cylinder housing 10 has a cylinder core bore 12 which receives a lock cylinder core 14.
  • the inner circumferential surface of the cylinder core bore is designated 12a.
  • the lock cylinder core 14 has a key channel 16 in which an adapted flat key 17 is received.
  • the lock cylinder housing 10 has housing bores 18 which receive housing pins 19.
  • core bores 20 are provided, which are intended for receiving core pins 21.
  • the key 17 has a serrated key face 22, which is intended to separate the separating surfaces between the housing pins 19 and the core pins 21 in the inner peripheral surface 12a of the cylinder core bore 12 to be classified so that the lock cylinder core 14 can be rotated.
  • plates 23 can be arranged between the housing pins 19 and the core pins 21 in order to enable the cylinder core 14 to rotate with different jagged levels of the key face 22, in particular in locking systems.
  • the cylinder core 14 is designed with axially normal slots 24 on both sides of the key channel 16.
  • the slots 24 are milled with a side milling cutter and have a slot base 24a.
  • Double arm locking levers 26 are mounted on the bearing pins 25.
  • the double arm locking levers 26 each have two locking projections 26a and 26b, which are attached to arms 27a and 27b, respectively.
  • the locking projections 26a and 26b are dimensioned such that they both lie flush with the inner circumferential surface 12a in a single angular position shown in FIGS. 1a and 1b and thus release the lock cylinder core for rotation.
  • a control pin 28 bears against the arm 27a and is displaceably mounted in a control pin bore 29 of the lock cylinder core 14. This control pin 28 engages with its inner end in a key hole 30 of the adapted flat key 17.
  • the depth of the bore 30 of the flat key 17 is dimensioned taking into account the length of the control pin 28 and the shape of the locking lever 26 so that the two locking projections 26a and 26b lie flush with the inner peripheral surface 12a of the cylinder core bore 12 and the cylinder core 14 can be rotated.
  • a plurality of slots 24 are provided on each side of the key channel 16, specifically in the middle between two pin tumblers 19, 21 which follow one another in the axial direction.
  • the slots 24 are widened by stepped additional locking pin bores 31, which each consist of a larger bore section 31a and a smaller bore section 31b.
  • additional locking pins 32 are accommodated, which each consist of a larger-diameter locking pin section 32a and a smaller-diameter locking pin section 32b.
  • the additional locking pin bores 31 penetrate the respective slot base 24a.
  • the additional locking pins 32 abut the flat key 17 with rounded inner ends and are formed with outer rounded ends for engagement in locking pin recesses 33 on the inner circumferential surface 12 a of the cylinder core bore 12.
  • level-varied additional locking pin-controlling side surface areas 34 are arranged at the level of the additional locking pins 32, which cooperate with the additional locking pins 32.
  • the level-varied, additional locking pin-controlling side surface areas 34 of the key 17 have control points drilled and not drilled as release levels.
  • the lengths of all additional locking pins can be the same if the holes in the key are of the same depth and the additional locking pin increases 33 are of the same depth.
  • the additional locking pin 32 engages in the additional locking pin recess 33. It is not shown that the associated level-varied side surface area 34 of the key 17 has a bore for the engagement of the inner end of the additional locking pin 32 as a release level, which is just sufficient to completely remove the radially outer end of the additional locking pin recess 33 from the additional locking pin recess 33 when the additional locking pin 32 is moved inward.
  • the additional locking pin 32 is pushed inward by cam-like interaction of its outer end with the additional locking pin recess 33 into the hole in the flat key 17.
  • the key back is labeled 50.
  • All slots 24 can either be occupied with an additional locking pin 32 or with a locking lever 26. Individual slots can also be empty. The occupation with additional locking pins 32 and locking levers 26 differs from locking cylinder to locking cylinder.
  • the locking lever 26 is loaded by a helical compression spring 35 in the counterclockwise direction, in such a way that, with a suitable flat key 17, the locking projections 26a and 26b lie flush with the inner circumferential surface 12a of the cylinder core bore 12.
  • the locking projections 26a and 26b are opposite locking projection recesses 36a and 36b in the inner peripheral surface 12a of the cylinder core bore 12.
  • the helical compression spring 35 is received in a bore 37, the diameter of which is larger than the width of the slot 24, so that the lateral boundary surfaces of the slot 24 are cut.
  • the level-varied side surface areas of the key, which are intended to interact with the control pins 28, are designated by 38.
  • the bores 30 are received in these side surface areas.
  • 1e shows a section through the adapted flat key 17 at the level of the level-varied side surface areas 38 with the bore 30.
  • FIG. 1b A further locking lever 26 of the same shape is shown in FIG. 1b.
  • This locking lever 26 is located at a point at which the level-varied, locking lever-controlling side surface area 38 has no drilling. Accordingly, a shorter control pin 28 ⁇ is inserted at this point, so that the locking lever 26 with its locking projections 26a and 26b is again flush with the inner peripheral surface 12a.
  • both locking levers 26 Only when the correct flat key 17 is inserted, are both locking levers 26 with their locking projections 26a and 26b out of engagement with the locking projection recesses 36a and 36b.
  • the locking projection recesses 36a, 36b are machined as longitudinal grooves in the inner peripheral surface 12a.
  • control pins 28, 28 ⁇ are provided. If several slots 24 are occupied with locking levers 26 and the bores 30 are all of the same depth or the other control points of the level-varied side area 38 are not drilled, then only two different control pin lengths are required.
  • the additional locking pins 32 have a locking effect if a wrong key 17 'has no drilling or a shallow drilling at the location of the respective additional locking pins.
  • FIGS. 2a and 2b A modified embodiment is shown in FIGS. 2a and 2b. It can be seen that the locking levers 126 are measured in such a way that their locking projections 126a and 126b do not engage in the locking projection recesses 136a and 136b in a limited pivoting range.
  • Figures 2a and 2b show the lock cylinder with the correct key according to Figure 2g. It is assumed that the same slots 124 as in Figures 1a and 1b are again occupied with locking levers 126 and that long and short control pins 128 and 128 ⁇ are assigned to these locking levers again. In Figures 2a and 2b, the locking projections 126a and 126b are approximately the same distance from the inner peripheral surface 112a.
  • FIGS. 2e and 2f show the locking cylinder according to FIGS. 2a and 2b when a superordinate key 117 ⁇ according to FIG. 2i is inserted.
  • the key 117 ⁇ has medium-shallow holes 130 ⁇ in all control positions of the level-varied, locking lever-controlling side surface areas 138, so that all of the existing locking levers 126 are in positions in which the cylinder core 114 can be rotated.
  • the upper locking projection 126a is just flush with the inner peripheral surface 112a, while the lower locking projection 126b is at its maximum distance from the inner peripheral surface 112a.
  • Figure 2f the locking projection 126a maximum distance from the inner peripheral surface 112a, while the locking projection 126b is flush with the inner peripheral surface 112a.
  • the key according to FIG. 2i is a superordinate master key and allows all locking levers 126 to be brought into release positions.
  • This master key has in the locking lever-controlling, level-varied side surface areas 138 consistently deep holes 130 ⁇ , and just so deep that all locking levers 126 with both locking projections 126a, 126b have emerged from the locking projection recesses 136a, 136b.
  • the embodiment according to FIGS. 2a and 2f is intended in particular for locking systems.
  • the locking cylinder within the locking system can u. a. differentiate by differently occupying the slots 124 with locking levers 126 and / or additional locking pins 132.
  • a distinction is also possible by varying the profile of the flat key 117.
  • a distinction can be made by different platelets according to FIG. 1a, position 23, as is customary.
  • control points or release levels 51 which have not been drilled open are each indicated by a reinforced line. These control points differ, however not from the other profile history.
  • FIGS. 3a and 3b A preferred embodiment of a locking system is shown in a schematic illustration in FIGS. 3a and 3b using an exemplary embodiment. Analog parts are provided with the same reference numerals as in Figure 1a, each increased by the number 200.
  • the indices G and H mean the assignment to the positions G and H, while the indices I and II the assignment to two different locking cylinders I and II which, in the example, means only a locking system consisting of two locking cylinders.
  • a locking cylinder has a single locking lever 226 GI in position G.
  • the other locking cylinder according to FIG. 3b has a single locking lever 226HII according to FIGS. 3b and 4b.
  • the locking levers 226GI and 226HII are of the same dimensions and rest on control pins 228 GI and 228 HII of the same length on the respective flat key 217I and 217II, namely the former at the release level 230GI and the second at the release level 230HII. It can be seen that the locking projections 226aGI and 226aHII are flush with the inner peripheral surfaces 212aI and 212aII, respectively. The correct key is therefore present in both locking cylinders, so that the respective cylinder core can be rotated.
  • the key 217II does not fit the locking cylinder according to FIG. 3a and that conversely the key 217I does not fit the locking cylinder according to FIG. 3b.
  • a superordinate key 217I + II with two release levels namely 230GI + II and 230HI + II.
  • the key 217I + II according to FIG. 3c is therefore a superordinate key which is used both for the lock cylinder according to Figure 3a and for the lock cylinder according to Figure 3b fits.
  • FIGS. 5a and 5b show the side views of the keys belonging to FIGS. 3a and 3b.
  • the key according to FIG. 5a shows a locking lever release level 230GI in the level-varied, locking lever-controlling side surface area 238 and an additional locking lever release level 250HI in the additional-pin-controlling, level-varying side surface area 234. Accordingly, the flat key according to FIG Release level 250GII in the additional locking pin-controlling, level-varied side surface area 234. Accordingly, the higher-level key according to FIG 234.
  • the keys 217I, 217II and 217I + II are provided with profiles 251. These profiles can, but do not have to be identical for all three keys.
  • a to H locking levers can be used in each individual locking cylinder of the locking system be provided and accordingly release levels on the associated keys in the respective positions. Where there are no locking levers, additional locking pins can be attached.
  • the locking levers 226GI and 226HII are identical in shape and dimensions to one another, in such a way that they are in a single angular position out of engagement with both associated locking projection recesses 236aGI, 236bGI and 236aHII and 236bHII.
  • the control pins 228GI and 228HII are also of the same length in the entire locking system.
  • the additional locking pins 232HI (FIG. 3a), 232GII (FIG. 3b), 232CI (FIG. 4a) and 232DII (FIG. 4b) are also designed to be of the same level, so that a superordinate key is also possible.
  • the slots required for receiving the locking levers and the additional locking pin bores required for receiving the additional locking pins may also be present in those places where there may be no locking levers and no additional locking pins.
  • the cylinder cores can be made the same for all locking cylinders and that individual locking cylinders differ from one another only by differently filling the slots with locking levers and by differently filling the additional locking pin bores with additional locking pins. This is important for the factory production without the accessibility of the locking cylinders for unauthorized persons being made easier.
  • the release levels 230GI, 230HII, 250HI, 250GII etc. are each formed by bores, the depth of the bores 230 GI and 230HII being the same and the depth of the bores 250HI and 250GII being the same.
  • the profiles 251 of the keys according to FIGS. 5a and 5b can be made different, in which case a higher-level key profile must then be used for the higher-level key according to FIG. 5c, both in the key channel of the locking cylinder according to FIG. 4a and fits into the key channel of the locking cylinder according to Figure 4b.
  • a superordinate key must be designed in its serration in the chest in such a way that it brings the tumbler pin pairs into a release position in the case of several or all locking cylinders of the locking system.
  • FIG. 6 shows an embodiment in which the locking projection recesses 336a and 336b and the additional locking pin recesses 333 are formed in a sleeve 353.
  • This sleeve 353 can be made of stainless steel and inserted, in particular pressed, into a cylinder core bore 312. In this way, the production of the locking projection recesses 336a and 336b is made considerably easier. It is also advantageous that the sleeve 353 can be made of stainless steel, because it significantly reduces the risk of wear of the locking cylinder compared to a locking cylinder in which the locking projection recesses and the additional locking pin recesses are formed directly in the regularly softer material of the locking cylinder housing are.
  • lock cylinder housing is preferably made from a non-ferrous metal, in particular brass, for manufacturing reasons, which is much more sensitive to wear than stainless steel.
  • the locking projection recesses and the additional locking pin recesses can be formed continuously in the sleeve 353, whereby the production is further simplified.
  • FIG. 6 also shows that the locking projection recesses 336a and 336b are rounded at their edges 354a, 354b, 354c and 354d. This is essential if the additional locking pins 332 lie in the same plane as the locking levers 326, so that when the locking cylinder core is turned by means of the inserted key, the additional locking pins 332 can slide over the edges 354a to 354d without the risk of getting caught.
  • FIG. 7 shows that the sleeve 353 is covered by the end plate 355 of the lock cylinder core 314, so that the sleeve 353 is inaccessible and the appearance of the lock cylinder from the end does not differ from conventional lock cylinders.
  • HAHN profile For the term HAHN profile, reference is made to FIG. 6.
  • HAHN profile of the locking cylinder 310 shown in FIG. 6 is referred to in German as "HAHN profile”.
  • the control pin 328 consists of an outer portion 328a of larger diameter and an inner portion 328b of smaller diameter. Accordingly, the control pin bore 329 is composed of an outer portion 329a of larger diameter and an inner portion 329b of smaller diameter. This also ensures that the control pin 328 cannot fall into the closing channel 322.
  • the sleeve 353 With regard to the sleeve 353, it can be seen from FIG. 6 that it has a slot 357. The boundary edges of this slot rest on contact surfaces 356 of the lock cylinder housing 310, so that the sleeve 353 is non-rotatably fixed in the lock cylinder housing.

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  • Lock And Its Accessories (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Vehicle Body Suspensions (AREA)
  • Chairs Characterized By Structure (AREA)
  • Valve Device For Special Equipments (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Braking Arrangements (AREA)

Claims (26)

  1. Cylindre de fermeture comportant un boîtier de cylindre de fermeture (10), notamment un boîtier de cylindre de fermeture à profil HAHN, un noyau de cylindre de fermeture (14) monté tournant dans un alésage de noyau de cylindre (12) du boîtier de cylindre de fermeture (10) avec un canal de clé (16) destiné à recevoir une clé (17) adaptée, des dispositifs d'arrêt à gâchettes (19, 21) soumis à l'action d'un ressort avec des gâchettes de boîtier (19) soumises à l'action d'un ressort, logées dans des alésages de boîtier (18) et des gâchettes de noyau (21) correspondantes, logées dans des alésages de noyau (20), commandées par une denture du panneton de clé (22) et des dispositifs d'arrêt complémentaires (26, 32), placés axialement entre des dispositifs d'arrêt à gâchettes (19, 21) successifs, qui sont commandés par des parties de surfaces latérales (38, 34) de la clé (17), de niveau différent, et coopèrent avec des évidements (36a, 36b, 33) dans la surface périphérique intérieure (12a) de l'alésage de noyau de cylindre (12), et ce de telle sorte que le noyau de cylindre de fermeture (14) soit pourvu de trous pour gâchettes d'arrêt supplémentaires (31), destinés à recevoir des gâchettes supplémentaires (32) sans ressort, servant de dispositifs d'arrêt complémentaires, qui par leur extrémité proche de la clé, sont commandées par une partie de surface latérale (34) de la clé (17), de niveau variable, commandant des gâchettes supplémentaires, et par leur extrémité éloignée du canal de clé, coopèrent à la manière de cames chacune avec un évidement de gâchette (33) pratiqué dans la surface périphérique (12a) de l'alésage de noyau de cylindre (12) et, dans le cas d'une clé (17) adaptée, peuvent être dégagées de l'évidement de gâchette supplémentaire (33) respectif, par rotation du noyau de cylindre de fermeture (14), caractérisé en ce que
    a) le noyau de cylindre de fermeture (14) est pourvu, au moins sur un côté, de préférence sur les deux côtés du canal de clé (16), de fentes (24), espacées axialement, à peu près perpendiculaires à l'axe du noyau de cylindre ;
    b) ces fentes (24) sont conçues pour recevoir des leviers d'arrêt à double bras (26) qui sont montés pivotants autour d'un axe de pivotement de levier d'arrêt (25), parallèle à l'axe du noyau de cylindre, présentent chacune une saillie d'arrêt (26a, 26b) destinée à s'engager chacune dans un évidement de saillie d'arrêt (36a, 36b) sur la surface périphérique intérieure (12a) de l'alésage de noyau de cylindre (12), sont en liaison de commande, sur un bras (27a), avec une partie de surface latérale (38) de la clé (17), de niveau variable, commandant les leviers d'arrêt, sont soumis à l'action d'un ressort dans le sens du maintien de cette liaison de commande et peuvent être relevés des deux évidements de saillie d'arrêt (36a, 36b), par la clé (17) adaptée avec les deux saillies d'arrêt (26a, 26b) ;
    c) les trous de gâchettes supplémentaires (31) se situent avec leur axe de trou à peu près chacun dans un plan médian de fente et entaillent les surfaces latérales de fente respectives en forme de segment de cylindre ;
    d) les trous de gâchettes supplémentaires (31) qui coïncident avec des fentes (24), non occupées par des leviers d'arrêt à double bras (26), peuvent être occupés par des gâchettes supplémentaires (32) sans ressort.
  2. Cylindre de fermeture selon la revendication 1, caractérisé en ce que les deux saillies de levier d'arrêt (26a, 26b) ne sont dégagées chacune simultanément de l'évidement de saillie d'arrêt respectif (36a, 36b) que dans une seule position angulaire de pivotement du levier d'arrêt à double bras (26), c'est-à-dire que toutes deux se trouvent simultanément à peu près dans l'alignement de la surface périphérique intérieure (12a) de l'alésage du noyau de cylindre (12).
  3. Cylindre de fermeture selon la revendication 1 ou 2, caractérisé en ce que la liaison de commande entre un levier d'arrêt à double bras (26) et les parties de surfaces latérales (38), de niveau variable, commandant les leviers d'arrêt, est réalisée par l'intermédiaire d'un doigt de commande (28) qui est logé par un trou de doigt de commande (29), reliant le fond de fente (24a) respectif au canal de clé (16).
  4. Cylindre de fermeture selon la revendication 3, caractérisé en ce que le trou de doigt de commande (29) a un diamètre supérieur à la largeur de fente et entaille les deux surfaces latérales de fente, à la manière d'un segment de cylindre.
  5. Cylindre de fermeture selon l'une des revendications 1 à 4, caractérisé en ce qu'un levier d'arrêt à double bras (26) est sollicité par un ressort de pression hélicoïdal (35) qui est logé par un trou de ressort (37) entaillant les surfaces latérales de fente de la fente (24) respective et/ou du fond de fente (24a).
  6. Cylindre de fermeture selon l'une des revendications 1 à 5, caractérisé en ce que les parties de surfaces latérales (38), de niveau variable, commandant les leviers d'arrêt, de la clé (17) et les parties de surfaces latérales (34) de niveau variable, commandant les gâchettes supplémentaires, de la clé (17), se situent à des distances différentes du dos de la clé.
  7. Cylindre de fermeture selon la revendication 6, caractérisé en ce que les parties de surfaces latérales (38), de niveau variable, commandant les leviers d'arrêt, de la clé (17), sont plus proches du dos de la clé (50) que les parties de surfaces latérales (34) de la clé (17), de niveau variable, commandant les gâchettes supplémentaires.
  8. Cylindre de fermeture selon l'une des revendications 1 à 7, caractérisé en ce que plusieurs, de préférence toutes les fentes (24), sont traversées chacune, sur au moins un côté du canal de clé (16), par un axe de support (25), commun à plusieurs leviers d'arrêt à double bras (26).
  9. Cylindre de fermeture selon l'une des revendications 3 à 7, caractérisé en ce que tous les leviers d'arrêt à double bras (26) sont semblables entre eux.
  10. Cylindre de fermeture selon la revendication 9, caractérisé en ce que des différences de hauteur de niveau des niveaux de déclenchement (30, 51), correspondant aux différents leviers d'arrêt à double bras (36), de la partie de surface latérale (38), de niveau variable, commandant les leviers d'arrêt, sont compensées par des longueurs de doigt de commande (28, 28') différentes.
  11. Cylindre de fermeture selon la revendication 10, caractérisé en ce que les parties de surfaces latérales (38) de la clé (17), de niveau variable, commandant les leviers d'arrêt, présentent des niveaux de déclenchement (30, 51) avec seulement deux hauteurs de niveau différentes et en ce qu'en conséquence, il n'est prévu que deux types de doigts de commande (28, 28') de longueur différente.
  12. Cylindre de fermeture selon l'une des revendications 1 à 11, caractérisé en ce que les gâchettes supplémentaires (32) et donc les trous de gâchettes supplémentaires (31) et/ou les doigts de commande (28, 28') et donc les trous de doigts de commande (29) ont un diamètre étagé avec chaque fois une partie de trou (31b) proche du canal de clé, de diamètre plus petit et une partie de trou (31a) éloignée du canal de clé, de diamètre plus grand.
  13. Cylindre de fermeture selon l'une des revendications 1 à 12, caractérisé en ce que la clé (17) est une clé plate.
  14. Cylindre de fermeture selon la revendication 13, caractérisé en ce que la clé plate (17) est une clé plate profilée.
  15. Cylindre de fermeture selon l'une des revendications 1 à 14, caractérisé en ce que les fentes (24) sont fraisées avec un fond de fente (24a) en courbe circulaire, au moyen d'une fraise à disque.
  16. Cylindre de fermeture selon l'une des revendications 1 à 15, caractérisé en ce que les évidements de saillie d'arrêt (336a, 336b) et les évidements de gâchettes supplémentaires (333) sont formés dans une douille (353) qui est insérée, notamment pressée, dans un alésage de boîtier (312) du cylindre de fermeture (310).
  17. Cylindre de fermeture selon la revendication 16, caractérisé en ce que la douille (353) est fendue et est fixée de manière à ne pas pouvoir tourner, par les bords de fente, contre des surfaces de butée (356) du boîtier de cylindre de fermeture (310), les surfaces de butée (356) étant de préférence symétriques par rapport au plan médian longitudinal du boîtier du cylindre de fermeture (310).
  18. Cylindre de fermeture selon l'une des revendications 16 ou 17, caractérisé en ce que les évidements de saillie d'arrêt (336a, 336b) et/ou les évidements de gâchettes supplémentaires (333) traversent totalement la douille (353) en direction radiale.
  19. Cylindre de fermeture selon l'une des revendications 16 à 18, caractérisé en ce que la douille (353) est recouverte, à son extrémité frontale, par un plateau de fermeture (355) du noyau de cylindre de fermeture (314).
  20. Cylindre de fermeture, notamment pour fermeture à un tour, selon l'une des revendications 1 à 19, caractérisé en ce qu'il diffère d'autres cylindres de fermeture de même construction de base par une occupation différente des fentes (24) avec des leviers d'arrêt à double bras (26) et des gâchettes supplémentaires (32) et/ou par des formes différentes des leviers d'arrêt à double bras (26) et éventuellement des longueurs différentes des doigts de commande (28) et/ou par des longueurs différentes des gâchettes supplémentaires (32) et/ou par des dispositifs d'arrêt à gâchettes (29, 21) différents avec une configuration différente du panneton de clé (22) et/ou par un profilage différent du canal de clé (16) et en conséquence de la clé (17).
  21. Installation de fermeture comportant une pluralité de cylindres de fermeture selon l'une des revendications 1 à 19, à chaque cylindre de fermeture individuel étant affectée une clé individuelle (117) et à un groupe de cylindres de fermeture une clé maîtresse (117"), caractérisée en ce que les cylindres de fermeture individuels du groupe diffèrent l'un de l'autre par une disposition différente de plaquettes (23) dans les dispositifs d'arrêt à gâchettes (19, 21) et/ou par un profilage différent de la clé et/ou par des dispositions différentes des gâchettes supplémentaires.
  22. Installation de fermeture selon la revendication 23, caractérisé en ce que les cylindres de fermeture individuels du groupe diffèrent par une occupation différente des fentes (124) avec des leviers d'arrêt à double bras (126), les saillies d'arrêt (126a, 126b) des leviers d'arrêt (126) étant dégagées simultanément, dans une plage angulaire de valeur angulaire finie, de l'évidement de saillie d'arrêt (136a, 136b) respectif, les parties de surfaces latérales (138), commandant les leviers d'arrêt, de la clé individuelle (117), présentant des niveaux de déclenchement (130, 151) avec au moins deux hauteurs de niveau différentes, à savoir un niveau haut et un niveau bas et une clé maîtresse (117") présentant des points de commande (130') avec un niveau moyen.
  23. Mise en oeuvre de cylindres de fermeture pour former une installation de fermeture, chaque cylindre de fermeture comportant un boîtier de cylindre de fermeture (110), notamment un boîtier de cylindre de fermeture avec profil HAHN, un noyau de cylindre de fermeture (114) monté tournant dans un alésage de noyau de cylindre (112a) du cylindre de fermeture (110) avec un canal de clé (116) destiné à recevoir une clé individuelle (117) adaptée et des dispositifs d'arrêt (126) qui sont commandés par des parties de surfaces latérales (138) de la clé (117), de niveau variable, et qui coopèrent avec des évidements (136a, 136b) pratiqués dans la surface périphérique intérieure (112a) de l'alésage de boîtier (112), dans ces cylindres de fermeture
    - le noyau de cylindre de fermeture (114) étant pourvu, au moins sur un côté, de préférence sur les deux côtés du canal de clé (16), de fentes (24), espacées axialement, à peu près perpendiculaires à l'axe du noyau de cylindre et
    - une partie au moins de ces fentes (124) logeant des leviers d'arrêt à double bras (126) qui sont montés pivotants autour d'un axe de pivotement de levier d'arrêt (125), parallèle à l'axe du noyau de cylindre, présentent chacun une saillie d'arrêt (126a, 126b) destinée à s'engager chacune dans un évidement de saillie d'arrêt (136a, 136b) sur la surface périphérique intérieure (112a) de l'alésage de noyau de cylindre (112), sont en liaison de commande, sur un bras (127a), avec une partie de surface latérale (138) de la clé (117), de niveau variable, commandant les leviers d'arrêt, sont soumis à l'action d'un ressort dans le sens du maintien de cette liaison de commande et peuvent être relevés des deux évidements de saillie d'arrêt (136a, 136b), par la clé (117) adaptée avec les deux saillies d'arrêt (126a, 126b),
    caractérisée en ce que
    - les parties de surfaces latérales (138), de niveau variable, commandant les leviers d'arrêt des clés individuelles adaptées (117), présentent des niveaux de déclenchement (130, 151) avec au moins deux hauteurs de niveau différentes, à savoir un niveau haut (151) et un niveau bas (130),
    - les leviers d'arrêt (126) possèdent une plage angulaire de pivotement de valeur angulaire finie, à l'intérieur de laquelle ils sont dégagés, par les deux saillies d'arrêt (126a, 126b), des évidements de saillie d'arrêt (136a, 136b) et
    - en ce qu'il est prévu une clé maîtresse (117") qui présente des niveaux de déclenchement (130") avec un niveau moyen.
  24. Installation de fermeture avec un groupe de cylindres de fermeture selon l'une des revendications 2 à 8 et 12 à 19, caractérisée en ce qu'une partie au moins des cylindres de fermeture diffère à l'intérieur du groupe par des positions différentes (A à H) de leviers d'arrêt à double bras (226GI, 226HII), déclenchables par un même niveau, en ce que les clés individuelles (217I, 217II) possèdent des niveaux de déclenchement (230GI, 230HII) de même hauteur où des leviers d'arrêt (226GI, 226HII), déclenchables par un même niveau, se trouvent dans le cylindre de fermeture correspondant et en ce qu'une clé maitresse (217I+II) présente des niveaux de déclenchement (230GI+II, 230HI+II) de même hauteur pour tous les leviers d'arrêt (226GI, 226HII), déclenchables par un même niveau, de plusieurs ou de tous les cylindres de fermeture du groupe.
  25. Installation de fermeture selon la revendication 26, caractérisée en ce que les leviers d'arrêt (226GI, 226HII) servant à différencier les cylindres de fermeture à l'intérieur du groupe, sont de même forme et de mêmes dimensions et éventuellement coopèrent avec des doigts de commande (228GI, 228HII) de même taille.
  26. Procédé de fabrication d'une combinaison d'un cylindre de fermeture et d'une clé plate profilée, dans lequel le cylindre de fermeture comporte un boîtier de cylindre de fermeture (10), notamment un boîtier de cylindre de fermeture avec profil HAHN, un noyau de cylindre de fermeture (14) monté tournant dans un alésage du noyau de cylindre (12) du boîtier de cylindre de fermeture (10) avec un canal de clé (16) profilé, destiné à recevoir la clé plate (17) profilée, des dispositifs d'arrêt à gâchettes (19, 21) soumis à l'action de ressorts avec des gâchettes de boîtier (19) soumises à l'action de ressorts, logées dans des alésages de boîtier (18) et des gâchettes de noyau (21) correspondantes, logées dans des alésages de noyau (20), commandées par une denture du panneton de clé (22) et des dispositifs d'arrêt complémentaires (26, 32), placés axialement entre des dispositifs d'arrêt à gâchettes (19, 21) successifs, qui sont commandés par des parties de surfaces latérales (38, 34) de la clé (17), de niveau différent et coopèrent avec des évidements (36a, 36b, 33) dans la surface périphérique intérieure (12a) de l'alésage de noyau de cylindre (12), et ce de telle sorte que le noyau de cylindre de fermeture (14) soit pourvu de trous pour gâchettes d'arrêt supplémentaires (31), destinés à recevoir des gâchettes supplémentaires (32) sans ressort, servant de dispositifs d'arrêt complémentaires, qui par leur extrémité proche de la clé, sont commandées par une partie de surface latérale (34) de la clé (17), de niveau variable, commandant des gâchettes supplémentaires, par leur extrémité éloignée du canal de clé coopèrent à la manière de cames avec chacune un évidement de gâchette (33) pratiqué dans la surface périphérique (12a) de l'alésage de noyau de cylindre (12) et, dans le cas d'une clé (17) adaptée, peuvent être dégagées de l'évidement de gâchette supplémentaire (33) respectif, par rotation du noyau de cylindre de fermeture (14), et dans lequel en outre
    a) le noyau de cylindre de fermeture (14) est pourvu, au moins sur un côté, de préférence sur les deux côtés du canal de clé (16), de fentes (24), espacées axialement, à peu près perpendiculaires à l'axe du noyau de cylindre ;
    b) ces fentes (24) sont conçues pour recevoir des leviers d'arrêt à double bras (26) qui sont montés pivotants autour d'un axe de pivotement de levier d'arrêt (25), parallèle à l'axe du noyau de cylindre, présentent chacun une saillie d'arrêt (26a, 26b) destinée à s'engager chacune dans un évidement de saillie d'arrêt (36a, 36b) sur la surface périphérique intérieure (12a) de l'alésage de noyau de cylindre (12), sont en liaison de commande, sur un bras (27a), avec une partie de surface latérale (38) de la clé (17), de niveau variable, commandant les leviers d'arrêt, sont soumis à l'action d'un ressort dans le sens du maintien de cette liaison de commande et peuvent être relevés des deux évidements de saillie d'arrêt (36a, 36b), par la clé (17) adaptée avec les deux saillies d'arrêt (26a, 26b) ;
    c) les trous de gâchettes supplémentaires (31) se situent avec leurs axes de trous à peu près chacun dans un plan médian de fente et entaillent les surfaces latérales de fente respectives en forme de segment de cylindre ;
    d) les trous de gâchettes supplémentaires (31) qui coïncident avec des fentes (24), non occupées par des leviers d'arrêt à double bras (26), peuvent être occupés par des gâchettes supplémentaires (32) sans ressort ;
    e) et la clé plate profilée présente, à des distances différentes du dos de clé (50), sur au moins une surface latérale, une partie de surface latérale (38) de niveau variable, commandant les leviers d'arrêt et une partie de surface latérale (34), de niveau variable, commandant les gâchettes supplémentaires, en fonction de l'occupation du cylindre de fermeture par des leviers d'arrêt à double bras (26) et des gâchettes supplémentaires (32) sans ressort,
    caractérisé en ce que les fentes (24), les trous de gâchettes supplémentaires (31) débouchant dans le canal de clé (16), entaillant les parois latérales des fentes (24) en segments de cylindre et les trous de doigts de commande (29) reliant le fond de fente (24a) au canal de clé (16), sont fraisés ou alésés de telle manière que les sorties des trous de gâchettes supplémentaires (31) et les trous de doigts de commande (29) se situent dans des rangées de sortie, d'axe parallèle, à des distances différentes de la périphérie extérieure du noyau de cylindre de fermeture (14),
    en ce qu'une partie au moins des fentes (24) est occupée chaque fois par un levier d'arrêt à double bras (26) et les trous de doigts de commande (29) correspondants chaque fois par un doigt de commande (28), en ce qu'une partie au moins des trous de gâchettes supplémentaires (31), coïncidant avec des fentes (24) non occupées, est occupée par des gâchettes supplémentaires (32),
    en ce qu'une ébauche de clé de profil adapté au canal de clé (16) est préparée, laquelle possède, à des distances du dos de clé (50), correspondant aux distances séparant les rangées de sortie du pourtour extérieur du noyau de cylindre de fermeture (14), une zone profilée suffisamment en relief pour la formation de la partie de surface latérale (38), de niveau variable, commandant les leviers d'arrêt et pour la formation de la partie de surface latérale (34) de niveau variable, commandant les gâchettes supplémentaires,
    et en ce que, suivant l'occupation du noyau de cylindre de fermeture (14) par des doigts de commande (29 et par des gâchettes supplémentaires (32), une variation de niveau est apportée dans les différentes zones profilées, par alésage ou fraisage.
EP87102091A 1986-03-20 1987-02-13 Serrure cylindrique Expired - Lifetime EP0237799B1 (fr)

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Application Number Priority Date Filing Date Title
AT87102091T ATE66516T1 (de) 1986-03-20 1987-02-13 Schliesszylinder.
KR1019870002442A KR900008653B1 (ko) 1986-03-20 1987-03-18 자물쇠

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DE3609473 1986-03-20
DE19863609473 DE3609473A1 (de) 1986-03-20 1986-03-20 Schliesszylinder

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EP0237799A2 EP0237799A2 (fr) 1987-09-23
EP0237799A3 EP0237799A3 (en) 1988-10-19
EP0237799B1 true EP0237799B1 (fr) 1991-08-21

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KR (1) KR900008653B1 (fr)
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DE2931653C2 (de) * 1979-08-03 1982-11-18 Fa. Aug. Winkhaus, 4404 Telgte Profilschließzylinder
DE3123511C2 (de) * 1981-06-13 1984-09-20 Aug. Winkhaus KG, 4404 Telgte Drehzylinderschloss
FR2556031B1 (fr) * 1983-12-01 1990-10-05 Preteseille Michel Serrure a barillet de haute securite
DE3410462A1 (de) * 1984-03-22 1985-09-26 BKS GmbH, 5620 Velbert Schliesszylinder mit flachschluessel

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Publication number Publication date
DE3772229D1 (de) 1991-09-26
KR900008653B1 (ko) 1990-11-26
EP0237799A3 (en) 1988-10-19
DE8702248U1 (de) 1987-10-08
CA1282973C (fr) 1991-04-16
ES2025563T3 (es) 1992-04-01
EP0237799A2 (fr) 1987-09-23
DE8710037U1 (de) 1987-10-08
KR870009092A (ko) 1987-10-23
DE3609473A1 (de) 1987-10-01
ATE66516T1 (de) 1991-09-15

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