EP0106397A2 - Sicherheitsschloss des Typs mit Zuhaltungen und profiliertem Sperrstift - Google Patents
Sicherheitsschloss des Typs mit Zuhaltungen und profiliertem Sperrstift Download PDFInfo
- Publication number
- EP0106397A2 EP0106397A2 EP19830201395 EP83201395A EP0106397A2 EP 0106397 A2 EP0106397 A2 EP 0106397A2 EP 19830201395 EP19830201395 EP 19830201395 EP 83201395 A EP83201395 A EP 83201395A EP 0106397 A2 EP0106397 A2 EP 0106397A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stud
- lock
- consent
- grooves
- key
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 230000002747 voluntary effect Effects 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 4
- 230000004069 differentiation Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- 235000009508 confectionery Nutrition 0.000 description 2
- 235000014510 cooky Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B21/00—Locks with lamelliform tumblers which are not set by the insertion of the key and in which the tumblers do not follow the movement of the bolt e.g. Chubb-locks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/752—Sliding tumblers
- Y10T70/7531—Transverse
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7729—Permutation
- Y10T70/774—Adjustable tumblers
- Y10T70/7746—Removable change element
Definitions
- the subject of the present invention is a lock of the type to be actuated by a bit key, comprising a plate with locks actuated by said key and having a consent stud and a series of grooves actuated by the key and having windows with teeth, crossed by said consent stud of the lock plate, to allow the displacement of the stud and the locks only by means of a key having in its bit a prefixed succession of projections and notches.
- said consent stud of the lock plate has a prismatic shape with constant section and the teeth of the windows of the different grooves have a length defined according to the radius, relative to the axis of rotation of the key, of the projection or of the corresponding bit of the bit so that, under the action of the key, the free spaces between the teeth of the windows of all the grooves are arranged aligned to allow the passage between them of the bolt of consent of the latches .
- the teeth of even position of each groove are not equal to the teeth of odd position of the same groove, since this makes unauthorized opening of the lock more difficult.
- these constructions have certain drawbacks.
- a first drawback of known locks of the type under consideration consists in the high construction and assembly prices, due to the fact that it is necessary to predispose numerous grooves, each corresponding, as regards the lengths of the teeth of its window, to a couple specific measurements of the protrusions and opposite notches of the key and, once the key intended for actuating a specific lock has been produced, this must be mounted by choosing, in the correct order, the various grooves corresponding to the necks successive stages of projections and of the key. This includes, for the manufacture of the various grooves, the use of many different cookie cutters or very expensive cookie cutters with elements movable in different positions exactly prefixed; for the assembly of locks is required The careful intervention of specialist operators.
- Another disadvantage of the locks considered consists in that it is not possible to successively modify a lock manufactured to be actuated by a certain key, in order to have it actuated by a different key, as iL would be desirable each time that the originating key must have been entrusted to a person who, we think, could have made a copy of it, as it is systematically verified during the installation of the lock if it is not installed personally by the user, and often repeats on the occasion of work in Premises protected by the mecanic as well as on other occasions.
- Such a modification is on the contrary possible, even if with a relatively difficult operation and the substitution of a complicated component, in certain types of cylinder locks, which on the other hand have a lower degree of security than that of grooved locks.
- the first object of the present invention is that to remedy the first indicated drawback of known groove locks, by producing a lock of the type to be actuated by a bit key in LaqueLLe the whole series of grooves is identical in Locks intended to be actuated by different keys, thus allowing a complete unification of the assembly operations of the series of grooves, and consequently the use of unskilled labor or the automation of operations.
- the grooves constituting said series of grooves have in their windows teeth of predetermined measures independently of the conformation of the bits of the key intended to actuate the lock
- said consent stud of the plate with latches is shaped according to a profile having projections and notches cooperating with the windows of the different grooves, each projection or notch of the consent stud having a measurement established as a function of the radius of the projection or corresponding key and measurement of the teeth of the corresponding throat, so that the consent pin passes freely between the teeth of the windows of the grooves when these have been moved by the pre-established key.
- the grooves moved by the correct key do not have the free spaces aligned between the teeth of their windows but, despite this, they allow the passage of the consent stud because it has a profile corresponding to that of him. Free space between the teeth of the windows of the grooves thus displaced.
- Locks with these characteristics have undifferentiated series of grooves which can be predisposed with non-intelligent or automated operations, without taking any account of the conformation of the key which will have to actuate the lock, and this makes it possible to reduce the price of assembly operations.
- the differentiation of each lock is achieved by the application of a single element predisposed according to the conformation of the key, i.e. the profiled consent stud, and therefore represents the inevitable minimum cost burden for differentiation. locks.
- the costs of manufacturing the grooves result greatly reduced by the fact that, even if all the grooves of the series are different from each other, the number of different grooves to be produced corresponds to the number of grooves which constitute the series of grooves of the lock, which is much lower than the number of different grooves which must be predisposed for the differentiation of known locks, even when they belong to the so-called fixed constant types.
- the higher production price of the profiled consent stud, compared a simple traditional prismatic stud absorbs only a small part of the economic and organizational advantages thus obtained.
- the series of grooves is composed by grooves of odd position all equal to each other and by grooves of even position also all equal to each other but not equal to the grooves of odd position.
- the number of different grooves that must be manufactured is reduced to only two, which represents the minimum compatible with the conservation, with keys with two opposite bits, of the degree of security depending on the fact that the position of the grooves results differently in The odd turns and in The even turns, that is to say that The key does not have the two symmetrical opposite pannetons between them.
- the cost of manufacturing the lock grooves is thus reduced to the minimum possible.
- a second object of the invention is to remedy even the second drawback reported of known groove locks, by producing a lock which, although having the degree of security of locks with a bit key, can be modified at any time to be actuated. by a key different from the previous one, with an operation that can be done by the same user without the intervention of a third party.
- the adaptation of the lock to a new key is obtained simply by replacing the previous profiled consent stud by a new differently profiled consent stud, corresponding to the new key, without having to modify the series of grooves, which do not constitute an element in dividing the lock.
- the operation of replacing the profiled consent stud is made possible by the timely sizing of the windows of the grooves, which ensures that the consent stud can be unthreaded and threaded through said windows without being prevented by the grooves when these are found in, rest position.
- said interchangeable consent stud is accessible through an opening on the inside of the envelope of the lock, arranged in correspondence with a specific position of the lock plate with which the consent stud moves.
- the substitution of the consent stud is carried out without actuating the lock, by an unauthorized person.
- the consent stud can, for example, be disassembled by play by children, while by choosing It also different from The completely closed position, we avoid that the substitution is made to facilitate the exit of a room, by an unauthorized person who entered by other passage.
- This specific accessibility position is preferably chosen in correspondence with an intermediate key turn, position in which the lock is not normally left.
- Figure 1 is represents the lock system of a grooved lock, which is constituted by a plate 1 with a folded part 2 which carries the locks 3 intended to engage in the men tonnet.
- plate 1 is formed a window 4, one edge of which forms teeth 5 intended to be engaged by a central part of the bit of a key for advancing by successive turns the system of locks according to arrow A, by engaging it in the chin.
- grooves 6 in variable number, five in this example, provided with slots 7 by means of which they are guided by pivots (not shown) integral with the envelope of the lock (also not shown), so that the grooves can slide in the direction of arrow B perpendicular to the direction A of movement of the lock.
- the grooves 6 have an opening 8 in which the key is introduced, when it is threaded into the lock and one side 9 of this opening cooperates with a corresponding projection or notch of the key when the latter turns, causing the groove 6 according to arrow B against the action of return springs not shown, to a position which depends on the radius, relative to the axis of rotation of the key (axis of the keyhole), of the sailLie or of the notch of the bit which cooperated with the gprge considered.
- Each groove 6 also has a window 10 which extends perpendicular to the direction B of movement of the grooves, and in the window 10 protrude from the pairs of opposite teeth 11 and 12.
- the length is normally different for the even teeth and the odd teeth, which implies that the two keys of the key are not symmetrical between them and which is connected to a higher degree of security.
- the teeth 11 and 12 are chosen so that, when the grooves 6 have been moved by the right key, the spaces between the opposite teeth 11 and 12 of the different grooves corresponding to the current turn are aligned and allow the passage between the teeth of a stud of prismatic consent fixed to Plate 1, thus allowing the latter to advance in direction A under the effect of the rotation of the key.
- the lengths of the odd and even teeth 11 and 12 of each groove 6 correspond to the radii of the corresponding opposite projections or notches of the key bit, with the constructive and fitting consequences illustrated in the premise.
- the measurements of the pairs of odd and odd teeth of each groove 6 are chosen without any relation to the conformation of the key. It follows that the spaces between the opposite teeth 11 and 12 corresponding to the current turn do not result aligned between the various grooves 6, even when the key which actuates the lock is correct.
- a consent stud 13 which, instead of being prismatic, is profiled so as to present its section, corresponding to each groove 6, exactly where is the free space between the opposite teeth 11 and 12, if the key which actuates the lock is correct.
- the consent stud 13 therefore has a number of superimposed sections, each of which forms on one side and on the other of the stud 13 a projection or notch whose position depends on the radius of the corresponding projection or notch of the key. , and the conformation of the corresponding groove 6 of the lock.
- each groove 6 of the series of grooves of the lock it is possible to choose a profile of consent stud 13 and to deduce therefrom the profile of a corresponding key, or vice conversely, whatever the conformation of the windows 10 of the grooves 6.
- the construction of the latter is simplified if we make all the grooves 6 of odd position equal to each other and all the grooves 6 of equal position equal between them but not to those odd, condition this one which preserves with the lock the maximum degree of security.
- the windows of the gorges odd can therefore be, for example, configured according to FIG. 2, and those of the even grooves according to FIG. 3. They differ for a displacement in opposite directions of the teeth of the successive turns.
- D this displacement, it corresponds to a similar displacement D applied, alternately in opposite directions, to the projections and notches of the bits 14 and 15 of a key 16 relative to the corresponding projections and notches of the profiled consent stud 13 ', as is particularly observed in the comparison of Figures 5 and 4; in the latter, for the sake of comparison, a profiled stud 13 'is shown having the shape of a regular staircase.
- the bolt system comprises, in addition to its base plate 1, a counter plate 17, The series of grooves 6 of the lock being intended to be placed between plates 1 and 17.
- the profiled stud 23 has a tail 18 inserted in a seat 1 'of the plate 1 and a shoulder 19 inserted in a seat 17 'of the plate 17, as well as, preferably, a means 20 for gripping it; in addition, the profiled stud also has a projection 21 which prevents it from being mounted in the inverted position and which is provided with connection ramps 22. With these latter parts cooperates a small profiled spring 24 fixed to the plate 17, for example by means of 'a fixing plate 25 as shown in Figures 8 to 10.
- the profiled stud 18-23 can be interchanged on the plates 1, 17 with a very easy operation which immediately follows the adaptation of the lock to the operation with a new type of key.
- the means 20 for gripping the profiled stud 23 is accessible through an appropriate opening of the envelope of the lock, arranged on the inside of the door to which it is applied.
- the envelope 26 of the lock in which is formed the keyhole 27, has an opening 28 for access to the profiled stud, which has a limited width and which corresponds to a intermediate position (for example, at the second closing turn) of the lock.
- the opening 28 of the envelope 26 can be normally opened by a simple oscillating plate 29 of the same kind often used to cover the hole 27 of the lock.
- FIG. 11 Another embodiment of the profiled consent stud is shown in FIG. 11.
- the stud comprises a small benefited block 33 terminating superiorly by a mounting and gripping head 31 having wings 32.
- the block 33 can be fixed to a plate 1 or 17 by means of screws 34 passing through holes in the wings 32 and possibly mounted on these wings so as not to be able to come off.
- the assembly and replacement of the stud profit requires the use of a tool such as a screwdriver.
- a lock according to the invention is provided with a spring lock (so-called "half-turn"), this will be actuated by means of a subsequent displacement of the lock system beyond the fully open position, in a manner known per se, not being applicable in this case
- a lock according to the invention makes it possible to substitute the key which is coordinated to it, each time that the occasion arises, because of the loss of a key or because it has been entrusted to a person. suspect or for any other reason, by a simple and economical operation.
- the characteristic of the lock can be systematically exploited, for example, at the time of the construction of a building, by initially providing all the apartments with locks with equal keys, so that the persons carrying out the work can enter all apartments with the same key, and by carrying out the Personalization of each lock as and when the corresponding apartment is occupied.
- the lock can be differentiated when the tenant is changed in hotels with apartments and the like. It must however be realized that the lock according to the invention is not indicated only for doors of premises (in projecting or concealed execution) but that it can also be used on safes, curtains and other movable closures to protect.
- the particular provisions indicated may vary in different practical applications; thus, the number of turns and / or the number of grooves which constitute the series and the lock can be varied.
- the lock can be provided with control means and references for vertical and horizontal locks or any other known accessory.
- the means for its insertion and its retention in position in the bolt system can even be varied widely.
- a semi-fixed consent stud in which the profiled stud which individualizes the lock, although not immediately accessible and changeable as in the embodiments of FIGS. 6 to 12, can be substituted in the lock system after detachment. of the envelope of the lock or after detachment of the lock of the door or other support.
Landscapes
- Lock And Its Accessories (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Bag Frames (AREA)
- Seats For Vehicles (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Ladders (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Tires In General (AREA)
- Materials For Medical Uses (AREA)
- Cookers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83201395T ATE23900T1 (de) | 1982-10-12 | 1983-09-29 | Sicherheitsschloss des typs mit zuhaltungen und profiliertem sperrstift. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6819282A IT1155985B (it) | 1982-10-12 | 1982-10-12 | Serratura di sicurezza del tipo a leve con perno di consenso sagomato |
IT6819282 | 1982-10-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0106397A2 true EP0106397A2 (de) | 1984-04-25 |
EP0106397A3 EP0106397A3 (en) | 1984-07-25 |
EP0106397B1 EP0106397B1 (de) | 1986-11-26 |
Family
ID=11308423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19830201395 Expired EP0106397B1 (de) | 1982-10-12 | 1983-09-29 | Sicherheitsschloss des Typs mit Zuhaltungen und profiliertem Sperrstift |
Country Status (7)
Country | Link |
---|---|
US (1) | US4691545A (de) |
EP (1) | EP0106397B1 (de) |
AT (1) | ATE23900T1 (de) |
CA (1) | CA1220641A (de) |
DE (1) | DE3367950D1 (de) |
ES (1) | ES526375A0 (de) |
IT (1) | IT1155985B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993008354A1 (en) * | 1991-10-24 | 1993-04-29 | Cardlok Pty. Ltd. | Mechanical card lock |
ITTO20100576A1 (it) * | 2010-07-05 | 2012-01-06 | Dierre Spa | Serratura del tipo a doppia mappa, con dispositivo per prevenire la sua decodificazione |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5063762A (en) * | 1990-06-27 | 1991-11-12 | Vandeweghe Catherine M | Retractable locking assembly |
BR9005985A (pt) * | 1990-11-16 | 1991-07-02 | Endel Kello | Aperfeicoamento em fechaduras |
US5884511A (en) * | 1991-10-24 | 1999-03-23 | Cardlok Pty. Ltd. | Mechanical card lock |
US6698259B2 (en) * | 2001-05-24 | 2004-03-02 | Macmillan Daniel | Dual action detent for tamper resistant lever lock mechanism |
US20120266640A1 (en) * | 2011-04-19 | 2012-10-25 | Daugherty Eugene F | Lock With Pin Tumblers and Lever Tumblers |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE894970C (de) * | 1951-10-07 | 1953-10-29 | Kurt Kraemer | Sicherheitsschloss, insbesondere Tresorschloss |
FR2110096A5 (de) * | 1970-10-30 | 1972-05-26 | Cisa Costruzioni Italian |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US701230A (en) * | 1902-03-10 | 1902-05-27 | Yale & Towne Mfg Co | Changeable combination key-lock. |
US799666A (en) * | 1904-10-20 | 1905-09-19 | Julius Oleschak | Lock. |
US889543A (en) * | 1908-03-12 | 1908-06-02 | Tehodore Ozorozy | Lock. |
FR575788A (fr) * | 1924-01-12 | 1924-08-06 | Verrou de sûreté perfectionné | |
FR699641A (fr) * | 1929-07-27 | 1931-02-18 | D La Porte Sohne | Serrure à pêne |
US1826595A (en) * | 1930-07-30 | 1931-10-06 | Mosler Lock Company | Interchangeable key lock |
US3653238A (en) * | 1970-05-15 | 1972-04-04 | Hans Brugemann | Lock with tumbler-safety-slides |
US3673830A (en) * | 1970-08-26 | 1972-07-04 | Rene Alfredo Billino | Safety lock |
US3762192A (en) * | 1971-10-27 | 1973-10-02 | Italiane Serrature Affini Sa C | Antilock-picking device |
DE2936402C2 (de) * | 1979-09-08 | 1986-03-06 | Kiekert GmbH & Co KG, 5628 Heiligenhaus | Schließanlage für Kraftfahrzeug-Türverschlüsse |
-
1982
- 1982-10-12 IT IT6819282A patent/IT1155985B/it active
-
1983
- 1983-09-29 DE DE8383201395T patent/DE3367950D1/de not_active Expired
- 1983-09-29 EP EP19830201395 patent/EP0106397B1/de not_active Expired
- 1983-09-29 AT AT83201395T patent/ATE23900T1/de not_active IP Right Cessation
- 1983-10-11 ES ES526375A patent/ES526375A0/es active Granted
-
1984
- 1984-03-20 US US06/592,454 patent/US4691545A/en not_active Expired - Fee Related
- 1984-03-28 CA CA000450673A patent/CA1220641A/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE894970C (de) * | 1951-10-07 | 1953-10-29 | Kurt Kraemer | Sicherheitsschloss, insbesondere Tresorschloss |
FR2110096A5 (de) * | 1970-10-30 | 1972-05-26 | Cisa Costruzioni Italian |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993008354A1 (en) * | 1991-10-24 | 1993-04-29 | Cardlok Pty. Ltd. | Mechanical card lock |
ITTO20100576A1 (it) * | 2010-07-05 | 2012-01-06 | Dierre Spa | Serratura del tipo a doppia mappa, con dispositivo per prevenire la sua decodificazione |
Also Published As
Publication number | Publication date |
---|---|
ES8407144A1 (es) | 1984-09-01 |
DE3367950D1 (en) | 1987-01-15 |
ATE23900T1 (de) | 1986-12-15 |
IT1155985B (it) | 1987-01-28 |
EP0106397B1 (de) | 1986-11-26 |
EP0106397A3 (en) | 1984-07-25 |
ES526375A0 (es) | 1984-09-01 |
CA1220641A (en) | 1987-04-21 |
US4691545A (en) | 1987-09-08 |
IT8268192A0 (it) | 1982-10-12 |
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