EP1669525A1 - Serrure encastrée avec un pêne dormant à verrouillage automatique - Google Patents

Serrure encastrée avec un pêne dormant à verrouillage automatique Download PDF

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Publication number
EP1669525A1
EP1669525A1 EP04257733A EP04257733A EP1669525A1 EP 1669525 A1 EP1669525 A1 EP 1669525A1 EP 04257733 A EP04257733 A EP 04257733A EP 04257733 A EP04257733 A EP 04257733A EP 1669525 A1 EP1669525 A1 EP 1669525A1
Authority
EP
European Patent Office
Prior art keywords
lever
straight
latch
retracted
retainer
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.)
Withdrawn
Application number
EP04257733A
Other languages
German (de)
English (en)
Inventor
Fermin Gomez Gonzalez
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.)
Talleres de Escoriaza SA
Original Assignee
Talleres de Escoriaza SA
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 Talleres de Escoriaza SA filed Critical Talleres de Escoriaza SA
Priority to EP04257733A priority Critical patent/EP1669525A1/fr
Publication of EP1669525A1 publication Critical patent/EP1669525A1/fr
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • E05B2063/207—Automatic deadlocking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside

Definitions

  • This invention relates to a recessed and automatic lock, that is, a lock which provides for the automatic emergence of the locking lever when the door in which it is installed is moved to the closed position in its frame.
  • the lock according to the invention corresponds to a general design comprising a lever, a latch, a trip element located between the lever and the latch, and which, when the door moves into its frame, and with the corresponding retraction in respect of said latch, can be functionally retracted against a first spring, a bell-shaped element, a square bolt for an actuating handle and a cylinder for a combination key, the lever of which can be retracted by actuating the square bolt, can be retracted actuating the cylinder and is mounted in the tip of a transverse lever plate of which the upper edge is provided with means for holding the respective retracted and extended positions of said lever, the latch of which can be retracted by actuating the square bolt or the cylinder, the latch of which engages in 1 an aperture in the lock plate in the door frame, and the bell-shaped element of which has a point running transverse to the lever plate which, by vertical displacement, is capable of operating or not operating in conjunction with said means for holding the retracted and extended positions of
  • an automatic lock is based on the fact that the trip or release element engages in an aperture in the lock plate in the door frame and acts in conjunction with a locking mechanism which prevents the lever from emerging while, on engaging on the frame, the latch and its trip element are elastically retracted, and, once the door has reached its final locking position, the emergence of the latch and the fact that it is impossible for the trip element to emerge combine to enable the lever to emerge, under pressure from its own spring.
  • these locks incorporate a so-called "anti-panic" mechanism, which allows the lock to be opened completely (lever and latch) without the need for a key, simply by actuating the handle or grip.
  • a disadvantage of these locks is that they require a high degree of inherent structural precision and precision of the external elements (frame, keepers) in order for the movement of the lock to function perfectly, without any malfunctions.
  • the lever can be blocked in its two operational positions, retracted and extended. In the retracted position, to counteract the action of its opposing spring; and in the extended position, to be retracted by the introduction of a screwdriver or the like, a typical method employed by thieves in order to break open the lock.
  • This latter blocking of the extended position can be deactivated, however, by the process of introducing into the heart of the locking element of the lever something which will prevent it from emerging fully; with this, said extended position would not remain blocked, and the lever could be retracted by the same procedure as described above, by the insertion of a screwdriver or the like.
  • the lock proposed in the present invention exhibits an arrangement which comprises a support for the trip or release element, a straight lever retainer, a straight element retaining tumbler, a rocker, a latch holder, and an anti-panic arm, wherein said trip element support has means capable of blocking a functional vertical displacement of the straight lever retainer, said straight lever retaining element being installed in such a way that it can move vertically under the force of gravity between the respective upper and lower paths which correspond respectively to the states of the lever being retracted and extended, this straight lever retaining element also incorporating coupling means which operates in conjunction with the straight element retaining tumbler, other means which operates in conjunction with said means of the trip element capable of blocking its operational vertical movement, other means for retaining the retracted state of the lever, which operates in conjunction with a first lug of the lever plate, and other means for reciprocal pressing of this first lug of the lever plate; said retaining tumbler of the straight element travels with the latch and has a tilting mounting which is transverse to the plane of
  • the means for blocking the operational vertical displacement of the straight lever retainer consists of a lateral projection which has a horizontal upper face and an oblique lower face.
  • the means for blocking its vertical operational displacement, and which operates in conjunction with other means of the trip element consists of pivots, upper and lower, which in relation to the extended and retracted positions of the trip element remain aligned in respect of one another in the vertical direction, or not, with the upper pivot remaining facing the horizontal and oblique faces of the lateral projection.
  • the coupling means consists of a first arm which is just above the level of the tilting position of the straight element retaining tumbler and advantageously retracted in relation to the start of the retraction path of the latch;
  • the means of retention of the retracted state of the lever consists of an oblique inlet which is reciprocal to said first lug of the lever plate and which is located at a level advantageously lower than that of the first lug, in relation to said upper position of the straight lever retainer;
  • the reciprocal pressing means between this and the first lug of the lever plate consists of a ramp which is located on the front side of the straight lever retainer, connecting without interruption with the rear edge of its oblique inlet.
  • said straight element retaining tumbler is installed in a carriage fixed in the tail of the internal latch of the lock housing.
  • the starting point is taken as a position in which the door is separated from its frame and the lock is open, with its lever retracted and with the latch and the trip element in their extended positions.
  • the latch begins its retraction before the trip element, carrying out an initial movement alone and a final movement accompanied by the trip element; before the trip element begins its retraction, the straight lever retainer is held in its upper operational position because the lateral projection of the former is interlinked vertically in respect of the upper pivot of the latter; in the initial movement of the latch alone, the situation is reached in which the straight element retaining tumbler (which moves in the carriage as one piece with the tail of the latch) remains just applied to the lower edge of the first flap formed in the straight lever retainer; when the trip element carries out its retraction movement and releases the retention effect applied between said pivots, the straight lever retainer continues into its initial upper position due to the immobilizing action now effected by the straight element retaining
  • Another important feature of the invention involves the rearming of the lock (opening in order for a new automatic locking process to take place).
  • This consists of the retraction and holding of the retracted lever taking place when the latch is retracted half-way, and accordingly the door cannot yet be separated from the frame. This avoids the problem of a sudden or unexpected emergence causing the door to open without the lever having been totally retracted and held, in such a way that the lever would emerge again and prevent the door from closing again within its frame; i.e. the door would remain open.
  • the invention also proposes a secure means of preventing the retraction of the lever in the event that the lever, when it triggers automatically, may not have emerged fully due to there being some obstruction at the heart of its keeper and it remaining in an intermediate position in which it is not held and is therefore susceptible to being retracted by illicit means.
  • the means for holding the lever plate consists of the upper edge of the lever plate being located from front to back and in such a way that it subsequently descends a first step, a second step and a rear groove, in such a way that, because the lever emerges by a few millimetres (e.g. 10) it will not be possible for it to be retracted by means of introducing the point of a screwdriver, but, nevertheless, it will emerge sufficiently far to produce an effective lock.
  • the locking remains secured by means of a device which prevents the latch from retracting, which is applied because, when the latch is held, at either side of the central axis respective members extend, the first and the second, the first member is capable of rotating between the respective raised and lowered positions, in which its end obstructs or does not obstruct the retraction path of the lateral projection of the thruster of the retainer, at which time, in relation to the opening rotation of the square bolt, the end of the second member remains directly applied on the peripheral pin of this square bolt or advantageously in front of it, at which time, in this lowered position, the first member is applied beneath in respect of a transverse flap provided in the support of the trip element, there being a third spring provided which is applied to the first member in order to counter the action produced by the opening rotation of the square bolt, which pushes the lowered position of the first member against this third spring.
  • the transverse flap does not prevent the first member of this latch holding arrangement from passing into its raised position pushed by the third spring. This takes place in such a way that, when the latch emerges into its keeper, the end of the first member remains located somewhat behind the lateral projection of the thruster of the retainer, which is of one piece with this latch.
  • This arrangement behind the projection is so that, during the opening movement (with handle or key), the start of the turning of the square bolt produces a tilting effect in the latch holder which is sufficient for the first member to be withdrawn from the retraction path of the latch before said projection reaches the place previously occupied by this first member.
  • the initial retraction path alone of the latch also causes the lower edge of the thruster of the retainer to prevent the first member from passing to its holding position when, due to the retraction of the trip element, this possibility arises due to the withdrawal of said transverse flap of the trip element support.
  • Figure 1 shows a lock arranged according to the invention, seen as if its side closest to the observer were transparent, and shows the position of the lock when open and the door is separated from its frame. This shows a conventional section of the straight lever retainer (8).
  • Figure 2 is as Figure 1, but shows a position in which the latch (2) is retracted, but the trip element (3) is extended.
  • Figure 3 is an enlargement of the detail III circled in Figure 2.
  • Figure 4 is a view according to the section IV-IV indicated within the circle marked in Figure 3.
  • Figure 5 is a view which shows in perspective the straight lever (1) retaining element from the side which engages the mechanism of the lock, i.e. the opposite to the view in Figure 1.
  • Figure 6 is as Figure 2, but also shows the retracted position of the trip element (3).
  • Figure 7 is an enlargement of detail VII circled in Figure 1 and shows a conventional section of the straight lever retainer (8) in order to see directly the lateral projection (24) and the upper (25) and lower (26) pivots.
  • Figure 7a is an enlargement of detail VIIa marked in Figure 6 and sectioned as in Figure 7.
  • Figure 8 is a perspective view of the sub-assembly of the trip element (3) and the trip element support (7).
  • Figure 9 is as Figure 6, but shows the situation once the door has reached its closed position in the frame and the latch (2) has emerged as far as its lock, producing the automatic emergence of the lever (1).
  • Figure 10 is an enlargement of detail X which is circled in Figure 9.
  • FIG 11 is as Figure 9, but showing the moment of the opening movement.
  • Figure 12 is an enlargement of detail XII which is circled in Figure 11.
  • Figure 13 is as Figure 12, but refers to the end of the opening movement and still without the door having separated from the frame.
  • FIG 14 is an enlargement of detail XIV which is circled in Figure 13.
  • Figure 15 illustrates the intermediate securing of the retraction prevention arrangement of the lever (1).
  • the appended drawings show a preferred embodiment of the invention, relating to a recessed lock with automatic emergence of the lever, of a general design consisting of a lever (1), a latch (2), a trip element (3) which is located between the lever (1) and the latch (2), and which, in order for the door to move into its frame and the respective retraction of this latch, is retracted operationally against a first spring (19), a bell-shaped element (4), a square bolt (5) for an actuating handle, and a cylinder (6) for a combination key, of which the lever (1) can be retracted by actuating the square bolt (5), can be retracted by actuating the cylinder (6) and is mounted at the tip of a rear lever plate (1a), the upper edge of which has means for holding the retracted and extended positions of this lever (1), of which the latch (2) can be retracted by actuating the square bolt (5) or the cylinder (6), the trip element (3) of which engages in
  • the aforesaid lock comprises ( Figure 1) a trip element support (7), a straight lever retainer (8), a straight element retaining tumbler (9), a rocker (10), a latch holder (11) and an anti-panic arm (12), whereby said trip element support (7) has means capable of blocking an operational vertical displacement of the straight lever retainer (8), said straight lever retainer (8) having a mounting which moves vertically under the effect of gravity between respective upper and lower positions which correspond to the retracted and extended states of the lever (1) respectively, this straight lever retainer (8) also incorporating coupling means which operates in conjunction with the straight element retaining tumbler (9), other means which operates in conjunction with said means of the trip element (3) capable of blocking its operational vertical displacement, other means of retaining the retracted state of the lever (1) which operates in conjunction with a first lug (13) of the lever plate (1a) and other means of reciprocal thrusting in respect of this first lug (13) of the lever plate (1a); said straight element retaining tumbler (9) travels with the latch (2)
  • the means for blocking the vertical operational displacement of the straight lever retainer (8) consists of a lateral projection (24) which has an upper horizontal face (27) and an oblique lower face (28), in conjunction with which it is determined that, in said straight lever retainer (8), the means for blocking the vertical operational displacement, which work in conjunction with the other means of the trip element support (7), consists of an upper pivot (25), which, in relation to the extended and retracted positions of the trip element (3) remains respectively aligned or not in the vertical direction, this upper pivot (25) remaining respectively turned towards the horizontal (27) and oblique (28) faces of the lateral projection (24).
  • the coupling means consists of a first arm (29), which is located just above the level of the tilted position of the straight element retaining tumbler (9), and advantageously withdrawn at the beginning of the retraction movement of the latch (2), as is illustrated by Figures 1 to 4.
  • the means of retention of the retracted state of the lever (1) consists of an oblique inlet (30), which is reciprocal to said first lug (13) of the lever plate (1a) and which is located at a level advantageously lower than that of this first lug (13), in relation to said upper position of the straight lever retainer (8), which is illustrated with complete clarity on a large scale in Figure 12, where it can also be seen that the means of reciprocal thrust between this and the first lug (13) of the lever plate (1a) consists of a ramp (31), which is located on the front side of the straight lever retainer (8), connecting without interruption with the rear edge of its oblique inlet (30).
  • said straight element retaining tumbler (9) is installed in a carriage (32) fixed in the tail of the latch (2) inside the lock housing, as illustrated with greater clarity in Figure 4.
  • Figures 1, 2, 6 and 9, together with their appropriate expanded details, illustrate the operational sequence for the automatic tripping of the lock.
  • Figures 11 and 13, and its explanatory details illustrate the rearming sequence with anti-panic function.
  • Figures 9 and 11 illustrate the function of the latch (2) in preventing illicit retraction, the means of which are dealt with hereinafter, as is also the case with the means of the lever (1) for providing security against illicit retraction when only part of its extension movement towards its keeper has been carried out.
  • Figure 6 corresponds to the state in which the trip element (3) is already retracted, but the latch (2) has not yet arrived opposite its keeper in the frame. It is only when this happens that the automatic tripping takes place which gives rise to the situation shown in Figure 9. Because the straight lever retainer (8) is not held by the trip element, when the latch (2) emerges this causes the straight element retaining tumbler (9) to effect release, this straight lever retainer (8) descends under the combined action of gravity and the thrust of the sixth spring (44). This downward movement causes the oblique inlet (30) to release the retention exerted on the first lug (13) of the lever plate (1a), and, without interruption, causes the ramp (31) to engage on this first lug (13), finally reaching the configuration in Figure 9. With this functional sequence, the known mechanical malfunctions are avoided, since the automatic tripping takes place only when the door is in its correct position.
  • the design of the anti-panic arm (12) ensures that the lever (1) is totally retracted even without ( Figure 11) the latch (2) being retracted, as a result of which the door cannot be pulled away from the frame, in such a way that the lever (1) cannot remain extended so as to prevent, incorrectly, its closing again after sudden emergence or due to inattention on the part of the user. It is only when the latch (2) completes its retraction that the situation in Figure 13 is reached, and the door can be moved away from its frame.
  • respective members extend on either side of the central axis (18), the first (33) and the second (34), the first member (33) being capable of rotating between respective raised and lowered positions, in which its end interferes or not with the retraction path of a lateral projection (35) of the carriage (32) of the tail of the latch (2), at the moment at which, in relation to the opening turning of the square bolt (5), the end of the second member (34) is applied directly onto a peripheral pin (36) of this square bolt (5) or advantageously in front of it, at the moment at which, in said lowered position, the first member (33) is applied lower in relation to a second flap (37) provided in the trip element support (7), there being a third spring (38) which is applied to the first member (33) counter to the action produced by the opening rotation of the square bolt (5), which pushes the lowered movement of the first member (33) against this third spring (38).
  • the latch holder (11) When the door is closed in the frame, and the latch (2) emerges, as the trip element (3) remains retracted, the latch holder (11) can already occupy the holding position shown in Figure 10 and, as can be seen, the end of the second member (34) is applied to the peripheral pin (36) of the square bolt (5), in such a way that, when the opening movement starts (with the key or the handle), the latch holder (11) is retracted before the lateral projection (35) reaches the holding position with the latch (2) retracted.
  • the means for holding the lever plate (1a) consists of the upper edge of the lever plate (1a) being arranged from front to back and subsequently descending a first step (39), a second step (40) and a rear groove (41).
  • this device establishes a reliable means of preventing the retraction of the lever (1) when this has emerged only a small distance, in such a way that, even if something has been introduced into the heart of the lock for illicit reasons, it will still not be possible for it to be retracted to its initial opening position, because the transverse projection (4a) of the bell-shaped element (4) will be located behind the second step (40), pushed by the second spring (20), which forces it to remain in permanent contact pressing against the upper edge of the lever plate (1a).
  • the first step (39) of this lever plate (1a) functions as an additional mechanical butt stop for total retraction of the lever (1) and the rear groove (41) provides for the effective holding of the lever in the extended operational position.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP04257733A 2004-12-13 2004-12-13 Serrure encastrée avec un pêne dormant à verrouillage automatique Withdrawn EP1669525A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04257733A EP1669525A1 (fr) 2004-12-13 2004-12-13 Serrure encastrée avec un pêne dormant à verrouillage automatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04257733A EP1669525A1 (fr) 2004-12-13 2004-12-13 Serrure encastrée avec un pêne dormant à verrouillage automatique

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EP1669525A1 true EP1669525A1 (fr) 2006-06-14

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EP04257733A Withdrawn EP1669525A1 (fr) 2004-12-13 2004-12-13 Serrure encastrée avec un pêne dormant à verrouillage automatique

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100591882C (zh) * 2006-11-06 2010-02-24 夏士林 一种自动上锁的防盗锁体
CN102383670A (zh) * 2011-06-30 2012-03-21 东莞市中控电子技术有限公司 一种带反锁功能的插芯锁
CN103075052A (zh) * 2012-12-24 2013-05-01 徐仙花 快锁定防盗门锁
CN103225453A (zh) * 2013-04-17 2013-07-31 杭州金指码实业有限公司 斜舌触发方舌的插芯锁
WO2013127504A1 (fr) * 2012-02-29 2013-09-06 Dorma Gmbh + Co. Kg Serrure
CN110644858A (zh) * 2019-08-13 2020-01-03 中山欧朗金属制品有限公司 锁具及其控制方法
AT17862U1 (de) * 2022-01-24 2023-05-15 Roto Frank Fenster Und Tuertechnologie Gmbh Automatikschloss

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9207865U1 (fr) * 1992-06-11 1992-09-10 Wilhelm Doerrenhaus Gmbh & Co Kg, 5620 Velbert, De
EP0795666A1 (fr) * 1996-03-12 1997-09-17 DORMA GmbH + Co. KG Serrure encastrée
DE19858174A1 (de) * 1998-12-17 2000-06-29 Dorma Gmbh & Co Kg Türschloß
US20030155778A1 (en) * 2000-06-09 2003-08-21 Michael Dorn Self-locking latch and locking system equipped with said latch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9207865U1 (fr) * 1992-06-11 1992-09-10 Wilhelm Doerrenhaus Gmbh & Co Kg, 5620 Velbert, De
EP0795666A1 (fr) * 1996-03-12 1997-09-17 DORMA GmbH + Co. KG Serrure encastrée
DE19858174A1 (de) * 1998-12-17 2000-06-29 Dorma Gmbh & Co Kg Türschloß
US20030155778A1 (en) * 2000-06-09 2003-08-21 Michael Dorn Self-locking latch and locking system equipped with said latch

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100591882C (zh) * 2006-11-06 2010-02-24 夏士林 一种自动上锁的防盗锁体
CN102383670A (zh) * 2011-06-30 2012-03-21 东莞市中控电子技术有限公司 一种带反锁功能的插芯锁
WO2013127504A1 (fr) * 2012-02-29 2013-09-06 Dorma Gmbh + Co. Kg Serrure
EP2820208B1 (fr) 2012-02-29 2016-11-23 DORMA Deutschland GmbH Serrure
CN103075052A (zh) * 2012-12-24 2013-05-01 徐仙花 快锁定防盗门锁
CN103075052B (zh) * 2012-12-24 2015-01-21 徐仙花 快锁定防盗门锁
CN103225453A (zh) * 2013-04-17 2013-07-31 杭州金指码实业有限公司 斜舌触发方舌的插芯锁
CN103225453B (zh) * 2013-04-17 2015-04-08 杭州易欣安实业有限公司 斜舌触发方舌的插芯锁
CN110644858A (zh) * 2019-08-13 2020-01-03 中山欧朗金属制品有限公司 锁具及其控制方法
AT17862U1 (de) * 2022-01-24 2023-05-15 Roto Frank Fenster Und Tuertechnologie Gmbh Automatikschloss

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