FR2458657A1 - Flush type latch adjuster for aircraft door - uses screw-threaded member to move keeper in longitudinal direction - Google Patents
Flush type latch adjuster for aircraft door - uses screw-threaded member to move keeper in longitudinal direction Download PDFInfo
- Publication number
- FR2458657A1 FR2458657A1 FR7914873A FR7914873A FR2458657A1 FR 2458657 A1 FR2458657 A1 FR 2458657A1 FR 7914873 A FR7914873 A FR 7914873A FR 7914873 A FR7914873 A FR 7914873A FR 2458657 A1 FR2458657 A1 FR 2458657A1
- Authority
- FR
- France
- Prior art keywords
- bar
- chin
- panel
- hook
- opening
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
- E05B15/024—Striking-plates, keepers, staples adjustable
- E05B15/025—Striking-plates, keepers, staples adjustable the striker being movable by a screw/nut
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/10—Hook fastenings; Fastenings in which a link engages a fixed hook-like member
- E05C19/12—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis
- E05C19/14—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis with toggle action
- E05C19/145—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis with toggle action flush
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- Connection Of Plates (AREA)
Abstract
Description
Les aéronefs comprennent un nombre élevé de panneaux affleurants à découvert vers l'extérieur et qui sont amovibles ou articulés sur la surface environnante de l'appareil, panneaux sur lesquels sont montés un ou plusieurs verrous encastrés. Les forces considérables auxquelles la surface de l'avion est soumise font qu'il est particulièrement important de régler correctement la traction qui s'exerce entre un bras comportant un crochet d'un verrou et le bras d'un mentonnet correspondant assujetti à une partie voisine de la structure de l'avion. Pour effectuer ce réglage, il faut accéder au mentonnet et,d'habitude,il faut dégager complètement ce dernier du crochet. Aircraft include a large number of exposed panels exposed to the outside and which are removable or articulated on the surrounding surface of the aircraft, panels on which one or more recessed latches are mounted. The considerable forces to which the surface of the aircraft is subjected make it particularly important to correctly adjust the traction exerted between an arm comprising a hook of a bolt and the arm of a corresponding chin resting on a part. close to the structure of the plane. To make this adjustment, you have to access the chin strap and, usually, you have to completely release it from the hook.
La présente invention concerne donc un dispositif de réglage de la traction exercée par un verrou encastré, dispositif qui permet d'accéder à ce dernier pendant que le crochet et le mentonnet sont en prise afin de permettre de régler facilement une traction sûre et prévisible exercée par un tel verrou encastré, de manière qu'il reste efficace dans des conditions extrêmement rigoureuses d'utilisation. The present invention therefore relates to a device for adjusting the traction exerted by a recessed bolt, a device which allows access to the latter while the hook and the lug are engaged in order to allow easy adjustment of a safe and predictable traction exerted by such a recessed lock, so that it remains effective under extremely harsh conditions of use.
La présente invention comprend donc, en résumé, un dispositif de réglage de la traction exercée par un verrou encastré comportant une nouvelle disposition du mentonnet qui peut être déplacé longitudinalement à l'aide d'un arbre fileté de conception nouvelle, disposé à l'intérieur mais au voisinage de la surface de l'aéronef,de manière à permettre l'accès d'un outil destiné le faire tourner et auquel il est possible d'accéder facilement lorsque le verrou encastré occupe sa position initiale d'ouverture. Le dispositif de l'invention peut être substitué à des dispositifs de réglage classiques sans qu'il soit nécessaire de remplacer le verrou. The present invention therefore comprises, in summary, a device for adjusting the traction exerted by a recessed bolt comprising a new arrangement of the chin which can be moved longitudinally using a threaded shaft of new design, placed inside but in the vicinity of the surface of the aircraft, so as to allow access to a tool intended to rotate it and to which it is possible to easily access when the concealed bolt occupies its initial opening position. The device of the invention can be substituted for conventional adjustment devices without the need to replace the lock.
L'invention sera décrite plus en détail en regard du dessin annexé à titre d'exemple nullement limitatif et sur lequel
- la figure 1 est une coupe longitudinale partielle d'un panneau et d'un chassies équipes d'un verrou de type encastré et représente en coupe son dispositif de réglage de la traction
- la figure 2 est une coupe à échelle agrandie du dispositif de réglage suivant la ligne 2-2 de la figure I
- la figure 3 est une vue en bout partielle, partiellement en coupe, suivant la ligne 3-3 de la figure 2 et tournée de 900 ; et
- la figure 4 est une coupe suivant la ligne 4-4 de la figure 2, tournée aussi de 900.The invention will be described in more detail with reference to the attached drawing by way of non-limiting example and in which
- Figure 1 is a partial longitudinal section of a panel and a flush fitted with a recessed type lock and shows in section its traction adjustment device
- Figure 2 is a section on an enlarged scale of the adjustment device along line 2-2 of Figure I
- Figure 3 is a partial end view, partially in section, along line 3-3 of Figure 2 and turned 900; and
- Figure 4 is a section along line 4-4 of Figure 2, also turned 900.
Le dispositif de réglage d'un verrou de type encastré selon l'invention est destiné principalement à un avion représenté partiellement par le revêtement I de son fuselage. Un panneau 2 supporté par un châssis 3 affleure le revêtement. Une ouverture rectangulaire 4 du panneau 2 a des dimensions lui permettant de loger un verrou 5 de type encastre. The device for adjusting a recessed type lock according to the invention is intended mainly for an aircraft partially represented by the coating I of its fuselage. A panel 2 supported by a frame 3 is flush with the covering. A rectangular opening 4 of the panel 2 has dimensions allowing it to accommodate a lock 5 of the recessed type.
Le verrou 5, qui peut être considéré comme étant classique, comprend une poignée ou unlevier6articuléprès-de liune de ses extrémités par un axe 7 qui lui permet de se déplacer entre une position encastrée, une position oblique initiale et une position oblique extrême. Sur la figure, la poignée est representée dans sa position initiale oblique. Le levier 6 est en forme de profilé en U en coupe et loge un bras 8 auquel il est relié par un axe 9. Les extrémités du levier et du bras sont disposées à une extrémité de l'ouverture rectangulaire 4 et l'extrémité du bras 8 comprend un crochet 10. The latch 5, which can be considered to be conventional, comprises a handle or a lever articulated near one of its ends by an axis 7 which allows it to move between a recessed position, an initial oblique position and an extreme oblique position. In the figure, the handle is shown in its initial oblique position. The lever 6 is in the shape of a U-shaped cross-section and houses an arm 8 to which it is connected by an axis 9. The ends of the lever and of the arm are arranged at one end of the rectangular opening 4 and the end of the arm 8 includes a hook 10.
Lorsque le levier 6 occupe sa position encastrée, il est relié au bras 8 par un loquet de jonction 11 pouvant être déplacé manuellement et permettant ainsi de mettre le levier dans sa position oblique initiale représentée et dans une position oblique extrême non représentée.When the lever 6 occupies its recessed position, it is connected to the arm 8 by a junction latch 11 which can be moved manually and thus making it possible to put the lever in its initial oblique position shown and in an extreme oblique position not shown.
Le dispositif décrit peut être considéré comme étant classique et aussi comme une variante du dispositif décrit dans les brevets des
Etats-Unis d1Amérique nO 2 712 955 et nO 3 542 410.The device described can be considered as being conventional and also as a variant of the device described in the patents of
United States of America No. 2,712,955 and No. 3,542,410.
Le crochet 10 d'extrémité est placé au voisinage d'un côté du châssis 3 et s'accroche A un mentonnet 12 en forme de U comprenant un élé- ment transversal 13 et des éléments parallèles 14. Un bloc de guidage 15 assujetti à la partie voisine du châssis 3 comprend des alésages parallèles 16 dans- lesquels coulissent les éléments parallèles 14 du mentonnet 12. Le bloc 15 comprend une plaque de montage 17fixée au châssis 3 par des vis 18. The end hook 10 is placed in the vicinity of one side of the frame 3 and hooks to a U-shaped bar 12 comprising a transverse element 13 and parallel elements 14. A guide block 15 secured to the adjoining part of the chassis 3 comprises parallel bores 16 in which the parallel elements 14 of the chuck 12 slide. The block 15 comprises a mounting plate 17 fixed to the chassis 3 by screws 18.
Les extrémités des éléments parallèles 14 sont réunies par une barre transversale 19 a laquelle elles sont assujetties par des broches d'ancrage 20. Un alésage taraudé 21 est centré par rapport aux éléments paallèles 14 du mentonnet. La barre transversale 19 comprend un second alésage taraudé 22 disposé coaxialement par rapport à l'alésage 21. Les alésages ta raudés dont'les pas sont opposés logent un arbre de commande 23 comportant des filetages à pas opposés. Une première extrémité de l'arbre de commande 23 est rapprochée de l'extrémité correspondante de l'ouverture rectangulaire 4. De plus, tout le mentonnet est situé à proximité de la surface du panneau 2. The ends of the parallel elements 14 are joined by a transverse bar 19 to which they are secured by anchoring pins 20. A threaded bore 21 is centered relative to the paallel elements 14 of the spar. The transverse bar 19 comprises a second threaded bore 22 disposed coaxially with respect to the bore 21. The threaded ta bores whose opposing pitches house a control shaft 23 comprising threads with opposite pitches. A first end of the control shaft 23 is brought closer to the corresponding end of the rectangular opening 4. In addition, the whole chin is located near the surface of the panel 2.
L'arbre 23 comprend un alvéole de commande 24 de section polygonale. L'alvéole est disposé de façon qu'unie clef à tige 25 de forme polygonale puisse être introduite par l'ouverture 4 lorsque le levier occupe sa position oblique initiale et qu'elle puisse être manipulée pour être engagée dans l'alvéole 24.The shaft 23 includes a control cell 24 of polygonal section. The socket is arranged so that a spindle key 25 of polygonal shape can be introduced through the opening 4 when the lever occupies its initial oblique position and that it can be manipulated to be engaged in the socket 24.
Ce genre de clef pour six pans en creux est bien connu. This kind of Allen key is well known.
Le dispositif de réglage de l'invention fonctionne de la façon suivante
Initialement, il faut relever le levier 6 de sa position encastrée à la position oblique initiale représentée sur la figure 1. La clef 25 peut accéder alors à l'arbre de commande 23. Dans cette position du verrou, le bras 8 et le mentonnet 12 restent en prise. On fait tourner ensuite l'arbre 23 de façon à provoquer la mise en extension ou en retrait du mentonnet 12.The adjustment device of the invention operates as follows
Initially, it is necessary to raise the lever 6 from its embedded position to the initial oblique position shown in FIG. 1. The key 25 can then access the control shaft 23. In this position of the lock, the arm 8 and the chuck 12 remain engaged. The shaft 23 is then rotated so as to cause the extension 12 to retract or retract.
Après un essai de réglage, on le met à l'épreuve en enlevant la clef pour six pans creux et en fermant le levier. Il convient de noter que, bien que le réglage nécessite une certaine manipulation du verrou, le déplacement de ses éléments est minimal et s'effectue rapidement. After an adjustment test, it is tested by removing the Allen key and closing the lever. It should be noted that, although the adjustment requires some manipulation of the lock, the movement of its elements is minimal and takes place quickly.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7914873A FR2458657A1 (en) | 1979-06-11 | 1979-06-11 | Flush type latch adjuster for aircraft door - uses screw-threaded member to move keeper in longitudinal direction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7914873A FR2458657A1 (en) | 1979-06-11 | 1979-06-11 | Flush type latch adjuster for aircraft door - uses screw-threaded member to move keeper in longitudinal direction |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2458657A1 true FR2458657A1 (en) | 1981-01-02 |
FR2458657B1 FR2458657B1 (en) | 1984-06-29 |
Family
ID=9226429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7914873A Granted FR2458657A1 (en) | 1979-06-11 | 1979-06-11 | Flush type latch adjuster for aircraft door - uses screw-threaded member to move keeper in longitudinal direction |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2458657A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2616460A1 (en) * | 1987-06-10 | 1988-12-16 | Etu Pilotage Sarl Const | Device for anchoring into concrete for a support post, particularly for signs using a sealing bar |
EP2444575A1 (en) * | 2010-10-25 | 2012-04-25 | Lisi Aerospace SAS | Pawl lock provided with a positioning device and method for installing such a lock |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB771907A (en) * | 1955-04-01 | 1957-04-03 | Clark Hartwell | Latch structure |
GB886968A (en) * | 1958-05-09 | 1962-01-10 | Joseph Arthur Clamot | Improvements in or relating to assemblies including tubes |
US3664696A (en) * | 1971-01-15 | 1972-05-23 | Hartwell Corp | Latch adjuster |
-
1979
- 1979-06-11 FR FR7914873A patent/FR2458657A1/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB771907A (en) * | 1955-04-01 | 1957-04-03 | Clark Hartwell | Latch structure |
GB886968A (en) * | 1958-05-09 | 1962-01-10 | Joseph Arthur Clamot | Improvements in or relating to assemblies including tubes |
US3664696A (en) * | 1971-01-15 | 1972-05-23 | Hartwell Corp | Latch adjuster |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2616460A1 (en) * | 1987-06-10 | 1988-12-16 | Etu Pilotage Sarl Const | Device for anchoring into concrete for a support post, particularly for signs using a sealing bar |
EP2444575A1 (en) * | 2010-10-25 | 2012-04-25 | Lisi Aerospace SAS | Pawl lock provided with a positioning device and method for installing such a lock |
FR2966555A1 (en) * | 2010-10-25 | 2012-04-27 | Lisi Aerospace Sas | HOOK LATCH WITH POSITIONING DEVICE AND METHOD FOR MOUNTING SUCH LATCH |
US9567784B2 (en) | 2010-10-25 | 2017-02-14 | Lisi Aerospace | Hook latch fitted with a positioning device and a method for assembling such a latch |
Also Published As
Publication number | Publication date |
---|---|
FR2458657B1 (en) | 1984-06-29 |
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ST | Notification of lapse |