DE1553443A1 - Snap lock with locking device - Google Patents

Description

Presto Lock Company, Incorporated, of Garfield, New Jersey

Snap lock with locking device

The present invention relates to an improved snap lock and an improved locking device for suitcases and similar containers,

It is an object of the invention to provide a snap lock with an associated hasp which is constructed so that the hasp is ejected by a direct, non-elastic force acting on it when the lock is opened, however is firmly attached to the snap lock.

The invention also aims to provide a lever operated To create a snap lock of a new and stable design.

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The invention further aims to create a snap lock that is used for the purpose of ejecting the hasp when opening the Castle performs the function of a cam, and in which the mentioned ejection takes place without the use of a spring.

It is also an object of the present invention to provide a lever operated snap lock which, when assembled on a suitcase or the like, appears from the outside as an essentially flat, smooth surface that only slightly differs from the outer surface of the Suitcase protrudes; In this way, the contours of the suitcase are not interrupted by a considerably protruding part of the device still defaced.

Finally, the invention is intended to provide the aforementioned snap lock with a device for releasably blocking the snap lock be connected in the locked position.

Further details of the invention emerge from the following description of the illustrated in the accompanying drawing Embodiment. In the drawing is:

Figure 1 is a perspective partial view of a suitcase on which two snap locks according to the invention with locking devices are attached, which are shown in the locked position;

Figure 2 is a partial plan view of a suitcase, from which can be seen is like the snap lock and its associated

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Hasp arranged in their locking position with respect to one another are, the snap lock and the hasp are shown enlarged;

FIG. 3 shows a longitudinal section approximately on the plane of the line 3-3 of Fig. 2;

FIG. 4 is a view similar to that of FIG. 3, but on which the latch is shown in its open position;

Figure 5 is a plan view of the latch in his Housing on which part of the latter for the purpose of clearer Illustration has broken away;

Figure 6 is a partial plan view of the snap lock and the hasp connected to it, from which it can be seen how the snap bolt removes the hasp when the latter is moved out of the Open pulls into the locking position for the snap lock;

FIG. 6a is a view similar to that of FIG. 6, but on which the latch is shown moving from the lock to the open position with the hasp through the Movement of the latch is ejected or pushed away from the latter and the snap lock;

FIG. 7 shows a cross section approximately on the plane of the line 7-7 of Fig. 2;

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Figure 8 is a plan view of the underside of a secondary assembly comprising a plate and actuation means of the snap lock;

Figure 9 is a plan view of the underside of the plate assembly showing the plate, the means for actuating the Snap lock, an elastic part connected to the latter device Λa support device for a locking bolt contains; this view shows the arrangement attached to the wall of a suitcase, with the wall for the purpose of has broken away from clearer representation.

The drawing shows a snap lock according to the invention, which essentially has a plate A, a device B for actuating or releasing the snap lock, and a snap lock G. The latch is brought into engagement with the hasp D, ie in the locking position, by longitudinal movement with respect to the lock; similarly, this engagement is released by longitudinal movement with respect to the lock. As shown in Figs. 2 and 7, the snap lock is attached to the wall W of one half of a suitcase, while the hasp D is attached to the wall W ^{1 of the other half of the suitcase.} The two case halves are connected to one another on their underside in a known manner by hinges.

In the preferred embodiment of the invention is

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the device B for triggering the latch is designed as a lever which is rotatably arranged with respect to the plate A. is. This lever for triggering the latch has one visible and one on the outside of the lock lever arm extending under the plate, the latter interacting directly with the latch C. The lever to trigger the snap lock, the plate. and the snap lock are arranged with respect to each other so that the latch G engages with the hasp D (Pig. 2 and?), i. H. assumes the locking position when the lever is depressed (Figs. 1, 2, 3 and 7). When the lever is turned out of the locked position in the open position (Pig. ^) the Snap lock out of engagement with the hasp.

As will be explained below, the latch C and the hasp D are preferably constructed so that the hasp at Opening the lock is properly ejected or pushed away from the snap lock, whereby a clear separation of the case part, on which the hasp is attached, takes place from the opposite part, which carries the snap lock. The latch and the hasp are also built so that at. the movement of the bolt from the open to the locked position a train is exerted on the hasp, as a result of which the case halves are drawn towards one another. Both the expulsion and the just mentioned train take place independently of the force of a spring. The one connected to the device B for actuating the latch Spring E only serves to make this device elastic

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to hold in their locked or open position. The force for the expulsion and the pull is obtained by converting the Longitudinal movement in which the latch is set into a force acting transversely on the hasp, this transverse force or this transverse pressure acts directly on the hasp without the aid of the force of a spring.

In the preferred embodiment of the invention, the snap lock is provided with a locking bolt P which releasably blocks the device or the lever B for actuating the snap bolt and the snap bolt itself in the locking position. Like in Pig. 3 and k , the locking bolt is formed with a conventional lock cylinder G, which allows the insertion of a key (not shown) for the purpose of moving the locking bolt from its open to its locked position. As can be seen from Fig. 3, ^ and 9, a device H is provided in the form of a cover plate, which holds the locking bolt F in connection with the arrangement attached to the plate A. As will be explained in the following, this cover plate is preferably shaped in such a way that it simultaneously holds the lever B in rotary connection with the plate A for triggering the snap lock.

The plate A is essentially rectangular and is preferably manufactured by injection molding, so that a number of the parts belonging to the plate, to be described below, can be made with the plate as a single construction piece.

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themselves

can be cast, thereby reducing the manufacturing costs of the parts as well as reduce the cost of assembling. In the case of a plate manufactured by injection molding, the Means for attachment to the case wall extend from the underside of the panel so as to be on the exposed surface no rivet heads, screws or the like are visible. For the purpose of a special shape, the essentially rectangular The plate can also be provided with curved contours or, as shown, rounded at one end *

In the plate A a longitudinally extending through the center recess or depression 10 is arranged, which extends over a substantial part of the plate. At one end of the recess is an opening 12, which extends through the plate. The width of the opening corresponds

essentially the width of the recess. The recess is delimited by a lower wall Ik 'and side walls 16, 16 · running in the longitudinal direction. The side walls also delimit the opposite sides of the opening 12. As shown in Figures 3 and k , the lower wall at the end of the recess opposite the opening 12 preferably has a curved portion 18 which extends to the surface 20 of the plate As can be seen from the following, a part of the device B for releasing the latch is arranged in the recess 10 with respect to the bent part 18 so that the lever arm can be rotated into the open position with the finger.

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As shown in Fig. 3 and H- , the device B for triggering the snap lock is preferably designed as an angle lever. This lever is provided at one end with a rotary connection by means of which it interacts with the plate. It is preferably manufactured by injection molding, with two cast, transverse pivot pins 22, 22 '. It will be understood that a separate pin can be provided which extends through an opening extending through the lever at the location of the pivot pins. The pin or the pins rest in two open transverse bearings Zh, Zk 'arranged at a distance. These bearings are formed on the underside of the plate A next to the opening 12 in the walls 16, 16 'delimiting the sides of the opening. In the casting, the bearings are simply semicylindrical recesses that are cast into the underside of the plate and extend to the opening 12.

As shown in Figs. 3 and 4, the lever B is for release of the snap bolt consists of a long arm extending from the axis of the pivot pins 22, 22 'in the longitudinal direction 26 as well as a short arm, which is preferably made up of two parallel arms 28, 28 'running transversely at a distance. composed. The two arms 28, 28 'are shown in FIGS. 7, 8 and 9. They extend from the horizontal axis the pivot at an angle of about 120 ° with respect to the plane of the lever arm 26 downwards. Even though you only have one short arm, but for reasons of equality it is

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weight and symmetry as well as for better installation of the spring E advantageous, on the lever for triggering the latch, the mentioned two parallel, transversely extending at a distance To provide arms.

When assembling the lever B with the plate A, the lever arm 26 is first guided from the underside of the plate through the opening 12 j then the pivot pins 22, 22 'are placed in the bearings 2k _t 2V. As can be seen from Fig. 2, the width of the lever arm 26 is slightly less than that of the opening 12, so that it is possible to insert the arm through the opening. The width of the pivots 22, 22 'but is larger than that of the opening 12, so that the lever B after insertion of the pivot pin into the open bearing 2k, 2k ^l shown with the plate A, as shown in Fig. 8, is rotatably connected. The lever can be rotatably connected to the plate in any suitable manner; As described below, such a connection is provided by the cover plate H, which serves to support the locking bolt F at the same time.

As FIG. 2 shows, the width of the lever arm 26 is slightly smaller than that of the recess 10. As can be seen from FIGS. 3 and k , the recess (together with the length of the opening 12) is also longer than the arm 26, so that enough space remains free to grasp the end 30 of the lever arm with the finger from the curved part of the recess. At the bottom of the

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Arm 26, a projection 32 may be provided, which when moving downward the lever hits the lower wall 14 of the recess; this causes the rotation of lever B to trigger of the snap lock when moving into the locking position (Fig. 3).

As can be seen from FIG. 3, in the lower position of the lever B, the surface Jk of the arm 26 is essentially on the same plane as the outer surface 20 of the plate A, so that the surface of the snap lock visible from the outside is essentially flat. After the snap lock has been installed in the wall W of a case part, only the uppermost part of the plate is visible from the outside; this part may only protrude by 0.8 mm beyond the adjoining surface. For the purpose of fastening the snap lock to the wall W, the plate is provided with a plurality of fastening means which, if it is produced as a cast piece, can be designed in the form of cast connecting pins. 8 and 9 show such a pin 38 which is arranged near one end of the plate and extends from the underside thereof, as well as two spaced transversely arranged connecting pins 40, 40 'which also extend from the plate near the other end of the plate Extend the underside. The pins extend through openings formed in the wall W and are so long that their ends can be covered on the underside of the wall, whereby a firm connection between the plate and the parts connected to it on the one hand and the wall on the other hand is given. The walls W, W ¹ can be made of a known,

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material suitable for luggage. As shown, the walls are made of wooden panels 42 to which a layer of decorative plastic material 44 is glued. It understands that the walls are completely cast from plastic or from drawn, coated with a suitable decorative material Metal can be made.

As shown in Fig. 3, 4, 8 and 9, the lever B for releasing the latch is provided with a device with the spring E cooperates to hold the lever elastically in the locking or in the open position. To this end extends a web 4-6 between the arms 28, 28 'over a Part of their length, d. H. it extends from one arm to the other on the back of the arms so that between the arms in one Plane substantially on the axis of pivot pins 22, 22 ' lies, a protruding edge 48 is formed. As described below, the protruding edge 48 provides one with the locking bolt cooperating device represents the locking of the lever B and the latch C in the locking position serves. At its lower end, the web 4b has an edge 50,

when assembling the lever B with the plate over the free Ends 52, 52 'of the arms 28,28'. As shown in Figs. 3 and 4, the web 4b forms a surface which extends at an obtuse angle to the plane of the arm 26 and in the locking position (Fig. 3) of the lever with the spring E is in engagement.

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As can be seen from FIGS. 3 _f ^ and 9, the spring E is designed as a leaf spring, which consists of a main part $ k and an extension 56 which cooperates with the web * J-6 on the lever B. The extension curves upward from the plane of the main part. The spring is attached to the underside of the plate A by two connecting pins 58, 58 'attached to the plate and extending downwards at a distance in the longitudinal direction, which protrude through corresponding openings in the main part of the spring and are provided with a head on the underside thereof so that the two parts are in the. in the manner shown in Fig. 3 and k. When the lever B is rotated to release the latch from its locking position (FIG. 3) into the open position (FIG. K) , the extension 56 of the spring is pressed down, the edge 50 of the web moving upwards on the spring extension; in the open position now reached, the lever is held elastically in a position in which its arm 26 points upwards. When the lever is rotated in the opposite direction, the action of the spring E causes it to snap down into the locking position shown in FIG.

As shown in Figures 3 ^»1 ^. And 7, the latch is formed such that it with the arms 28, or the arranged at a distance in the transverse direction is parallel arms 28 'in engagement. For this purpose, the snap lock is provided with two openings 60, 60 ', in which the free ends 52, 52' of the arms 28, 28 'lie. The latch, which is also

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is preferably produced by injection molding, has a transverse wall 62 in which the openings 60, 60 'are formed. As shown in FIGS. 3, 3 and 5, the side surfaces adjoining the openings can be rounded. In order to reduce the friction during the movement of the snap bolt in its housing to a minimum, the wall 62 lies transversely over two running rollers 6 ^, 64 'extending in the longitudinal direction. As can best be seen from FIGS. 3, k, 5 and 7, the snap lock is arranged in the housing I.

The housing preferably consists of two parts 66, 68, which, when joined together, enclose the snap lock G, but with a transverse opening 70 (FIG. 7) facing the hasp D remaining free through which the hasp engages the snap lock. The snap lock can only execute a sliding longitudinal movement triggered by the lever B in the housing. The parts 66, 68 of the housing are formed as flat plates with inwardly curved side walls 72 and 'Jk- . The side walls for the housing parts do not extend completely around the corresponding part, but complement each other in that the exposed edges of the side walls adjoin the opposing housing parts and thus form a cavity suitable for accommodating the latch. The side wall 72 of the lower housing part 66 is provided with a plurality of pins 76 (FIG. 5) which are bent over the upper housing part at a vertical distance from one another to connect the housing parts. An opening 78 is formed in the upper housing part 68, through which the ends 52> 52 'of the lever arms 28, 28' can enter the openings 60, 60 'in the snap lock.

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A trimmed opening 79 is formed in the wall W through which the arms extend and in which they are bent from their shocks can perform. The rollers 64, 64 'slide along the Inside of the housing part 66; they are in their longitudinal movement through .im lower housing part 66 on opposite sides Ends of the housing formed guide projections 80, 80 ' limited. As shown in Figure 5, is the transverse dimension of the advances slightly smaller than the distance between the rollers 64, 64 ', The Puhrungsvorstoße formed by displacement of the metal of the housing part 66 form incisions on the underside of the part 66, These incisions form recessed areas for receiving the ends of a device for connecting the housing I and that contained therein Snap lock C with the plate α and the one marked with iür Lever B to release the snap lock and to connect these parts to the wall of a case or container part.

As shown in Figures 3 and 4, the housing the parts bo, 68, in which balanced openings 82,82 'and 84, 84 ', the former of which are located in the Middle Ages of advances 80, 80 "are located. The plate is longitudinally spaced with molded, downwardly extending Connecting pins 86, 86 'provided on the middle Are arranged longitudinal axis of the plate. The connection pins extend through balanced openings 88, 88 'formed in the wall W of one case half and through the openings Ö4, d4' and 82, 82 'in housing parts 68, 66. In main part 54 of FIG Spring E has an opening through which the connecting pin can be inserted 86 'extends. By covering the bands of the connecting pins 86, 86 ', a firm connection of the plate and the

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Lever to trigger the snap lock with the housing and the achieved snap lock contained therein; these parts are then in the desired arrangement with the wall W a Case half connected.

As can be seen from FIGS. 2 and 5, the latch C forms a transverse hook 90 with a step 92 which extends to the longitudinal axis of the latch at an angle of approximately h $ ° . The hook has a second portion 9 ^, cLer extends parallel to the longitudinal axis of the latch. Sections 92, 9 * 4-

naturally merge directly into one another and form a one-piece snap lock. Section 9 ^ goes to his inner end in a cam 96 over, which with the hasp together. acts and pulls it inwards against the snap lock «The section 9 * + is on its outside with a second cam 38 provided that cooperates with part of the hasp and the hasp when the latch is moved into the open position or pushes away from the latch and the snap lock.

As shown in FIGS. 2 and 7, the hasp D has a base 100 from which two spaced, parallel arms 102, 104 extend in the transverse direction. The arms 104, 10ό are bent away from the plane of the lower part 100 so that the arms penetrate into the opening 70 and can thus work together with the snap lock (FIG. 7). The hasp can be attached to the wall W ¹ using suitable fasteners, ζ. Β. by rivets 105, 105 'which extend through the wall and base 100 of the hasp in the manner shown in Figures 2 and 7. The arm 102 is

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longer than the arm 10 ^ and with an inwardly curved hook 106 is provided which runs out into a nose 108. The hook 106 enters the space between the inner edges of the sections 92 and 9 * l · or of the hook 90 formed by the snap lock. Of the Arm 10 ^ of the hasp has a round end 110. The space in between has between the nose 108 and the end 110 of the arm for the engagement of the portion 9 ^ of the hook 90 with the hook 106 of the Hasp required size.

6 shows the interaction of the snap lock with the hasp, ie the pulling of the hasp onto the snap lock when the latter is moved from the open position into the locking position. As shown, by moving the latch C in the direction indicated by the arrow L, the cam 96, which pulls the hasp, engages with the nose 108. The angle on the cam 96 moves the hasp in the direction indicated by the arrow Ϊ. In this way, the longitudinal movement in the Ridfcung L is transferred into a hasp movement in the transverse direction Y, ie towards the latch. When the snap lock is moved further, it hooks into the hasp, as shown in FIG. 2. The movement of the latch C in the indicated direction is caused by the fact that the lever arm 26 is moved from the position shown in FIG. H into the position of FIG.

Fig. 6a shows how the hasp is pushed away from the latch. During the transition from the locking position shown in FIG. 3 to the open position of FIG. 4-, the snap lock completes a longitudinal movement: in the direction of the arrow U. If the

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the hasp pushing away cam 98 with the end 110 of the arm comes into contact, the hasp is pushed away in the transverse direction, i. H. in the direction indicated by the arrow Z from the Latch moved away.

As mentioned above, the snap lock according to the invention is preferably provided with a device for blocking the snap bolt equipped in the locked position. For this purpose, a cavity 112 (Fig. 8) is in the underside of the plate A

P formed in which the locking bolt is arranged. How out 2, the locking bolt is essentially a Y-shaped part with a middle base 114 and two in Crosswise spaced arms 1] 6, 116 '. At A recess 118 is located on the inside of the arm 116 for receiving a key (not shown), which is inserted through the opening in the lock cytinder G. With a twist of the key, the locking bolt is moved from the open position into the locking position in which the lower part 114 lies under the projection 48. In this position of the locking bolt the lever arm 26 cannot be raised; the snap lock is therefore blocked in its locking position. By an opposite turn of the key becomes the locking bolt moved in the longitudinal direction to a position in which the lower part no longer blocks the lever for triggering the latch, so that the former can be rotated to the open position.

The locking bolt is on the plate A through the cover plate

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H held. Like from Pig. 9 shows the cover plate with recesses for receiving the connecting pins 86, 40, 40 ' Mistake. In the cover plate there are also openings through which two connecting pins arranged at a distance in the transverse direction are located 118, 118 'extend to the bottom of the plate are molded and extend downwards. After covering the pin ends or after putting on nuts, the connection is made of the cover plate with the plate A and thus a support of the locking bolt is achieved. In the cover plate can furthermore an opening 120 for receiving the lower part of a key can be arranged. To maintain the locking or the open position of the locking bolt, two spaced apart recesses 139, 119 'are in the cover plate (Fig. 3) formed, which has a projection 121 (Fig. 2) on the Pick up the underside of one of the arms of the locking bolt.

Although, as mentioned, any suitable means can be used can be turned to pivot pins 22, 22 'for rotatable connection of the lever B with the plate A in its lasers 24, 24 'closed hold, this goal is best achieved by two lateral, spaced-apart extensions 122, 122 'of the cover plate H. The extensions are located under the pivot pins and prevent them from sliding out of the bearings. To the To adapt bearings formed in the extensions to the cylindrical shape of the pivot pins, the extensions 122, 122 ' be provided with semicircular recesses 124, 124 'which receive the pivot pins. The cover plate is on plate A.

furthermore by two cross-connecting pins arranged at a distance 126, 12o 'attached in one piece with the plate

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are shaped and extend downward from the underside thereof. These connecting pins extend through balanced, close openings located at the ends of the extensions 122, 122; their ends are covered for a firm connection of the plates.

FIG. 1 shows two snap locks fastened in the wall W of one case half. As shown, the handle Q between the two spring locks extends for mounting an elongated plate P. To the locks and the holding plate P to appear for the handle as a continuous part, the plate A ₁ may be as shown in Fig. 3 and shown k, be provided with a shoulder at 128, s) that the metal parts form a substantially flat surface.

Fig. 7 shows two edge strips V, V on the edges of the case halves. However, these parts do not form part of the invention. It goes without saying that the snap lock described here and the locking device with the associated hasp can be used for any suitcase or container whose parts or halves are to be locked together. The case parts do not have to have edge strips on all of their abutting edges. If, however, edge strips of the embodiment shown are used, it is expedient to ^{provide an opening 130 in strip V 1} through which the hasp extends when it engages in the latch.

From the above detailed description of a preferred

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Embodiment of the snap lock, the locking device and the hasp are the advantages achieved by the invention and improved results are clearly evident. It is also apparent that various changes and modifications have been made without departing from the spirit and scope of the invention as defined in the following claims.

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Claims (1)

Claims \ 1, J Snap lock for suitcases or suitcase-like containers, which is a plate, a lever to release the latch, has a snap lock and a receiving member for the snap lock, characterized in that that in the outer surface of the plate (A) a recess (10) which at one end into a recess extending through the plate Opening (12) passes over, and at one end of the lever (B) for triggering the snap lock this lever with the plate connecting rotating device (22, 22 ') are provided that the axis of rotation of the lever extends through the opening in the plate, that a lever arm (26) in the locked position of the Lever lies in the recess that the opposite end (30) of the lever arm for manual actuation, d. H. for rotation of the lever around the rotating device in the open position, is exposed that further a device (E) for resilient plague posture of the lever in its locked or open position it is provided that the snap lever arranged under the plate (C) is movable in the longitudinal direction, that the lever has arms (28, 28 ') extending through the opening in the plate, which interact with recesses (60, oO ') in the snap lock, and that the latch is moved out of the recess into the open position by manual rotation of the lever arm, while he goes into the locking position by turning this lever arm back. 009817 / ÜQ79 BAD ORlGiNAL - 23 - 2. Snap lock according to claim 1, characterized that the two pass through the opening (12) in . the plate extending arms (28, 28 ') parallel and transversely in are arranged at a distance from one another that the ends (52,52 ') of these arms in the two recesses (60, 60') in the snap lock lie that a web (46) is provided between the arms, with the surface of which the device (E) for resilient retention of the lever (B) in its locking or in its oven division is in engagement, and that this device is designed as a leaf spring attached to the underside of the plate (A), the portion of which (56) engages the surface of the web. 3. Snap lock according to one of claims 1 or 2, characterized in that on the lower plate of the plate (A) a locking bolt (F) is inserted so that the lever (B) for triggering the snap bolt is connected to the DreheLnrichtun «-; (22, 22 ') has subsequent device (48) which cooperates with the locking bolt to block the rotation of the lever, and that for moving the locking bolt from a position blocking the lever into a position releasing the lever and for the reverse movement the plate (A) with a lock cylinder (G) and the locking bolt (F) with a recess (118) is provided for receiving a key. V. ' Snap lock according to one of the preceding claims, characterized in that the snap lock (C) has a transversely extending hook (90), and that on the inside of the hook a receiving member (D) for the 009817/0079 6AD ORIGINAL ~ ^2k " as Latch zoom withdrawing cam (96) and a receiving member of this wegschiebender at the ¹ outer side of the hook cam (98) is arranged. 5. Snap lock according to one of the preceding claims, characterized in that the snap lock (C) is arranged in a housing (I) with a transverse opening (70) through which the receiving member (D) for the snap lock and a device (86, 8b ¹ ) to connect the plate (A) to the housing extend. o. Snap lock according to one of the preceding claims, characterized in that connecting devices (3 ^ »** 0, ^ O ¹ ) formed in one piece with it on the plate (A) for fastening the plate to the outer wall (W ) of a case valley are provided, and that the device: (8b, 8b ¹ ) for connecting the plate to the housing (I) arranged on the inside of the V / and is also molded in one piece with the plate. 7. Snap lock according to one of the preceding claims, characterized in that the Kufnahmorgan (D) for the Schnapprie ^ el two longitudinally arranged, at a distance transverse arms flüE, ΙΟ ^ Ϊ, darc one (102 '. These arms one for the engagement with de:. \ hook (90) of the Scanappriegel oestinr.tei. Counter hook (lOol Desitzt and in a cheese (ICS ^ runs out, which works together for the Aufnahüieor_an:; eraru: iehenden Hocken [9c) , ui : i da ;: the 2nae (IiO ^{1 of} the second. Ar-nes ¹ IC ^ rr.it den aas Aufnah "ieoi \ an wegschiebender, stool, '-c · zuarr.rr.enacts. 0 0 9817/0079 © AD ORIGINAL Blank page