MXPA00005774A - Slam latch - Google Patents

Abstract

A slam latch (2) secures a panel (5) such as a slidable window or door to a corresponding second panel or frame. The slam latch comprises a housing (4) which can be mounted directly to the panel by an adhesive and a catch (8) that is connected to the housing for movement between an open and a closed position.

Description

» CERROJO DE IMPACTO BACKGROUND OF THE INVENTION Locks for panels such as windows, doors and the like are well known and generally comprise a retainer fixed to the panel and movable for coupling a second panel or frame in a bolt position. In a typical operation, the bolt engages a latch on the second board in a closed position. The guarantor may include a separate piece or integral with the • 10 second panel or frame. Such a lock of the prior art is illustrated in U.S. Pat. No. 5,603,535 (Patent '535) granted to Jeffrey L. Antonucci, Richard E. Schlack and Paul Krape with title "SLA LATCH" (CERROJO DE IMPACTO), which was assigned to Southco, Inc., the assignee of this application, and which is incorporated herein by reference. The '535 patent discloses in one embodiment a bolt comprising a housing and a retainer to which the • invention. The retainer is mounted in the housing and the The housing is secured in operation by an adhesive to a panel, such as a window. The retainer when mounted in the housing is spring-biased to a closed position so that the retainer will automatically engage a detent when the panel is slidably closed. To open the bolt, the retainer is manually pivoted against the spring force bypass and away from the sear such that the panel can be slidably open. • The present invention discloses a modified impact bolt of the type shown in U.S. Pat. No. 5,603,535. COMPENDIUM OF THE INVENTION The present invention discloses an impact bolt comprising a housing and a retainer for 4fc 10 securing together sliding panels such as doors or windows. According to the present invention, an objective is to provide an impact bolt that includes a minimum of parts and that is adapted to be fastened to a panel without require the use of fastener members in the nature of screws or rivets. Yet another objective of the present invention is to provide an impact bolt adapted to be • secured to a panel by an adhesive. These and other objects of the present invention will be more readily apparent when taken into consideration with the following description and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a top plan view of an embodiment of an impact bolt of the present invention shown in a mounted position. Figure 2 is a left side elevation view 5 of the impact bolt of Figure 1. Figure 3 is a left side elevation view of the impact bolt of Figure 1 shown in the closed position. Figure 4 is an exploded perspective view 10 of the impact bolt of Figure 1 shown • its two operating parts that include a detent and a housing. Figure 5 is a bottom plan view showing the impact bolt of Figure 1 in a disassembled position. Figure 6a is an isolated elevation view of the housing of Figure 4. Figure 6b is an isolated sectional view of the • housing taken on lines 6b-6b of Figure 20 4. Figure 7 is a slightly elongated and partially sectional elevation view of the impact bolt of the Figure in a closed position. Figure 8 is a slightly elongated and partially sectional left side elevation view of the impact bolt of Figure 7 with the detent to an open position. DETAILED DESCRIPTION OF THE PREFERRED MODALITIES Now with reference to the drawings in detail, in which like reference numerals indicate similar elements throughout the various views, an embodiment of an impact bolt 5 according to the present invention is illustrated in FIG. invention. The impact bolt 2 in Figure 1 is illustrated attached to a panel 5 that includes a glass door or window in the present embodiment and is aligned with a securing element 3 fixed to a surrounding frame or frame. The movement of the door / window as signaled by the arrow A putting the impact bolt 2 in immediate proximity to the latch 3 until they are operatively attached in a closed or secured position as will be explained in more detail below. The impact bolt 2 as illustrated in the Figure 2 comprises as its portions, a housing 4 and a retainer 8. The structure of the housing 4 and the retainer 8 are best illustrated in the exploded perspective view of Figure 4. The retainer 8 is of one piece construction and comprising essentially four operating components including a tongue section 16, a button section 10, bypass means comprising a spring member 28 and a bolt or roller member 36. The tongue section 16 is generally elongated and terminates with a limb member. bolt 18 including a lip in the present embodiment. The button section 10 connects to the upper surface of the tongue 16 and includes a generally radiated external surface. The bolt is generally cylindrical in cross section and extends from opposite sides of the tongue 16 (only one of which is in Figure 4). The bypass spring 28 is generally elongated and connected to the surface • top of the tongue 16 between the button 10 and the bolt 36. The housing 4 is better illustrated in the Figures 4 to 6. The housing 4 in the present embodiment comprises a generally elongated bottom wall 60, opposite side walls 62 and a back wall 64 each connected to the bottom wall 60 and the top wall 66 connected to each of the side walls 62 and the inner wall 164. In this way, the housing 4 defines a • cavity that adapts to wrap and hide the spring branch 28 in operation, as will be described below. In the present embodiment 30, each of the opposite side walls 62 is provided with substantially cylindrical through openings 68 for receiving the bolt member in the assembly. In addition, accommodation 4 of the present embodiment as best seen in Figure 6 also preferably includes at least one and, in the present embodiment, two wall sections 70 that extend from and connect to each of the walls • upper and lower 66 and 64, respectively, of the housing 4 to be coupled by the bypass spring 28 when assembling. Further, as illustrated in Figures 4 and 6 in the present embodiment, the upper surface of the bottom wall 60 is included with at least one and in the present embodiment two adjacent ribs that are extend along its longitudinal axis on which the retainer 8 is adapted to seat. In the present embodiment, an advantage of the aligned ribs 280 is that there is a reduction in material in the housing 4 due to the cavities within the upper surface of the housing. the bottom wall 60 between each of the ribs. As can be understood, while the design of one or more ribs 280 is preferred, this is not required and the top surface of the bottom wall 60 can also be provided with different configurations by same, such as substantially flat. The bottom surface of the bottom wall of the housing 4 is best illustrated in the bottom plan view in Figure 5 and sectional view of Figure 6b. In the present embodiment, preferably the accommodation 4 includes a perimeter 320 and a first cavity extending within the bottom surface of the bottom wall and ending in an interior cavity surface 322. In addition, preferably the bottom wall 60 of the • housing includes at least one enhancement 324 connected with and 5 extending from the interior cavity surface. In the present embodiment, there are four enhancements 324, each generally triangular in shape defined by two walls and a radiating connecting portion and located at each of the four corners on the surface of the interior cavity 324. In this modality the two walls are connected together • at first ends and with its second ends spaced more than 90 ° and connected to the radiating connecting portion. Furthermore, in the present embodiment, preferably each of the four enhancements 324 has a terminal end located substantially in the same plane as the end of the perimeter 320 and includes a cavity of substantially triangular shape extending within the terminal end to the interior surface of cavity 322. Further, in the present embodiment, preferably the wall of the bottom 60 of the housing 4 is further provided with a channel 328 within the interior cavity surface 322, which is defined by continuously extending the inner and outer walls located between the perimeter 320 and lugs 324 and extending in a form continues along three sides; specifically, in the present embodiment along the sides 360 and rear 362 of the inner wall 60 but on the front 364. As will be understood, the channel 328 in the present embodiment 30 may be divided into other configurations as well, such as extending along each of the four sides of the bottom wall 60 or around each of the three sides except the back. The configuration of the bottom surface of the bottom wall in the present embodiment is convenient from the point of view that it provides a reduced material and also allows improved flow of adhesive material when assembled, as will be amply described below. By assembling the retainer 8 within the housing 4, the pin member 36 is inserted into the cylindrical openings 68 provided through the side walls 62 of the housing 4. As shown in Figure 7, when the retainer 8 is in a closed position, preferably at least a portion of the lower surface of the tongue 16 engages a portion of the upper surface of the bottom wall 60 of the housing 4, which is due to the force exerted by the bypass spring 28 in the direction of the arrow G through the junction with the two wall sections 70 of the housing 4. As illustrated in Figure 8, an application of force in the direction of the arrow D moves the retainer 8 in the direction of the arrow F against the spring branch 28 towards its open position. As previously described, in the present embodiment, the housing 4 is secured by an appropriate amount of an adhesive to the panel 5; for example, a commercially available urethane adhesive 15 can be used for this purpose. The adhesive can be applied to the bottom surface of the bottom wall of the housing 4 and / or the panel 5. The bottom surface of the bottom wall of housing 4 then engages with the • panel surface, which forces the adhesive material to flow into the spaces in the bottom surface of the bottom wall; in particular, in the present embodiment, the adhesive will circulate in at least a portion of and of Preferably within the entire channel 328, which has been found to improve adhesion between the housing 4 and the panel 5. The perimeter 320 inside the inner wall operates as a barrier to prevent the material from leaking. • adhesive. Figures 1 to 3 illustrate an interlocking operation of the impact latch 2 with a latch 3. In the present embodiment, the latch 3 is connected to the board and includes a ramp front surface 24 and a cavity 26. As illustrated in FIG. Figure 2, according to panel 5, moves in the direction of the arrow A to lock, the lip 18 engages the ramp surface 24, causing the detent 8 to move first in a clockwise direction (not shown), with the detent 8 • then moving counterclockwise to the clock hands 5 to a locked position as the lip 18 is received within the cavity 26 shown in Figure 3. To release, the detent 8 moves in the manner shown in Figure 8 by applying pressure on the button 10, which is ordinarily achieved by an operator using the strength of your fingers to put pressure on the button 10.

• As it should be understood, other configurations or arrangements of the guarantor may also be used. The components of the impact bolt 2 of the present invention include any available material, such as convenient plastic or metal materials. In the present embodiment, the housing 4 is preferably comprised of nylon and the retainer includes acetal, although other available materials may also be used. • In view of the above, it should be understood that There are advantages of the impact bolt of the present invention. A particular advantage is that the device 10 can be held in a secure position against a panel such as a window or door using a conventional adhesive. There are two aspects in the present invention that operate for maintain the connection between housing 4 and the panel.

One feature is that one or both of the lower and upper surfaces of the bottom wall of the housing 4 can be provided with a new cavity arrangement, which has the effect of reducing an amount of material and consequently the weight of the device. In the present embodiment, the lighter weight of the housing 4 is a factor that can both help in making the process easier to secure the apparatus to the panel and also to keep the device in the assembled position. Another feature attributed to the improved adhesive property of the impact bolt of the present invention is a result of the configuration of the cavities provided within the lower surface of the bottom wall of the housing 4. Specifically, an important element is a channel that is provides within the bottom surface of the bottom wall, which extends around three sides near the perimeter in the preferred embodiment, within which the adhesive material flows when the impact lock 2 is pressed against the panel 5 during the mounting. It will be understood that the foregoing description of the present invention is susceptible to various modifications, changes and adaptations by those skilled in the art, and that such modifications, changes and adaptations may be considered within the spirit and scope of the invention, as established in the claims below. For example, it should be understood that the housing 4 of the present invention can be provided having its bottom surface configured as described above, as shown in Figure 6, and with the upper surface of the substantially flat bottom wall or other known configurations in the prior art. In addition, the opposite may be true since the upper surface of the bottom wall can be configured as described in detail in the present application as shown in Figure 4, and with the lower surface of the bottom wall substantially configured flat or other configuration known in the art. Further, the housing 4 can be configured to combine both of the arrangements described above with respect to the upper and lower surfaces of the bottom wall, as illustrated in Figures 4 and 6.

Claims (23)

1. CLAIMS 1. - An impact bolt adapted to secure a panel by a compressed adhesive between the impact bolt and the panel, characterized in that it includes: a housing defining a generally elongated bottom wall having a lower surface, the lower surface defines a perimeter and a channel within the lower surface located adjacent to and extending a predetermined distance along the perimeter; and a detent connected to the housing for movement between a closed position and an open position, wherein the impact bolt further comprises means for bypassing the detent in the closed position.
2. 2. An impact bolt according to claim 1, characterized in that the perimeter of the bottom wall is defined by four sides and the channel is defined by an interior wall that extends continuously and an exterior wall that extends continuously to a spaced spacing and extending along at least three sides of the perimeter.
3. 3. An impact bolt according to claim 2, characterized in that the bottom surface of the bottom wall further includes a cavity that terminates by an interior cavity surface with the channel in the lower surface extending on the surface of inner cavity and ending with a lower channel surface, whereby the lower surface is closer to the inner cavity surface • that to the lower channel.
4. 4. - An impact bolt according to claim 3, characterized in that the housing further includes at least one enhancement extending from the interior cavity surface of the bottom wall, with at least one enhancement including a cavity inside. of a 10 termination end that defines two walls and a portion • radiated connector, with the two walls connected together to a first and second ends spaced more than 90 ° and connected to the radiating connecting portion.
5. 5.- An impact bolt in accordance with the 15 claim 4, characterized in that the housing includes four elevations located next to each of the four corners on the surface of the internal cavity.
6. 6. An impact bolt according to claim 1, characterized in that the retainer is a Piece defining a tongue generally elongated along a longitudinal axis terminating by a locking member, a spring member comprising said bypass means and having a first end connected to the retainer and a second end engaging the housing and a pivot extending from the retainer to connect the retainer to the housing.
7. 7.- An impact bolt in accordance with the • claim 6, characterized in that the housing 5 includes a rear wall extending upwardly from the bottom wall, with the second end of the spring member engaging the interior surface of the rear wall of the housing, wherein the union of the member spring with the inner wall of the housing creates a Tension on the spring member in one direction • generally away from the rear wall of the housing for rotation of the detent within the closed position.
8. 8. - An impact bolt according to claim 7, characterized in that the retainer also 15 includes a button connected to and extending from the upper surface of the detent between the locking or locking member and the first end of the spring member, and the button is adapted to rotate the detent with respect to the pivot • to raise the locking member from the position 20 closed to the open position, wherein the button includes an outer surface and the button is actuated by application of force on the outer surface of the button in a direction generally along the longitudinal axis of the detent, wherein by reaction of the button, the The button is rotated in a direction of the rear wall of the housing in opposition to the tension produced by the spring member.
9. 9. An impact bolt according to claim 7, characterized in that the housing further includes a pair of opposite spaced-apart side walls connected to the front wall and extending upwardly from the bottom wall, the housing includes a spaced apart top wall of and opposite the bottom wall. and connected to the rear and side walls, wherein the bottom, back, side and top walls define a cavity that envelops the spring member and receives the button as the button is rotated upon actuation.
10. 10. A method for securing an impact bolt on a surface of a panel by an adhesive, the method is characterized in that it comprises the steps of providing an impact bolt including a housing defining a generally elongated bottom wall with a surface lower, the lower surface defines a perimeter and a channel within the lower surface located adjacent to and extending a predetermined distance along the perimeter and a retainer connected to the housing for movement between a closed position and an open position, wherein the The impact bolt also includes means for deriving the L »detent in the closed position; Apply an adequate amount of adhesive to at least one of the bottom surface of the bottom wall of the housing or the surface of the housing. • panel; placing the impact bolt on the panel and applying a convenient amount of force to a portion of at least one of the impact bolt or panel in a direction substantially transverse to the surface of the panel such that the lower surface of the housing engages the panel surface and the adhesive is 10 compresses and flows at least on a portion of the channel within • from the bottom surface.
11. 11. In combination, an impact bolt and a panel, characterized in that they comprise: a housing defining a generally elongated bottom wall with a 15 lower surface, the lower surface defines a perimeter and a channel within the lower surface located adjacent to and extending a predetermined distance along the perimeter; where the bottom wall is defined by opposing first and second sides and the The channel is defined by first and second channels, with the first channel located close to and spaced from the first side and the second channel located close to and spaced from the second side, a retainer connected to the housing for movement between a closed position and a position 25 open, wherein the impact bolt further comprises f "'•" 18 means for bypassing the detent in the closed position; and an adhesive between the surface of the panel and the lower surface of the housing and within at least a portion of the first and second channel of the channel to secure the impact bolt to the panel.
12. 12. The combination according to claim 11, characterized in that the perimeter of the bottom wall is defined by four sides and the channel is defined by an interior wall that extends continuously 10 and an outer wall that extends continuously to # separation spaced and extending along at least three sides of the perimeter.
13. 13. The combination according to claim 12, characterized in that the surface The lower wall of the lower wall further includes a terminal cavity by a surface of the inner cavity adjacent to the inner wall of the channel.
14. 14. - The combination of compliance with the • claim 13, characterized in that the housing 20 further includes at least one enhancement extending from the surface of the interior cavity of the bottom wall, with at least the enhancement including a cavity within a terminating end defining two walls and a radiating connecting portion, with the two walls connected in 25 set at a first end and a second end is t i 'ß J-%, 19 spaced at more than 90 ° and connected to the radiating connecting portion.
15. 15.- The combination "in accordance with the • claim 14, characterized in that the housing includes four elevations positioned next to each of four corners of the surface of the internal cavity.
16. 16. The combination according to claim 11, characterized in that the retainer is of one piece defining a tongue generally elongated on 10 a longitudinal axis terminating by a bolt member, • a spring member includes the bypass means and having a first end connected to the retainer and a second end joining the housing and a pivot extending from the retainer to connect the retainer to the housing.
17. 17. The combination according to claim 16, characterized in that the housing further includes a rear wall extending upwards from the bottom wall, with the second end of the • spring member that engages an interior surface of the 20 the rear wall of the housing, wherein the coupling of the spring member with the rear wall of the housing creates a tension on the spring member in a direction generally remote from the rear wall of the housing by rotation of the retainer within a 25 closed position.
18. 18. The combination according to claim 17, characterized in that the retainer further includes a button connected to and extending from an upper surface of the detent between the bolt and a first end of the spring member, and the button is adapted to rotate the detent on the pivot to raise the bolt member from the closed position to the open position, wherein the button includes an outer surface and the button is actuated by force application on the 10 outer surface of the button in a direction generally along the longitudinal axis of the detent, wherein when the button is operated, the button rotates in a direction of the rear wall of the housing as opposed to the tension produced by the support member.
19. 19. The combination according to claim 18, characterized in that the housing further includes a pair of side walls opposite spaced apart connected to the rear wall and extending upwardly from the bottom wall, the The housing includes a spaced-apart upper wall spaced from and opposite the bottom wall and connected with the rear and side walls, wherein the bottom, rear, side and top walls define a cavity that envelops the spring member and receives the button 25 as the button is turned when operating.
20. 20. An impact bolt according to claim 3, characterized in that the channel is defined by an outer channel surface and an inner channel surface spaced apart with the outer channel surface and the inner channel surface, which have each first channel ends that engage the lower channel surface and with the outer channel surface having a second end that engages the lower surface and the inner channel surface further has a second end that engages the inner cavity surface.
21. 21. An impact bolt according to claim 20, characterized in that the spaced spacing between the inner channel surface and the outer channel surface is substantially constant over the entire length of the channel.
22. The combination according to claim 21, characterized in that the bottom wall defined by first and second opposite sides and the channel • is defined by first and second channels, with the channel 20 located next to and spaced from the first side and the second channel located next to and spaced from the second side, wherein the spacing spaced between the first side and the first channel is substantially equal to the spacing spaced between the second side and the second channel. _ &&_ '-i &BÉÍ £ S £ la? Í?'
23. 23. The combination according to claim 11, characterized in that the spacing spaced between the first side and the first channel is substantially equal to the spacing spaced between the second side and the second channel. The combination according to claim 23, characterized in that the lower surface of the bottom wall further includes a cavity that terminates by an interior cavity surface, with the channel in the lower surface extending into the inner channel surface and terminates by a lower channel surface, whereby the lower surface is closer to the inner surface than to the lower channel, wherein the channel is defined by an outer channel surface and an inner channel surface spaced apart, with the outer channel surface and the inner channel surface each having first coupling ends on the lower channel surface and with the outer channel surface which furthermore has a second end which couples the lower surface and the inner channel surface further has a second end that couples the inner cavity surface where the spaced spacing between the surface of the e inner channel and the outer channel surface is i t r 23 substantially constant over the entire length of the channel. • • •