Heat disc structure, pot body assembly and cooking utensil

Abstract

This utility model provides a heating plate structure, a cooker body assembly, and a cooking appliance. The heating plate structure includes: a heating plate body; and multiple supporting structures spaced apart below the heating plate body. Each supporting structure includes a first supporting member, a second supporting member, and a connecting member. The first and second supporting members are spaced apart, and the connecting member is located between the first and second supporting members. The first supporting member, the second supporting member, and the connecting member are all riveted or welded to the heating plate body. The end of the first supporting member furthest from the heating plate body forms a first supporting end; the end of the second supporting member furthest from the heating plate body forms a second supporting end; and the end of the connecting member furthest from the heating plate body forms a connecting end. The technical solution of this application effectively solves the problem of complex supporting structures in related technologies, which leads to greater processing difficulties.

Description

Technical Field

[0001] This utility model relates to the field of small household appliance technology, specifically to a heating plate structure, a pot body assembly, and a cooking appliance. Background Technology

[0002] Currently, electric pressure cookers consist of an outer shell, a heat preservation cover, a heating plate, an inner pot, and a lid. The heat preservation cover is located inside the outer shell, the heating plate is located inside the heat preservation cover and connected to it, the inner pot is located above the heating plate, and the lid is foldable and can be placed over the inner pot.

[0003] In related technologies, a support structure is provided below the heating plate. The support structure has a support part and a connecting part. The support part and the connecting part are integrally formed. The integrally formed support structure requires multiple bending processes, which makes the processing steps of the support structure more complicated and thus makes the processing of the support structure more difficult. Utility Model Content

[0004] The main purpose of this utility model is to provide a heating plate structure, a pot body assembly, and a cooking appliance to solve the problem that the supporting structure in related technologies is relatively complex, which leads to greater processing difficulties.

[0005] To achieve the above objectives, according to one aspect of the present invention, a heating plate structure is provided, comprising: a heating plate body; and a plurality of supporting structures spaced apart below the heating plate body, each supporting structure including a first supporting member, a second supporting member, and a connecting member, wherein the first supporting member and the second supporting member are spaced apart, the connecting member is located between the first supporting member and the second supporting member, and the first supporting member, the second supporting member, and the connecting member are all riveted or welded to the heating plate body; wherein the end of the first supporting member away from the heating plate body forms a first supporting end, the end of the second supporting member away from the heating plate body forms a second supporting end, and the end of the connecting member away from the heating plate body forms a connecting end.

[0006] By applying the technical solution of this utility model, multiple support structures are spaced apart and arranged below the heating plate body. Each support structure includes a first support member, a second support member, and a connecting member, with the connecting member located between the first and second support members. All three support members—the first, second, and connecting members—are riveted or welded to the heating plate body. Through this arrangement, the first and second support ends can be supported by an insulation cover, and the connecting end can be connected to the insulation cover, ensuring a good connection and providing good stability to the support structure. Furthermore, since the first, second, and connecting members are all independent parts, their processing difficulty is reduced. Therefore, the technical solution of this application effectively solves the problem of complex support structures in related technologies, which leads to greater processing difficulties.

[0007] Furthermore, the heating plate body is provided with a first mounting hole, and the first support member is provided with a first connecting part on the side facing the heating plate body. The first connecting part is inserted into the first mounting hole. The insertion of the first connecting part into the first mounting hole and its connection with the heating plate body ensures good connection stability.

[0008] Furthermore, the first connecting part includes a first connecting plate, a portion of which is inserted into the first mounting hole and connected to the heating plate body. The first connecting plate has a simple structure; since a portion of its structure is inserted into the first mounting hole and connected to the heating plate body, the connection area between the first connecting plate and the heating plate body is increased, thereby further improving the stability of the connection.

[0009] Furthermore, the heating plate body includes a housing and a first mounting cover. A first mounting hole is provided on the housing, the first mounting cover is located at a portion of the first mounting hole, and a portion of the structure of the first connecting plate is located above the first mounting cover and connected to the first mounting cover. This arrangement allows for a more stable fit between the first connecting plate and the first mounting cover.

[0010] Furthermore, the first connecting plate includes a first plate segment, a second plate segment, and a third plate segment. The second plate segment connects the first plate segment and the third plate segment, and there is a gap between the first plate segment and the third plate segment. The first mounting cover is sandwiched between the first plate segment and the third plate segment. Because the first mounting cover is sandwiched between the first plate segment and the third plate segment, the connection stability between the first support member and the heating plate body is improved.

[0011] Furthermore, the heating plate body includes a second mounting cover, and a second mounting hole is provided on the heating plate body. The second mounting cover is located in a portion of the second mounting hole. A second connecting portion is provided on the side of the connector facing the heating plate body, and a part of the structure of the second connecting portion is located above the second mounting cover and connected to the second mounting cover. The above-described configuration enables a high degree of stability in the connection between the connector and the heating plate body.

[0012] Furthermore, there is an angle between the width direction of the first connecting part and the width direction of the second connecting part. The above arrangement can ensure structural stability.

[0013] Furthermore, the first support member includes a first plate, a second plate, and a third plate, with the second plate located between the first and third plates. This arrangement ensures good structural strength of the first support member, thereby guaranteeing its supporting effect.

[0014] According to a second aspect of this utility model, a cooker body assembly is provided, including a heating plate structure, which is the heating plate structure described above. The support structure of the heating plate structure described above is relatively easy to process, and under the action of the support structure, the heating plate body has good structural strength and is not easily deformed. Therefore, the cooker body assembly having the heating plate structure described above also has the aforementioned advantages.

[0015] Furthermore, the pot body assembly also includes a support plate, which is connected to the connecting member. Both the first and second supporting ends abut against the support plate. The support plate is connected to the connecting end, and its ends abut against both the first and second supporting ends, thus improving the positional stability of the support plate. The support plate also possesses elastic deformation characteristics; that is, when the heating plate body is compressed, the pressure is transmitted to the support plate through the first and second supporting members, causing the support plate to elastically deform. When the heating plate body is no longer compressed, the support plate returns to its original shape. According to another aspect of this utility model, a cooking appliance is provided, including a pot body assembly, which is the pot body assembly described above. The support structure of the heating plate in the pot body assembly is relatively simple and easy to manufacture; therefore, the cooking appliance with the pot body assembly described above also has the aforementioned advantages. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 A three-dimensional structural schematic diagram of an embodiment of the heating plate structure according to the present invention is shown;

[0018] Figure 2 It shows Figure 1 A partially exploded structural diagram of the heating plate;

[0019] Figure 3 It shows Figure 1 A schematic diagram showing the overall exploded structure of the heating plate;

[0020] Figure 4 It shows Figure 1 A three-dimensional structural diagram of the heating plate structure from another perspective;

[0021] Figure 5 It shows Figure 4 A magnified view of part A of the heating plate structure;

[0022] Figure 6 It shows Figure 1 A cross-sectional schematic diagram of the heating plate structure;

[0023] Figure 7 It shows Figure 6 A magnified view of section B;

[0024] Figure 8 It shows Figure 1 A cross-sectional view of the heating plate structure from another direction;

[0025] Figure 9 It shows Figure 8 A magnified view of a portion at point C;

[0026] Figure 10 It shows Figure 1 A three-dimensional structural diagram of the support structure for the heating plate.

[0027] The above figures include the following reference numerals:

[0028] 10. Heating plate body; 11. First mounting hole; 12. Housing; 13. First mounting cover; 14. Second mounting cover; 15. Second mounting hole; 20. Support structure; 21. First support member; 211. First connecting part; 2111. First plate segment; 2112. Second plate segment; 2113. Third plate segment; 212. First plate body; 2121. First bending part; 213. Second plate body; 214. Third plate body; 2141. Second bending part; 22. Second support member; 23. Connector; 231. Second connecting part; 24. Support plate. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0030] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0031] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0032] like Figure 1 and Figure 2 As shown, in this embodiment, the heating plate structure includes a heating plate body 10 and multiple support structures 20. The multiple support structures 20 are spaced apart below the heating plate body 10. Each support structure 20 includes a first support member 21, a second support member 22, and a connector 23. The first support member 21 and the second support member 22 are spaced apart, and the connector 23 is located between the first support member 21 and the second support member 22. The first support member 21, the second support member 22, and the connector 23 are all riveted or welded to the heating plate body 10. Specifically, the end of the first support member 21 furthest from the heating plate body 10 forms a first support end, the end of the second support member 22 furthest from the heating plate body 10 forms a second support end, and the end of the connector 23 furthest from the heating plate body 10 forms a connecting end.

[0033] By applying the technical solution of this utility model, multiple support structures 20 are spaced apart and arranged below the heating plate body 10. Each support structure 20 includes a first support member 21, a second support member 22, and a connecting member 23. The connecting member 23 is located between the first support member 21 and the second support member 22. The first support member 21, the second support member 22, and the connecting member 23 are all riveted or welded to the heating plate body 10. Through this arrangement, the first and second support ends can be supported by the insulation cover, and the connecting end can be connected to the insulation cover, thus ensuring a good connection and providing good support stability for the support structure 20. Furthermore, since the first support member 21, the second support member 22, and the connecting member 23 are all independent parts, their processing difficulty is reduced. Therefore, the technical solution of this application effectively solves the problem of complex support structures in related technologies, which leads to greater processing difficulty.

[0034] It should be noted that the "multiple" mentioned above refers to two or more.

[0035] like Figure 1 , Figure 2 as well as Figure 4 and Figure 5 As shown, in this embodiment, the heating plate body 10 is provided with a first mounting hole 11, and the first support member 21 is provided with a first connecting part 211 on the side facing the heating plate body 10. The first connecting part 211 is inserted into the first mounting hole 11. The first connecting part 211 is inserted into the first mounting hole 11 and can be connected to the heating plate body 10, which can make the connection more stable.

[0036] like Figure 5 , Figure 6 as well as Figure 9 As shown, in this embodiment, the first connecting part 211 includes a first connecting plate, a portion of which is inserted into the first mounting hole 11 and connected to the heating plate body 10. The first connecting plate has a simple structure. Since a portion of the first connecting plate is inserted into the first mounting hole 11 and fits against the heating plate body 10, the connection area between the first connecting plate and the heating plate body 10 can be increased, thereby further improving the stability of the connection.

[0037] It should be noted that the "connection" mentioned above includes connection through fasteners, welding, riveting, snap-fitting, or bonding.

[0038] like Figure 6 , Figure 7 as well as Figure 9 As shown, in this embodiment, the heating plate body 10 includes a housing 12 and a first mounting cover 13. A first mounting hole 11 is provided on the housing 12, and the first mounting cover 13 is located at a portion of the first mounting hole 11. A portion of the structure of the first connecting plate is located above the first mounting cover 13 and connected to the first mounting cover 13. The above arrangement enables a more stable fit between the first connecting plate and the first mounting cover 13.

[0039] Specifically, the first mounting cover 13 is placed over part of the first mounting hole 11 and is lower than the lower surface of the housing 12. Since the first mounting cover 13 is lower than the lower surface of the housing 12, the first connecting plate located in the first mounting hole 11 will not protrude excessively into the housing 12, thereby avoiding interference with the internal structure of the housing 12.

[0040] like Figure 5 , Figure 6 as well as Figure 9As shown, in this embodiment, the first connecting plate includes a first plate segment 2111, a second plate segment 2112, and a third plate segment 2113. The second plate segment 2112 is connected between the first plate segment 2111 and the third plate segment 2113. There is a gap between the first plate segment 2111 and the third plate segment 2113. The first mounting cover 13 is sandwiched between the first plate segment 2111 and the third plate segment 2113. Because the first mounting cover 13 is sandwiched between the first plate segment 2111 and the third plate segment 2113, the connection stability between the first support member 21 and the heating plate body 10 is better.

[0041] Specifically, the second plate segment 2112 can stop the end of the first mounting cover 13.

[0042] It should be noted that when the first connecting part 211 is not installed, the second plate segment 2112 and the third plate segment 2113 are parallel. When the third plate segment 2113 is inserted into the first mounting hole 11, the third plate segment 2113 is bent by means of stamping or the like, so that the first mounting cover 13 is sandwiched between the first plate segment 2111 and the third plate segment 2113.

[0043] like Figures 8 to 10 As shown, in this embodiment, the heating plate body 10 includes a second mounting cover 14, and a second mounting hole 15 is provided on the heating plate body 10. The second mounting cover 14 is located at a portion of the second mounting hole 15. The connector 23 has a second connecting portion 231 on the side facing the heating plate body 10. A portion of the structure of the second connecting portion 231 is located above the second mounting cover 14 and connected to the second mounting cover 14. The above arrangement enables a high degree of connection stability between the connector 23 and the heating plate body 10.

[0044] In this embodiment, the second mounting cover 14 is provided over part of the second mounting hole 15 and is lower than the upper surface of the housing 12.

[0045] Specifically, the structure of the second connecting part 231 is the same as that of the first connecting part 211, that is, the second connecting part 231 can be clamped on the upper and lower sides of the second mounting cover 14.

[0046] It should be noted that the second support member 22 is provided with a third connecting part, the heating plate body is provided with a third mounting hole and a third mounting cover, the third mounting cover covers part of the third mounting hole, part of the structure of the third connecting part is inserted into the third mounting hole, and the third mounting cover is clamped by the third connecting part.

[0047] Specifically, such as Figure 3 As shown, in this embodiment, the housing 12 includes an upper housing and a lower housing, with the first mounting hole 11 and the second mounting hole 15 both located on the lower housing. The upper housing and the lower housing are fastened together. Multiple support structures 20 are located below the lower housing.

[0048] The upper and lower shells can be integrally cast or stamped. The first mounting cover 13 and the second mounting cover 14 are obtained by punching holes in the lower shell. This simplifies the machining of the first mounting cover 13 and the second mounting cover 14 and requires no additional materials, thus saving materials.

[0049] like Figure 10 As shown, in this embodiment, there is an angle between the width direction of the first connecting portion 211 and the width direction of the second connecting portion 231. This arrangement ensures structural stability. Specifically, since the first connecting portion 211 and the second connecting portion 231 are subjected to the same force, but their directions are different, the first connecting portion 211 and the second connecting portion 231 will not be damaged simultaneously when subjected to force, thus improving the overall structural stability.

[0050] like Figure 1 , Figure 2 as well as Figure 10 As shown, in this embodiment, the first support member 21 includes a first plate 212, a second plate 213, and a third plate 214, with the second plate 213 located between the first plate 212 and the third plate 214. This arrangement ensures good structural strength of the first support member 21, thereby guaranteeing its supporting effect.

[0051] Specifically, the first plate 212, the second plate 213, and the third plate 214 mentioned above can be combined into a U-shape, a Z-shape, an I-shape, or other shapes.

[0052] like Figure 1 , Figure 2 as well as Figure 10 As shown, in this embodiment, the first end of the first plate 212 faces the connector 23, the second end of the first plate 212 is connected to the first end of the second plate 213, the first end of the third plate 214 faces the connector 23, and the second end of the third plate 214 is connected to the second end of the second plate 213. This arrangement is relatively simple and ensures effective support. Specifically, in this embodiment, the first plate 212, the second plate 213, and the third plate 214 are combined to form a U-shape.

[0053] like Figure 1 , Figure 2 as well as Figure 10 As shown, in this embodiment, a first bending portion 2121 is provided on the first plate 212, and a second bending portion 2141 is provided on the third plate 214. The provision of the first bending portion 2121 and the second bending portion 2141 can increase the support area, thereby improving the stability of the support.

[0054] Specifically, the first bend 2121 protrudes toward the third plate 214, and the second bend 2141 protrudes toward the first plate 212.

[0055] In other embodiments, the first bend protrudes away from the third plate, and the second bend protrudes away from the first plate. Of course, the first bend can also be wavy, serrated, or other shapes that increase the contact area.

[0056] Furthermore, in an embodiment not shown in the figure, the first bending portion forms a first plate, that is, the entire first plate is a bent plate. Similarly, the second bending portion forms a third plate, and the entire third plate is a bent plate.

[0057] like Figure 1 , Figure 2 as well as Figure 10 As shown, in this embodiment, a first stop is provided on the first support member 21, a second stop is provided on the second support member 22, and the support plate 24 is located between the first stop and the second stop. Under the action of the first stop and the second stop, the support plate 24 can be prevented from rotating.

[0058] like Figure 3 As shown, in this embodiment, the heating plate body also includes an electric heating element, a first insulating mica sheet, and a second insulating mica sheet disposed inside the housing. The first insulating mica sheet and the second insulating mica sheet are respectively disposed on the upper and lower sides of the electric heating element.

[0059] like Figure 3 As shown, in this embodiment, the heating plate body further includes a heat insulation structure disposed inside the housing. The first insulating mica sheet is located above the electric heating element, the second insulating mica sheet is located below the electric heating element, and the heat insulation structure is located below the second insulating mica sheet. The heat insulation structure includes multiple heat insulation mica sheets, which are spaced apart circumferentially along the electric heating element.

[0060] like Figure 3 As shown, in this embodiment, the electric heating element includes a wound mica sheet and a heating wire disposed on the wound mica sheet.

[0061] According to a second aspect of this application, a pot cooker assembly is provided. The pot cooker assembly of this embodiment includes a heating plate structure, which is the heating plate structure described above. The support structure 20 of the heating plate structure is relatively easy to manufacture, and under the action of the support structure 20, the heating plate body 10 has good structural strength and is not easily deformed. Therefore, the pot cooker assembly having the heating plate structure described above also has the aforementioned advantages.

[0062] like Figure 1 and Figure 2 As shown, in this embodiment, the cooker body assembly further includes a support plate 24, which is connected to the connector 23. Both the first support end and the second support end abut against the support plate 24. The support plate 24 is connected to the connector, and its ends abut against both the first and second support ends, thus improving the positional stability of the support plate 24. Furthermore, the support plate 24 has elastic deformation characteristics; that is, when the heating plate body 10 is compressed, the pressure is transmitted to the support plate 24 through the first support member 21 and the second support member 22, causing the support plate 24 to undergo elastic deformation. When the heating plate body 10 stops being compressed, the support plate 24 can return to its original shape.

[0063] Specifically, the support plate 24 is a spring plate.

[0064] According to a third aspect of this application, a cooking appliance is provided, including a pot body assembly, which is the pot body assembly described above. The support structure 20 of the heating plate structure in the pot body assembly is relatively simple and easy to manufacture; therefore, the cooking appliance having the pot body assembly also has the aforementioned advantages.

[0065] In the description of this utility model, it should be understood that "multiple" means a quantity of two or more. Directional terms such as "front, back, up, down, left, right," "horizontal, vertical, perpendicular, horizontal," and "top, bottom" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are used solely for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner or outer contours relative to the outline of each component itself.

[0066] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0067] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0068] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A heating plate structure, characterized in that, include: Heating plate body (10); Multiple support structures (20) are spaced apart below the heating plate body (10). Each support structure (20) includes a first support member (21), a second support member (22), and a connector (23). The first support member (21) and the second support member (22) are spaced apart, and the connector (23) is located between the first support member (21) and the second support member (22). The first support member (21), the second support member (22), and the connector (23) are all riveted or welded to the heating plate body (10). The first support member (21) forms a first support end at the end away from the heating plate body (10), the second support member (22) forms a second support end at the end away from the heating plate body (10), and the connector (23) forms a connector end at the end away from the heating plate body (10).

2. The heating plate structure according to claim 1, characterized in that, The heating plate body (10) is provided with a first mounting hole (11), and the first support member (21) is provided with a first connecting part (211) on the side facing the heating plate body (10), and the first connecting part (211) is inserted into the first mounting hole (11).

3. The heating plate structure according to claim 2, characterized in that, The first connecting part (211) includes a first connecting plate, a portion of which is inserted into the interior of the first mounting hole (11) and connected to the heating plate body (10).

4. The heating plate structure according to claim 3, characterized in that, The heating plate body (10) includes a housing (12) and a first mounting cover (13). The first mounting hole (11) is disposed on the housing (12). The first mounting cover (13) is located at part of the first mounting hole (11). Part of the structure of the first connecting plate is located above the first mounting cover (13) and connected to the first mounting cover (13).

5. The heating plate structure according to claim 4, characterized in that, The first connecting plate includes a first plate segment (2111), a second plate segment (2112), and a third plate segment (2113). The second plate segment (2112) is connected between the first plate segment (2111) and the third plate segment (2113). There is a gap between the first plate segment (2111) and the third plate segment (2113). The first mounting cover (13) is sandwiched between the first plate segment (2111) and the third plate segment (2113).

6. The heating plate structure according to claim 4, characterized in that, The heating plate body (10) includes a second mounting cover (14), and a second mounting hole (15) is provided on the heating plate body (10). The second mounting cover (14) is located at part of the second mounting hole (15). The connector (23) is provided with a second connecting part (231) on the side facing the heating plate body (10). Part of the structure of the second connecting part (231) is located above the second mounting cover (14) and connected to the second mounting cover (14).

7. The heating plate structure according to claim 6, characterized in that, There is an angle between the width direction of the first connecting part (211) and the width direction of the second connecting part (231).

8. The heating plate structure according to any one of claims 1 to 7, characterized in that, The first support member (21) includes a first plate (212), a second plate (213) and a third plate (214), with the second plate (213) located between the first plate (212) and the third plate (214).

9. A cooking body assembly, comprising a heating plate structure, characterized in that, The heating plate structure is the heating plate structure according to any one of claims 1 to 8.

10. The pot body assembly according to claim 9, characterized in that, The pot body assembly also includes a support plate (24), which is connected to the connector (23), and the first support end and the second support end both abut against the support plate (24).

11. A cooking appliance, comprising a pot body assembly, characterized in that, The pot body assembly is the pot body assembly as described in claim 9 or 10.

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