handle

Abstract

To provide a steering wheel capable of arranging a controller with space saving.SOLUTION: A steering wheel 1 includes: a steering wheel body 2; a cover 4 covering at least a part of the back side of the steering wheel body 2; a retaining part 26 formed on the steering wheel body 2 oppositely to the cover 4; and a controller 23 of a functional component 21 mounted on the back side of the retaining component 26.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a steering wheel with a control device for functional components. [Background technology]

[0002] In the past, a sheet, which is a covering member with wiring that constitutes a heater, has been installed under the surface of the rim, which is the gripping part, of the steering wheel of an automobile. This steering wheel also has a heater control device, i.e., a thermocontroller, attached to it. The thermocontroller is located, for example, between the core metal of the spokes of the steering wheel body and the lower cover that covers the back side of the steering wheel body, and is held between ribs protruding from the lower cover (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2014-162330 A (page 6, Figure 7) Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, steering wheels for vehicles other than passenger cars, such as trucks, have also been required to be equipped with switches for operating navigation systems and other systems, or with heaters for warming the rim. In these types of vehicles, steering wheels are typically thinner than those for passenger cars in order to ensure sufficient interior space while maintaining a sufficient steering wheel rim diameter. This has resulted in a reduction in the amount of space available in passenger car steering wheels, making it difficult to secure installation space for wiring and control devices related to functional components. Furthermore, the installation of components must be performed without interfering with the function and behavior of surrounding structures, resulting in increased design man-hours and increased manufacturing costs.

[0005] The present invention has been made in consideration of the above points, and has an object to provide a handle in which a control device can be arranged in a space-saving manner. [Means for solving the problem]

[0006] The handle according to claim 1 comprises: Has a core The handle comprises a handle body, a cover that covers at least a part of the rear side of the handle body, a holding portion formed on the handle body opposite the cover, and a control device for functional components attached to the rear side of the holding portion. The core metal includes a plurality of spoke core metal portions, and at least one of the spoke core metal portions has a pair of legs spaced apart from each other, and the holding portion is located between the pair of legs and spaced apart from the pair of legs, and is independent of the spoke core metal portions. It is something.

[0007] The handle described in claim 2 is the handle described in claim 1, which is provided with a support portion formed on the cover with at least a portion facing the holding portion, and the control device is supported by the support portion while attached to the holding portion.

[0008] The handle according to claim 3 is the handle according to claim 2, wherein the support portion is formed in a rib shape.

[0009] The handle of claim 4 is the handle of any one of claims 1 to 3, wherein the holding portion is formed so as to protrude in a direction intersecting the direction in which the handle body and the cover face each other.

[0010] The steering wheel according to claim 5 is the steering wheel according to claim 4, wherein the steering body has a core metal, the core metal has a boss core metal portion connected to the steering shaft, and the holding portion is provided to protrude from the boss core metal portion. 。 [Effects of the Invention]

[0011] According to the handle of claim 1, The space formed between the pair of legs is effectively utilized without restricting the layout range of the spoke core, and the holding part is arranged independently from the spoke core, thereby achieving the desired performance without sacrificing the handlebars' performance. The control device can be placed in a space-saving manner.

[0012] According to the handle of claim 2, in addition to the effect of the handle of claim 1, the control device can be sandwiched between the holding portion and the support portion to stably hold the control device, preventing the control device from shifting position relative to the holding portion.

[0013] According to the handle of claim 3, in addition to the effect of the handle of claim 2, a space can be formed behind the control device, making it easier to release heat generated from the control device.

[0014] According to the handle of claim 4, in addition to the effect of the handle of any one of claims 1 to 3, the holding portion can be formed without expanding the handle in the direction in which the handle body and the cover face each other.

[0015] According to the handle of claim 5, in addition to the effect of the handle of claim 4, the space on the side of the core metal part of the boss part is effectively used, and the strength of the core metal makes it possible to stably hold the control device in the holding part. 。 [Brief explanation of the drawings]

[0016] [Figure 1] 4(a) is a cross-sectional view of the handle of the first embodiment of the present invention taken along the line II in FIG. 3, and FIG. 4(b) is an enlarged cross-sectional view of a part of FIG. [Figure 2] FIG. 2 is a perspective view showing a part of the handle from the rear side. [Figure 3] FIG. [Figure 4] FIG. 2(a) is a front view showing the handle, and FIG. 2(b) is a perspective view showing the handle from the rear side. [Figure 5] FIG. 10 is a front view showing a part of a cover of a steering wheel according to a second embodiment of the present invention. [Figure 6] FIG. 10 is a cross-sectional view showing a part of a handle according to a third embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0017] A first embodiment of the present invention will be described below with reference to the drawings.

[0018] In FIGS. 4(a) and 4(b), reference numeral 1 denotes a steering wheel, which is a steering wheel for a vehicle. The steering wheel 1 of this embodiment is used, for example, in medium- to large-sized vehicles other than passenger cars, such as trucks and buses. The steering wheel 1 includes a steering wheel body 2, which is the steering wheel itself. A module 3, such as an airbag device constituting a supplemental restraint system (SRS) that restrains and protects the occupant, is attached to the occupant's side of the steering wheel body 2, and a cover 4 is attached to the rear side of the steering wheel body 2, thereby forming the steering wheel 1. In this embodiment, an operated unit 5, such as a switch for operating a navigation system, is attached to the side of the module 3. The steering wheel 1 is typically mounted on a steering shaft provided in the vehicle at a predetermined angle of approximately 30° to 60° with respect to the horizontal plane. In the following description, the occupant's side, i.e., the front side, is referred to as the upper side (arrow U direction), and the opposite rear side, i.e., the lower side (arrow D direction). Furthermore, the front, rear, left and right directions will be described based on the viewpoint of a passenger seated in a seat.

[0019] The steering wheel main body 2 is composed of a boss portion 6 connected to the steering shaft, multiple spoke portions (arm portions) 7 (two left and right in this embodiment) connected to the boss portion 6, and a rim portion (ring portion) 8 serving as an arc-shaped or annular grip portion connected to the spoke portions 7. In other words, the steering wheel main body 2 is composed of the rim portion 8 and the boss portion 6 located inside the rim portion 8 connected by the spoke portions 7. The back sides of the area from the boss portion 6 to the spoke portions 7 are covered by a cover 4.

[0020] The main body of the boss portion 6, the spoke portions 7, and the rim portion 8 are each formed from a metal core 10. That is, the steering wheel body 2 has the core 10, and the core 10 has a boss portion core 11 that forms the boss portion 6, a spoke portion core 12 that forms the spoke portion 7, and a rim portion core 13 that forms the rim portion 8. The core 10 has an arc-shaped or annular rim portion core 13 that surrounds at least a portion of the boss portion core 11 that is connected to the steering shaft, and the boss portion core 11 and the rim portion core 13 are integrally connected by the spoke portion core 12.

[0021] As shown in Figures 3, 4(a) and 4(b), the boss core portion 11, which forms at least a part of the boss portion 6, is configured by integrally fixing a boss plate 16, which forms a core body that holds the module 3, to a cylindrical boss 15 having a serration structure that meshes with the steering shaft.

[0022] The spoke core metal portions 12 are integrally connected to the boss plate 16. Here, for the spoke portions 7 including the spoke core metal portions 12, in the case of a steering wheel 1 having a large diameter dimension (radius of curvature) of the rim portion 8, such as a steering wheel 1 for a medium- to large-sized vehicle, a high moment of inertia is required and the weight around the rim portion 8 is also heavy, so high durability is required. On the other hand, in the case of a steering wheel 1 having a large diameter dimension (radius of curvature) of the rim portion 8, the thickness is formed thinner than that of a steering wheel for a passenger car in order to ensure interior space. Therefore, when arranging an operated portion 5 at a position of the spoke portion 7 so that it can be operated by the hand of an occupant gripping the rim portion 8, it is difficult to achieve a layout in which the spoke core metal portions 12 pass under the operated portion 5. Furthermore, in the case of a steering wheel 1 for a medium- to large-sized vehicle, the module 3 is relatively large compared to a steering wheel for a passenger car, so the space for accommodating the operated portion 5 and its wiring is limited. Moreover, the width and thickness of the spokes 7 on which the operated part 5 is disposed cannot be excessively increased from the viewpoint of the operability (inside operation) of the steering wheel 1 or the design. Furthermore, for medium- to large-sized vehicles in which the steering wheel 1 is angled, it is difficult to make the cover 4 covering the back of the spokes 7 excessively large so as not to interfere with the occupant, and the space between the spoke core 12 and the cover 4 is not sufficient. Therefore, the spoke core 12 of this embodiment is configured so that a pair of legs 18 are set to sandwich the operated part 5 therebetween, thereby ensuring the strength of the spoke core 12 (spoke 7) while ensuring space for arranging the operated part 5. That is, the operated part 5 is disposed between the pair of legs 18. The pair of legs 18 are disposed apart from each other. It is preferable that the legs 18 be disposed as far apart as possible from each other in terms of durability of the spoke core 12 (spoke 7). In this embodiment, the leg portion 18 is formed in an elongated shape and extends from the boss core portion 11 to the rim core portion 13 .Since the spoke core 12 is configured by a pair of legs 18 spaced apart from each other, the fixing portion (hook fixing portion) of the cover 4 to the core 10 is set between these legs 18.

[0023] A rim core 13 is integrally connected to the end of the spoke core 12 (leg portion 18) opposite to the boss core 11. In the case of a steering wheel 1 for a medium to large vehicle, the rim 8 equipped with the rim core 13 has a diameter of, for example, 380 mm or more (radius of curvature 760 mm or more). As shown in FIG. 1(a), a coating layer 20 is formed on the rim 8, covering the rim core 13. The coating layer 20 is made of a synthetic resin such as urethane foam. Preferably, the coating layer 20 covers not only the rim core 13 but also the connecting portion between the rim core 13 and the spoke cores 12. A functional component 21 is arranged covering the coating layer 20 or embedded in the coating layer 20.

[0024] The functional component 21 is an electronic component formed in a sheet shape, and in this embodiment, for example, is a wiring mat. The wiring mat constitutes a heater unit that adjusts the temperature of the rim portion 8 and / or a sensor (HOD), such as a capacitance sensor or pressure sensor, that detects whether the rim portion 8 is being gripped by an occupant. The functional component 21 is electrically connected to the control device 23 via wiring 22. The wiring 22 is arranged to start from the connection point between the rim portion 8 and the spoke portion 7, extend below the spoke portion 7, and toward the boss core portion 11. In other words, the functional component 21 located on the rim portion 8 side and the control device 23 located on the boss portion 6 side are electrically connected via the spoke portion 7. The control device 23 is used to control the functional component 21. The control device 23 constitutes, for example, a thermostat. The control device 23 is formed in a block shape using, for example, synthetic resin. As an example, the control device 23 is formed to have a thickness of approximately 8 mm. In this embodiment, the control device 23 is formed in a rectangular parallelepiped shape that is flat in the thickness direction. The control device 23 is electrically connected to a power supply unit or the like arranged on the vehicle body side. In this embodiment, the surface of the covering layer 20 is covered with a skin 24, and the skin 24 forms the surface of the rim portion 8, but this skin 24 is not an essential component.

[0025] The control device 23 is held in a space in the steering wheel body 2 where it does not interfere with other components. As described above, steering wheels 1 for medium- to large-sized vehicles, in particular, are formed shallower than steering wheels for passenger cars, making it difficult to provide sufficient space below the spokes 7. Furthermore, because two spokes 7 are the mainstream design, it is also difficult to provide space for placement at the 6 o'clock position of an analog clock when viewed from the front of the steering wheel 1. Therefore, as shown in FIGS. 1(a) and 1(b), in this embodiment, the control device 23 is held on the lower side, i.e., behind the retaining portion 26 formed on the boss core metal portion 11. In the illustrated example, the control device 23 is fixed and held behind, i.e., below, the retaining portion 26 formed on the boss plate 16 in the thickness direction.

[0026] The retaining portion 26 is formed as a segment protruding from one side of the boss core metal portion 11 so as to face the cover 4. That is, the retaining portion 26 protrudes in a direction intersecting the up-down direction, which is the direction in which the boss core metal portion 11 and the cover 4 face each other, that is, in the left-right direction in this embodiment. In the illustrated example, the retaining portion 26 is formed in a direction perpendicular to the up-down direction. That is, the retaining portion 26 is disposed parallel or approximately parallel to the plane formed by the rim portion 8 or the boss core metal portion 11 of the steering wheel 1. The retaining portion 26 is also formed in a stepped or staircase-like shape that protrudes from the boss plate 16 toward the front side, i.e., upward. That is, the retaining portion 26 is located above the boss plate 16, closer to the occupant, relative to the cover 4. Therefore, an accommodation space 28 for accommodating the control device 23 is formed between the retaining portion 26 and the cover 4 in the up-down and left-right directions. In the accommodation space 28, the control device 23 is accommodated within the height H of the step of the retaining portion 26 relative to the boss plate 16. Furthermore, the holding portion 26 is formed in a longitudinal shape along one side of the boss core metal portion 11 .

[0027] 2 and 3, the retaining portion 26 is formed independently of the spoke core metal portion 12. In this embodiment, the retaining portion 26 is located between the pair of legs 18 of the spoke core metal portion 12. In the illustrated example, the retaining portion 26 is disposed in the small space formed between the pair of legs 18 and the boss core metal portion 11 and the operated portion 5. The retaining portion 26 is also set at a position that avoids the fixing portion of the cover 4 to the core metal 10 located between the pair of legs 18. Preferably, the retaining portion 26 is located in an area that does not interfere with the attachment of the module 3 (FIG. 4) to the boss core metal portion 11 or with the movement of the module 3 (FIG. 4) during operation, which functions as a horn pad for operating the horn device.

[0028] As shown in FIGS. 1(a) and 1(b), in this embodiment, the control device 23 is fixed to the holding portion 26 by a fixing member 30. As an example, the fixing member 30 is an attachment member such as an adhesive tape that attaches the control device 23 to the holding portion 26. The fixing member 30 fixes the control device 23 to the holding portion 26, i.e., the boss portion core portion 11 (core 10), while keeping the control device 23 insulated from the holding portion 26. Preferably, the fixing member 30 is interposed between the holding portion 26 and a covering 31 that encases the control device 23. The covering 31 is, for example, a nonwoven fabric.

[0029] Preferably, the control device 23 is supported by a cover 4. The cover 4 is also called a back cover, a lower cover, or a body cover. The cover 4 is made of a synthetic resin or the like. As shown in FIG. 4(b), the cover 4 integrally includes a cover main body 34 that covers the underside of the boss 6 (boss core 11), and an extension 35 that extends from the cover main body 34 and covers the underside of a portion of the spoke 7 (spoke core 12 (FIG. 2)).

[0030] The cover main body 34 is integrally provided with a bottom plate 37, which is a flat plate facing the underside of the boss 6 (boss core metal portion 11), and a side plate 38 rising from the outer edge of the bottom plate 37, and is formed into a bottomed cylindrical shape with an open front side. The bottom plate 37 is formed in a flat plate shape. The bottom plate 37 has an outer shape slightly larger than the outer shape of the boss core metal portion 11. An opening 39 is formed in the bottom plate 37. The opening 39 is located in the center of the bottom plate 37. A portion of the boss plate 16 of the boss core metal portion 11 is exposed through the opening 39, and the boss 15 protrudes below the cover 4. The side plate 38 faces the outer edge of the boss core metal portion 11.

[0031] The extension portions 35 are formed continuous with the side plate portions 38. In this embodiment, the extension portions 35 are provided to protrude from both the left and right side portions of the side plate portions 38. The extension portions 35 are integrally provided with an extension bottom plate portion 41, which is a flat plate portion facing the underside of the spoke portion 7 (spoke portion core portion 12 (FIG. 2)), and an extension side plate portion 42 rising from the outer edge portion of the extension bottom plate portion 41, and are formed with an opening on the front side.

[0032] As shown in FIGS. 1(a) and 1(b), in the cover 4, a support portion 44 for supporting the control device 23 is formed on the bottom plate portion 37 of the cover main body portion 34 and / or the extended bottom plate portion 41 of the extension portion 35. The support portion 44 is formed so that at least a portion thereof faces the holding portion 26 formed on the rim core metal portion 13. The support portion 44 supports the control device 23 held by the holding portion 26 from below. In this embodiment, the support portion 44 is formed in a rib shape. In the illustrated example, the support portion 44 is rib-shaped and protrudes from the bottom plate portion 37 of the cover main body portion 34 and the extended bottom plate portion 41 of the extension portion 35. The support portion 44 is formed to extend in a direction perpendicular to the plane of the paper on which FIGS. 1(a) and 1(b) are drawn. A plurality of support portions 44 are formed, and are positioned apart in the left-right direction.

[0033] When manufacturing the steering wheel 1, the pre-formed core metal 10 is set in a mold, the covering layer 20 is formed to cover the rim core metal portion 13, and the functional parts 21 are wound around the formed covering layer 20. The functional parts 21 may be set in the mold and embedded in the covering layer 20 when the covering layer 20 is formed.

[0034] Next, the control device 23, which is electrically connected to the functional parts 21 via wiring 22, is wrapped in the covering 31 and attached and fixed to the back side of the holding part 26 of the core 10 with the fixing member 30. At this point, the incorporation (sub-assembly) of mechanisms such as a temperature control mechanism and a sensor mechanism, which are made up of the functional parts 21 and the control device 23, is completed. For the rim part 8, a skin 24 is attached, covering the covering layer 20 and the functional parts 21 as necessary. This completes the steering wheel body 2.

[0035] Then, the operated unit 5 and the module 3 are attached to the front side of the steering wheel main body 2, and if necessary, a decorative body (finisher) is attached, and the cover 4 is attached to the rear side, thereby completing the steering wheel 1. At this time, the tip of the support part 44 of the cover 4, which faces the control device 23 located behind the holding part 26 at a position separated below the holding part 26, comes into contact with the control device 23, which is located behind the holding part 26, so that the control device 23 is sandwiched between the holding part 26 and the support part 44 and firmly fixed.

[0036] In this way, by attaching and holding the control device 23 behind the holding portion 26 formed on the steering wheel body 2 opposite the cover 4, it is possible to arrange the control device 23 in a space-saving manner without unnecessarily expanding the design of the steering wheel 1. Therefore, even for steering wheels 1 for medium to large vehicles where it is difficult to secure sufficient installation space and there are significant layout restrictions, the space can be effectively utilized without setting additional parts such as brackets, and the control device 23 can be arranged without unnecessarily expanding the design or increasing costs.

[0037] Furthermore, by supporting the control device 23 in a state where it is attached to the holding part 26 using the support part 44 formed on the cover 4 with at least a portion facing the holding part 26, the control device 23 is sandwiched between the holding part 26 and the support part 44, and the control device 23 is stably held, preventing the control device 23 from shifting position or peeling off from the holding part 26. Therefore, it is possible to prevent the generation of low-pitched noise that occurs when the control device 23 comes off the holding part 26 and hits the holding part 26 due to vehicle vibrations or the like, and since the attached state of the control device 23 is stable, for example, in the case where the control device 23 has a thermostat function, it is possible to suppress variations in temperature sensitivity and the effects thereof.

[0038] By forming the support portion 44 in a rib shape, the control device 23 is spaced upward relative to flat plate portions such as the bottom plate portion 37 and the extended bottom plate portion 41 of the cover 4, forming a space below and behind the control device 23, making it easier to release heat generated by the control device 23. Therefore, it is possible to efficiently hold the control device 23 and dissipate heat at the same time.

[0039] By forming the holding portion 26 so that it protrudes in a direction that intersects with the vertical direction in which the steering wheel body 2 and the cover 4 face each other, the holding portion 26 can be formed without expanding the steering wheel 1 in the vertical direction.

[0040] By providing a holding portion 26 protruding from the boss core portion 11 of the core 10 of the steering wheel body 2, the space on the side of the boss core portion 11 can be effectively utilized, and the control device 23 can be stably held in the holding portion 26 due to the strength of the core 10.

[0041] In particular, when the control device 23 is a block body formed from synthetic resin, even if an attempt is made to attach the control device 23 to the cover 4, the control device 23 does not follow the shape of the cover 4, which places significant restrictions on the attachment position and leads to changes or enlargements in the design. However, by attaching the control device 23 to the retaining portion 26 formed on the boss portion core wire portion 11 of the core wire 10, the control device 23 can be stably attached without the need for changes or enlargements in the design.

[0042] Moreover, the incorporation of the mechanism consisting of the functional parts 21 and the control device 23 is completed when the control device 23 is attached to the holding part 26, so even in vehicles with limited space, there is no need to perform any more wiring work than necessary when the steering wheel 1 with the cover 4 attached is in its completed state, thereby reducing manufacturing costs.

[0043] By arranging the retaining portion 26 between a pair of legs 18 positioned apart from each other of the spoke core metal portions 12 of the core metal 10, it is possible to effectively utilize the space formed between the pair of legs 18 without restricting the layout range of the spoke core metal portions 12 (spoke portions 7), while also allowing the retaining portion 26 to be arranged independently from the spoke core metal portions 12, and the control device 23 to be arranged without sacrificing the performance of the steering wheel 1. Therefore, for example, in a configuration in which the deformation of the core metal 10 is used to mitigate impact during a collision, the control device 23 held by the retaining portion 26 does not interfere with the deformation of the spoke core metal portions 12 or the like, and does not impede the bending performance of the spoke core metal portions 12, making it possible to exhibit performance as designed, and the arrangement of the control device 23 does not interfere with the installation of the module 3 or the operation of the horn of the module 3.

[0044] In particular, when the operated part 5 is set on the spoke part 7, the small space formed between the operated part 5 and the boss part core metal part 11 between a pair of legs 18 set to avoid the operated part 5 can be effectively utilized to set the holding part 26 and arrange the control device 23.

[0045] Furthermore, since the mechanism consisting of the functional parts 21 and the control device 23 can be arranged in a straight line from the rim part 8 through the spoke part 7 to the boss part 6, there is no need to make a large detour to an empty space, for example, and the expansion of the functional parts 21 and the mechanism can be suppressed, preventing an increase in costs.

[0046] In the first embodiment described above, if the shape of the support portion 44 is restricted by the mold structure used when molding the cover 4, the orientation of the shape of the support portion 44 may be changed as appropriate. For example, as in the second embodiment shown in Fig. 5, the support portion 44 may be ribbed and extend in the left-right direction, and the number of ribs may be set as desired.

[0047] Furthermore, if it is not possible to form the retaining portion 26 parallel or approximately parallel to the plane formed by the rim portion 8 or boss core portion 11 of the steering wheel 1, it may be formed so as to be inclined upward toward the tip, as in the third embodiment shown in Figure 6. In this case, by appropriately setting the position and shape of the support portion 44 according to the inclination of the retaining portion 26, it is possible to achieve the same effects as those of the above-mentioned embodiments.

[0048] Furthermore, in each of the above-described embodiments, the number of spokes 7 is not limited to two, and the same application is possible even if the number is three or more.

[0049] Furthermore, although the steering wheel 1 for a medium to large vehicle has been used as an example, by configuring the steering wheel 1 for other vehicles in a similar manner, the control device 23 can be arranged in a space-saving manner, and the control device 23 is less likely to obstruct the space for arranging other parts, etc., without unnecessarily expanding the design of the steering wheel 1. [Industrial Applicability]

[0050] The present invention can be suitably used as, for example, a steering wheel for an automobile. [Explanation of symbols]

[0051] 1. Steering wheel 2. The steering wheel itself 4 Cover 10 Core 11 Boss core metal part 12 Spoke core Department 18 Legs 21 Functional parts 23 Control device 26 Holding part 44 Support part

Claims

1. A handle body having a core metal; a cover that covers at least a portion of the rear side of the handle body; a holding portion formed on the handle body opposite the cover; a control device for a functional component attached to the rear side of the holding portion, the core metal includes a plurality of spoke core metal portions, At least one of the spoke cores has a pair of legs spaced apart from each other, The holding portion is located between the pair of legs and spaced apart from the pair of legs, and is independent from the spoke core portion. A handle characterized by:

2. a support portion formed on the cover, at least a portion of which faces the holding portion; The control device is supported by the support portion while being attached to the holding portion.

2. The handle of claim 1.

3. The support portion is formed in a rib shape.

3. The handle of claim 2.

4. The holding portion is formed so as to protrude in a direction intersecting the direction in which the handle body and the cover face each other.

4. A handle according to claim 1, wherein the handle is a rotatable member.

5. The core metal has a boss core metal portion connected to the steering shaft, The holding portion is provided to protrude from the core metal portion of the boss portion.

5. The handle of claim 4.

Images