JP6976900B2 - An assembly including a terminal and a member to which the terminal is temporarily fixed, and a method for manufacturing the assembly. - Google Patents

Description

The present invention relates to an assembly including a terminal and a member to which the terminal is temporarily fixed, and a method for manufacturing the assembly.

For joint tightening with bolts, the structure is such that the terminal with bolt holes and the bracket with the terminal installation part with bolt holes are temporarily fixed, and the movement of the terminal is restricted so that the terminal does not fall off from the terminal installation part. There is known one provided with a band for preventing falling off (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2012-169135

In the above structure, since a band for preventing the terminal from falling off is added to prevent the terminal from falling off, there is a problem that the number of parts increases and the structure becomes complicated.

The problem to be solved by the present invention is an assembly including a terminal and a member to which the terminal is temporarily fixed, and an assembly capable of reliably holding the terminal and simplifying the structure, and an assembly. , To provide a method of manufacturing the assembly.

[1] The assembly according to the present invention is an assembly including a terminal having a first bolt insertion hole, a member having a second bolt insertion hole, and the terminal being temporarily fixed. The terminal includes a main body portion in which the first bolt insertion hole is formed and a claw portion bent from the tip of the main body portion, and the member includes a holding hole for holding the terminal in the claw portion. The holding hole includes a groove that constrains the terminal held in the holding hole in a direction substantially orthogonal to the plane direction of the terminal, and the holding hole has an arc portion that allows rotation of the claw portion. , A part of the main body portion that is located on the terminal side of the arc portion and includes a recess in which the claw portion is locked and restrains the claw portion in the plane direction, and is rotated around the claw portion. Is an assembly that has entered the groove, and the first bolt insertion hole and the second bolt insertion hole overlap each other with the terminal held in the holding hole.

[2] In the above invention, the holding hole communicates with the arc portion and includes a slit in which the claw portion is slidable, and the member may include a pair of pieces defining the holding hole including the slit. good.

[3] In the above invention, the groove may have a bottom surface having a shape along the shape of the side surface of the main body portion.

[4] In the above invention, the length from the front end to the rear end of the main body may be longer than the width of the main body.

[5] The method for manufacturing an assembly according to the present invention is an assembly including a terminal having a first bolt insertion hole, a member having a second bolt insertion hole and the terminal being temporarily fixed. The terminal includes a main body portion in which the first bolt insertion hole is formed and a claw portion bent from the tip of the main body portion, and the member includes the terminal with the claw portion. The method for manufacturing the assembly includes the holding hole held by the holding hole and the groove for restraining the terminal held in the holding hole in a direction substantially orthogonal to the plane direction of the terminal. The first step of inserting the portion into the arc portion of the holding hole, the second step of rotating the claw portion along the arc portion and inserting a part of the main body portion into the groove, and the above. It is a method of manufacturing an assembly including the third step of locking the claw portion in the recess of the holding hole and superimposing the first bolt insertion hole and the second bolt insertion hole.

[6] In the above invention, the holding hole includes a slit communicating with the arc portion, the member includes a pair of pieces defining the holding hole including the slit, and the first step is The second step comprises inserting the claw into the arc by sliding the claw along the slit, and the second step involves sliding the pair of pieces along with the rotation of the claw. It may include elastically deforming at least one of the pieces so as to separate from each other.

[7] In the above invention, the groove may have a bottom surface having a shape that follows the shape of the side surface of the main body portion.

[8] In the above invention, the length from the front end to the rear end of the main body may be longer than the width of the main body.

According to the present invention, the terminal has a claw portion, the member includes a holding hole having a recess for restraining the claw portion in a plane direction, and the member further comprises a terminal held in the holding hole. It contains a groove that constrains in a direction substantially orthogonal to the plane direction. Therefore, it is possible to simplify the structure while reliably holding the terminals without adding new parts for temporarily fixing the terminals.

FIG. 1 is a front view showing a wire harness according to an embodiment of the present invention. FIG. 2 is a perspective view of the terminal mounting portion of the wire harness shown in FIG. 1 as viewed from the front, and is an enlarged view of the portion II of FIG. FIG. 3 is an enlarged perspective view of the terminal mounting portion of the wire harness shown in FIG. 1 as viewed from the back surface. FIG. 4 is a cross-sectional view showing a process of attaching a wire harness to a panel of a vehicle body according to an embodiment of the present invention. FIG. 5 is a perspective view showing terminals and electric wires according to the embodiment of the present invention. FIG. 6 is a front view showing a connector holder according to an embodiment of the present invention. FIG. 7 is a perspective view showing a connector holder according to an embodiment of the present invention. FIG. 8 is an enlarged perspective view of part VIII of FIG. FIG. 9 is an enlarged view of the IX portion of FIG. FIG. 10 is a cross-sectional view taken along the line X-X of FIG. FIG. 11 is a front view showing a first stage of the manufacturing method according to the embodiment of the present invention. 12 (a) and 12 (b) are front views and rear views showing the second and third stages of the manufacturing method according to the embodiment of the present invention. FIG. 13 is an enlarged view of the XIII portion of FIG. 12 (b).

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a front view showing a wire harness in the present embodiment, FIGS. 2 and 3 are perspective views of the terminal mounting portion of the wire harness as viewed from the front and the back, and FIG. 4 is a process of mounting the wire harness on a vehicle body panel. It is sectional drawing which shows. Note that FIGS. 2 and 3 do not show the collar 48 mounted in the mounting hole 431 of the connector holder 40.

As shown in FIGS. 1 to 3, the wire harness 1 in the present embodiment holds the terminal 10 to which the electric wire 20 is connected, the connector 30 attached to the end of the plurality of electric wires 35, and the connector 30. It also includes a connector holder 40 to which the terminal 10 is temporarily fixed. The wire harness 1 in the present embodiment is used for a vehicle such as an automobile, but the use of the wire harness 1 is not particularly limited.

In the present embodiment, the terminal 10 is temporarily fixed to the connector holder 40, in other words, the terminal 10 is temporarily held to the connector holder 40. In this state, in the front view shown in FIG. 1, the first bolt insertion hole 111 of the terminal 10 and the second bolt insertion hole 481 of the collar 48 mounted in the mounting hole 431 of the connector holder 40 are mutual to each other. It overlaps with. Then, when the wire harness 1 is attached to the vehicle, as shown in FIG. 4, the bolt 50 is attached to the nut portion 61 of the panel 60 of the vehicle body via the first and second bolt insertion holes 111 and 481. By fastening, the terminal 10 and the connector holder 40 are fastened together with the attachment of the connector holder 40 to the panel 60. As a result, the electric wire 20 connected to the terminal 10 is grounded. The connector holder 40 of the present embodiment has a mounting hole 431 for mounting another terminal (not shown) in the vicinity of the mounting hole 431 to which the terminal 10 is mounted.

The wire harness 1 in the present embodiment corresponds to an example of an assembly in the present invention, the terminal 10 in the present embodiment corresponds to an example of a terminal in the present invention, and the connector holder 40 in the present invention is an example of a member in the present invention. Corresponds to. The member to which the terminal 10 is temporarily fixed is not limited to the connector holder 40, and the terminal 10 may be temporarily fixed to, for example, a protector that protects the electric wire.

FIG. 5 is a perspective view showing terminals and electric wires in the present embodiment.

The terminal 10 is a terminal made of a conductive material such as a metal material, and as shown in FIG. 5, the main body portion 11, the claw portion 12, the conductor barrel 13, and the insulation barrel 14 are provided. I have. The main body portion in the present embodiment corresponds to an example of the main body portion in the present invention, and the claw portion in the present embodiment corresponds to an example of the claw portion in the present invention.

The main body 11 is formed with a first bolt insertion hole 111 into which the above-mentioned bolt 50 is inserted. _{The length (length in front view) L t} from the tip end to the rear end of the main body portion 11 is longer than _{the width W t} of the main body portion 11 _{(L t} > W _t ). The first bolt insertion hole 111 in the present embodiment corresponds to an example of the first bolt insertion hole in the present invention.

The claw portion 12 is bent from the tip of the main body portion 11. Although not particularly limited, in the present embodiment, the claw portion 12 is bent in a direction substantially orthogonal to the plane direction (XY plane direction in the figure) of the main body portion 11 (Z direction in the figure). As will be described in detail later, in the present embodiment, the claw portion 12 is inserted into the terminal holding hole 46 of the connector holder 40 and engaged with the recesses 463a and 463b, so that the terminal 10 is held by the connector holder 40. ..

The conductor barrel 13 and the insulation barrel 14 are provided at the rear end of the main body 11. In the electric wire 20, the insulating layer 22 is peeled off at the terminal thereof, and the central conductor 21 is exposed. The electric wire 20 and the terminal 10 are electrically connected by crimping the conductor barrel piece 13 to the central conductor 21. Further, the insulation barrel 14 is crimped to the portion covered with the insulating layer 22 to secure the mechanical strength of the connection portion between the electric wire 20 and the terminal 10.

6 and 7 are a front view and a perspective view showing the connector holder in the present embodiment, FIG. 8 is an enlarged perspective view of part VIII of FIG. 6, FIG. 9 is an enlarged view of part IX of FIG. 6, and FIG. 10 is FIG. It is a cross-sectional view along the XX line of. Note that the color 48 is not shown in FIG.

As shown in FIGS. 6 to 8, the connector holder 40 includes a holder main body 41, a flange 42, and a collar 48. The holder body 41 and the flange 42 are, for example, molded products made of a resin material, and are integrally formed and have electrical insulation. The holder body 41 has a connector holding hole 411 having a rectangular opening. The connector 30 is inserted into and held in the connector holding hole 411, and the electric wire 35 is led out downward from the connector 30 (see FIG. 1).

The flange 42 projects laterally from the holder body 41. The flange 42 includes a main body portion 43 in which a mounting hole 431 is formed, and a protruding piece 47 extending in parallel with the main body portion 43. A collar 48 is inserted and held in the mounting hole 431. The collar 48 is made of a metal material and has conductivity. The collar 48 has a second bolt insertion hole 481 into which the bolt 50 described above is inserted. The second bolt insertion hole 481 in the present embodiment corresponds to an example of the second bolt insertion hole in the present invention.

In the present embodiment, a pair of pieces 44, 45 are provided at the upper end of the main body 43 of the flange 42, and the pair of pieces 44, 45 defines a terminal holding hole 46 for holding the above-mentioned claw portion 12. ing. As shown in FIG. 9, the inner edge of the terminal holding hole 46 is supported by a pair of arc portions 461a, 461b, a pair of convex portions 462a, 462b, a pair of concave portions 463a, 463b, and a first slit 464. A portion 465 and an inclined portion 466 are included.

The pair of pieces 44, 45 in the present embodiment corresponds to an example of the pair of pieces in the present invention, and the terminal holding hole 46 in the present embodiment corresponds to an example of the holding hole in the present invention. Further, the arcuate portions 461a and 461b in the present embodiment correspond to an example of the arcuate portion in the present invention, and the concave portions 463a and 463b in the present embodiment correspond to an example of the concave portion in the present invention.

The first arc portion 461a and the second arc portion 461b rotate the claw portion 12 when the claw portion 12 is inserted into the terminal holding hole 46 (see FIGS. 12 (a) and 12 (b) described later). ) Is formed. The pair of arc portions 461a and 461b face each other. On the other hand, the first recess 463a and the second recess 463b sandwich the claw portion 12 and restrain the terminal 10 in the plane direction (XY plane direction in the drawing). The pair of recesses 463a and 463b also face each other, and the distance L _{h between the bottom surfaces 463c and 463d is slightly larger than the width W c} (see FIG. 5) of the claw portion 12 _{(L h).} > W _c ).

The first concave portion 463a is connected to the first arc portion 461a via the first convex portion 462a, and is connected to the first arc portion 461a in the rotational direction of the claw portion 12 (θ in FIGS. 12 (a) and 12 (b) described later). It is located on the terminal side of the first arc portion 461a in the direction (clockwise direction in FIG. 12 (a), counterclockwise direction in FIG. 12 (b)). The first arc portion 461a is recessed in a curved shape toward the outside of the terminal holding hole 46. The first recess 463a is also recessed toward the outside of the terminal holding hole 46. _{The distance W h} between the parallel surfaces 463e and 463f facing each other of the first recess 463a _{is slightly larger than the thickness t c} (see FIG. 5) of the claw portion 12 _{(W t} > t _c ). On the other hand, the first convex portion 462a located between the first arc portion 461a and the first concave portion 463a projects angularly toward the inside of the terminal holding hole 46.

The second concave portion 463b is also connected to the second arc portion 461b via the second convex portion 462b, and is connected to the second arc portion 461b in the rotational direction of the claw portion 12 (θ in FIGS. 12 (a) and 12 (b) described later). In the direction), it is located on the terminal side of the second arc portion 461b. The second arc portion 461b is recessed in a curved shape toward the outside of the terminal holding hole 46. The second recess 463b is also recessed toward the outside of the terminal holding hole 46. _{The distance W h} between the parallel surfaces 463 g and 463 _{h facing each other of the second recess 463 b} is slightly larger than the thickness t c (see FIG. 5) of the claw portion 12 _{(W h} > t _c ). On the other hand, the second convex portion 462b located between the second arc portion 461b and the second concave portion 463b projects angularly toward the inside of the terminal holding hole 46.

The first slit 464 is formed so as to extend from the first recess 463a. The first slit 464 makes it easy for the first piece 44 to be elastically deformed, and makes it easy for the first piece 44 to separate from the second piece 45.

The support portion 465 and the inclined portion 466 are located between the first recess 463a and the second arc portion 461b. The support portion 465 supports the claw portion 12 when the claw portion 12 is engaged with the first and second recesses 463a and 463b. Further, the inclined portion 466 allows the claw portion 12 to slide (press against the first piece 44) when the claw portion 12 gets over the first and second convex portions 462b and 462b.

Further, the inner edge of the terminal holding hole 46 in the present embodiment has a second slit 467. The inner end portion 467a of the second slit 467 is connected to the start point of the first arc portion 461a. On the other hand, the outer end portion 467b of the second slit 467 is open to the outside of the connector holder 40. The second slit 467 has a _{spacing W s slightly wider than the thickness t c} (see FIG. 5) of the claw portion 12 (W _s > t _c ), and the claw portion 12 is the second slit portion 12. It is possible to slide in the slit 467 along the width direction of the claw portion 12 (longitudinal direction of the slit 467). The claw portion 12 is guided between the first arc portion 461a and the second arc portion 461b by sliding the inside of the second slit 467 from the outer end portion 467b toward the inner end portion 467a. .. The second slit 467 in the present embodiment corresponds to an example of the slit in the present invention.

It is not necessary to provide the second slit 467 in the terminal holding hole 46. In this case, the claw portion 12 is inserted into the terminal holding hole 46 by bringing the claw portion 12 closer to the terminal holding hole 46 from the front.

As shown in FIGS. 6 to 8 and 10, the projecting piece 47 projects toward the main body 43 at a predetermined distance from the main body 43, and is substantially parallel to the main body 43 (in a direction substantially parallel to the main body 43). It extends in the XY plane direction in the figure). Therefore, a groove 471 is formed between the protruding piece 47 and the main body 43. _{The groove 471 has a width W g} (see FIG. 8) _{slightly larger than the thickness tt} (see FIG. 5) of the main body 11 of the terminal 10 _{(W g} > _tt ). When a part of the main body 11 of the terminal 10 enters the groove 471, the groove 471 is substantially orthogonal to the plane direction (XY plane direction in the drawing) of the terminal 10 (the direction in which the groove 471 is substantially orthogonal to the plane direction (XY plane direction in the drawing). Constrain in the Z direction in the figure).

Further, as shown in FIG. 10, the bottom surface 472 of the groove 471 has a shape along the side surface 112 of the main body portion 11 of the terminal 10. As a result, when the main body portion 11 enters the groove 471, the main body portion 11 is in close contact with the bottom surface 472, and the groove 471 also restrains the terminal 10 in the plane direction (XY plane direction in the drawing). The groove 471 in the present embodiment corresponds to an example of the groove in the present invention, and the bottom surface 472 of the groove 471 in the present embodiment corresponds to an example of the bottom surface of the groove in the present invention.

Hereinafter, the method for manufacturing the wire harness 1 in the present embodiment will be described with reference to FIGS. 11 to 13.

11 is a front view showing the first stage of the manufacturing method in the present embodiment, and FIGS. 12A and 12B are front views showing the second and third stages of the manufacturing method in the present embodiment. The rear view and FIG. 13 are enlarged views of the XIII portion of FIG. 12 (b).

First, as shown in FIG. 11, in the first step, the claw portion 12 of the terminal 10 is inserted into the second slit 467 from the opening 467b (see FIG. 9) of the terminal holding hole 46 of the connector holder 40. Then, the claw portion 12 is slid along the second slit 467 to move the claw portion 12 to the first and second arc portions 461a and 461b of the terminal holding hole 46.

Then, as shown in FIGS. 12 (a) and 12 (b), in the second step, the claw portion 12 is rotated along the first and second arc portions 461a and 461b. Along with this rotation, a part of the main body 11 of the terminal 10 starts to enter the groove 471.

When the claw portion 12 is further rotated in the terminal holding hole 46, as shown in FIG. 13, as the claw portion 12 approaches the first and second convex portions 462a and 462b, the claw portion 12 becomes the first arc. The first piece 44 is pressed by sliding toward the portion 461a, and the first piece 44 elastically deforms and separates from the second piece 45. At this time, in the present embodiment, the length L _t from the tip end to the rear end of the main body portion 11 is longer than _{the width W t} of the main body portion 11 _{(L t} > W _t ). It is possible to easily elastically deform the first piece 44 by utilizing the above.

When the first piece 44 separates from the second piece 45, the rotating claw portion 12 gets over the first and second convex portions 462a and 462b, and in the third stage, the first and second pieces are used. It enters the recesses 463a and 463b of the first piece 44, and the elastic deformation of the first piece 44 is released. As described above, when the claw portion 12 is rotated 90 degrees in the terminal holding hole 46, the claw portion 12 enters the first and second recesses 463a and 463b, and the first bolt insertion hole 111 of the terminal 10 is inserted. And the second bolt insertion hole 481 of the connector holder 40 overlap.

At this time, as shown in FIG. 9, the first and second recesses 463a, the bottom surface of 463b 463c, is slightly larger than the width _{W c} distance _{L h} is of the claw portion 12 between 463D _{(L h} > W _{c ), the distance W h} between the parallel surfaces 463e and 463 f of the first recess 463a is slightly larger than _{the thickness t c} of the claw portion 12 _{(W h} > t _c ), and further, the second recess. The distance W h between the parallel surfaces 463 g and 463 _{h of} 463b is also slightly larger than _{the thickness t c} of the claw portion 12 _{(W h} > t _c ). Therefore, the claw portion 12 is locked to the first and second recesses 463a and 463b, and the first and second recesses 463a and 463b connect the claw portion 12 in the plane direction of the terminal 10 (XY in the drawing). Constrain in the plane direction).

Further, as the claw portion 12 rotates, a part of the main body portion 11 further enters the groove 471. Then, in a state where the claw portion 12 is locked to the first and second recesses 463a and 463b, the side surface 112 of the main body portion 11 is in contact with the bottom surface 472 of the groove 471. In this case, since the width _{W g} of the groove 471 is slightly larger than the thickness _{t t} of the main body portion _{11 (W g> t t)} , the groove 471 is a pin 10 to the plane direction of the terminal 10 It is constrained in a direction that is substantially orthogonal (Z direction in the figure).

Further, in the present embodiment, the bottom surface 472 of the groove 471 has a shape along the side surface 112 of the main body portion 11. Therefore, the main body 11 is in close contact with the bottom surface 472 of the groove 471, and the groove 471 also restrains the terminal 10 in the plane direction (XY plane direction in the drawing).

Although the electric wire 20 is not shown in FIGS. 11 to 13, it is preferable that the electric wire 20 is connected to the terminal 10 in advance before the terminal 10 is temporarily fixed to the connector holder 40. Further, before temporarily fixing the terminal 10 to the connector holder 40, the connector 30 to which the electric wire 35 is connected may be attached to the connector holder 40 in advance. Alternatively, after the terminal 10 is temporarily fixed to the connector holder 40, the connector 30 to which the electric wire 35 is connected may be attached to the connector holder 40.

As described above, in the present embodiment, the terminal 10 has the claw portion 12, and the connector holder 40 constrains the claw portion 12 in the plane direction (XY plane direction in the drawing) with the first and second recesses. It includes a terminal holding hole 46 having 463a and 463b. Further, the connector holder 40 includes a groove 471 that restrains the terminal 10 held in the terminal holding hole 46 in a direction substantially orthogonal to the plane direction (Z direction in the drawing). Therefore, it is possible to simplify the structure while reliably holding the terminal 10 without adding a new component for temporarily fixing the terminal 10.

It should be noted that the embodiments described above are described for facilitating the understanding of the present invention, and are not described for limiting the present invention. Therefore, each element disclosed in the above-described embodiment is intended to include all design changes and equivalents belonging to the technical scope of the present invention.

1 ... Wire harness 10 ... Terminal 11 ... Main body 111 ... First bolt insertion hole 112 ... Side surface 12 ... Claw 13 ... Conductor barrel 14 ... Insulation barrel 20 ... Electric wire 21 ... Central conductor 22 ... Insulation layer 30 ... Connector 35 ... Wire 40 ... Connector holder 41 ... Holder body 411 ... Connector holding hole 42 ... Flange 43 ... Main body 431 ... Mounting holes 44, 45 ... First and second pieces 46 ... Terminal holding holes
461a, 461b ... First and second arc portions
462a, 462b ... First and second convex portions
463a, 463b ... First and second recesses
463c, 463d ... Bottom
463e ~ 463h ... Parallel planes
464 ... First slit
465 ... Support
466 ... Inclined part
467 ... Second slit
467a, 467b ... end 47 ... protruding piece
471 ... Groove
472 ... Bottom surface 48 ... Color 481 ... Second bolt insertion hole 50 ... Bolt 60 ... Panel 61 ... Nut part

Claims (8)

A terminal with a first bolt insertion hole and
An assembly having a second bolt insertion hole and a member to which the terminal is temporarily fixed.
The terminal is
The main body portion in which the first bolt insertion hole is formed, and
Including a claw portion that bends from the tip of the main body portion,
The member is
A holding hole for holding the terminal with the claw portion,
Includes a groove that constrains the terminal held in the holding hole in a direction substantially orthogonal to the planar direction of the terminal.
The holding hole is
The arc portion that allows the rotation of the claw portion and the arc portion
A recess located on the terminal side of the arc portion, to which the claw portion is locked and restrains the claw portion in the plane direction, is included.
A part of the main body portion rotated around the claw portion has entered the groove.
The first bolt insertion hole and the second bolt insertion hole are an assembly in which the terminals are held by the holding holes and overlap each other. The assembly according to claim 1.
The holding hole communicates with the arc portion and includes a slit through which the claw portion can slide.
The member is an assembly comprising a pair of pieces defining the holding hole including the slit. The assembly according to claim 1 or 2.
The groove is an assembly having a bottom surface having a shape that follows the shape of the side surface of the main body portion. The assembly according to any one of claims 1 to 3.
An assembly in which the length from the front end to the rear end of the main body portion is longer than the width of the main body portion. A terminal with a first bolt insertion hole and
A method of manufacturing an assembly comprising a member having a second bolt insertion hole and temporarily fixed to the terminal.
The terminal is
The main body portion in which the first bolt insertion hole is formed, and
Including a claw portion that bends from the tip of the main body portion,
The member is
A holding hole for holding the terminal with the claw portion,
Includes a groove that constrains the terminal held in the holding hole in a direction substantially orthogonal to the planar direction of the terminal.
The method for manufacturing the assembly is as follows.
The first step of inserting the claw portion into the arc portion of the holding hole, and
A second step in which the claw portion is rotated along the arc portion and a part of the main body portion is inserted into the groove.
A method for manufacturing an assembly comprising the third step of engaging the claw portion with a recess of the holding hole and superimposing the first bolt insertion hole and the second bolt insertion hole. The method for manufacturing an assembly according to claim 5.
The holding hole includes a slit communicating with the arc portion.
The member comprises a pair of pieces defining the holding hole including the slit.
The first step comprises inserting the claw into the arc by sliding the claw along the slit.
The second step is a method for manufacturing an assembly, which comprises elastically deforming at least one of the pieces so as to separate the pair of pieces from each other as the claw portion rotates. The method for manufacturing an assembly according to claim 5 or 6.
The groove is a method for manufacturing an assembly having a bottom surface having a shape along the shape of the side surface of the main body portion. The method for manufacturing an assembly according to any one of claims 5 to 7.
A method for manufacturing an assembly in which the length from the front end to the rear end of the main body portion is longer than the width of the main body portion.

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