JP2021084672A - Discharge pump - Google Patents

Abstract

To provide a discharge pump capable of separating a metal member from a resin portion.SOLUTION: The discharge pump includes a mounting cap 10 mounted on a mouth of a container body, a discharge head 20 that has a discharge port 21a and is provided so as to be capable of being pushed down toward the container body with respect to the mounting cap 10, and a cylinder 30 in which a biasing member 50 for biasing the discharge head 20 upward and a suction mechanism for sucking contents inside the container body according to motion of the discharge head 20 are disposed and which is held by the mounting cap 10. The biasing member 50 or the suction mechanism or both of them contain a member made of metal, and the mounting cap 10 and the cylinder 30 are screwed together.SELECTED DRAWING: Figure 1

Description

The present invention relates to a discharge pump that is attached to the mouth of the container body and discharges the contents contained in the container body.

A discharge pump that is attached to the mouth of the container body and discharges the contents is known. For example, Patent Document 1 has a mounting cap mounted on the mouth of a container body for accommodating the contents and a discharge port for discharging the contents to the outside, and the container body side with respect to the mounting cap. Disclosed is a discharge pump including a discharge head provided so as to be pushable down, a cylinder held by a mounting cap, and a suction mechanism connected to the cylinder to suck the contents in the container body.

According to this type of discharge pump, by pressing the discharge head, the contents sucked by the suction mechanism can be discharged by a predetermined amount from the discharge port. Since a predetermined amount of contents can be discharged by such a simple operation, contents such as shampoo, conditioner, liquid soap, alcohol disinfectant, and lotion that are used at one time are stored. Discharge pumps are widely used in containers.

Japanese Unexamined Patent Publication No. 2019-26324

By the way, in recent years, efforts to reduce the environmental load have become more important than before, and waste separation is extremely important for promoting recycling or properly treating waste. The conventional discharge pump includes a metal member such as a coil spring that urges the discharge head upward in the cylinder. Therefore, conventionally, the discharge pump has been removed from the container body and the discharge pump has been separated as a non-combustible material. However, most of the discharge pumps are made of resin, and it is preferable that the resin part and the metal member of the discharge pump can be separated.

Therefore, an object of the present invention is to provide a discharge pump capable of separating a metal member from a resin portion.

The present invention has a mounting cap mounted on the mouth of the container body for accommodating the contents and a discharge port for discharging the contents to the outside, and is pushed down toward the container body with respect to the mounting cap. A discharge head that can be provided, an urging member that urges the discharge head upward, and a suction mechanism that sucks the contents in the container body according to the operation of the discharge head are arranged and mounted. A discharge pump comprising a cylinder held by a cap, the urging member, the suction mechanism, or both including a metal member, the mounting cap and the cylinder being screwed together.

The mounting cap includes a mounting cylinder mounted on the outer peripheral surface of the mouth portion of the container body, and a cylinder groove provided in the mounting cylinder into which the tip of the cylinder is press-fitted, and the cylinder groove and the tip of the cylinder are provided. Of the contact surfaces where the portions are in contact with each other, one of the contact surfaces is provided with a thread in advance, and the other contact surface is longitudinally at an angle larger than the lead angle of the thread. It is preferable that a plurality of extending vertical ribs are provided, and the cylinder groove and the cylinder are screwed together by tapping the tip portion of the cylinder against the cylinder groove.

It is preferable that the outer peripheral surface of the cylinder is provided with an operation portion for performing a rotation operation for releasing the screwing between the cylinder and the mounting cap.

An overcap that covers the discharge head is mounted on the mounting cap, and the overcap has a fitting portion into which the operation portion is internally fitted, and the operation portion is internally fitted into the fitting portion. It is preferable that the operation unit can be used as a jig for rotating the operation unit.

It is preferable that the outer peripheral surface of the mounting cap is provided with a fitting convex portion into which the fitting portion is fitted.

According to the discharge pump according to the present invention, the mounting cap and the cylinder mounted on the mouth of the container body for accommodating the contents are screwed together. Therefore, at the time of disposal, after removing the mounting cap from the container body, the screwing between the mounting cap and the cylinder can be released by rotating the cylinder with respect to the mounting cap. When the urging member or suction mechanism provided on the cylinder includes a metal member, these metal members can be taken out from the cylinder to separate the metal member and the resin member, and the appropriate disposal for each can be performed. It will be possible to dispose of (including recycling).

It is a figure for demonstrating the discharge pump of embodiment of this invention, (a) is a partial side sectional view which shows the discharge pump, (b) is an overcap which covers the discharge head of a discharge pump. It is a partial side cross section showing a state in which the overcap shown in FIG. 1B is attached to the discharge pump shown in FIG. 1A. It is a figure for demonstrating each part of the discharge pump of FIG. 1, (a) is a part of the cross section seen by XX of FIG. It is a side sectional view which shows the fitted state, (b) is a side sectional view which shows the screwed state of a cylinder groove and a cylinder upper end part (tip part), and (c) is YY of FIG. It is a cross-sectional view taken along the line, and shows the cross-sectional shape of the operating portion. It is a perspective view which shows the lower part of a cylinder for demonstrating the procedure of fitting an operation part into a fitting part provided in an overcap, and removing a cylinder from a mounting cap.

Hereinafter, the discharge pump 100 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 4.
First, a schematic configuration of the discharge pump 100 of the present embodiment will be described with reference to FIG. The discharge pump 100 shown in FIG. 1A has a mounting cap 10 mounted on the mouth of a container body (not shown), a discharge head 20 having a discharge port 21a for discharging the contents to the outside, and a mounting cap 10. Inside, a cylinder 30 is provided in which the lower portion 32 is held by the mounting cap 10 so as to extend toward the container body side. The discharge pump 100 is configured so that the cylinder 30 can be removed from the mounting cap 10 by screwing the mounting cap 10 and the cylinder 30 and rotating the cylinder 30 with respect to the mounting cap 10.

Further, the discharge pump 100 can be equipped with the overcap 40 shown in FIG. 1 (b). The overcap 40 is formed in a tubular shape having a top wall 41, and a notch portion 43 (fitting portion) is formed in the lower portion of the peripheral wall 42 thereof. The notch portion 43 includes an engaging portion 43a having a predetermined shape and a guide portion 43b provided in series with the lower portion of the engaging portion 43a. In the present embodiment, the engaging portion 43a exhibits a substantially hexagonal shape (hexagonal shape with rounded corners) when viewed from the front. More specifically, the engaging portion 43a is arranged at a position where the apex o ₀ arranged at the uppermost position overlaps the central axis O in the front view, and the two sides s ₁ and s ₂ facing each other are the centers. It has a substantially hexagonal orientation that is substantially parallel to the axis O. The guide portion 43b has a substantially trapezoidal shape when viewed from the front. The lower end of the guide portion 43b coincides with the lower end of the overcap 40 and is open. Maximum width notches 43 as the lower end of the guide portion 43b than increases (side s ₁ and the shortest distance between the s ₂₎ of the engaging portion 43a is formed. On the other hand, the outer peripheral surface 11a of the mounting cap 10 (mounting cylinder 11) of the discharge pump 100 has substantially the same predetermined shape as the engaging portion 43a in front view, and the fitting convex portion 11b projecting radially outward from the outer peripheral surface 11a. Is provided. When the overcap 40 is mounted on the discharge pump 100, the fitting convex portion 11b of the mounting cap 10 is internally fitted in the notch 43 of the overcap 40 to serve as a retaining mechanism for the overcap 40 (FIGS. 2 and 2). See FIG. 3 (a)). Further, the overcap 40 can be used as a jig for rotating the cylinder 30 with respect to the mounting cap 10 when the cylinder 30 is removed from the mounting cap 10 (FIG. 4). This point will be described later.

In addition, "upper" and "lower" in this specification indicate a relative positional relationship, and when the discharge pump 100 is attached to the mouth of the container body with the container body arranged in an upright posture. In addition, the side where the container body is located is referred to as "lower", and the side where the discharge head 20 is located is referred to as "upper". The circumferential direction is a direction that orbits around the central axis of the cylinder 30 (indicated by reference numeral O in FIG. 1), and the radial direction is a direction that is orthogonal to the central axis. Further, it is assumed that the central axis of the cylinder 30, the overcap 40, and the container body coincides with the central axis O of the cylinder 30. Hereinafter, each component will be described.

The configuration of the mounting cap 10 of the discharge pump 100 will be described with reference to FIGS. 1 and 2. As shown in FIG. 1, the mounting cap 10 includes a mounting cylinder 11 mounted on the outer peripheral surface of the mouth portion of the container body (not shown), and a ring cap 12 provided on the upper portion of the mounting cylinder 11.

The mounting cylinder 11 has a female screw portion 11c screwed into a male screw portion formed on the outer peripheral surface of the mouth portion of the container body on the inner peripheral surface (see FIG. 2).

As shown in FIG. 2, the ring cap 12 is erected from the upper surface of the bottom wall 13 on the outer peripheral side of the ring-shaped bottom wall 13 that covers the upper end of the mounting cylinder 11 and the upper end of the mouth portion of the container body. An outer peripheral cylinder 14, an inner peripheral cylinder 15 erected from the inner peripheral end of the bottom wall 13, a ring-shaped top wall 16 connected to the upper end of the inner peripheral cylinder 15 and projecting inward in the radial direction, and the ceiling. It is provided with a guide cylinder 17 that is vertically hung from the inner peripheral end of the wall 16. The outer peripheral cylinder 14, the bottom wall 13, and the inner peripheral cylinder 15 form a head groove A that opens upward (see FIG. 3B). Further, the inner peripheral cylinder 15, the top wall 16, and the guide cylinder 17 form a cylinder groove B whose lower side is opened. The guide cylinder 17 has a smaller diameter than the mouth portion of the container body, and the stem 22 included in the discharge head 20 described below is inserted through the guide cylinder 17.

The discharge head 20 includes a pressing portion 21 and the stem 22. The pressing portion 21 is provided with the discharge port 21a, is provided on the back surface of the top wall 21b, the hanging wall 21c suspended downward from the outer peripheral end of the top wall 21b, and is fitted to the upper end of the stem 22. It is provided with a vertical cylinder 21d to be worn, a discharge port 21a provided on the hanging wall 21c, and a discharge path 21e that communicates with the stem 22. The lower end of the hanging wall 21c is inserted into the head groove A composed of the outer peripheral cylinder 14 provided on the ring cap 12, the bottom wall 13, and the inner peripheral cylinder 15.

The stem 22 includes an upper cylinder 22a and a lower cylinder 22b inserted into the upper cylinder 22a, and the upper cylinder 22a and the lower cylinder 22b are fitted to each other. The lower cylinder 22b is urged upward by an urging member 50 arranged in the cylinder 30.

The cylinder 30 is formed in a substantially cylindrical shape with upper and lower ends open, and the urging member 50 and a suction mechanism for sucking the contents are provided inside the cylinder 30. Inside the cylinder 30, a storage space for storing a predetermined amount of contents sucked from the inside of the container body by a suction mechanism is provided. Further, a part of the lower cylinder 22b and the upper cylinder 22a of the stem 22 is inserted and arranged inside the cylinder 30.

As shown in an enlarged view in FIG. 3B, the upper end portion 31 (tip portion) of the cylinder 30 is composed of an inner peripheral cylinder 15 provided on the ring cap 12, a top wall 16, and a guide cylinder 17. It is inserted into the cylinder groove B to be screwed into the cylinder groove B. Specifically, a plurality of vertical ribs 15a parallel to the central axis direction of the cylinder 30 are provided on the inner peripheral surface of the inner peripheral cylinder 15 which is the groove inner wall surface of the cylinder groove B. Further, the vertical rib 15a is provided with a thread groove 15b (female thread) corresponding to a thread 31a (male thread) provided on the outer peripheral surface of the upper end portion 31 of the cylinder 30. The thread groove 15b is formed by, for example, pressing a cylinder 30 having a thread 31a formed on the outer peripheral surface of the upper end portion 31 into a cylinder groove B provided with a plurality of vertical ribs 15a, that is, so-called striking. By plugging, the thread groove 15b corresponding to the thread 31a provided at the upper end 31 of the cylinder 30 is formed (transferred) by deforming the vertical rib 15a. Further, the upper end portion 31 of the cylinder 30 is sandwiched between the inner peripheral cylinder 15 and the guide cylinder 17.

Next, the configuration of the lower portion 32 of the cylinder 30 will be described again with reference to FIG. The cylinder 30 is vertically elongated in a tubular shape, and includes a portion arranged inside the mounting cap 10 and a portion disposed below the mounting cap 10. Here, the portion arranged (exposed) below the mounting cap 10 is referred to as the lower portion 32 of the cylinder 30. As shown in FIG. 3C, the lower portion 32 of the cylinder 30 is provided with an operation portion 33 having a substantially hexagonal cross section. The outer shape of the operating portion 33 is substantially the same as the outer shape of the fitting convex portion 11b (see FIG. 1) provided on the outer peripheral surface 11a of the mounting cap 10.

As shown in FIG. 1, a step portion 34 is provided below the operation portion 33 so as to project outward in the radial direction, and below the step portion 34, the diameter is smaller than that of the step portion 34, and as the lower end portion thereof goes downward. A tapered portion 35 for reducing the diameter is provided, and a cylindrical pipe fitting portion 36 into which the suction pipe 70 introduced into the container body is fitted is provided below the tapered portion 35.

Next, the urging member 50 and the suction mechanism will be described with reference to FIG. In the present embodiment, the urging member 50 is a metal coil spring, and is in contact with the lower cylinder 22b of the stem 22 and the inner peripheral surface of the cylinder 30. When a downward force is applied to the pressing portion 21 such as when the pressing portion 21 is pressed, a downward force is applied to the urging member 50 via the lower cylinder 22b, and the coil spring is compressed. When the downward force on the pressing portion 21 is released, the coil spring is restored to its original shape, and at this time, the lower cylinder 22b is pushed back upward.

The suction mechanism includes a piston 61, a suction valve provided in the lower portion 32 of the cylinder 30, and the like. The piston 61 is arranged below the guide cylinder 17 of the ring cap 12, and is slidably provided on the cylinder 30 on the inner peripheral surface of the cylinder 30 and the outer peripheral surface of the lower cylinder 22b of the stem 22. The suction valve opens and closes the flow path of the contents connecting the suction pipe 70 and the accommodation space in the cylinder 30.

Next, the operation of the discharge pump 100 will be briefly described. When a downward force is applied to the pressing portion 21 such as when the pressing portion 21 of the discharge head 20 is pressed, the stem 22 moves downward together with the pressing portion 21. At this time, the stem 22 (lower cylinder 22b) moves downward with respect to the piston 61, and the communication hole 22c provided in the lower cylinder 22b is opened. The communication hole 22c is a hole that communicates inside and outside the lower cylinder 22b in the radial direction. After the communication hole 22c is opened, the piston 61 is pushed by the upper cylinder 22a and moves downward together with the stem 22 while sliding with respect to the inner peripheral surface of the cylinder 30, and the urging member 50 is compressed downward. .. At this time, the inside of the accommodating space of the cylinder 30 is pressurized, the suction valve is closed, and the communication hole 22c is opened. As a result, the contents stored in the accommodation space of the cylinder 30 are discharged to the outside from the discharge port 21a via the discharge path 21e provided in the stem 22 and the discharge head 20.

When the downward force on the pressing portion 21 is released, the stem 22 is urged upward by the urging member 50, so that it moves upward and returns to its original position. Along with this operation, the inside of the accommodating space of the cylinder 30 becomes a negative pressure, the communication hole 22c is closed, and the suction valve is opened. As a result, the contents are sucked into the storage space of the cylinder 30 from the container body via the suction pipe 70, and a predetermined amount of the contents are stored again in the storage space of the cylinder 30.

Subsequently, a method of releasing the screwing between the mounting cap 10 and the cylinder 30 will be described. As described above, in the discharge pump 100 of the present embodiment, the cylinder groove B provided in the mounting cap 10 and the upper end portion 31 of the cylinder 30 are screwed together (see FIGS. 2 and 3 (b)). Therefore, by rotating the cylinder 30 with respect to the mounting cap 10, the screwing between the mounting cap 10 and the cylinder 30 can be released.

In the discharge pump 100 of the present embodiment, the outer shape of the operating portion 33 provided at the lower part of the cylinder 30 and the inner peripheral surface shape of the engaging portion 43a of the notch portion 43 are substantially the same shape. Therefore, as shown in FIG. 4, for example, the discharge head 20 is held so that the cylinder 30 is arranged upward, and the operation unit 33 is inserted from the guide portion 43b of the notch portion 43 provided in the overcap 40. The operating portion 33 can be fitted into the engaging portion 43a, and the overcap 40 can be used like a wrench (jig). At this time, the engaging portion 43a is prevented from coming off by the step portion 34. Then, by rotating the operation unit 33 using the overcap 40, the screwed state between the mounting cap 10 and the cylinder 30 can be released, and the cylinder 30 can be easily separated from the mounting cap 10.

For example, when the content is liquid soap or the like, liquid soap or the like adheres to the surface of the cylinder 30 or the like, and even if the operation unit 33 is provided in the lower portion 32 of the cylinder 30, the cylinder 30 is attached to the mounting cap 10. On the other hand, it may be difficult to rotate. When the cylinder 30 is rotated by using the overcap 40, the notch portion 43 and the operation portion 33 are fitted, so that the contents do not slip due to the contents and the contents do not adhere to the hand. The cylinder 30 can be easily separated from the mounting cap 10.

From the above, according to the discharge pump 100 of the present embodiment, when the urging member 50 or the suction mechanism provided on the cylinder 30 includes a metal member (coil spring, ball valve, etc.), the mounting cap 10 is used. The cylinder 30 can be separated, these metal members arranged in the cylinder 30 can be taken out, and the metal member and the resin member can be separated, and disposal (including recycling) suitable for each can be performed. Will be able to do. In the present embodiment, it is assumed that the parts other than the urging member 50 are made of resin, and the container body is also made of resin.

In the conventional discharge pump 100, the upper end of the cylinder 30 has an undercut shape, and the upper end of the cylinder 30 is press-fitted (plugged) into the cylinder groove provided in the mounting cap 10 to assemble the cylinder 30 to the mounting cap 10. Therefore, it was difficult to separate the cylinder 30 from the mounting cap 10. On the other hand, although it is relatively easy to provide a screw thread 31a on the upper end portion 31 of the cylinder 30, it is difficult to provide a screw groove on the inner wall surface of the groove of the cylinder groove B, which complicates the manufacturing process and increases the cost. It becomes. However, in the discharge pump 100 of the present embodiment, a thread 31a is provided at the upper end 31 of the cylinder 30, a plurality of vertical ribs 15a parallel to the central axis direction are provided on the inner wall surface of the cylinder groove B, and the upper end of the cylinder 30 is provided. By plugging the portion 31 into the cylinder groove B, the cylinder 30 can be assembled to the mounting cap 10 by the same method as in the conventional method while forming the thread groove 15b on the inner wall surface of the groove of the cylinder groove B, and the manufacturing process can be performed. It is possible to realize a configuration in which the cylinder 30 and the cap can be easily separated without making a large change.

The embodiment described above is only one aspect of the discharge pump 100 according to the present invention, and can be appropriately modified without departing from the spirit of the present invention. For example, in the above embodiment, the configuration in which the biasing member 50 is a metal coil spring has been described as an example, but the present invention is not limited to this embodiment. A metal ball valve may be used as the suction mechanism. Further, the configurations of the discharge head 20 and the suction mechanism are not limited to the examples shown in the above-described embodiment, and of course, they can be changed as appropriate.

Further, in the above embodiment, the notch portion 43 is provided in the overcap 40, the operation portion 33 is inserted from the lower end side of the overcap 40, and the operation portion 33 is fitted in the notch portion 43. , The present invention is not limited to this aspect. For example, the overcap 40 may be provided with a through hole into which the operation portion 33 can be fitted, and this may be used as the fitting portion according to the present invention.

Further, in the above embodiment, the fitting convex portion 11b is provided on the outer peripheral surface 11a of the mounting cap 10, and the fitting convex portion 11b is internally fitted in the notch 43 of the overcap 40. It is not always necessary to provide such a fitting convex portion 11b on the outer peripheral surface 11a of the 10. Further, the cross-sectional shape of the operating portion 33, the inner peripheral surface shape of the engaging portion 43a of the notch portion 43, and the outer shape of the fitting convex portion 11b are not limited to the substantially hexagonal shape as shown in the present embodiment. Of course, it may have various polygonal shapes such as a triangular shape and a quadrangular shape, or it may have a shape in which a part of an arc is cut by a straight line. Moreover, these shapes do not have to be the same. Further, the operation unit 33 may have a configuration in which a plurality of vertical ribs are provided on the outer peripheral surface. In short, when the operation unit 33 is rotated, the operation unit 33 may have a shape that functions as a non-slip. Further, the notch portion 43 may have a side or a surface that interacts with the operation portion 33 when the operation portion 33 is rotated with the operation portion 33.

Further, in the above embodiment, a screw thread 31a is provided on the outer peripheral surface of the upper end portion 31 of the cylinder 30, and a plurality of vertical ribs 15a are provided on the inner wall surface of the groove of the cylinder groove B. Of the contact surfaces where the cylinder groove and the upper end (tip) of the cylinder 30 are in contact with each other, one of the contact surfaces is provided with a thread in advance, and the other contact surface is provided with a plurality of vertical threads. It suffices if ribs are provided, and the present invention is not limited to the above mode. However, as described above, it is often difficult to provide a thread on the inner wall surface of the cylinder groove B. Therefore, as in the above embodiment, it is preferable to provide vertical ribs on the contact surface on the cylinder groove B side and provide threads on the contact surface (outer peripheral surface) on the upper end 31 side of the cylinder 30.

Further, in the above embodiment, a plurality of vertical ribs 15a parallel to the central axis direction are provided on the inner wall surface of the cylinder groove B, but one contact surface is provided with a screw thread in advance and the other contact surface is provided. When a plurality of vertical ribs are provided in the vertical ribs, these vertical ribs need to be arranged side by side at an angle larger than the lead angle of the screw thread, and the extending direction of the vertical ribs does not have to be parallel to the central axis direction. .. However, by making the extending direction of the vertical rib 15a parallel to or substantially parallel to the central axis direction, mold release after molding becomes easy.

10: Mounting cap 11: Mounting cylinder 11a: Outer peripheral surface 11b: Fitting convex portion 11c: Female threaded portion 12: Ring cap 13: Bottom wall 14: Outer cylinder 15: Inner peripheral cylinder 15a: Vertical rib 15b: Thread groove 16: Top Wall 17: Guide cylinder 20: Discharge head 21: Pressing portion 21a: Discharge port 21b: Top wall 21c: Hanging wall 21d: Vertical cylinder 21e: Discharge path 22: Stem 22a: Upper cylinder 22b: Lower cylinder 22c: Communication hole 30: Cylinder 31: Upper end 31a: Thread 32: Lower 33: Operation part 34: Step part 35: Tapered part 36: Pipe fitting part 40: Overcap 41: Top wall 42: Peripheral wall 43: Notch part 50: Biasing part Member 61: Piston 70: Suction pipe 100: Discharge pump A: Head groove B: Cylinder groove O: Central shaft

Claims (5)

A mounting cap that is attached to the mouth of the container body that houses the contents,
A discharge head having a discharge port for discharging the contents to the outside and being provided so as to be able to be pushed down toward the container body with respect to the mounting cap.
An urging member that urges the discharge head upward, a suction mechanism that sucks the contents in the container body according to the operation of the discharge head, a cylinder held by the mounting cap, and a cylinder.
With
The urging member, the suction mechanism, or both include a metal member.
A discharge pump in which the mounting cap and the cylinder are screwed together. The mounting cap includes a mounting cylinder mounted on the outer peripheral surface of the mouth portion of the container body, and a cylinder groove provided in the mounting cylinder into which the tip of the cylinder is press-fitted.
Of the contact surfaces where the cylinder groove and the tip of the cylinder are in contact with each other, one of the contact surfaces is provided with a thread in advance, and the other contact surface is provided with a thread lead. A plurality of vertical ribs extending in the vertical direction at an angle larger than the angle are provided, and the cylinder groove and the cylinder are screwed together by tapping the tip of the cylinder against the cylinder groove. Item 1. The discharge pump according to item 1. The discharge pump according to claim 1 or 2, wherein the cylinder is provided with an operation unit for performing a rotation operation for releasing the screwing between the cylinder and the mounting cap on the outer peripheral surface thereof. An overcap that covers the discharge head is mounted on the mounting cap.
The overcap has a fitting portion into which the operation portion is internally fitted, and can be used as a jig for rotating the operation portion by internally fitting the operation portion into the fitting portion. The discharge pump according to claim 3. The discharge pump according to claim 4, wherein a fitting convex portion into which the fitting portion is fitted is provided on the outer peripheral surface of the mounting cap.

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