PEDAL WITH A PEDAL AXLE, A BEARING MOUNTED ON IT, AND A SAFETY ELEMENT

Description

[0001] The innovative concept described herein relates to a pedal, particularly for bicycles. According to the invention, the pedal has a pedal axle on which a bearing is mounted, such that the pedal axle and the bearing together form an assembly unit that can be inserted into or removed from the pedal body. The assembly unit consisting of the bearing and axle is secured against falling out of the pedal body by a locking element, which is accessible from the outside.

[0002] Pedals are typically used on vehicles powered by a crankset, meaning the driving force is transferred via the crankset to the driven wheel(s) by means of a chain drive, belt drive, or similar mechanism. The pedals enable the rider to transfer power to the crankset while providing a stable footing.

[0003] This type of drive is used particularly in two-wheeled vehicles. These include unmotorized bicycles as well as bicycles with motor assistance, such as so-called pedelecs or e-bikes. However, multi-track vehicles, such as tricycles or quadricycles, are also sometimes equipped with a crank drive.

[0004] The pedals are screwed into the crank. For this purpose, the pedals have an axle with a threaded connection on the vehicle side, allowing the pedal to be screwed into a corresponding threaded connection in the crank. The pedal body is rotatably mounted on this axle, ensuring that the pedal remains horizontal when the crank is turned, providing the rider with a horizontal contact surface and thus enabling continuous pedaling.

[0005] Occasionally, the pedal axle needs to be removed from the pedal body, for example, for maintenance. There are essentially two different pedal designs, which differ from each other as follows: One design features a pedal body with a cavity in which the pedal axle is located. This cavity extends completely through the pedal; that is, the pedal body has an opening at each of two opposite ends, with the cavity extending between these two openings, as shown, for example, in EP3972892A1. The pedal axle is inserted into the pedal body on one side, i.e., through one of the two openings, so that the pedal axle extends through the pedal body within the cavity. A bearing, usually a radial ball bearing, is arranged at at least one of the openings, and preferably at both openings. The bearings are usually inserted into the bores or...The pedal body is pressed into the openings. When inserting the pedal axle into the pedal body, the axle is pushed through the respective bearings so that it is supported within them. The axle is then secured to the exit opening, usually with a nut. Finally, the exit opening is covered with a dust cap to prevent the ingress of dust, dirt, and moisture.

[0006] In some situations, for example, for maintenance of the pedal axle and bearings, the pedal axle and bearings are removed from the pedal body. However, this is often problematic, especially with the bearings, and they frequently cannot be removed from the pedal body without damage. First, the dust cap must be removed from the pedal body. Then, the nut must be loosened so that the pedal axle can be pulled out. Since the bearing is pressed into the pedal body, it initially remains there. To remove the bearing, an elongated object must be pushed through the entire cavity, i.e., through the entire pedal body, from the opposite side—that is, from the side where the pedal axle is inserted—to reach the bearing and then knock it out. This often results in the bearing being destroyed.A new bearing then needs to be pressed into the pedal body. Furthermore, there might be a second bearing pressed into the opposite side of the pedal body. This one also needs to be knocked out, as described earlier, often resulting in its destruction. This is not particularly user-friendly and therefore discourages many users from regularly maintaining their pedals.

[0007] A second pedal design is also known. In this design, the pedal body has only one opening on the vehicle-side pedal area, into which a single bearing is pressed. Compared to the first design described above, there is no pedal axle extending through the entire pedal body within a cavity. Instead, a stub axle is inserted into the single bearing. Since there is only this single bearing, it must absorb the entire force. As a result, this single bearing must be significantly larger than the ball bearings used in the first pedal design. In fact, the single bearing is so large that it protrudes considerably beyond the two contact surfaces of the pedal. This results in uneven contact surfaces, which some riders may find bothersome.In other words, due to the large bearing, the pedal on the vehicle side has a raised, knob-like protrusion that extends beyond the otherwise flat contact surfaces of the pedal on both sides. Furthermore, with this design, the bearing pressed into the pedal body is virtually impossible to remove without damaging it. Compared to the first design, removing the bearing is even more difficult because, due to the lack of a continuous cavity in the pedal body, it cannot be driven out from the opposite side.

[0008] It would therefore be desirable to improve existing pedals so that they can be easily disassembled, meaning that the individual components of a pedal, especially the pedal axle and the one or more bearings, can be easily removed from the pedal body. Furthermore, it would be desirable to ensure that the pedal still has a completely flat contact surface without any disruptive protrusions.

[0009] This is achieved by a pedal having the features according to claim 1. Further embodiments and advantageous aspects of this pedal are mentioned in the respective dependent claims.

[0010] The pedal according to the invention comprises a pedal body and a pedal axle. The pedal body has an insertion opening through which the pedal axle can be inserted into the pedal body. This insertion opening is located on the side of the pedal that, when installed, faces the crank arm or the vehicle (e.g., bicycle). A cavity is formed in the pedal body, extending from the insertion opening into the pedal body or partially through the pedal body. Preferably, the cavity may extend incompletely through the pedal body, i.e., it does not extend completely through the pedal body from the insertion opening to an opposite end of the pedal body. The pedal axle, which is inserted into the pedal body through the insertion opening, extends at least partially through the pedal body within the cavity.Preferably, the pedal axle may only extend partially through the pedal body, i.e., not completely through the entire pedal body. A bearing is arranged on the pedal axle, designed to allow the pedal body to rotate freely on the axle. This bearing may be, for example, a plain bearing or a ball bearing. Multiple bearings may also be arranged on the pedal axle. For example, a first bearing may be provided at a rear end of the pedal axle, i.e., on a rear axle section located near the insertion opening. Alternatively or additionally, a bearing may be provided at a front end of the pedal axle, i.e., on a front axle section that leads into the cavity and, when installed, is located away from the insertion opening.If a bearing is positioned at each end of the pedal axle inserted into the pedal body, the axle can be particularly well secured against tilting. This is similar to the first pedal design mentioned above, which uses an elongated pedal axle supported by one or more bearings. This allows the forces to be distributed along the entire length of the axle, thus reducing the size of the bearings. More precisely, the bearings can be sized so that their outer circumference is less than the thickness of the pedal body (measured between the two contact surfaces). This allows the one or more bearings to be integrated into the pedal body without the need for additional protrusions. In other words, the pedal can have completely flat contact surfaces. Once inserted into the pedal body, the pedal axle can be secured to prevent it from falling out.According to the invention, a locking element is provided for this purpose, which is designed to support the bearing on the pedal axle in an axial direction relative to the pedal axle, thus preventing the pedal axle from falling out of the pedal body. In other words, the locking element secures the bearing and the pedal axle mounted in the bearing against axial movement (back-and-forth motion) within the cavity of the pedal body. The bearing and the pedal axle mounted therein are therefore, so to speak, arranged at a specific or predefined position within the pedal body by means of the locking element and fixed at this position within the pedal body. The locking element extends from the outside through the pedal body to the bearing, so that the locking element is accessible from the outside. The locking element can therefore be actuated from the outside.The locking element can be moved into a fixed position, securing the bearing and the pedal axle within it, as described above, inside the pedal body. This fixed position is used when the pedal is fully assembled and attached to the vehicle (e.g., bicycle). The locking element can, of course, also be released from this fixed position, thus releasing the bearing and pedal axle, allowing the axle to move freely within the pedal body. This would be useful if the pedal needs to be disassembled, for example, to service the pedal axle and one or more bearings. Since the bearing is not pressed into the pedal body, the pedal axle, along with the bearing, can be conveniently pulled out of the pedal body after releasing the locking element.This allows for very easy maintenance of the pedal axle and bearings, as the bearing can be removed from the pedal axle without damage. When installing the pedal axle, it is sufficient to slide the bearing onto the axle, then insert the axle, along with the bearing, into the pedal body and secure it with the locking element. This eliminates the need for the cumbersome process of pressing and removing bearings from or into the pedal body.

[0011] Some exemplary embodiments are shown in the drawing and are explained below. They show: Fig. 1 a schematic perspective view of a pedal according to the invention in one embodiment, Fig. 2 a schematic top view of the pedal according to the invention in one embodiment, Fig. 3 a schematic sectional view along a section line A - A through the Figure 2The pedal shown in Fig. 4 is an enlarged section of the pedal axle. Figure 3 Fig. 5 a schematic side view of a pedal according to an embodiment of the invention, Fig. 6 a schematic sectional view along a section line C - C through the Figure 5 The pedal shown in Fig. 7 is a schematic sectional view along a section line B - B through the part shown in Fig. 7. Figure 2 The pedal shown, Fig. 8 a schematic frontal view of the front of the pedal according to an embodiment, and Fig. 9 a schematic frontal view of the back of the pedal according to an embodiment.

[0012] The following are examples of embodiments described in more detail with reference to the figures, whereby elements with the same or similar function are provided with the same reference numerals.

[0013] The pedal according to the invention is described using the example of a bicycle pedal, in particular a so-called platform pedal, also known as a flat pedal. However, all descriptions given herein also apply to other pedal types, such as clipless pedals. Furthermore, the description contained in this document applies to pedals regardless of the type of vehicle on which they are mounted. For example, the present invention relates to pedals mounted on unmotorized bicycles as well as pedals mounted on motorized bicycles, such as e-bikes, pedelecs, and the like.

[0014] Figure 1 shows a perspective view of a pedal 100 according to the invention. Figure 2Figure 100 shows a top view of this pedal. It is a bicycle pedal, specifically a platform pedal, also known as a flat pedal. The pedal 100 has a pedal body 110 with a first platform 111 and an opposing second platform 112. The rider stands with their shoe on one of these platforms 111 or 112 while pedaling.

[0015] The pedal 100 also has a pedal axle 120 that extends at least partially through the pedal body 110. This is shown in the sectional view in Figure 3 more clearly visible. Shown is a section A - A through the in Figure 2 Pedal shown 100.

[0016] The pedal body 110 has an insertion opening 130. The pedal body 110 also has a cavity 113. The cavity 113 extends from the insertion opening 130 into the pedal body 110. As shown here as an example, the cavity 113 can extend from the insertion opening 130 into or through the pedal body 110 to approximately half of the pedal 100, or to two-thirds of the pedal 100, or to three-quarters of the pedal 100. The cavity 113 therefore does not extend completely through the entire pedal body 110. Thus, the pedal body 110 has only a single, one-sided insertion opening 130 through which the pedal axle 120 can be inserted a short distance into the pedal body 110. The pedal body 110 has no further opening on one side 140 of the pedal 100 opposite the insertion opening 130.This means that the pedal body 110 is closed on the side 140 opposite the insertion opening 130.

[0017] The pedal axle 120 can be inserted into the pedal body 110, or into the cavity 113 formed in the pedal body 110, through the insertion opening 130 provided in the pedal body 110. The pedal axle 120 extends at least partially into or through the pedal body 110 within the cavity 113. Preferably, the pedal axle 120 extends to the end of the cavity 113 furthest from the insertion opening 130. In other words, the pedal axle 120 can extend almost completely through the cavity 113. If the cavity 113 does not extend completely through the pedal body 110, as described above, then the pedal axle 120 arranged in the cavity 113 will also not extend completely through the pedal body 110.This means that the pedal axle 120 can extend from the insertion opening 130 into or through the pedal body 110 to approximately halfway, or to two-thirds, or to three-quarters of the pedal 100. In other embodiments (not explicitly shown here), the pedal axle 120 can extend almost completely through the pedal body 110, i.e., to just below the side 140 of the pedal body 110 opposite the insertion opening 130. The same would naturally apply to the cavity 113 in this case.

[0018] The pedal body 110 is rotatably mounted on the pedal axle 120. This can be achieved, for example, by means of suitable bearings 151, 152, 160. These are primarily radial bearings that limit the radial play of the pedal axle 120.

[0019] For example, a first radial bearing 160, for instance in the form of a plain bearing, can be provided in a rear axle section 121, i.e., in the area near the insertion opening 130. This could be a sliding bushing arranged around the pedal axle 120. A ball bearing would also be conceivable.

[0020] Alternatively or additionally, at least one [missing information] can be installed in a front axle section 122, i.e., in a section of the pedal axle 120 located away from the insertion opening 130.

[0021] Bearing 151, in particular in the form of a radial bearing, may be provided. This may, for example, be a ball bearing, preferably a deep groove ball bearing, which is arranged on the pedal axle 120. As in Figure 3While the illustration is purely illustrative, a second bearing 152, e.g., also in the form of a ball bearing, can also be arranged on the pedal axle 120. Instead of the first and / or second ball bearing 151, 152, a plain bearing, for example in the form of a sliding bushing, can also be provided here.

[0022] Only bearing 151 is described below. However, all information applies equally to the second bearing 152, or to any further bearings arranged on the pedal axle 120. The bearing 151 can be slid onto the pedal axle 120 from the front. For this purpose, the pedal axle 120 can have a reduced diameter in the front axle section 122, or at its tip, which is smaller than the inner diameter of the bearing 151. The bearing 151 can thus be slid onto the pedal axle 120 via this axle section 122 with the reduced diameter. The pedal axle 120 can have an axle section with a larger diameter towards the rear axle section 121, whereby this larger diameter is greater than the inner diameter of the bearing 151. At the transition from the smaller to the larger diameter, an edge is formed, which serves as an end stop for the bearing 151 slid onto the pedal axle 120.Bearing 151 can therefore no longer slide further back at this point.

[0023] The pedal axle 120 can have a thread at the front axle section 122, or at the tip of the pedal axle 120. A nut 123 can be screwed onto the thread to fix the bearing 151 on the pedal axle 120. The bearing 151 is thus secured against axial slippage in a first direction by the edge serving as an end stop, and secured against axial slippage in a second, opposite direction by means of the nut arranged opposite it. The bearing 151 can be arranged between the edge serving as an end stop and the nut.

[0024] Thus, the bearing 151 can be permanently mounted on the pedal axle 120. A significant advantage over the prior art is that the fully assembled pedal axle 120, i.e., the pedal axle 120 together with the bearing 151 mounted on it, can be inserted into and removed from the pedal body 120 as a single unit. That is, when the pedal axle 120 is pulled out of the pedal body 110, the bearing 151 mounted on the pedal axle 120 is also pulled out simultaneously. The nut 123 can then be loosened, and the bearing 151 can be pulled forward, i.e., over the tip of the pedal axle 120, off the pedal axle 120.

[0025] Inserting the pedal axle 120 into the pedal body 110 is also significantly simpler and easier compared to previous methods. The pedal axle 120, together with the bearing 151 mounted on it, can be inserted into the pedal body 110 as a single unit. This eliminates the need to press one or more bearings into the pedal body 110.

[0026] Preferably, the cavity 113 can have a clear width that is slightly larger (e.g., by a few tenths of a millimeter) than the outer circumference or outer diameter of the bearing 151. This ensures, firstly, that the pedal axle 120 with the bearing 151 mounted on it can be inserted into the cavity 113 of the pedal body 110 as a single unit. Secondly, due to the slight oversize of the clear width of the cavity 113 compared to the outer diameter of the bearing 151, it can be guaranteed that the bearing 151 fits into the cavity 113, allowing the pedal axle 120 to be inserted smoothly into the pedal body 110, and that the bearing 151 can be supported by its outer circumference against the wall of the cavity 113, i.e., the bearing 151 can be inserted precisely and without play into the cavity 113.Thus, there is no play between the bearing 151 and the wall of the cavity 113, so that the pedal axle 120 is arranged precisely in the pedal body 110 and radial forces can be absorbed by the bearing 151.

[0027] As in Figure 4 As can be seen, the pedal body 110 can have a projection 240 extending into the cavity 113 at one end of the cavity opposite the insertion opening 130. The bearing 151 can be supported axially against this projection 240. The projection 240 can serve as an end stop up to which the unit consisting of the pedal axle 120 and the bearing 151 mounted on it can be pushed into the pedal body 110. The projection 240 can, as shown in Figure 4 It has been shown that it should be formed all around, so that bearing 151 can fully support itself on it.

[0028] In summary, it can be stated that at least one bearing 151 can be mounted on the pedal axle 120, so that this bearing 151 is firmly connected to the pedal axle 120, with the pedal axle 120 and the bearing 151 mounted on it forming a unit. This unit consisting of the pedal axle 120 and the bearing 151 can then be inserted through the insertion opening 130 into the cavity 113 formed in the pedal body 110. The cavity 113 may extend incompletely through the pedal body 110, i.e., the cavity 113 does not extend completely through the entire pedal body 110. The unit consisting of the pedal axle 120 and the bearing 151 can be inserted into the cavity 113 up to an optional projection 240. This projection 240 supports the bearing 151 in an axial direction, so that the pedal axle 120 cannot be inserted further axially into the pedal body 110.The 240 mm offset thus forms, so to speak, an end stop for the 120 mm pedal axle.

[0029] In the radial direction, the bearing 151 is supported with its outer circumference against the wall of the cavity 113, i.e., on the inside of the pedal body 110. The pedal axle 120 is thus fixed in the radial direction and radial forces can be absorbed by the bearing 151.

[0030] To secure the inserted pedal axle 120 against falling out of the pedal body 110, a locking element 250 is provided according to the invention. The locking element 250 is designed to support the bearing 151 on the pedal axle 120 in an axial direction relative to the pedal axle 120. More precisely, the locking element 250 prevents axial movement of the pedal axle 120 towards the insertion opening 130, so that the pedal axle 120 can no longer slip towards the insertion opening 130, and thus out of the pedal body 110.

[0031] For a more detailed description of the locking element 250 according to the invention, reference is made to the Figures 5 and 6 referred. Figure 5 shows a side view of a Pedal 100. Figure 6 shows a cross-sectional view along the intersection line C - C through the in Figure 5 Pedal shown: 100.

[0032] The locking element 250 extends from the outside through the pedal body 110, into the cavity 113, and up to the bearing 151, so that the locking element 250 is accessible from the outside. The locking element 250 is in direct physical contact with the bearing 151. The locking element 250 may be in contact with a surface of the bearing 151 facing the insertion opening 130.

[0033] As in Figure 7As can be seen, the locking element 250, relative to the pedal axle 120, can extend radially through the pedal body 110 to the bearing 151. For example, the locking element 250 can extend essentially perpendicular to the base surface 111 of the pedal 100, or be inserted into the pedal body 100 perpendicular to the base surface 111.

[0034] Figure 7 shows a cross-sectional view through the in Figure 2 The illustrated pedal 100 runs along a section line B - B. The section line B - B runs, viewed from the insertion opening 130, in front of the bearing 151, which is why the bearing 151 is located in Figure 7 It is not recognizable. It is in Figure 7 However, it is clearly visible that the locking element 250 extends perpendicularly to the base 111 of the pedal 100 through the pedal body 110.

[0035] With renewed reference to Figure 6It can be seen that the bearing 151 is supported by the retaining element 250, which projects into the cavity 113. The retaining element 250 exerts an axially directed supporting force on the bearing 151 with respect to the pedal axle 120. In other words, the bearing 151 is supported by the retaining element 250, which projects vertically into the cavity 113, so that the unit consisting of the pedal axle 120 and the bearing 151 mounted on it is secured against axial movement towards the insertion opening 130. The pedal axle 120 is thus axially fixed in the pedal body 110 and can no longer slip out of the pedal body 110.

[0036] As in the Figure 1 , 2 and 7As can be seen, the locking element 250 can, for example, be in the form of a screw that is screwed vertically into the base surface 111 of the pedal body 110. The pedal body 110 can have a corresponding threaded bore for this purpose. This threaded bore is located on the pedal body 110 below the bearing 151. More precisely, the threaded bore is located just in front of the bearing 151; that is, the threaded bore is not positioned directly above the bearing 151, but slightly offset to the rear, in the direction of the insertion opening 130. The threaded bore, and thus also the locking element 250 screwed into the threaded bore, can therefore be positioned in front of the bearing 151 when viewed from the insertion opening 130. In this way, the locking element 250 can penetrate the cavity 113 directly next to the bearing 151 and engage with its lateral surface.The outer surface of the bearing 151 comes into contact with the retaining element 250, allowing the bearing 151 to be supported by it. This secures the unit consisting of the pedal axle 120 and the bearing 151 against slipping out of the pedal body 110.

[0037] The bearing 151 can be arranged along the pedal axle 120 between the locking element 250 and the projection 240. The bearing 151 can be clamped between the locking element 250 and the projection 240, thus fixing it axially. This prevents the pedal axle 120 from moving back and forth or forward and backward within the pedal body 110. The projection 240 secures the pedal axle 120 against axial movement in a first axial direction, namely away from the insertion opening 130, i.e., in an insertion direction in which the pedal axle 120 can be inserted into the pedal body 110. The locking element 250, on the other hand, secures the pedal axle 120 against axial movement in a second axial direction opposite to the first axial direction, namely in the direction of the insertion opening 130, i.e. in a removal direction in which the pedal axle 120 can be removed from the pedal body 110.

[0038] As mentioned at the outset, the pedal axle 120 and the bearing 151 mounted on it can form a single unit, allowing the pedal axle 120, together with the bearing 151, to be inserted into and removed from the pedal body 110, or from the cavity 113 provided in the pedal body 110. This offers the advantage that, compared to the prior art, a through-hole through the entire pedal body 110 is not required to press a bearing into the pedal body 110 on the exit side, i.e., on the side 140 opposite the insertion opening 130. As stated, the pedal axle 120 according to the invention and the bearing 151 arranged on it together form an assembly unit. The bearing 151 is therefore mounted on the pedal axle 120, whereas in the prior art, the bearing is pressed into the pedal body 110 in order to then pass the pedal axle 120 through it.

[0039] Figure 8Figure 1 shows a frontal view of the front of the pedal 100, specifically the side 140 of the pedal 100 opposite the insertion opening 130, which, in the assembled state, faces away from the vehicle (e.g., bicycle). It can be seen that the pedal body 110 is closed on this front side 140, meaning it has no opening into which a bearing is pressed. Therefore, there is no need to cover an opening with an additional dust cap, as is the case in the prior art. These dust caps can come loose, inevitably compromising their protective effect and allowing dust, dirt, and moisture to penetrate the pedal body 110. Since, in contrast, the pedal 100 according to the invention requires no opening and therefore no dust cap on the front side 140 (i.e., the pedal 100 is closed on the front side 140), significantly better protection against dust, dirt, and moisture can be ensured.

[0040] Another advantage is that the pedal has 100 more solid material and is therefore more stable. In addition, there is 140 mm of space on the closed front surface, for example, to accommodate a manufacturer's logo.

[0041] Figure 9 Figure 1 shows a frontal view of the rear of the pedal 100, specifically the side where the insertion opening 130 is located, and which, when mounted, faces the vehicle (e.g., bicycle). A cover 220 can be positioned on the pedal axle 120, which closes the insertion opening 130. The cover 220 provides additional protection against the ingress of dirt, dust, and moisture. The cover 220 can, for example, be screwed onto the pedal body 110.

[0042] With reference to Figure 3It can be seen that the cover 220 can be axially supported on a circumferential collar 230 of the pedal axle 120. That is, the cover 220 is supported on the circumferential collar 230 and thereby secures the pedal axle 120 against axial slippage along its length. For example, the cover 220 can thus prevent the pedal axle 120 from slipping out of the pedal body 110.

[0043] A wave washer 210 can optionally be provided between the cover 220 and the circumferential collar 230, in the area of ​​the insertion opening 130. The wave washer 210 can have an L-shape, so that it engages with the collar 230. The wave washer 210 can bear against the collar 230 formed on the pedal axle 120. When the cover 220 is screwed on, the wave washer 210 is pressed against the collar 230 to keep it in constant engagement with the circumferential collar 230 of the pedal axle 120. The wave washer 210 exerts an axial supporting force on the pedal axle 120, thereby preventing the pedal axle 120 from falling out of the pedal body 110. The wave washer 210 and the cover 220 together ensure that the pedal axle 120 is secured against falling out of the pedal body 110.This provides additional protection, in addition to the locking element 250 described above according to the invention. The wave washer 210 can therefore also be referred to as a locking washer. The wave washer 210 can further prevent dirt, dust, and moisture from entering the cavity 113. The wave washer 210 can, for example, be made of felt.

[0044] An additional wave washer 200 can optionally be arranged between the plain bearing 160 and the collar 230. The wave washer 200 can be made of felt, for example. The wave washer 200 can provide a sealing effect to prevent the ingress of dirt, dust, and moisture. This wave washer 200 can therefore also be referred to as a dust seal.

[0045] The embodiments described above merely illustrate the principles of the innovative concept described herein. It is understood that modifications and variations of the arrangements and details described herein will be obvious to other people skilled in the art. Therefore, it is intended that the concept described herein be limited only by the scope of protection set forth in the following patent claims and not by the specific details presented herein by way of description and explanation of the embodiments.

Claims

1. A pedal (100) comprising: a pedal body (110) having an insertion opening (130) and a cavity (113) which, starting from the insertion opening (130), extends into the pedal body (110), wherein the insertion opening (130) is configured as a single one-sided opening in the pedal body (110) so that the pedal body (110) is closed on a side (140) opposite the insertion opening (130) and has no further opening there, a pedal axle (120) which is inserted into the pedal body (110) through the insertion opening (130) and extends into the pedal body (110) along the cavity (113), at least one bearing (151) arranged on the pedal axle (120), which is configured to support the pedal body (110) to be rotatable on the pedal axle (120), the bearing (151) being configured as a ball bearing, wherein the bearing (151) is mounted on the pedal axle (120) so that the pedal axle (120) and the bearing (151) mounted thereon form a mounting unit which can be inserted into the pedal body (110) or removed from the pedal body (110), and a securing element (250) which is configured to support the bearing (151) on the pedal axle (120) in an axial direction with respect to the pedal axle (120) in order to secure the pedal axle (120) against falling out from the pedal body (110), wherein the securing element (250) extends from outside through the pedal body (110) into the cavity (113) to the bearing (151), and wherein the securing element (250) is accessible from outside.

2. The pedal (100) according to claim 1, wherein the securing element (250) is in direct physical contact with the bearing (151).

3. The pedal (100) according to claim 1 or 2, wherein the securing element (250) is in contact with a surface of the bearing (151) facing the insertion opening (130).

4. The pedal (100) according to any of the preceding claims, wherein the securing element (250) extends in a radial direction with respect to the pedal axle (120) through the pedal body (110) to the bearing (151), and wherein the securing element (250) exerts an, with respect to the pedal axle (120), axially directed supporting force on the bearing (151).

5. The pedal (100) according to any of the preceding claims, wherein the securing element (250) is configured in the form of a screw which is screwed perpendicularly into a stepping surface (111) of the pedal body (110).

6. The pedal (100) according to any of the preceding claims, wherein a projection (240) extending into the cavity (113) is formed in the pedal body (110) on which the bearing (151) is supported in an axial direction.

7. The pedal (100) according to claim 6, wherein the projection (240) is formed to be circumferential so that the bearing (151) is supported thereon on its entire circumference.

8. The pedal (100) according to claim 6 or 7, wherein the bearing (151) is arranged along the pedal axle (120) between the securing element (250) and the projection (240).

9. The pedal (100) according to any of the preceding claims, wherein the securing element (250) is arranged in front of the bearing (151) as viewed from the insertion opening (130).

10. The pedal (100) according to any of the preceding claims, wherein the clear width of the cavity (113) is larger than the outer circumference of the bearing (151).

11. The pedal (100) according to any of the preceding claims, wherein the cavity (113), starting from the insertion opening (130), does not extend completely through the pedal body (110) but only by up to half of the pedal (100), or by up to 3 / 4 of the pedal (100), into the pedal body (110).

12. The pedal (100) according to any of the preceding claims, further comprising a securing washer (210) which engages into a circumferential collar (230) formed on the pedal axle (120) in order to support the pedal axle (120) in an axial direction and to secure it against falling out from the pedal body (110).

13. The pedal (100) according to claim 12, further comprising a cover (220) which is mounted on the pedal body (110) and covers the insertion opening (130), wherein the cover (220) is in contact with the securing washer (210) to keep the securing washer (210) in constant engagement with the circumferential collar (230) of the pedal axle (120).