Crusher bucket

Abstract

A crusher bucket (1) includes: a frame (2); crushing elements (10, 11) including a movable jaw (10) and a fixed jaw (11) received in the frame (2); and an adjusting device (41) capable of changing the distance (D) between the jaws (10, 11) at a material outlet (8). The adjusting device includes: a strut having a first end and a second end, the first end and the second end being opposite to each other and respectively received in a first seat defined on the frame (2) and in a second seat defined on the movable jaw (10); and at least one spacer, the at least one spacer being removably inserted between the first seat and the first end of the strut or being removably inserted between the first seat and the first end of the strut.

Description

Technical Field

[0001] The present invention relates to an improved crusher bucket according to the preamble of the main claim, which is particularly suitable for crushing inert materials, processing waste and demolition materials, collectively referred to as gravel. Background Technology

[0002] Within the aforementioned technical field, there is a known bucket comprising an outer frame configured to collect gravel, and within the outer frame mounted crushing elements for the collected material.

[0003] It should be noted that, in this document, the term “bucket” is intended to be understood in general as any component set up and used to engage at the free end of the arm of an operating machine.

[0004] An example of a crusher bucket according to the relevant art is described in the same applicant's patent EP1532321.

[0005] In this example, the crusher element disposed in the bucket includes a pair of jaws facing each other, one jaw being movable relative to the other to compress and crush the material present between the jaws. Specifically, the movable jaw performs a rotational / translational motion relative to the fixed jaw, which is achieved by providing a first eccentric connector at the front portion of the movable jaw and a second strut-type connector at the opposite rear portion of the movable jaw.

[0006] The second connector includes a strut hinged between the abutment portion of the frame and the rear portion of the movable jaw, and the strut is configured to maintain the correct minimum distance between the jaws at the exit of the bucket and to resist loads generated by crushing gravel.

[0007] Furthermore, in this known bucket, the overall distance between the fixed jaw and the movable jaw is adjusted by inserting appropriate spacers between the abutting portion of the frame and the corresponding ends of the struts. By increasing or decreasing the number of spacers placed between the fixed jaw and the movable jaw, the range of the gravel discharge cross-section can be adjusted, and thus the size of the crushed gravel can also be adjusted.

[0008] The crusher bucket described in the aforementioned patent does indeed represent a substantial improvement over previously known buckets. However, it has encountered many drawbacks that limit its performance level.

[0009] In fact, the applicant has observed that during crushing, the rotational / translational motion of the movable jaw and the load caused by the resistance of the material to be crushed may cause the end of the strut to unexpectedly disengage from the abutment of the frame.

[0010] The smaller the gravel outlet cross-section, the more pronounced the problem becomes, requiring numerous spacers to be inserted between the frame's abutment and the strut's end to reduce the size of the crushed gravel. Therefore, the crushing of fine materials can severely impact the bucket's reliability. Summary of the Invention

[0011] The problem to be solved by the present invention is to provide a crusher bucket that is structurally and functionally configured to at least partially overcome one or more of the disadvantages mentioned with reference to the related art.

[0012] In light of this problem, the object of the present invention is to provide a crusher bucket in which the size of the material being crushed can be effectively adjusted to have a fine size.

[0013] Another object of the present invention is to provide a crusher bucket capable of withstanding loads caused by the resistance of the material to be crushed.

[0014] The present invention solves this problem and achieves these objectives by means of a crusher bucket comprising a frame in which crushing elements, including movable and fixed jaws, are received.

[0015] Preferably, the bucket also includes an adjustment device that can change the distance between the jaws at the material outlet.

[0016] Preferably, the adjustment device includes a strut having a first end and a second end, the first end and the second end being opposite to each other and being respectively received in a first seat defined in a frame and in a second seat defined in a movable jaw.

[0017] Preferably, the adjusting device includes at least one spacer that is removably inserted between the first seat and the first end of the strut, or at least one spacer is removably insertable between the first seat and the first end of the strut.

[0018] Still in a preferred manner, the bucket also includes a profile member, more particularly, the profile member having an L-shaped cross-section, and defining a first side and a second side within the profile member, preferably, the first side and the second side being perpendicular to each other. More generally, the second side may be arranged laterally relative to the first side, and advantageously, the second side has an inclination angle between the second side and the first side between 80 degrees and 100 degrees.

[0019] In a preferred embodiment, a first side of the profile member is positioned between at least one spacer and the first end of the strut, or the first side of the profile member can be positioned between at least one spacer and the first end of the strut. Preferably, the first side of the profile member is positioned between at least one spacer and the first end of the strut in the orientation that the second side of the profile member points toward the outlet and extends toward the movable jaw. In this way, the second side of the profile member is advantageously configured to laterally hold the first end of the strut during movement of the movable jaw.

[0020] It should be understood that this configuration prevents the first end of the strut from leaving the first seat. In particular, when a large number of spacers are inserted into the first seat, that is, especially when the movable jaw is adjusted for crushing fine materials, this configuration prevents the first end of the strut from leaving the first seat. Attached Figure Description

[0021] The features and advantages of the invention will be better understood through a detailed description of preferred embodiments illustrated by way of non-limiting example with reference to the accompanying drawings, in which:

[0022] - Figure 1 This is a front perspective view of the crusher bucket according to the present invention;

[0023] - Figure 2 yes Figure 1 A rear-view 3D view of the bucket;

[0024] - Figure 3 yes Figure 1 A side cross-sectional view of the bucket, showing the... Figure 1 and Figure 2 The attachment, not shown, is used to engage the bucket at the free end of the arm of the operating machine.

[0025] - Figure 4 yes Figure 3 Enlarged view of the details;

[0026] - Figures 5 to 7 yes Figure 4A detailed 3D view, in which some parts have been removed to show other parts that are not normally visible;

[0027] - Figure 8 yes Figure 1 A side view showing the details of the bucket;

[0028] - Figure 9 and Figure 10 yes Figure 1 A perspective view of the side portion of the bucket, in which some parts have been removed to show other parts that are not normally visible;

[0029] - Figure 11 Showing Figure 4 The details, some of which have been arranged in different operational configurations;

[0030] - Figure 12 and Figure 13 They are Figure 11 Detailed front and rear stereoscopic views;

[0031] - Figure 14 yes Figure 3 A three-dimensional view of the jaw of the bucket;

[0032] - Figure 15 yes Figure 14 A three-dimensional view of the jaw that has been partially cut open. Detailed Implementation

[0033] First refer to Figure 1 and Figure 2 The crusher bucket according to the present invention is generally designated as 1.

[0034] The bucket 1 includes an outer frame 2, which preferably includes two opposite sidewalls 3.

[0035] In a preferred manner, an upper wall 4 and a lower wall 5 of a frame are additionally provided, which are also opposite to each other and extend between the side walls 3. In particular, the upper wall 4 and the lower wall 5 extend from one side wall to the other side wall.

[0036] It should be understood that the superstructure and substructure are defined relative to the position of the bucket during the step of collecting material from the ground.

[0037] Reference Figure 3 For example, an attachment 6 is provided on the upper wall 4 of the frame for engaging the bucket at the free end of the arm of the operating machine (not shown).

[0038] The frame 2 defines an inlet 7 and an opposite outlet 8. The inlet 7 is used to load gravel, which is usually stone, or other materials to be crushed, and the outlet 8 is used to discharge the processed materials after the crushing operation.

[0039] The flow direction F of the material is restricted to from inlet 7 toward outlet 8.

[0040] Preferably, the extensions of the sidewalls 3, upper wall 4, and / or lower wall 5 of the frame generally follow the flow direction F.

[0041] The frame 2 may also include a rear wall 9 that connects the side walls 3 to each other near the outlet 8.

[0042] The side walls 3, upper wall 4, lower wall 5 and / or rear wall 9 of the frame preferably form the outer walls of the frame.

[0043] The frame 2 is equipped with a crushing element for crushing gravel, which includes a movable jaw 10 and an opposing fixed jaw 11, which is fixedly attached to the frame.

[0044] The movable jaw 10 can be arranged adjacent to the upper wall 4 of the frame, while the fixed jaw 11 can be arranged adjacent to the lower wall 5 of the frame.

[0045] Inside the bucket, and more particularly between the jaws 10 and 11, a crushing region 12 is preferably defined, which is laterally defined by the sidewalls 3 of the frame.

[0046] According to a preferred embodiment, jaw 10 and jaw 11 are fixed with corresponding grooved plates 13 and 14 that facilitate the crushing action.

[0047] Each of the jaws 10 and 11 defines corresponding front portions 10a, 11a and corresponding rear portions 10b, 11b that are opposite to each other. The front portions 10a, 11a of the jaws are located at the inlet 7, while the rear portions 10b, 11b are located at the outlet 8. The distance between the front portions 10a, 11a of the jaws defines the maximum size of gravel that can be loaded into the bucket, and this distance is generally greater than the distance D between the rear portions 10b, 11b, which is related to the desired maximum size of gravel at the outlet 8. Advantageously, as detailed below, the distance D between the rear portions 10b, 11b can be adjusted.

[0048] The bucket 1 also includes a moving device 15 that acts on the movable jaw 10 to move the movable jaw 10 away from and toward the fixed jaw 11 according to an appropriate trajectory, thereby crushing the material present between the jaws.

[0049] More specifically, the moving device 15 is capable of imparting a rotational and translational motion on the movable jaw 10 relative to the fixed jaw 11, wherein a first component of the motion is away from and toward the fixed jaw 11, and a second component of the motion is approximately parallel to the flow direction F of the material.

[0050] This particular movement can be achieved by the following moving device 15, which includes an eccentric connector 16 located at the front portion 10a of the movable jaw and a second strut connector 17 located at the rear portion 10b of the movable jaw, as described in detail below.

[0051] The moving device 15 may also include a motor 18 housed within the frame 2. In one embodiment, the motor 18 controls the rotation of the shaft 19, and where applicable, the motor 18 controls the rotation of the shaft 19 via a transmission (not shown).

[0052] Shaft 19 is preferably eccentric. In one embodiment, shaft 19 includes a central portion 20 and two end portions (not shown) eccentric relative to the central portion. The end portions are preferably supported on the sidewall 3 of the frame, while the movable jaw 10 is preferably supported on the central portion 20. One or more support members (not shown) may be applied to the central portion 20, and a metal tube 21 may be fixed to the outer surface of the support member, the metal tube 21 being rigidly connected to the front portion 10a of the movable jaw.

[0053] The system described above constitutes the eccentric connector 16 between the movable jaw 10 and the shaft 19. Of course, other structures that are functionally similar, produce similar movements, or have similar effects can be provided.

[0054] Reference Figure 4 For example, the second connector 17 of the movable jaw includes a strut 22.

[0055] In one embodiment, the strut 22 extends longitudinally between a first end 23 and a second end 24, the first end 23 and the second end 24 being opposite to each other and preferably received in a first seat 25 defined in a frame and a second seat 26 defined in a movable jaw, respectively.

[0056] Still in a preferred manner, the strut 22 is hinged to both the first seat 25 and the second seat 26 at its two opposite ends 23, 24, allowing the strut to swing relative to the frame and the movable jaw, but this swing is limited. In a preferred embodiment, the strut 22 is thus inserted into and held between the first seat 25 and the second seat 26.

[0057] The first seat 25 and the second seat 26 are preferably arranged adjacent to the material outlet 8. The second seat 26 is specifically defined on the rear portion 10b of the movable jaw.

[0058] In some embodiments, the second connector 17 of the movable jaw also includes a rod 27, a first end 28 of which is connected to the frame, and a opposite second end 29 of which is connected to the movable jaw, thereby continuously holding the strut 22 between the first seat 25 and the second seat 26 during movement of the movable jaw.

[0059] Therefore, an elastic device can be provided between the movable jaw 10 and the frame 2, which can compress the movable jaw against the support rod 22. In this embodiment, the elastic device includes a spring 30, which is preferably configured to operate in a compression manner.

[0060] The first end 28 of the rod can be connected to the frame 2 by a spring 30, the first end 31 of the spring 30 is connected to the first end 28 of the rod, and the opposite second end 32 of the spring 30 is connected to a transverse member 33 that is fixedly coupled to the frame.

[0061] To ensure that the spring 30 is loaded evenly, preferably, the rod 27 and the support rod 22 are approximately parallel to each other.

[0062] In one embodiment, the ends 23, 24 of the strut received in the first seat 25 and the second seat 26 are arc-shaped to allow the ends 23, 24 to swing about their respective contact lines. More specifically, the ends 23, 24 of the strut have a generally square profile with arc-shaped edges, while the first seat 25 and the second seat 26 preferably have a square profile that is larger in size than the ends of the strut, such that the clearance between the hinged elements is sufficient to allow the required swing. Therefore, lubrication of the hinges can be avoided because there is no friction between the contact surfaces, and the ends of the strut roll on the base of the respective seats.

[0063] Of course, it can also be configured so that the ends 23 and 24 of the strut have a hemispherical shape.

[0064] Reference Figure 5 In one embodiment, each of the two seat portions 25 and 26 of the strut is in the form of a groove, for example, having a U-shaped or square cross section, which is laterally defined by corresponding pairs of opposing limiting sides 25', 25” and 26', 26” and is defined at the base by corresponding transverse members 35 and 36.

[0065] Specifically, the first seat 25 has a first limiting side 25' on the side facing the outlet 8, and a second limiting side 25' on the side opposite to the outlet.

[0066] The second seat 26 also preferably has a corresponding first limiting side 26' on the side facing the outlet 8, and a corresponding second limiting side 26' on the side opposite to the outlet.

[0067] In other words, regarding both the first seat 25 and the second seat 26, the first limiting sides 25' and 26' are arranged downstream of the corresponding second limiting sides 25' and 26' in the material flow direction F.

[0068] Therefore, the limiting sides 25', 25”, 26', 26” are advantageously configured to restrict any movement of the corresponding ends 23, 24 of the strut toward the inlet 7 or outlet 8 during the movement of the movable jaw.

[0069] In a preferred embodiment, the limiting sides 25', 25”, 26', 26” and / or the base transverse members 35, 36 of the strut's seat extend between the sidewalls 3 of the frame and lie in a plane substantially perpendicular to the sidewalls 3.

[0070] In some embodiments, the limiting sides 26', 26" of the second seat 26 are formed as a structurally integral single piece with the corresponding transverse member 36. Preferably, the limiting sides 26', 26" together with the transverse member 36 form a structure having a generally C-shaped cross-section, and the seat 26 is defined between the arms of the C-shaped cross-section. In this way, the second seat 26 is better able to resist the load transmitted by the strut 22 during the crushing operation.

[0071] In some embodiments, the bucket 1 includes a stop 34 that is capable of holding the second end 24 of the strut within the second seat 26 during movement of the movable jaw.

[0072] Preferably, the stop device 34 is removably fixed to the first limiting side 26' of the second seat, or the stop device 34 can be removably fixed to the first limiting side 26' of the second seat.

[0073] In this way, during bucket assembly or maintenance, the removal of the stop device 34 allows the strut 22 to be inserted / removed through the outlet 8.

[0074] Preferably, the stop device 34 is configured such that the first limiting side 26' of the second seat extends away from the base of the second seat 26, thereby preventing the strut 22 from accidentally leaving the second seat during the movement of the movable jaw.

[0075] Preferably, the stop device 34 does not protrude into the second seat 26, so as not to interfere with the swing of the support rod 22.

[0076] In one embodiment, the stop device 34 includes a slat 37 having, for example, a rectangular cross-section, and the slat 37 having dimensions capable of withstanding forces transmitted through the strut.

[0077] The slat 37 can extend between the opposing longitudinal members 38 of the movable jaw and be fixed to the first limiting side 26' of the second seat. Preferably, the slat 37 can be fixed to the first limiting side 26' of the second seat by bolt connection.

[0078] In some embodiments, another strip 39 is inserted between the second end 24 of the strut and the base of the second seat 26 to protect the base of the second seat. The other strip 39 is made of abrasion-resistant material, and more particularly, the other strip 39 is made of high-strength steel.

[0079] In a preferred embodiment, the distance D between the rear portions 10b, 11b of the jaw can be adjusted to change the final size of the processed material by inserting one or more spacers 40 between the strut 22 and the frame 2, and more particularly by inserting one or more spacers 40 between the first end 23 of the strut and the first seat 25.

[0080] It should be noted that, in this document, the term "spacer" is intended to be understood as a pad configured to hold the first end 23 of the strut at an appropriate distance from the base of the first seat 25. The spacer 40 is preferably made of a metallic material, more particularly steel, and has dimensions capable of withstanding forces transmitted through the strut 22. In one embodiment, the spacer 40 is in the form of a slat having a preferably rectangular cross-section.

[0081] Therefore, the spacers 40 and the struts 40 constitute an adjustment device 41 for the cross-sectional range of the outlet 8. By increasing or decreasing the number of spacers 40 arranged between the struts 22 and the frame 2, the distance D between the jaws can be changed, and in particular, the distance D between the jaws at the outlet 8 can be changed. In any case, it is obvious that spacers of different sizes can also be used as a substitute for a larger number of spacers 40.

[0082] Reference Figure 8 In one embodiment, a first opening 42 is defined on the side wall 3 of the frame, preferably at the first seat 25, to insert the spacer 40 into / remove it from the first seat.

[0083] When one or more spacers 40 are in a resting state, in other words, when one or more spacers 40 are not used in the first seat 25, one or more spacers 40 can be stored in the frame.

[0084] For this purpose, the frame 2 includes a third seat 43 configured to receive the spacer 40 in its resting state. Preferably, the third seat 43 is adjacent to the rear portion 10b of the first seat 25 and / or the movable jaw.

[0085] In one embodiment, the spacer 40 in a resting state can be removably inserted into the third seat 43 via the second opening 44 constructed in the side wall 3 of the frame, or can be removably inserted into the third seat 43.

[0086] In this way, the third seat 43 allows for the direct storage of readily available and easily accessible bulk spacers 40 in the bucket.

[0087] For convenience, the first opening 42 and the second opening 44 are preferably constructed in the same sidewall 3. More specifically, the first opening 42 and the second opening 44 are located in the same plane and are adjacent to each other, thereby allowing the operator to easily move the spacer 40 between the first opening and the second opening without having to move it around the bucket.

[0088] In some embodiments, a removable cover 45 is provided, which is configured to close the first opening 42 and the second opening 44 to prevent the entry of dust or the accidental discharge of the spacer.

[0089] The cover 45 can be removably fixed to the side wall 3 of the frame, for example, the cover 45 can be removably fixed to the side wall 3 of the frame by bolt connection.

[0090] Furthermore, for convenience and safety reasons, the cover 45 can be configured to simultaneously close the first opening 42 and the second opening 44. This is to eliminate the risk that one of the two openings may remain open due to error, resulting in the accidental discharge of the spacer.

[0091] Reference Figure 5 and Figure 6 In this embodiment, the third seat 43 for receiving the spacer 40 is protected not only by any existing cover 45, but also by the rear wall 9 of the frame.

[0092] The rear wall 9 preferably extends from the bottom transverse member 35 of the first seat toward the outlet 8 and forms the outer wall of the frame 2. A plurality of reinforcing plates 46 can be fixed to the rear wall 9, which help to reinforce the frame 2 to withstand loads caused by the material during crushing operations.

[0093] Preferably, each of the reinforcing plates 46 is connected to the first limiting side 25' of the first seat of the rear wall 9 and the first limiting side 25' of the strut, thereby securing the rear wall 9 to the first limiting side 25'.

[0094] Preferably, the reinforcing plates 46 are generally parallel to each other and / or parallel to the sidewalls 3 of the frame, and preferably, the reinforcing plates 46 are generally perpendicular to the rear wall 9 of the frame and / or the first limiting side 25' of the first seat.

[0095] The reinforcing plate 46 may have a corresponding third opening 47, which generally defines a third seat 43 for receiving the spacer. Preferably, the third openings 47 are aligned with each other. Also preferably, the third opening 47 is aligned with the second opening 44 to facilitate the insertion or removal of the spacer into or from the third seat 43 through the second opening.

[0096] Of course, the first opening 42, the second opening 44 and / or the third opening 47 are preferably through holes. In addition, the first opening 42, the second opening 44 and the third opening 47 are preferably of a generally rectangular shape to facilitate the insertion of a group of spacers 40 stacked on top of each other.

[0097] Reference Figure 4 In one embodiment, the third opening 47 specifically has a width W and a height H.

[0098] The width W of the third opening is preferably greater than the width of the spacer 40, such that the lateral clearance of the spacer is sufficient to allow the spacer to slide in the third seat 43.

[0099] Still in a preferred manner, each of the third openings 47 extends longitudinally at a height H between the upper end 47' and the opposite lower end 47” of the third opening.

[0100] The spacer 40 can be stacked on top of each other between the upper end 47' and the lower end 47".

[0101] In one embodiment, the upper end 47' points toward the rear wall 9 of the frame, while the lower end 47" points to the opposite side, and more specifically, the lower end 47" points toward the movable jaw 10.

[0102] Reference Figure 6In one embodiment, the bucket 1 includes a blocking device 48 that is capable of holding the spacer 40 against one of the two ends 47', 47" of the third opening (in this embodiment, the spacer 40 abuts against the upper end 47').

[0103] The blocking device 48 preferably includes a movable support 49 that can support the spacer 40 and a pressing member 50 that can press the movable support 49 toward one of the two ends 47', 47" of the third opening.

[0104] In this embodiment, the pressing member 50 is configured to press the movable support 49 toward the upper end 47' of the third opening. Therefore, preferably, the spacer 40 is inserted between the movable support 49 and the upper end 47'.

[0105] By acting on the pressing member 50, the position of the movable support 49 at the height H of the third opening 47 can be adjusted according to the total height of the group of spacers 40 inserted between the movable support 49 and the upper end 47', thereby moving the movable support 49 toward or away from the upper end 47' of the third opening.

[0106] Therefore, the compression member 50 is preferably adjustable and may include one or more threaded connecting elements 51 (e.g., four), which extend at the height H of the third opening 47 between the movable support 49 and the rear wall 9 of the frame.

[0107] A through hole 83 may be provided in the rear wall 9 to allow insertion of a threaded connecting element 51.

[0108] Reference Figure 6 In one embodiment, the threaded connecting element 51 is movably inserted into the through hole 83 and becomes engaged with the corresponding threaded hole 84 formed in the movable support 49 by a screwing action.

[0109] Therefore, by tightening / loosening the threaded connecting element 51, the position of the movable support 49 between the ends 47', 47" of the third opening can be adjusted.

[0110] It should be noted that, in the above embodiments, the threaded connecting element 51 is preferably used as a rod between the movable support 49 and the rear wall 9.

[0111] Alternatively, the threaded connecting element 51 can be configured to act by compression, thereby pressing the movable support 49 and / or the spacer 40 in the opposite direction to the rear wall 9, and thus towards the lower end 47” of the third opening. In this case, the spacer is preferably inserted between the movable support 49 and the lower end 47”.

[0112] In all cases, it should be understood that when the threaded connecting element 51 is in use, the threaded connecting element 51 helps to strengthen the frame 2. (Refer to...) Figure 7 In one embodiment, the bucket 1 includes a profile member 52, more specifically, the profile member 52 having an L-shaped cross section, wherein a first side portion 53 and a second side portion 54 are defined.

[0113] Preferably, the first side portion 53 and the second side portion 54 are substantially perpendicular to each other. It should be understood that, more generally, the first side portion 53 and the second side portion 54 form an angle between 80° and 100°.

[0114] In one embodiment, each of the two sides 53, 54 of the profile member is generally flat.

[0115] The profile component 52 can be removably inserted into the first seat 25 through the first opening 42.

[0116] Preferably, the first side portion 53 is positioned between the bottom transverse member 35 of the first seat and the first end portion 23 of the support rod, or the first side portion 53 can be positioned between the bottom transverse member 35 of the first seat and the first end portion 23 of the support rod.

[0117] Where applicable, one or more spacers 40 are removably inserted between the bottom transverse member 35 of the first seat and the first side portion 53 of the profile member, or can be removably inserted between the bottom transverse member 35 of the first seat and the first side portion 53 of the profile member.

[0118] In a very preferred embodiment, the first side portion 53 is therefore positioned between one or more spacers 40 inserted into the first seat portion 25 and the first end portion 23 of the strut, or can be positioned between one or more spacers 40 inserted into the first seat portion 25 and the first end portion 23 of the strut.

[0119] In a preferred manner, the profile member 52 is oriented such that the second side 54 points toward the first limiting side 25' of the first seat and extends toward the movable jaw 10, or the profile member 52 is configured to be oriented such that the second side 54 points toward the first limiting side 25' of the first seat and extends toward the movable jaw 10.

[0120] Thus, the second side portion 54 is advantageously configured to laterally retain the first end 23 of the strut during movable jaw movement.

[0121] Of course, it can also be configured such that, in the absence of a spacer 40 inserted into the first seat 25, the first side portion 53 of the profile member can be placed between the base of the first seat 25 and the first end portion 23 of the strut.

[0122] In some variations, the first side 53 and the second side 54 of the profile component are essentially the same.

[0123] Therefore, profile member 52 is fully flippable. This prevents mispositioning and allows profile member 52 to be flipped in the event of localized wear on one of the two sides.

[0124] In this regard, it should be noted under any circumstances that the profile member 52 is preferably made of abrasion-resistant material, and more particularly, the profile member 52 is made of high-strength steel.

[0125] The second side 54 of the profile member 52 is preferably positioned between the first limiting side 25' of the first seat and the first end 23 of the strut, or can be positioned between the first limiting side 25' of the first seat and the first end 23 of the strut. Thus, the first limiting side 25' of the first seat is advantageously configured to at least partially abut against the second side 54 of the profile member.

[0126] Reference Figures 11 to 13 In one embodiment, the second side 54 of the profile member is configured to protrude from the first limiting side 25' of the first seat toward the movable jaw 10 according to the number of spacers 40 inserted between the bottom transverse member 35 of the first seat and the first side 53 of the profile member, thereby holding the first end 23 of the strut during movement of the movable jaw.

[0127] More specifically, in the absence of any spacers 40, or in the presence of a small number of spacers placed between the bottom transverse member 35 of the first seat and the first side portion 53 of the profile member, the second side portion 54 is completely contained within the first seat 25. By increasing the number of spacers 40 placed between the bottom transverse member 35 of the first seat and the first side portion 53 of the profile member, the profile member 52 gradually moves away from the bottom transverse member of the first seat until the second side portion 54 begins to protrude from the first limiting side portion 25' of the first seat toward the movable jaw.

[0128] In this way, when a large number of spacers are inserted into the first seat 25, that is, when the movable jaw is adjusted to crush fine materials, the profile member 52 prevents the first end 23 of the strut from leaving the first seat 25.

[0129] The assembly of the bucket 1 requires the strut 2 to pass through the material outlet 8 and be inserted into the first seat 25.

[0130] Therefore, referring to Figure 7 For example, the first limiting side 25' of the first seat has a recess 55 at the side facing the movable jaw 10, which allows the strut 22 to be inserted between the limiting sides 25', 25" of the first seat.

[0131] The recess 55 also allows for greater swing of the strut 22 toward the outlet 8 during the movement of the movable jaw.

[0132] Reference Figure 12 and Figure 13 In one embodiment, the second side portion 54 of the profile member is configured to protrude from the recess 55 toward the movable jaw according to the number of spacers 40 inserted between the bottom transverse member 35 of the first seat and the first side portion 53 of the profile member.

[0133] The recess 55 is preferably tapered in a direction away from the movable jaw 10, so as to retain at least the longitudinal end of the profile member 52 when the second side 54 protrudes from the recess.

[0134] To allow for retention, preferably, the profile member 52 and the recess 55 extend longitudinally between the sidewalls 3 of the frame by a first length L1 and a second length L2, respectively, with the first length L1 exceeding the second length L2.

[0135] Preferably, the first end 23 of the strut extends longitudinally between the side walls 3 of the frame for a third length L3, which is less than the first length L1 of the profile member.

[0136] As referenced above Figure 3 As described in the embodiment, the bucket 1 includes a motor 18 capable of actuating the crushing element. The motor 18 is at least partially housed in the protective housing 56, and preferably, the motor 18 is a hydraulic motor.

[0137] In one embodiment, the receiving member 56 also at least partially receives a hydraulic circuit (not shown) for actuating the motor 18.

[0138] The accommodating member 56 is at least partially surrounded by the frame 2. In a preferred embodiment, the accommodating member 56 is laterally defined by the sidewall 3 of the frame, and still preferably, the accommodating member 56 is further defined by a lower wall 58 of the accommodating member facing the movable jaw 10 and an upper wall 59 of the accommodating member opposite to the lower wall 58.

[0139] The lower wall 58 and upper wall 59 of the accommodating member preferably extend between the side walls 3 of the frame, and in particular, the lower wall 58 and upper wall 59 of the accommodating member extend from one side wall 3 to the other side wall.

[0140] The upper wall 59 of the receiving member can be connected to the upper wall 4 of the frame. Preferably, the upper wall 59 of the receiving member can be removably connected to the upper wall 4 of the frame. For example, the upper wall 59 of the receiving member can be connected to the upper wall 4 of the frame by bolts.

[0141] Therefore, when the upper wall 4 of the frame is engaged at the free end of the arm of the operating machine, the upper wall 59 of the receiving member helps to bear the weight of the bucket.

[0142] In order to reinforce the upper wall 59 of the accommodating member in the connection area connected to the upper wall 4 of the frame, the upper wall 59 of the accommodating member preferably includes a reinforcing transverse member 60 extending between the side walls 3 of the frame.

[0143] The receiving element 56 defines a region R1 that faces the outlet 8 and a region R2 that is arranged in the opposite position to the outlet 8 in the material flow direction F.

[0144] Preferably, the bucket 1 includes a plurality of first reinforcing plates 61 arranged in a receiving member 56 at a region R2, which is located opposite to the outlet 8.

[0145] Advantageously, the first reinforcing plate 61 is connected to the lower wall 58 and the upper wall 59 of the accommodating member, thereby fixing the lower wall 58 of the accommodating member to the upper wall 59 of the accommodating member.

[0146] In this way, the first reinforcing plate 61 helps to absorb the load caused by the resistance of the material to be crushed from one wall and distribute it to the other wall.

[0147] Furthermore, when the upper wall 4 of the frame is joined to the free end of the arm operating the machine, the first reinforcing plate 61 helps to bear the weight of the bucket.

[0148] For this purpose, preferably, the first reinforcing plate 61 is connected to the upper wall 59 of the receiving member in a position corresponding to the position of any existing attachment 6.

[0149] For example, two attachments 6 and two first reinforcing plates 61 can be provided symmetrically arranged about the central plane of the bucket, with the two first reinforcing plates 61 provided at the corresponding attachments.

[0150] Reference Figure 10 In one embodiment, the first reinforcing plates 61 are parallel to each other and / or the first reinforcing plates 61 are parallel to the side wall 3 of the frame and / or perpendicular to the lower wall 58 and upper wall 59 of the accommodating member.

[0151] To provide greater rigidity to the upper wall 59 of the accommodating member, preferably, the first reinforcing plate 61 is connected to the reinforcing transverse member 60, thereby fixing the reinforcing transverse member 60 to the lower wall 58 of the accommodating member.

[0152] In some embodiments, the frame 2 includes a plurality of second reinforcing plates 62, which are arranged externally relative to the receiving member 56 in the region R1 facing the outlet 8, for example as... Figure 9 As shown in the implementation method.

[0153] The second reinforcing plate 62 is advantageously connected to the lower wall 58 of the receiving member and the second limiting side 25 of the first seat, thereby fixing the lower wall 58 of the receiving member to the second limiting side 25 of the first seat.

[0154] The second limiting side 25” of the first seat is preferably fixed to the bottom transverse member 35 of the first seat.

[0155] To provide greater overall rigidity to the housing 56 and the frame 2, preferably, the second reinforcing plates 62 are parallel to each other and are perpendicular to the lower wall 58 of the housing and / or to the second limiting side 25” of the first seat.

[0156] In a preferred embodiment, two first reinforcing plates 61 are provided, and, still preferably, four second reinforcing plates 62 are provided. Of course, different numbers of first reinforcing plates 61 and / or second reinforcing plates 62 can be provided.

[0157] Preferably, the first reinforcing plate 61 and / or the second reinforcing plate 62 are arranged symmetrically about the central plane of the bucket. More preferably, the first reinforcing plate 61 and the second reinforcing plate 62 are staggered relative to each other.

[0158] In some embodiments, the plurality of second reinforcing plates 62 include two outer plates 63 (in this embodiment having a generally triangular shape) and two inner plates 64 disposed between the outer plates 63. Preferably, the first reinforcing plate 61 is positioned in a corresponding plane between the outer plates 63 and the inner plates 64.

[0159] Reference Figure 11In one embodiment, the inner plate 64 is fixed to the transverse member 33 on the side opposite to the movable jaw 10, and the second end 32 of the spring is connected to the transverse member 33. The transverse member 33 preferably extends from one of the outer plates 63 to the other, thereby providing greater overall rigidity.

[0160] In order to withstand the load transmitted by the spring 30, preferably, the inner plate 64 has a greater thickness than the outer plate 63.

[0161] Reference Figure 3 In one embodiment, the bucket includes a first plate 65 and a second plate 66 extending longitudinally between the side walls 3 of the frame.

[0162] The first plate 65 is preferably arranged upstream of the movable jaw 10 in the material flow direction F, and preferably forms the outer wall of the frame 2. Furthermore, in one embodiment, the first plate 65 defines a portion of the edge of the inlet 7.

[0163] The second plate 66 preferably extends from the first plate 65 toward the movable jaw 10, thereby allowing material to travel along the second plate from the inlet 7 toward the crushing zone 12, thus helping to optimize the crushing of the material.

[0164] The first plate 65 and the second plate 66 prevent the material to be crushed from being accidentally introduced between the movable jaw 10 and the upper wall 4 of the frame.

[0165] Preferably, the bucket 1 further includes a plurality of third plates 67 (e.g., four third plates), which are connected to the first plate 65 and the second plate 66, thereby fixing the first plate 65 to the second plate 66.

[0166] It should be understood that the third plate 67 helps to absorb and distribute the load caused by the impact of the material between the first and second plates.

[0167] In addition, when the upper wall 4 of the frame engages with the free end of the arm of the operating machine, the third plate 67 helps to bear the weight of the bucket.

[0168] The third plate 67 is preferably arranged downstream of the first plate 65 in the flow direction F.

[0169] To impart greater rigidity to the first plate 65 and the second plate 66, preferably, the third plate 67 is perpendicular to the first plate and / or the second plate, and the third plate 67 is parallel to each other.

[0170] On the side facing the entrance 7, an upper edge 68 and a lower edge 69 are defined in the upper wall 4 and lower wall 5 of the frame, respectively.

[0171] Preferably, the first plate 65 extends from the upper edge 68 toward the lower edge 69.

[0172] Preferably, the third plate 67 extends from the first plate 65 and the second plate 66 toward the upper wall 4 of the frame.

[0173] In some embodiments, each of the third plates 67 has a front edge 70 defined on a side facing the first plate 65 and the second plate 66, the front edge 70 having a tapering shape in a direction away from the movable jaw 10. The first plate 65 and the second plate 66 can be fixed to the front edge 70 of the third plate.

[0174] Reference Figure 9 and Figure 10 In this embodiment, an upper transverse member 71 is provided, which extends along the upper edge 68 between the side walls 3 of the frame. Specifically, the upper transverse member 71 extends from one side wall 3 to the other. Advantageously, the upper wall 4 of the frame is rigidly connected to the upper transverse member 71. Preferably, the upper wall 4 of the frame is rigidly connected to the upper transverse member 71 in a removable manner, for example, by bolts.

[0175] It should be understood that when the upper wall 4 of the frame engages with the free end of the arm of the operating machine, the upper transverse member 71, together with the possible reinforcing transverse member 60, helps to bear the weight of the bucket.

[0176] Preferably, the first plate 65 is rigidly connected to the upper transverse member 71 at the side facing the upper edge 68. For example, the first plate 65 is rigidly connected to the upper transverse member 71 by welding at the side facing the upper edge 68.

[0177] In some embodiments, the first plate 65 covers the upper transverse member 71 to enclose the upper transverse member 71 within the frame 2.

[0178] Each of the third plates 67 preferably extends from the upper transverse member 71 to the first plate 65 and the second plate 66, thereby fixing the upper transverse member to the first plate and the second plate.

[0179] In some embodiments, a lower transverse member 72 is provided, which extends between the side walls 3 of the frame (in particular, the lower transverse member 72 extends from one side wall 3 to the other side wall), and preferably, the lower transverse member 72 is rigidly connected to the second plate 66.

[0180] In a preferred embodiment, the lower transverse member 72 has a cross-sectional portion extending longitudinally from the second plate 66 toward the upper wall 4 of the frame, and in particular, the lower transverse member 72 has a cross-sectional portion extending longitudinally from the second plate 66 toward the upper wall 4 of the frame in a direction perpendicular to the second plate 66. In this way, the lower transverse member 72 imparts greater rigidity to the second plate.

[0181] Each of the third plates 67 advantageously extends from the upper transverse member 71 to the lower transverse member 72, thereby securing the upper transverse member to the lower transverse member. In this way, the upper transverse member 71 and the lower transverse member 72 are fixedly joined together during response to loads.

[0182] In any case, preferably, at least in the central plane of the bucket, the upper transverse member 71 has a larger cross section than the lower transverse member 72 (e.g., in terms of area and / or thickness), so that the upper transverse member bears the weight of the bucket when the upper wall 4 of the frame engages with the free end of the arm of the operating machine.

[0183] In some embodiments, the first plate 65 extends longitudinally from one sidewall of the sidewall 3 to the other sidewall. In some embodiments, the second plate 66 may also extend longitudinally from one sidewall of the sidewall 3 to the other sidewall. However, preferably, the second plate 66 is connected to the sidewall 3 by a corresponding connecting plate 79.

[0184] More specifically, preferably, the second plate 66 has two opposite longitudinal ends 82 pointing toward corresponding opposite sidewalls 3 of the frame, and preferably, two corresponding connecting plates 79 extend from the opposite longitudinal ends 82 of the second plate to the sidewalls 3 of the frame, thereby securing the opposite longitudinal ends 82 to the sidewalls 3. Additionally preferably, the connecting plates 79 have corresponding positioning planes that are dispersed in a direction away from the first plate 65 and the second plate 66. In practice, this geometry helps to strengthen the frame 2, thereby resisting loads caused by impacts and breakage of hard materials.

[0185] The connecting plate 79 also helps optimize the flow of material from the inlet 7 toward the crushing zone 12, thereby preventing material residues, such as asphalt material residues, from being retained at the intersection between the second plate 66 and the sidewall 3. For this purpose, it is known that the connecting plate 79 preferably extends longitudinally from the inlet 7 toward the movable jaw 10, thereby allowing material to travel along the connecting plate in the flow direction F.

[0186] Reference Figure 9In this embodiment, an angle A is formed between 20° and 120° between the positioning planes of the connecting plate 79. More specifically, angle A is between 40° and 100°, and preferably, angle A is between 50° and 90°. In this way, the connecting plate 79 is positioned such that when the upper wall 4 of the frame engages at the free end of the arm of the operating machine, the connecting plate 79 also helps to bear the weight of the bucket.

[0187] In this embodiment, to ensure greater rigidity, the connecting plate 79 is also fixed to the corresponding opposite longitudinal end of the lower transverse member 72.

[0188] Reference Figure 14 and Figure 15 In some embodiments, the movable jaw 10 includes a frame 73 comprising a pair of longitudinal members 38 extending along the flow direction F of the material, the longitudinal members 38 preferably having a symmetrical arrangement about the central plane of the bucket 1.

[0189] The frame 73 of the movable jaw may also include a plurality of corresponding transverse members 75, which are parallel to each other and extend from one longitudinal member of the longitudinal members 38 to another longitudinal member.

[0190] Preferably, the plurality of transverse members 75 of the movable jaw include a first transverse member 76 and a second transverse member 77 arranged downstream of the first transverse member in the material flow direction F.

[0191] Preferably, the second transverse member 77 has a larger cross-section than the first transverse member 76 (e.g., in terms of area and / or thickness t2). In a preferred embodiment, the cross-section of the second transverse member 77 has a thickness t2 that is at least twice the thickness t1 of the cross-section of the first transverse member 76.

[0192] It should be noted that, in this document, the term "section" should be understood to preferably refer to a cross section, which, in the case of the first transverse member 76 and / or the second transverse member 77, may be, for example, a rectangular cross section. The thicknesses t1 and t2 of the corresponding cross sections are preferably measured along the flow direction F and / or along the longitudinal extension direction of the movable jaw 10 from the inlet 7 toward the outlet 8.

[0193] It should be understood that this structure imparts increased rigidity along the flow direction F to the frame 73 of the movable jaw, thereby increasing the tolerance of the movable jaw at the following locations: at the breakage area 12 placed between the jaws and at the second connector 17 involving the rear portion 10b of the movable jaw.

[0194] As described above, the movable jaw 10 may include a metal tube 21 in which the central portion 20 of the shaft is received.

[0195] In a preferred embodiment, the metal tube 21 is fixed to the longitudinal member 38 and arranged upstream of the first transverse member 76 in the flow direction F.

[0196] The movable jaw 10 may also include a first reinforcing plate 78 connected to the metal tube 21 and the first transverse member 76, thereby securing the metal tube to the first transverse member. In one embodiment, the first reinforcing plate 78 extends in the central plane of the bucket 1.

[0197] In some embodiments, the plurality of transverse members 75 of the movable jaw also include a third transverse member 36, which is arranged downstream of the second transverse member 77 in the flow direction F.

[0198] The third transverse member 36 preferably has a larger cross-section than the second transverse member 77 (e.g., in terms of area and / or thickness t3). In a preferred embodiment, the cross-section of the third transverse member 36 has a thickness t3, which is at least twice the thickness t2 of the cross-section of the second transverse member 77. It should be noted that the thicknesses t2 and t3 of the corresponding cross-sections are preferably measured along the flow direction F and / or along the longitudinal extension direction of the movable jaw 10 from the inlet 7 toward the outlet 8.

[0199] In some embodiments, to ensure that the second seat 26 points toward the first seat 25, the third transverse member 36 and, more particularly, the corresponding limiting sides 26', 26" are located in an inclined plane relative to the positioning plane of the first transverse member 76 and / or the second transverse member 77. In this case, and generally, the thickness t3 can be measured laterally relative to the positioning plane of the third transverse member 36 and / or the corresponding limiting sides 26', 26" as follows: Figure 7 As shown in the implementation method.

[0200] In this way, the first transverse member 76, the second transverse member 77, and the third transverse member 36 impart a gradually increasing rigidity to the movable jaw 10 along the flow direction F. In particular, the first transverse member 76, the second transverse member 77, and the third transverse member 36 impart a gradually increasing rigidity to the movable jaw 10 along the flow direction F toward the rear portion 10b, where the movable jaw is more susceptible to the load transmitted by the strut 22.

[0201] To resist the load transmitted by the strut, preferably, the second seat 26 of the strut is formed on the third transverse member 36. In a preferred embodiment, the third transverse member 36 thus includes the limiting sides 26', 26" of the second seat, and the third transverse member 36 advantageously has dimensions capable of withstanding the forces transmitted by the strut. Furthermore, it is advantageous that the limiting sides 26', 26" are made as a single piece, making the third transverse member 36 structurally integral.

[0202] In some embodiments, the movable jaw 10 includes a pair of second reinforcing plates 80 that extend from the second transverse member 77 along the flow direction F to the second limiting side 26” of the second seat, thereby securing the second transverse member to the second limiting side of the second seat.

[0203] The second reinforcing plate 80 is preferably placed between the longitudinal members 38, and is still preferably arranged symmetrically about the central plane of the bucket 1.

[0204] The second reinforcing plate 80 helps to absorb and distribute the load from the second transverse member to the third transverse member and from the third transverse member to the second transverse member, the load being caused by the resistance of the strut 22 and the material to be crushed.

[0205] In one embodiment, the second reinforcing plate 80 also allows the movable jaw 10 to be connected to the rod 27. The second end 29 of the rod can actually be positioned between the second reinforcing plates 80 and connected to them by a hinge. To allow the hinge of the second end 29, preferably, the second reinforcing plates 80 are drilled.

[0206] As described above, the movable jaw type 10 may include a grooved plate 13, which facilitates the crushing action.

[0207] The slotted plate 13 can be removably secured to the frame 73 of the movable jaw by means of a locking strip 81. The locking strip 81 can be bolted to the frame 73 downstream of a plurality of transverse members 75 of the movable jaw in the flow direction F, thereby increasing the rigidity of the movable jaw at the outlet 8.

[0208] In one embodiment, the grooved plate 13 has a plurality of reinforcing ribs 74 pointing toward the frame 73 of the movable jaw. The ribs 74 may extend parallel to and / or transverse to the flow direction F of the material.

[0209] Thus, the present invention achieves the stated objectives and provides many advantages over related technologies, including the ability to adjust the size of the crushed gravel and to significantly increase the production capacity of the bucket.

[0210] Furthermore, due to the structural characteristics of the bucket, it is particularly resistant to loads caused by materials during crushing operations.

[0211] Another important advantage achieved is that, due to the greater rigidity of the frame and crushing element, the power consumed by the bucket according to the invention is less than that consumed by a conventional bucket, which also involves reducing processing time and lowering noise emissions.

Claims

1. A crusher bucket (1), comprising: -Framework(2), - A crushing element comprising a movable jaw (10) and a fixed jaw (11) received within the frame (2), and - An adjusting device (41) capable of changing the distance (D) between the jaws (10, 11) at the material outlet (8), the adjusting device (41) comprising: - A strut (22) having a first end (23) and a second end (24), the first end (23) and the second end (24) being opposite to each other and respectively received in a first seat (25) defined on the frame (2) and in a second seat (26) defined on the movable jaw (10), and - At least one spacer (40) is removably inserted between the first seat (25) and the first end (23) of the support rod, or the at least one spacer (40) is removably insertable between the first seat (25) and the first end (23) of the support rod. The crusher bucket (1) is characterized in that it includes a profile member (52) having an L-shaped cross section and defining a first side portion (53) and a second side portion (54) laterally disposed relative to the first side portion (53). The first side portion (53) is positioned between the at least one spacer (40) and the first end portion (23) of the support rod, or the first side portion (53) is capable of being positioned between the at least one spacer (40) and the first end portion (23) of the support rod.

2. The crusher bucket (1) according to claim 1, wherein, The first side portion (53) is positioned between the at least one spacer (40) and the first end portion (23) in such an orientation as the second side portion (54) points toward the outlet (8) and extends toward the movable jaw (10) to laterally hold the first end portion (23) during movement of the movable jaw (10).

3. The crusher bucket (1) according to claim 1 or 2, wherein, The first seat (25) is laterally defined by a pair of limiting sides (25', 25") and at the bottom by a transverse member (35). The first side (53) of the profile member is positioned between the transverse member (35) and the first end (23) of the strut, or the first side (53) of the profile member can be positioned between the transverse member (35) and the first end (23) of the strut. The at least one spacer (40) is removably inserted between the transverse member (35) and the first side (53), or the at least one spacer (40) is removably inserted between the transverse member (35) and the first side (53).

4. The crusher bucket (1) according to claim 3, wherein, The paired limiting sides (25', 25") include a first limiting side (25') that laterally defines the first seat (25) at a side facing the outlet (8), and the first limiting side (25') is configured to at least partially abut against the second side (54) of the profile member.

5. The crusher bucket (1) according to claim 4, wherein, The second side (54) of the profile member is positioned between the first limiting side (25') of the first seat and the first end (23) of the strut, or the second side (54) of the profile member can be positioned between the first limiting side (25') of the first seat and the first end (23) of the strut.

6. The crusher bucket (1) according to claim 4 or 5, wherein, The second side (54) of the profile member is configured to protrude from the first limiting side (25') of the first seat toward the movable jaw (10) according to the number of spacers (40) inserted between the transverse member (35) and the first side (53) of the profile member, thereby holding the first end (23) of the strut during movement of the movable jaw (10).

7. The crusher bucket (1) according to claim 6, wherein, The first limiting side (25') of the first seat has a recess (55) at the side facing the movable jaw (10), the recess (55) allowing the strut (22) to be inserted between the limiting sides (25', 25") of the first seat during the assembly of the bucket, and the second side (54) of the profile member is configured to protrude from the recess (55) toward the movable jaw (10) according to the number of spacers (40) inserted between the transverse member (35) and the first side (53) of the profile member.

8. The crusher bucket (1) according to claim 7, wherein, The recess (55) is tapered in a direction away from the movable jaw (10), and / or wherein the profile member (52) and the recess (55) extend longitudinally between opposite sidewalls (3) of the frame for a first length (L1) and a second length (L2), respectively, with the first length (L1) exceeding the second length (L2).

9. The crusher bucket (1) according to any one of the preceding claims, wherein, The at least one spacer (40) and the profile member (52) can be removably inserted into the first seat (25) via a first opening (42) constructed on the side wall (3) of the frame.

10. The crusher bucket (1) according to any one of the preceding claims, wherein, The second seat (26) is laterally defined by a pair of corresponding limiting sides (26', 26"), the pair of limiting sides (26', 26") including a corresponding first limiting side (26') that laterally defines the second seat (26) at the side facing the outlet (8), the bucket (1) including a locking device (34) capable of holding the second end (24) of the strut within the second seat (26) during movement of the movable jaw (10), the locking device (34) being removably fixed to the corresponding first limiting side (26') of the second seat, or the locking device (34) being removably fixed to the corresponding first limiting side (26') of the second seat.

11. The crusher bucket (1) according to claim 10, wherein, The locking device (34) is configured such that the corresponding first limiting side (26') of the second seat extends in a direction away from the second seat (26).

Images