Abstract: A component for a track-type machine comprises a body, a through-bore extending through the body forming an inner wall, and a bushing located in the through-bore. The bushing comprises a bearing surface, an outer surface engaging the inner wall, a flange extending from the outer surface and extending into the inner wall, and retention features located in the outer surface proximate the flange. The retention features comprise voids in the bushing filled-in by material of the body. Methods of manufacturing a component for a track-type system comprises casting-in-place a bushing with a flange and retention features into the component.

Abstract: An adapter includes a first leg, a second leg, and a throat portion that define a slot defining a direction of assembly onto a work implement assembly, a lateral direction that is perpendicular to the direction of assembly, and a vertical direction that is perpendicular to the direction of assembly and the lateral direction. The throat portion further includes a first throat side surface disposed along the lateral direction and a second throat side surface disposed on the opposite side of the throat portion along the lateral direction. The first throat side surface defines a first adapter cover receiving recess.

Abstract: An adapter includes a first leg, a second leg, and a throat portion at least partially define a slot that defines a projection at the closed end of the slot that includes a flat middle portion straddled laterally by a first arcuate portion and a second arcuate portion, defining a lateral middle portion width. A projection protruding distance is measured along the direction of assembly from the closed end of the slot to the flat middle portion. The projection protruding distance ranges from 0.8 to 1.2 multiplied by the lateral middle portion width.

Abstract: The invention relates to a method of fixing a wear element (2) on the front edge of a support (1) using fixing means, where the wear element (2) comprises two arms (3) with first through openings (4) and the support (1) has a second through opening (5) sandwiched between the first through openings (4). The fixing means comprise a C-shaped first body (6), a wedge (14), ratchet means (24) between both and a second body (8), which are housed in the openings in an assembled position. The method consists of positioning the first body (6) and the second body (8) in the openings, inserting the wedge (14) between both, positioning a screw (21) between the wedge (14) and the second body (8) and screwing it in such a way that the wedge (14) moves with respect to the second body (8) and the first body (6) until the wedge (14) reaches its assembled position, and at least partially unscrewing the screw (21) and removing the screw (21) from the fixing means.

Abstract: A load sharing block includes a body including a flat outer surface defining a first end and a second end, a first arcuate outer portion extending from the first end of the flat outer surface, and a second arcuate outer portion extending from the second end of the flat outer surface. The first arcuate outer portion terminates at a first free end and includes a first elliptical outer surface extending from the first free end.

Abstract: A lock assembly for an excavator wear assembly, the lock assembly a locking pin having at least one dowel extending outwardly therefrom. The lock assembly also includes a retaining member having a seat and a cavity and a biasing member located within the cavity of the retaining member. The biasing member is adapted to exert a biasing force on the dowel to releasably retain the dowel within the seat of the retaining member.

Abstract: An adapter cover includes a shell body including an exterior surface, an interior surface, and defining a vertical direction, a horizontal direction, and a vertical plane, a front face portion defining a thru-hole, a top leg extending horizontally from the front face portion and defining an adapter key receiving recess on the interior surface and a top leg side portion defining a concave arcuate portion extending rearward from the front face portion, a convex arcuate portion extending horizontally from the concave arcuate portion, terminating in a vertical rear surface, and a bottom leg extending horizontally from the front face portion.

Abstract: A shroud collar for protecting an edge of a work tool is disclosed. The shroud collar may have a first side plate. The first side plate may have a first lower leg and a first upper leg spaced apart from the first lower leg. The shroud collar may have a second side plate spaced apart from the first plate. The second side plate may have a second lower leg and a second upper leg spaced apart from the second lower leg. The shroud collar may also have an upper crossbar connected to the first side plate and the second side plate. The upper crossbar may be configured to be connectable to the work tool.

Abstract: Provided is a bucket tooth of an excavator which is capable of raising a fastening force between a tooth adapter and a tooth point, and facilitating assembling and disassembling operations. The bucket tooth of an excavator, includes: a tooth adapter including an adapter body having an insert integrally protruding from a front end thereof and a mounting part formed at a rear end thereof, the mounting part being mounted on a bucket of the excavator; and a tooth point including an excavation part integrally protruding from a front end of a point body and used for excavating a ground surface, the point body having an insert groove into which the insert of the tooth adapter is inserted.

Abstract: Disclosed are various exemplary embodiments of a ground engaging tool. The tool may have an engagement end. The tool may also have a mounting end opposite the engagement end along a longitudinal axis of the tool. The mounting end may have a first mounting leg. The mounting end may also have a second mounting leg, which may have a mounting surface facing the first mounting leg. The second mounting leg may define a cavity in the tool accessible only through an opening in the mounting surface.

Abstract: An excavation tooth lock assembly to lock a first tooth member to a second tooth member, the first tooth member having a body that incorporates a socket which is configured to receive a nose portion of the second tooth member, a locking space provided when the second tooth member is received in the first tooth member, wherein the lock assembly comprises: a lock comprising a body which is configured to be inserted into the locking space including by rotating the body into an operative position to lock the first tooth member to the second tooth member and interengaging elements disposed on the lock and one or both of the first and second tooth members, the elements configured to releaseably retain the lock within the locking space in its operative position.

Abstract: A rotatable connection between a first component and a second component, the rotatable connection comprising: a first connecting piece composed of metal and which is to penetrate the first component over at least the entire thickness of the first component, in which at an end facing the second component, the first connecting piece is welded to the second component.

Abstract: A lock assembly includes a compressible base. The compressible base includes a front face and a back face. The front face and the back face may each have a noncircular shape. The lock assembly includes a rigid latch member extending from the front face of the compressible base. The latch member includes a ramp extending away from the front face. The ramp may have a low end and an elevated end, the elevated end extending further away from the front face than the low end. The latch member includes a tool engaging feature extending into the ramp.

Abstract: Disclosed are various exemplary embodiments of a retainer system for a ground engaging tool. In one exemplary embodiment, the retainer system may include a lock having a lock rotation axis and including an outer surface extending about the lock rotation axis. The retainer system may also include a retainer bushing including an inner surface extending about the lock rotation axis, where the inner surface is configured to rotatably receive the outer surface of the lock. The outer surface of the lock and the inner surface of the retainer bushing may be aligned substantially parallel to the lock rotation axis.

Abstract: A shroud for a work tool is disclosed. The shroud may have a tip portion. The tip portion may have a tip extending from a shroud proximal end to a tip end disposed between the shroud proximal end and a shroud distal end. The tip portion may further have an upper leg extending from the tip end to an upper leg distal end. The tip portion may also have a lower leg extending from the tip end to a lower leg distal end. The lower leg may be spaced apart from the upper leg to form an opening between the upper leg and the lower leg. The shroud may have an attachment portion attached to the upper leg. The attachment portion may extend from adjacent the tip end to the shroud distal end.

Abstract: A shroud retention system for a work tool is disclosed. The shroud retention system may have an adapter attached to the work tool. The shroud retention system may further have a spring assembly attached to the adapter. The shroud retention system may also have a shroud, which may have a channel configured to slidably receive the adapter and the spring assembly. The channel may have a retainer slot. The shroud retention system may have a retainer plate disposed in the retainer slot. The retainer plate may be movable into a locked position by the spring assembly.

Abstract: A flex pin includes a compressible member disposed between first and second rigid members configured to be installed in a tooth and shank assembly. The first rigid member includes a locking recess defined by a front wall, a locking major surface, and a back gradation defining at least one step. At least one of the first or second rigid members includes a bonding recess configured to receive a portion of the compressible member.

Abstract: An excavator wear assembly comprising a mounting nose having a rear bearing face, a forward bearing face, an upper bearing face disposed at an angle between the rear bearing face and the forward bearing face, a front face substantially perpendicular to the forward bearing face and a rib extending over at least part of the upper bearing face, forward bearing face and front face; and a wear member having a rearwardly opening socket adapted to receive the mounting nose, the socket being at least partially defined by a top wall and a front wall, the wear member having a recess formed in the top wall and front wall adapted to receive at least part of the rib.

Abstract: Disclosed are various exemplary embodiments of a lock for a ground engaging tool. In one exemplary embodiment, the lock may include an upper portion having a tool interface configured to receive a tool for applying torque about a lock rotation axis, a lower portion including a base located opposite the tool interface along the lock rotation axis, and an insert layer positioned between the upper portion and lower portion. The insert layer may be configured to allow the upper portion to move relative to the lower portion without shearing when torque is applied to the tool interface of the upper portion.

Abstract: The connector assembly is used in securing a wear member to a support structure of the earth working bucket in an engaged position in which corresponding apertures of the wear member and the support structure are aligned and form a connector passage. The connector assembly is engaged into the connector passage and comprises: an endless screw extending in the connector passage and having an externally operable head, abutment portions facing opposite walls of the connector passage, and a movement transfer mechanism operable to transform rotary movement of the endless screw into a transversal movement of one abutment portion relative the other, to push the abutment portions against corresponding opposite walls of the connector passage.

Abstract: A lock for an excavation tooth assembly, the lock comprising: a body; first and second engaging portions mounted to the body and movable between respective first and second positions; wherein the engaging portions being interdependent so that movement of at least one of the first and second engaging portions causes a corresponding movement of the other of the first and second engaging portions.

Abstract: A removable device for attaching two mechanical parts includes a pin removably locking a first part with respect to a second part, a retainer member on the pin and a resiliently loaded tension member which collaborate to prevent the pin from coming out of its locked position; the removable device further includes at least two inclined surfaces, the general shape of which is that of a projection oriented in the axial direction of the pin, such that when the pin rotates, the retainer member runs along the inclined surfaces and the pin moves between the locked position and unlocked position against a force exerted on the pin along a longitudinal axial direction of the pin exerted by the tension member.

Abstract: A mechanical system includes a support, a wearing part and a device for interconnecting them. The support includes two openings on either side of a housing for receiving the device. The device includes a threaded key, a nut, and an elastic sheath having a wall adjustable by deformation. Each opening includes a first part centered on a central axis of the housing and radially extending by a maximum of 180° around the central axis, and a second part connected to the first part and radially staggered in relation to the central axis. In the insertion configuration, the device passes through the second part and does not exert any locking force on the wearing part. In the locking configuration, the axis of the key is essentially aligned with the central axis, the sheath wall is adjusted in the housing and the device exerts locking forces on the wearing part.

Abstract: A mechanical system (1) includes a support (10), a tooth (20) and a device (30) for interconnecting the two components. The device (30) includes a key (50), a nut (60) and an elastic sheath (40) provided with a wall that is adjustable by deformation in a housing (14) of the support, by screwing between the key and the nut, between an insertion configuration and a locking configuration. The device (30) also includes a support ring (70) inserted between the key and an opening (24) made in the tooth (20). In the insertion configuration of the device (30), the support ring (70) is adjusted in the opening (24), while in the locking configuration of the device (30), the support ring (70) exerts retaining forces on the tooth (20). A heavy-construction machine bucket (G) including such a system (1), and a method for implementing such a system are also described.

Abstract: The present invention provides a protective shroud assembly for use on a wear edge of earthmoving machinery. The shroud assembly comprises a shroud adapted to be received with respect to the wear edge. The shroud has a wear region at a second end thereof which is adapted to engage the earth as the wear edge moves therethrough. The shroud assembly also comprises a locking means having a portion which is rotatably received in the shroud such that the shroud is releasably secured with respect to the wear edge when the locking means is in a locked position.

Abstract: A threadless, hammerless self-aligning geometric device for ground engagement, the device may comprise a wedge mechanism having a pair of laterally spaced holes in a first and second sidewall with a semi-flexible buffer that connects a plurality of load bearings that are axially aligned within the center of the wedge mechanism, wherein a pin that is formed integrally with an indentation is disposed in a rectangular mechanism having a recess with a pair of laterally spaced holes in a first and second sidewall so when fastened by the pin, the laterally spaced holes, the wedge mechanism and the recess are in substantial axial alignment, the pin being held in place by a mechanical fit between the pin and a knob.

Abstract: A connection for firmly securing an adapter for detachably carrying a replaceable digging tooth at its front end to a lip of an excavating container of excavating equipment. The adapter has an upper leg and a lower leg located proximate respective upper and lower surfaces of the lip. The connection has substantially aligned openings in the legs and the lip, and engagement sections of the adapter legs traverse the opening in the lip proximate and forward of an aft end thereof. A pressure applying unit, such as a hydraulic actuator, is arranged inside the opening and generates a generally horizontally acting force which draws the adapter and the lip towards each other. A stress member, which can be a C-clamp, is operatively coupled to the hydraulic actuator and resiliently deforms relative to its relaxed shape when it is subjected to the horizontally acting force.

Abstract: An attachment system for connecting a first member such as a lip plate of a mechanical digging device to a second member such as a ground engaging tool. The first member has a lug attached thereto, and the second member has a recess which is located about the lug A stabilizing member is located within a slot in the recess. A clamping member is between the lug and the stabilizing member, and includes a resilient portion such as a compression spring. A compressive force supplied to the resilient portion restricts the movement of the second member relative to the lug.

Abstract: A lock for an excavation tooth assembly, the lock comprising: a body; first and second engaging portions mounted to the body and movable between respective first and second positions; wherein the engaging portions being interdependent so that movement of at least one of the first and second engaging portions causes a corresponding movement of the other of the first and second engaging portions.

Abstract: A wear member assembly for a lip of an earth excavating device comprises a first wear member, a second wear member and a retaining pin. The first wear member is mounted to the lip. The first wear member includes a boss extending outwardly from one of its opposite sides. The second wear member is mounted adjacent the first wear member. The second wear member includes a socket in one of its sides. The socket is adapted to receive the boss of the first wear member. The second wear member includes a retaining pin passage in communication with the socket. The retaining pin is removably located in the retaining pin passage. The retaining pin has a first bearing face adapted to oppose and engage a face of the boss received in the socket and a second bearing face which bears against a load bearing face of the retaining pin passage.

Abstract: An anchor for a wear assembly on an excavating bucket is disclosed. The excavator bucket lip has a base having a nose, and the wear assembly includes a wear member having a cavity in which the nose can be received, and an aperture extending between an outside surface of the wear member and the cavity, an internally toothed ring being located within the aperture; and a lock for releasably holding the wear member to the base. The lock includes an operable member and an externally toothed resilient ring, the resilient ring having a central aperture for engagement with the operable member. The operable member and resilient ring are jointly rotatable relative to the cavity and the internally toothed ring between a plurality of rotationally spaced locking positions where the lock secures the wear member to the base with varying tightness, and a release position rotationally spaced from the locking positions.

Abstract: A lock that includes a wedge that is used to releasably secure separable components of an assembly together. The wedge can be used with a spool. The wedge and spool are threadedly coupled together to drive the wedge into and out of an opening in the assembly without hammering or prying. The direct coupling of the wedge and spool eliminates the need for bolts, washers, nuts and other hardware so as to minimize the number of parts. As a result, the lock is inexpensive to make, easy to use, and unlikely to become inoperative because of lost or broken parts or due to fines or other difficulties encountered in harsh digging environments. Further, the wedge can be driven into the assembly to provide the degree of tightness necessary for the intended operation and/or to re-tighten the assembly after incurring wear during use. A latch assembly is preferably provided to securely hold the wedge in place and avoid an undesired loss of parts during use.

Abstract: There is disclosed a pair of components which, in the embodiment described, are a tooth (2) and adaptor (3) for earth-moving apparatus (1). The adaptor is for mounting the tooth on an earth-moving bucket, this mounting being releasable to allow replacement of the tooth when worn. The components define aligned passages (11) through which a locking pin (12) extends to retain the components together. The locking pin has formations (22) for engaging formations (20) on the first component when the pin is rotated from a free position into a locked position. The pin has an insertion recess (27) which is aligned with the formations (20) allowing the pin, in the free position, to be inserted into, or removed from, the aligned passages. The formations (20) are resiliently movable to stably engage the pin when in the locked position.

Abstract: A lock that includes a wedge that is used to releasably secure separable components of an assembly together. The wedge can be used with a spool. The wedge and spool are threadedly coupled together to drive the wedge into and out of an opening in the assembly without hammering or prying. The direct coupling of the wedge and spool eliminates the need for bolts, washers, nuts and other hardware so as to minimize the number of parts. As a result, the lock is inexpensive to make, easy to use, and unlikely to become inoperative because of lost or broken parts or due to fines or other difficulties encountered in harsh digging environments. Further, the wedge can be driven into the assembly to provide the degree of tightness necessary for the intended operation and/or to re-tighten the assembly after incurring wear during use. A latch assembly is preferably provided to securely hold the wedge in place and avoid an undesired loss of parts during use.

Abstract: A one-piece digging tooth having a socket opening to a rear end of the tooth for receiving and accommodating at least a lengthwise portion of a nose portion of an adapter extending forward from earth working equipment. The digging tooth has a top surface and a bottom surface which angularly diverge from each other between a forward end and the rear end of the tooth and two side surfaces. The tooth further includes a longitudinally elongated and centrally disposed tine with another longitudinally elongated tine outwardly cantilevered from and disposed to opposite lateral sides of and extending generally parallel to the central tine. To enhance their penetration capability, a width and thickness of all the tines constantly diminishes as the tines longitudinally extend toward the forward edge of the tooth.

Abstract: A removable device for attaching two mechanical parts includes a pin removably locking a first part with respect to a second part, a retainer member on the pin and a resiliently loaded tension member which collaborate to prevent the pin from coming out of its locked position; the removable device further includes at least two inclined surfaces, the general shape of which is that of a projection oriented in the axial direction of the pin, such that when the pin rotates, the retainer member runs along the inclined surfaces and the pin moves between the locked position and unlocked position against a force exerted on the pin along a longitudinal axial direction of the pin exerted by the tension member.

Abstract: A removable device for attaching two mechanical parts includes a pin removably locking a first part with respect to a second part, a retainer member on the pin and a resiliently loaded tension member which collaborate to prevent the pin from coming out of its locked position; the removable device further includes at least two inclined surfaces, the general shape of which is that of a projection oriented in the axial direction of the pin, such that when the pin rotates, the retainer member runs along the inclined surfaces and the pin moves between the locked position and unlocked position against a force exerted on the pin along a longitudinal axial direction of the pin exerted by the tension member.

Abstract: The invention relates to a wearing parts system (1) intended for the tool of a tilling machine of the type which comprises a holder part (3), having a front end part (8), and an exchangeable wearing and/or replacement part (2), arranged over this end part and comprising a hood-shaped (6) hollow (7) which, when the wearing part (2) is fitted in place, is designed to grip over the end part and is fixed thereto by means of at least one locking device (27) placed through interacting openings (28), the end part and the hollow having front, rear and collateral contact zones (9, 22, 23), each comprising contact faces (10, 25, 26), disposed one on the holder part and one on the wearing part, for the absorption of acting vertical, horizontal and collateral forces Fx, Fy and Fz.

Abstract: A device for connecting a wear part to a support thereof on materials handling equipment for public works machines, comprises a key placed in an axial alignment with regard to an elastically deformable sleeve placed in part of an adapter. The key has a key foot and a key head on either side and opposite ends of a body. The key head is arranged with a part forming an off-centered seat. The key foot comprises an anchoring element for temporarily penetrating into the elastically deformable sleeve. Rotation of the key causes its misalignment with regard to its initial axis and the tight securing of the key, either in the sleeve by anchoring, or against metal parts of the tooth and of the adapter on differentiated support zones.

Abstract: A coupling arrangement for securing two separable components in an excavating operation includes a wear component, a base component and a lock. The lock has a body having a configuration adapted to be received in a hole in the base component, and a rotatable locking member. The locking member includes a flange that is movable between a locking position wherein the flange holds the lock in the assembly and a release position wherein the flange permits the lock to be removed from the assembly. In the release position, the flange sets within the axial extension of the outline of the body. In the locking position, at least part of the flange sets outside the axial extension of the outline of the body. In one construction, the rotation of the locking member to the locking position tightens the fit of the wear component on the base component.

Abstract: A wear assembly for excavating equipment includes a base fixed to the excavating equipment, a wear member fit over the base, and a lock to releasably hold the wear member to the base. The wear member includes side relief to reduce drag on the system. The wear member and the base each includes a hemispherical front end and a generally trapezoidal rear portion. The base includes a nose and a stop projecting from the nose to cooperate with the lock without an opening being needed to receive the lock into the nose. The lock is an elongate lock positioned generally in an axial direction and which holds the wear member to the base under compressive loads.

Abstract: An excavation retention assembly is provided for mounting a tooth to an excavating apparatus. The assembly in one embodiment includes a tooth and an adaptor end of a working member of an excavating apparatus. The tooth includes a cavity for mating with an end of the adaptor, an opening for receiving a fastening member and a fastening receptacle in the cavity opposite the opening in the tooth for receiving the fastening member. The adaptor includes a passage which aligns with the opening in the tooth and the fastening member. The fastening member passes through the aligned opening of the tooth, the passage of the adaptor and into the fastening receptacle for securing the tooth to the adaptor.

Abstract: A lateral pin type tooth point structure for working machine bucket with which rust will not be generated in the critical portions of the lateral pin; there is no need for using a special tool for removing the pin as is required with the prior art, i.e., pin removal can be made simply and easily simply by using an ordinal tool; the need for making a hammering operation in pin removal as is required with the prior art is eliminated, which gives excellency in terms of securing the safety of operator; and the lateral pin body head portion and the set bolt head portion can be protected against damage due to the contact with the soil, and the like, at the time of ground excavation by the working machine bucket.

Abstract: A wear assembly for protecting the digging edge of a bucket which includes a wear member having a lock-receiving hole in one leg and an upstanding rib along the other leg. The rib extends axially along the leg to be received into a slot in a base fixed to the lip of the bucket. The rib has a rear end that engages the base to hold the rear end of the rib between the base and the lip. The wear member further includes an interior surface that has a front portion formed with a curve to wrap around the digging edge and a plurality of stabilizing surfaces. The lock has a latch and a threaded wedge received into the passage to move the latch to its holding position to maintain the lock in the assembly during use.

Abstract: Abstract A tooth and adaptor assembly (11) for use on earthmoving machinery, the assembly comprising an adaptor (21) adapted to be secured to a bucket or like component on the earthmoving machinery. The adaptor (21) comprising a nose (27) having an at least one sidewall (35) incorporating a first channel (37) and a second channel (39) angled relative to each other. The assembly (11) also a tooth (41) adapted to be received on the adaptor (41) and releasably secured thereto. The tooth comprises a socket (43) having sidewalls (53). At least one sidewall (53) incorporates a third channel (55) at an angle complementary to the second channel (39), such that when assembled the two channels (39, 55) co-operate to define an enclosure (91). An upper wall (49 of the socket (43) has at least one aperture (57) therethrough, and which is aligned with the third channel (55). The assembly (11) further comprises at least one locking mechanism (71) for locking the tooth (41) to the adaptor (21).

Abstract: A releasable auger tooth for an auger includes a slot shaped to fit a U-shaped or substantially U-shaped recess of a tooth holder element, and a tooth channel shaped to receive at least part of a shock-absorbing element and/or a wedging element. A holder element and assemblies are also provided.

Abstract: A wear assembly for protecting the digging edge of a bucket which includes a wear member having a lock-receiving hole in one leg and an upstanding rib along the other leg. The rib extends axially along the leg to be received into a slot in a base fixed to the lip of the bucket. The rib has a rear end that engages the base to hold the rear end of the rib between the base and the lip. The wear member further includes an interior surface that has a front portion formed with a curve to wrap around the digging edge and a plurality of stabilizing surfaces. The lock has a latch and a threaded wedge received into the passage to move the latch to its holding position to maintain the lock in the assembly during use.

Abstract: The present invention relates to a wear assembly, as well as to the different components thereof, which comprises a wear member or tooth and an adaptor member or tooth bar for wear applications in a machine for moving materials such as earth and stones. The invention contemplates a wear assembly and particularly a coupling system between the different components to one another by means of a characteristic coupling system and at least one retention system assuring the coupling and anchor between the different components, specifically between the wear member and adaptor, the latter in turn being joined to the blade of a bucket or scoop of a machine for moving materials, such as an excavator or the like.

Abstract: Telescoped excavating support and wear members are releasably retained in their telescoped relationship by a connector pin assembly removably received in aligned connector openings in the members. A body portion of the pin assembly blocks removal of the wear member from the support member, and a lock member portion of the assembly is rotatable relative to the body, toward and away from a locking orientation, to releasably lock the body within the connector openings. A resilient detent member carried by the lock member slidingly and deformably engages a polygonally shaped interior side surface section of a body passage that rotatably receives the lock member, the detent member yieldingly resisting rotational movement of the lock member away from its locking orientation.

Abstract: A coupling arrangement for securing two separable components in an excavating operation includes a wear component, a base component and a lock. The lock has a body having a configuration adapted to be received in a hole in the base component, and a rotatable locking member. The locking member includes a flange that is movable between a locking position wherein the flange holds the lock in the assembly and a release position wherein the flange permits the lock to be removed from the assembly. In the release position, the flange sets within the axial extension of the outline of the body. In the locking position, at least part of the flange sets outside the axial extension of the outline of the body. In one construction, the rotation of the locking member to the locking position tightens the fit of the wear component on the base component.