Abstract: A wear assembly for securing a wear member to excavating equipment that includes a base having a nose and a wear member having a socket. The nose and socket are each provided with one or more complementary stabilizing surfaces in central portions thereof.

Abstract: A tooth assembly including an adapter and a tooth. The adapter has a nose portion with a first predetermined configuration. The tooth is assembled onto the adapter nose portion by relative longitudinal movement. The tooth defines a blind cavity having a second predetermined configuration and opening to a rear of the tooth. The second predetermined configuration defined by the tooth cavity is greater than the first predetermined configuration defined by the adapter nose portion such that a space is provided between the adapter nose portion and the blind cavity when the adapter and tooth are arranged in operable combination relative to each other. A securement member releasably maintains the tooth and the adapter nose portion in operable combination relative to each other. The securement member fills the space defined between the tooth cavity and the adapter nose portion to resist longitudinal movement between the tooth and the adapter nose portion.

Abstract: An excavator tooth assembly comprises a first wear member and a second wear member. The second wear member is releasably mountable on the first wear member. The first wear member has a lock face. The second wear member also has a lock face. The lock face of the first wear member opposes the lock face of the second wear to define a lock passage therebetween when the second wear member is mounted on the first wear member. The excavator tooth assembly includes a lock pin which is adapted to be received in the lock passage to releasably secure the second wear member to the first wear member.

Abstract: An excavator implement attachment system can include a tooth having a pocket formed therein, an insert received in a recess formed in an adaptor nose and a threaded fastener which releasably secures the tooth on the nose, the fastener having a helical thread formed thereon which is eccentric relative to a fastener body. A tooth can include a pocket with at least one side wall which has an insert-receiving recess and generally planar insert-engaging interface surfaces formed therein, with one interface surface resisting rotation of the tooth about a longitudinal axis in one direction, and another interface surface resisting rotation of the tooth about the longitudinal axis in an opposite direction. An excavator tooth can include a pocket bounded by opposing side walls, with at least one of the side walls having an insert-receiving recess internally formed thereon, whereby the recess receives an insert installed in an adaptor nose.

Abstract: A tooth tip for a ground engaging tool has an elongate body disposed along a longitudinal axis extending from a relatively wide back surface to a relatively narrow front surface. The tooth tip may also have a cavity extending from the back surface towards the front surface and a bottom surface extending between the back surface and the front surface. The bottom surface may include a front face proximate the front surface and a back face proximate the back surface. The front face and the back face may be separated by a ridge. The tooth tip may also include a scallop positioned on the bottom surface extending from a first end proximate the ridge to a second end located towards the front surface.

Abstract: In a wear assembly for securing wear members to excavating equipment, a spool is used with a wedge to hold the wear member in place. The spool is formed with at least one laterally extending arm at its upper end in lieu of an axial arm such as used in a conventional C-shaped spool. In this way, the spool can be easily supported in the assembly as the wedge is installed. The spool does not fall through the opening and no special care is needed to prevent it from falling. The spool also holds itself in place when the wedge is driven into the passage. As a result, installation of the wear assembly is easier and less hazardous. In addition, the lateral support reduces the risk that the spool will suffer spreading.

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: A wear part for a bucket to a loading or digging machine, which bucket has at least one front edge plate with a forwardly directed engagement edge, and the wear part has a forward direction and a rearward direction and is provided with a hook portion for fixing of the wear part to the bucket, and the fastening portion has a spanning surface portion for co-operating in a contact surface area with a clamping surface portion on a fastening unit which is positionable through a hole in the front edge plate. The spanning surface portion extends at an angle against the forward direction such that, in use, when tightening the fastening unit, a force effecting the wear part in the rearward direction will occur. A fastening unit for the wear part and a wear part system, a bucket and a loading or digging machine are also provided.

Abstract: A tooth and adaptor assembly is provided for a dipper bucket. The assembly can have an adaptor having a rear portion for attaching to the dipper bucket, a tooth capable of releasable attachment to the adaptor and a retainer pin for securing the tooth to the adaptor. The adaptor comprises a tapering intermediate portion that narrows to a rectangular front portion, and a wedge portion that extends perpendicularly therefrom. The adaptor further comprises at least one socket cavity for receiving a leg extension having an inwardly pointing hook disposed on the tooth. The tooth has a tip at its front end for digging and a socket at its rear end configured to receive the front and intermediate portions of the adaptor. A passageway is formed between the wedge portion and the leg hook for receiving a retainer pin to secure the tooth to the adaptor.

Abstract: A tool for disassembling an excavation tooth assembly comprising first and second tooth members, the tool comprising: a body comprising a driven portion and first and second legs, the legs extending generally in a common plane and defining an assembly receiving cavity therebetween, each of the first and second legs comprising a wedge portion adjacent the assembly receiving cavity which tapers toward a distal end of the respective leg, in use the tool being adapted to locate over a join defined between the first and second tooth members such that the wedge portion of the first and second legs locates within the join and wherein in use a force applied to the driven portion is arranged to drive the wedge portion further into the join so as to cause separation of the first and second tooth members in a direction transverse to the movement of the first and second legs.

Abstract: A polygonal tool pick formed entirely of a single hard material, including a head, a shoulder extending rearwardly from the head and having an outer dimension at least as large as a largest outer dimension of the head, a shank extending rearwardly from the shoulder and having an outer dimension smaller than the outside dimension of the shoulder, and a tail extending rearwardly from the shank and having an outer dimension larger than the outer dimension of the shank, wherein the head, the shoulder, the shank, and the tail each have a plurality of faces with at least one pair of opposed faces being parallel to each other.

Abstract: Wearing element with enhanced wear resistance related to wearing elements, such as cast steel teeth to be specially used in machinery for earth-moving, ground-engaging and/or rock-loading applications, as well as to inserts to be included within the wearing elements, to enhance their wear resistance thus prolonging their service life.

Abstract: An excavator implement attachment system can include a tooth having a pocket formed therein, an insert received in a recess formed in an adaptor nose and a threaded fastener which releasably secures the tooth on the nose, the fastener having a helical thread formed thereon which is eccentric relative to a fastener body. A tooth can include a pocket with at least one side wall which has an insert-receiving recess and generally planar insert-engaging interface surfaces formed therein, with one interface surface resisting rotation of the tooth about a longitudinal axis in one direction, and another interface surface resisting rotation of the tooth about the longitudinal axis in an opposite direction. An excavator tooth can include a pocket bounded by opposing side walls, with at least one of the side walls having an insert-receiving recess internally formed thereon, whereby the recess receives an insert installed in an adaptor nose.

Abstract: The tooth and adaptor for dredging machines object of the present invention relates to a tooth or wear member which, attached to an adaptor or adaptor member, creates an assembly the purpose of which is to deepen and clean the beds of ports, rivers, channels, etc., removing therefrom sludge, stones, sand, etc., the adaptors being attached to the blades of the propellers and thus forming the cutter head of the dredging machine. The constructive features of the coupling between the tooth and the tooth bar or adaptor allow making better use of the cutting material of the tooth and a simple and quick replacement thereof in the adaptor, between other advantages.

Abstract: A ground engaging tool system comprises a ground engaging tool such as a tip, an adapter mounted to or part of a work tool, and a rotating lock member. The ground engaging tool is attached to the adapter, and a post portion of the adapter slides into a slot provided on the lock. The lock is rotated so that the entrance to the slot is blocked and the post cannot slide out of the slot. The lock in this position is in a locking position, and the retention of the post in the slot of the lock retains the ground engaging tool to the adapter.

Abstract: A wear assembly for excavating equipment which includes a wear member and a base each with upper and lower stabilizing surfaces that are offset and at overlapping depths to reduce the overall depth of the assembly while maintaining high strength and a stable coupling. The nose and socket each includes a generally triangular-shaped front stabilizing end to provide a highly stable front connection between the nose and wear member for both vertical and side loading. The lock is movable between hold and release positions to accommodate replacing of the wear member when needed, and secured to the wear member for shipping and storage purposes.

Abstract: A machine bucket may include a wrapper. The wrapper may form a portion of a receptacle for holding material. The wrapper may include a curved upper portion defining an arc. The curved upper portion may have a central angle value (?U) of between approximately 129.5° and 130.5°. The wrapper may also include a curved lower portion defining an arc. The curved lower portion may have a central angle value (?L) of between approximately 29.5° and 30.5°.

Abstract: The invention relates to a cutting tooth for a trench wall cutter having a tongue-shaped tooth base for reception in a cutting wheel, whereby the tongue-shaped tooth base has a circumferentially surrounding holding groove, and at least one cutter which is arranged at the head-side of the tooth base. Provision is made for the cutting tooth with the tooth base and the cutter to be designed mirror-symmetrically to a plane of symmetry so that at least two opposite arranged cutters are present on the tooth base.

Abstract: A wear member that includes a pair of legs defining a slot straddles the digging edge of a piece of excavating equipment. In one construction, the slot is formed at its front end with a pair of inclined surfaces and a laterally extending ridge that is fit within a complementary channel on the digging edge. A lock is received within an opening in the wear member to releasably secure the wear member to the digging edge.

Abstract: The present invention discloses a composite tooth for working the ground or rocks, said tooth comprising a ferrous alloy at least partially reinforced with titanium carbide according to a defined geometry, in which said reinforced portion comprises an alternating macro-microstructure of millimetric areas concentrated with micrometric globular particles of titanium carbide separated by millimetric areas essentially free of micrometric globular particles of titanium carbide, said areas concentrated with micrometric globular particles of titanium carbide forming a microstructure in which the micrometric interstices between said globular particles are also filled by said ferrous alloy.

Abstract: A single pointed ripper bucket excavation tool (SPRB) for use mounted to an arm of an excavation machine has a body mounted for rotation from the arm and a pair of generally flat, side plates mounted to the body and narrowing from a first width in a region of the body to a second, relatively smaller width at a tip region spaced from the body. A single ripper tooth is mounted in the tip region of the ripper bucket. One or more plates are mounted to span a region between the side plates, rearward of the ripper tooth in a direction of ripping motion, to define, with the side plates, a ripper bucket volume for receiving material ripped from the substrate during ripping motion.

Abstract: A fully stabilized excavator tooth attachment. An excavator tooth includes a nose-receiving pocket bounded by an inner end, upper and lower, and opposing side walls, the end wall having a nose-engaging interface surface formed orthogonal to a longitudinal axis of the tooth, at least one of the side walls having a fastener opening formed therethrough, and each of the upper and lower walls having two spaced apart nose-engaging interface surfaces formed thereon substantially parallel to each other. Another excavator tooth includes side walls having generally planar nose-engaging interface surfaces formed therein, one surface resisting rotation of the tooth about the longitudinal axis in one direction, and another interface surface resisting rotation of the tooth in an opposite direction. An attachment system includes a fastener configured for releasably securing the tooth on the nose, the fastener having a thread which is eccentric relative to a body of the fastener.

Abstract: A tooth system for a tool for earth moving machinery that includes a holder located on the tool and a front tooth portion that is detachably arranged on and in relation to the holder, which tooth portion is in the form of a replaceable wear/replacement part with a rear leg and the holder embodies a cavity designed to receive the leg of the tooth portion. This achieves a unified joint for assimilation of occurring loads via a predetermined connection geometry embodying special, opposite, mutually interacting contact surfaces and clearance surfaces arranged along the tooth portion and holder. The joint includes a multi-armed, preferably cruciform, cross section comprising at least four projection arms and at least four grooves each that interact with each projecting arm. Each projection arms includes a vertically arranged, upper arm, lower heel and two, essentially horizontally and laterally arranged, wing portions, with a tensioning device.

Abstract: The present invention relates to a wear assembly, as well as to the different components thereof, which has 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 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: A wear assembly for excavating equipment which includes a wear member and a base each with upper and lower stabilizing surfaces that are offset and at overlapping depths to reduce the overall depth of the assembly while maintaining high strength and a stable coupling. The nose and socket each includes a generally triangular-shaped front stabilizing end to provide a highly stable front connection between the nose and wear member for both vertical and side loading. The lock is movable between hold and release positions to accommodate replacing of the wear member when needed, and secured to the wear member for shipping and storage purposes.

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 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: In a wear assembly for securing wear members to excavating equipment, a spool is used with a wedge to hold the wear member in place. The spool is formed with at least one laterally extending arm at its upper end in lieu of an axial arm such as used in a conventional C-shaped spool. In this way, the spool can be easily supported in the assembly as the wedge is installed. The spool does not fall through the opening and no special care is needed to prevent it from falling. The spool also holds itself in place when the wedge is driven into the passage. As a result, installation of the wear assembly is easier and less hazardous. In addition, the lateral support reduces the risk that the spool will suffer spreading.

Abstract: A fully stabilized excavator tooth attachment. An excavator tooth includes a nose-receiving pocket bounded by an inner end, upper and lower, and opposing side walls, the end wall having a nose-engaging interface surface formed orthogonal to a longitudinal axis of the tooth, at least one of the side walls having a fastener opening formed therethrough, and each of the upper and lower walls having two spaced apart nose-engaging interface surfaces formed thereon substantially parallel to each other. Another excavator tooth includes side walls having generally planar nose-engaging interface surfaces formed therein, one surface resisting rotation of the tooth about the longitudinal axis in one direction, and another interface surface resisting rotation of the tooth in an opposite direction. An attachment system includes a fastener configured for releasably securing the tooth on the nose, the fastener having a thread which is eccentric relative to a body of the fastener.

Abstract: The invention relates to a cutting tooth for a trench wall cutter having a tongue-shaped tooth base for reception in a cutting wheel, whereby the tongue-shaped tooth base has a circumferentially surrounding holding groove, and at least one cut-ter which is arranged at the head-side of the tooth base. Provision is made for the cutting tooth with the tooth base and the cutter to be designed mirror-symmetrically to a plane of symmetry so that at least two opposite arranged cutters are present on the tooth base.

Abstract: A tooth system (1) for a tool (2) for earth moving machinery (3) is disclosed, which tooth system is of the type embodying a holder (4) located on the tool and a front tooth portion (5) that is detachably arranged on and in relation to the holder, which tooth portion is in the form of a replaceable wear and/or replacement part designed for the actual earth moving (W) and embodies a rear leg and the holder embodies a cavity (14) designed to receive the leg in interaction with the tooth portion and thereby achieve a unified joint (A, B, C, D) for assimilation of occurring loads (Fs, Fc, Fp) via a predetermined connection geometry embodying special, opposite, mutually interacting contact surfaces (15) and, at least initially, clearance surfaces (16) that are arranged along the tooth portion and holder.

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 ripper tooth for use mounted on an excavation tool having a tool body mounted for rotation on an excavation machine arm, the ripper tooth being mounted to the tool body for ripping engagement with a substrate. The ripper tooth has first and at least second portions, each with a tip disposed for ripping engagement with the substrate. The first and second portions are laterally spaced apart generally along the axis of rotation of the tool relative to the arm, and the first and second portions are angularly spaced apart generally in a direction of substrate ripping motion. The first portion is disposed on a first axis and the second portion is disposed on a second axis, the first and second axes being different. Ripper excavation tools with one or more ripper teeth of the disclosure mounted to the tool body are also described.

Abstract: A wear assembly for securing a wear member to excavating equipment that includes a base having a nose and a wear member having a socket. The nose and socket are each provided with one or more complementary stabilizing surfaces in central portions thereof.

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: 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 tooth system (1) for a tool (2) for earth moving machinery (3) is disclosed, which tooth system is of the type embodying a holder (4) located on the tool and a front tooth portion (5) that is detachably arranged on and in relation to the holder, which tooth portion is in the form of a replaceable wear and/or replacement part designed for the actual earth moving (W) and embodies a rear leg and the holder embodies a cavity (14) designed to receive the leg in interaction with the tooth portion and thereby achieve a unified joint (A, B, C, D) for assimilation of occurring loads (Fs, Fc, Fp) via a predetermined connection geometry embodying special, opposite, mutually interacting contact surfaces (15) and, at least initially, clearance surfaces (16) that are arranged along the tooth portion and holder.

Abstract: A tooth system for use in an earthmoving device, includes a tooth and an adapter onto which the tooth is mounted in a detachable fashion, the tooth including a longitudinally extending tooth web, a longitudinally extending tooth base and a longitudinally extending tooth head at a distance from the tooth base, the tooth base and tooth head also extending transversely with respect to the web. The adapter includes an adapter base intended to be fixed onto an earthmoving device, such as onto the teeth bars of a draghead, and an adapter head, a longitudinally extending undercut cavity being defined between the adapter base and the adapter head, wherein the tooth base is slidably fitted within the undercut cavity and wherein the adapter head is slidably fitted between the tooth base and the tooth head for mounting or dismounting the tooth with respect; to the front end of the adapter.

Abstract: An endless chain for cutting and removing spoil from a trench includes a plurality of links pivotally coupled together. A plurality of flight plates are secured to the plurality of links. A pattern of openings extends through each flight plate between the under surface and the outer surface. A plurality of wear plates is positioned over the outer surface of the plurality of flight plates. A plurality of fasteners pass from the under surface of the flight plate through at least some of the pattern of openings in the flight plate and into the wear plate to secure the wear plate to the flight plate. The fasteners securing the wear plates to the flight plates can have outer ends that terminate short of the outer surface of the wear plates in openings in the under surface of the wear plate. Sockets, which include bores receiving cutting elements, can be fixed to the wear plates with a bottom surface of the socket either angled with respect to or flush with the wear plate outer surface.

Abstract: A retainer pin assembly and tooth for an excavation tooth and adaptor assembly is provided. The retainer pin assembly can comprise at least one retainer pin section having a circular longitudinal main body with chamfered leading edges at one end for insertion into a passageway in the adaptor, and a displacement-bearing block having at least one facet disposed at the opposite end. The tooth can comprise at least one opening on a sidewall having one flat vertical bearing surface to correspond to a facet of the displacement-bearing block when a retainer pin section is inserted into the adaptor passageway. Magnets can be disposed on the chamfered ends of a pair of retainer pin sections to urge the retainer pin sections towards one another when inserted in the adaptor passageway.

Abstract: A wear assembly to protect the front edge of an excavating bucket, which is secure, stable, easy to use, readily manufactured, and provides increased safety, and which eliminates any need for holes to be formed in the lip. The wear assembly includes a wear member that has a pair of legs to straddle the front edge of the bucket. One of the legs defines an axial slot, which has opposing grooves for receiving rails of a boss fixed to the bucket. The grooves narrow in a forward direction to permit easier installation and removal of the wear member, to permit use of side wings without interference from adjacent wear parts, and to enable enhanced resistance under some loads.

Abstract: The invention relates to a cutting tooth for a ground working implement, particularly for a cutting wheel of a trench wall cutter, with a dedendum for reception in a holder of the ground working implement and at least one main cutting element for working the soil located at the top on the dedendum. For widening the working cross-section of the main cutting element at least one further reaming element is provided at the top on the dedendum and which, compared with the main cutting element, has a different cutting edge design.

Abstract: A wear assembly for excavating equipment that includes a base, a wear part and an improved locking arrangement that provides improved stability, strength, durability, safety and ease of use. The locking arrangement includes a hammerless lock that is pivotally moved between hold and release positions, wherein the fulcrum is set forward of the bearing surface engaging the wear part. The lock can be manipulated by a threaded member or pry tool. The lock further includes bearing surfaces that enhance stability and reduce wear.

Abstract: An attachment system for connecting a first member such as a lip plate (12) of a mechanical digging device to a second member such as a ground engaging tool (10). The first member has a lug (22) attached thereto, and the second member has a recess (50) which is located about the lug (22). A stabilizing member (98) is located within a slot (57) in the recess. A clamping member (60) is between the lug and the stabilizing member, and includes a resilient portion (90) 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 wear assembly that includes a wear member and a boss to define an opening for receiving a lock forward of the front edge face of the lip which can mount the wear member in a stable and balanced manner without a through-hole in the lip. The wear member includes an aperture and a rib to define bearing faces on opposite sides of a central plane of the lip. The boss includes rails to hold the wear member in place, and a brace at the rear end, which supports the rails on the boss, abuts the rear of the wear member to reduce the loading on the lip, and deflects earthen material away from the wear member under reverse loading.

Abstract: A ground-engaging wear member is releasably retained on an associated support structure by a specially designed hammerless C-clamp and wedge connector system extending through aligned openings in the wear member and support structure. Illustratively, the wear member is an adapter, and the support structure is a bucket lip.

Abstract: The invention relates to a tip assembly for earth moving machinery, comprising a tip (11) having a pocket (12) open at the back, said tip exhibiting a hole (16) for seating a locking key, an adapter (41) having a nose (42) that geometrically couples with said pocket (12), said nose being crossed by a seat (43) for seating the locking key, and a locking key (61) inserted in said hole in the tip and in said seat in the adapter for locking the tip to the adapter. At least one surface of the nose exhibits a lowered or recessed zone obtained around the seat for the locking key. At least the wall of the pocket facing said surface of the nose internally exhibits a relief complementary to said lowered or recessed zone. In this way, the coupling between the tip and the adapter is made stronger by the interaction between at least two respective facing surfaces.

Abstract: An adapter for use in mounting a cutting tooth onto a mounting block. The adapter has two opposed sides with a first groove on one side for receiving a leading portion of the mounting block and a second groove on the other side opposite the one side for receiving a portion of the cutting tooth. The first and second grooves are aligned. The adapter has a fastening hole there through in the grooves, the hole transverse to the sides of the adapter. The fastening hole is used in fastening the tooth to the mounting block with the adapter sandwiched between the tooth and mounting block.

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 wear assembly for attaching to a digging edge of an excavator includes a boss, a wear member and a lock. The boss is fixed to the excavator and defines a T-shaped coupling structure. The adapter includes a rearwardly extending mounting leg and a forwardly extending working end. The leg includes a T-shaped slot adapted to be received over the T-shaped structure of the boss. The adapter leg further includes an opening for receiving a lock. The lock includes an adjustment assembly for eliminating any looseness which may exist between the adapter and the boss.