Abstract: A tooth for attachment to the lip of a bucket of a working machine via an adaptor, having a cavity for receiving a portion of the adaptor, the cavity extending between first and second opposed outer working surfaces (12, 14) from an open end (104) to a bottom end (105); the cavity (103) delimited by an inner wall (102) having first and second facing inner walls (106, 107), and opposing side walls (108), interconnecting the first and second inner walls (106, 107). The cavity defines a back portion (BP) along the Y axis and between the plane spanned by the X and Z axes and the open end of the cavity, a front portion (FP) along the Y axis and between the plane spanned by the X and Z axes and the bottom end of the cavity; and a stepped portion (SP), interconnecting the back portion and the front portion.

Abstract: The present invention relates to a fixing device for fixing a wear or protection element on a bucket of an earth moving machine, comprising: a base with a housing with a front wall and a rear wall with a through hole, a stop with a lower part housed in the housing, a screw having a head going through the hole and having an end thereof fixed to the stop and a partially compressed elastic device arranged between the screw and the hole. When the elastic device is fully compressed it has a length of L0. In a mounted position, the stop has a front face opposite the front wall, where the distance between both is D1 and the distance between the head and the hole has a value of D2, and the condition of D2?L0>D1 is met in the mounted position.

Abstract: The present disclosure relates to a tooth (1) for attachment to the lip of a bucket of a working machine, such as an excavator or loader, via an adaptor, the tooth (1) comprising a cavity (103) for receiving a portion of said adaptor, the cavity (103) extending between said first and second opposed outer working surfaces (12, 14) from an open end (104), at said attachment end of the tooth, to a bottom end (105); the cavity (103) being delimited by an inner wall (102); said inner wall (102) comprising first and second internally facing inner walls (106, 107), being the internal surfaces associated with said first outer working surface and said second working outer surface (12,14), respectively, and opposing side walls (108), interconnecting said first and second inner walls (106, 107), the cavity defining a back portion (BP) extending along the Y axis, the back portion being at least partially located between the plane spanned by the X and Z axis and the open end (104) of the cavity, a front portion (FP) exte

Abstract: A locking device for securing a wear element in a support in an earth moving machine, comprising a central shaft with a first right hand threaded segment and a second left hand threaded segment, locking elements screwed onto the threaded segments and screwing means at the ends of the central shaft and accessible from the outside through the locking elements. Both threaded segments are attached to one another by coupling means that are suitable for transmitting rotational movement between both threaded segments. The coupling means comprise a disc with two faces, each of them opposite one end of the threaded segments. Between each of the faces and the end of the threaded segment there is a tongue and groove extending to a first diameter and a second diameter, respectively, such that the disc and the threaded segments are suitable for moving with respect to one another.

Abstract: An adaptor for attaching a tooth to the arm of a cutter head. The adaptor having a rear coupling end and a front coupling end with a main cavity. The main cavity has a first upper surface, a first lower surface and two joining side surfaces. Each side surface has a side groove with a second upper surface parallel to a second lower surface. The second upper surface is approximately parallel to a lower segment adjacent to the bottom end on the first lower surface and the second lower surface of the side grooves is approximately parallel to an upper segment adjacent to the bottom end on the first upper surface. A distance between the second upper surface and the second lower surface of each groove is smaller than a distance between the upper segment and the lower segment of the main cavity.

Abstract: The present invention relates to a female part, a retaining device and a pin system comprising said device, said female part and a male part, to assure the retention between the female part and a male part used in excavators and the like. The female part has a cavity and can be a wearing element, a tooth or an intermediate part (part between a point and a weld on or cast nose in a three part system) and the male part has a nose to be introduced into the cavity of the female part and this will usually be a tooth-holder, intermediate, cast nose, weld-on nose or an adapter.

Abstract: A retaining device, a retaining system between a female part and a male part, and a female part and male part to assure retention between a wear element or tooth and an adaptor element or tooth bar used in excavators and the like. The female part, which can be a wear element or tooth, or an adaptor element or tooth bar, has, auto-fixed thereto, a retaining device which participates in the coupling with a pin of the female part with a male part, and prevents the pin from coming out of its blocking position, maintaining the fixing between the two parts, i.e., male part and female part. The coupling between both parts is detachable, allows removing the pin from the coupling and replacing the female part or male part together with the retaining device. The retaining device is formed by one or more attached tightening elements.

Abstract: The tooth and adaptor for dredging machines. The tooth, attached to an adaptor, creates an assembly to deepen and clean the beds of ports, rivers, channels, etc., removing therefrom sludge, stones, sand, etc. The adaptor when attached to the blades forms the cutter head of the dredging machine. The constructive features of the coupling between the tooth and the adaptor allow improved stability between both elements, among other advantages.

Abstract: A tooth for attachment to a cutter head arm. The tooth has a front wear part and a rear coupling part, the rear coupling part having a main body with a rear free end and a forward end. The main body has a first upper surface, a first lower surface and two side surfaces joining both upper and lower surfaces, with the distance between the first upper surface and first lower surface decreasing towards the rear free end, side projections, and upper and lower segments. Each side surface has a side projection with a second upper surface parallel to a second lower surface, the second upper surface approximately parallel to a lower segment, and the second lower surface approximately parallel to an upper segment. The distance between the second upper surface and the second lower surfaces is smaller than the distance between the upper segment and the lower segment.

Abstract: Locking devices and components for wear assemblies for securing a wear part to the blade or lip of an excavator. The wear part will usually be a tooth adaptor, and when placed on the blade both parts determine a channel where the locking device is placed. The locking device will usually include a C-clamp member for mounting in the rearward of the channel, a front structure to engage to the frontward of the channel and a wedge structure placed between the C-clamp member and the front structure.

Abstract: The present invention relates to a fixing device for fixing a wear or protection element on a bucket of an earth moving machine, comprising: a base with a housing with a front wall and a rear wall with a through hole, a stop, with a lower part housed in the housing, a screw going through the hole and having an end thereof fixed to the stop, partially compressed elastic means arranged between the screw and the hole. When the elastic means are fully compressed, they have a length L0. In a mounted position, the stop has a front face opposite the front wall, where the distance between both is D1 and the distance between said head and said hole has a value D2, and the condition D2?L0>D1 is met in the mounted position.

Abstract: A wear assembly of an earth-moving machine's bucket comprises a male part and a female part both of which comprises a nose (male part) or cavity (female part) with an upper contact surface and a lower contact surface. The upper contact surface comprises an upper front contact portion that extends backward from the tip of the nose or the bottom of the cavity and the lower contact surface comprises a lower front contact portion that extends likewise, one of the upper and lower front contact portions being concave and the other being convex. Analogously, the upper contact surface comprises an upper back contact portion that extends forward from the base of the nose or the mouth of the cavity, and the lower contact surface comprises a lower back contact portion that extends likewise, one of the upper and lower back contact portions being concave and the other being convex.

Abstract: The tooth and adaptor for dredging machines object of the present invention relates to a tooth which, attached to an adaptor, 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 thus forming the cutter head of the dredging machine. The constructive features of the coupling between the tooth and the adaptor allow a great stability between both elements, among other advantages.

Abstract: A tooth for attachment to the lip of a bucket of a working machine via an adaptor, having a cavity for receiving a portion of the adaptor, the cavity extending between first and second opposed outer working surfaces (12, 14) from an open end (104) to a bottom end (105); the cavity (103) delimited by an inner wall (102) having first and second facing inner walls (106, 107), and opposing side walls (108), interconnecting the first and second inner walls (106, 107). The cavity defines a back portion (BP) along the Y axis and between the plane spanned by the X and Z axes and the open end of the cavity, a front portion (FP) along the Y axis and between the plane spanned by the X and Z axes and the bottom end of the cavity; and a stepped portion (SP), interconnecting the back portion and the front portion.

Abstract: The present disclosure relates to a tooth (1) for attachment to the lip of a bucket of a working machine, such as an excavator or loader, via an adaptor, the tooth (1) comprising a cavity (103) for receiving a portion of said adaptor, the cavity (103) extending between said first and second opposed outer working surfaces (12, 14) from an open end (104), at said attachment end of the tooth, to a bottom end (105); the cavity (103) being delimited by an inner wall (102); said inner wall (102) comprising first and second internally facing inner walls (106, 107), being the internal surfaces associated with said first outer working surface and said second working outer surface (12,14), respectively, and opposing side walls (108), interconnecting said first and second inner walls (106, 107), the cavity defining a back portion (BP) extending along the Y axis, the back portion being at least partially located between the plane spanned by the X and Z axis and the open end (104) of the cavity, a front portion (FP) exte

Abstract: The invention relates to a retaining device, a retaining system between a female part and a male part, and a female part and male part to assure the retention between a wear element or tooth and an adaptor element or tooth bar used in excavators and the like. The female part, which can be a wear clement or tooth, or an adaptor element or tooth bar, comprises, auto-fixed thereto, a retaining device which participates in the coupling with a pin of the female part with a male part, and prevents the pin from coming out of its blocking position, maintaining the fixing between the two parts, i.e., male part and female part. The coupling between both parts is detachable, allows removing the pin from the coupling and replacing the female part or male part together with the retaining device.

Abstract: Locking devices and components for wear assemblies for securing a wear part to the blade or lip of an excavator. Said wear part will usually be a teeth adaptor, and when placed on the blade both parts determine a channel where the locking device is placed. Said locking device will usually comprise a C-clamp member for mounting in the rearward of said channel, a front structure to engage to the frontward of the channel and a wedge structure placed between the C-clamp member and the front structure.

Abstract: The invention relates to a retaining device, a retaining system between a female part and a male part, and a female part and male part to assure the retention between a wear element or tooth and an adaptor element or tooth bar used in excavators and the like. The female part, which can be a wear element or tooth, or an adaptor element or tooth bar, comprises, auto-fixed thereto, a retaining device which participates in the coupling with a pin of the female part with a male part, and prevents the pin from coming out of its blocking position, maintaining the fixing between the two parts, i.e., male part and female part. The coupling between both parts is detachable, allows removing the pin from the coupling and replacing the female part or male part together with the retaining device.

Abstract: Device for detachable fastening of two mechanical components between which a channel or housing is defined, including a peg, with at least two grooves on opposite faces, and a band accommodated in the grooves, fastened by pinching at the lower part of the peg and with a flexible portion that has the upper end thereof bent in order to retain the peg/band assembly in a transverse grove of the channel The invention applies in particular to the fastening of a tooth in a tooth holder of the scoop of an excavating machine or the like.

Abstract: A wear assembly of an earth-moving machine's bucket comprises a male part (1) and a female part (2), both of which in turn comprises a nose (10) (male part) or cavity (20) (female part) provided with an upper contact surface and a lower contact surface. The upper contact surface comprises an upper front contact portion (14, 24) that extends backward from the tip of the nose or the bottom of the cavity and the lower contact surface comprises a lower front contact portion (13, 23) that extends likewise, one of said upper and lower front contact portions being concave and the other being convex. Analogously, the upper contact surface comprises an upper back contact portion (16, 26) that extends forward from the base of the nose or the mouth of the cavity, and the lower contact surface comprises a lower back contact portion (15, 25) that extends likewise, one of said upper and lower back contact portions being concave and the other being convex.