Tooth Assembly for Excavating Apparatus with Rare Earth Material

Abstract

A system for coupling equipment components includes a magnetic coupling assembly. The magnetic coupling assembly couples a tooth point to an adapter. The magnetic coupling assembly is received at least partially within a recess formed in the adapter. The magnetic coupling assembly includes an insert and a magnetic coupler. The insert is placed within the recess of the adapter, and the insert includes an internal recess. The magnetic coupler is received within the internal recess of the insert.

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         18 . An apparatus for decoupling a magnetic coupler from equipment components, the apparatus comprising:
 an elongated portion comprising a threaded end portion, the threaded end portion configured to couple with a threaded portion of the magnetic coupler;   a sliding portion configured to slide along the elongated portion; and   a supporting portion disposed on the elongated portion, the supporting portion configured to prevent the sliding portion from separating from the elongated portion in a direction away from the threaded end portion,   wherein the apparatus is configured to uncouple the magnetic coupler from the equipment components in response to a force applied to one or more of the sliding portion and the supporting portion in the direction away from the threaded end portion while the threaded end portion of the elongated portion is coupled with the threaded portion of the magnetic coupler.   
     
     
         19 . An apparatus for installing a magnetic coupler onto equipment components, the apparatus comprising:
 an elongated portion coupled to a cross piece portion that is substantially perpendicular to the elongated portion,   wherein the apparatus is configured to receive the magnetic coupler on the elongated portion and fit within a recessed portion of an insert installed in an adapter of a component.   
     
     
         20 . An apparatus for decoupling a magnetic coupler from equipment components, the apparatus comprising an electrical heating element configured to be placed within a bore of the magnetic coupler, the electrical heating element operable to heat the magnetic coupler such that the magnetic properties of the magnetic coupler are reduced. 
     
     
         21 . The apparatus of  claim 18 , further comprising:
 an electrical heating element configured to be placed within a bore of the magnetic coupler, the electrical heating element configured to heat the magnetic coupler such that magnetic attraction between the magnetic coupler and the equipment components is reduced.   
     
     
         22 . The apparatus of  claim 21 ,
 wherein the electrical heating element is configured to heat the magnetic coupler such that magnetic attraction between the magnetic coupler and the equipment components in a radial direction of the magnetic coupler is substantially prevented, and   wherein the radial direction of the magnetic coupler is the same as a radial direction of the elongated portion.   
     
     
         23 . The apparatus of  claim 21 ,
 wherein the electrical heating element is configured to heat the magnetic coupler such that magnetic attraction between the magnetic coupler and the equipment components in an axial direction of the magnetic coupler is substantially prevented, and   wherein the axial direction of the magnetic coupler is the same as an axial direction of the elongated portion.   
     
     
         24 . The apparatus of  claim 18 , wherein the apparatus is configured to uncouple the magnetic coupler from the equipment components by moving the magnetic coupler in an axial direction of the elongated portion along a recess in at least one of the equipment components. 
     
     
         25 . The apparatus of  claim 24 , wherein magnetic attraction between the magnetic coupler and the equipment components is reduced in a radial direction of the elongated member by a shield at least partially enclosing a magnetic core of the magnetic coupler. 
     
     
         26 . The apparatus of  claim 18 ,
 wherein the elongated portion comprises a first locking component disposed adjacent to the threaded end portion of the elongated portion, and   wherein the sliding portion comprises a second locking component configured to engage with the first locking component at a first sliding position of the sliding portion along the elongated portion, such that the elongated portion is prevented from rotating independently of the sliding portion.   
     
     
         27 . The apparatus of  claim 26 ,
 wherein the first locking component extends from the elongated portion in a radial direction of the elongated portion, and   wherein the second locking component is a recess in the sliding portion configured to receive the first locking component therein when the sliding portion is at the first sliding position.   
     
     
         28 . The apparatus of  claim 26 , wherein the first locking component and the second locking component engage at the first sliding position to prevent the sliding portion from sliding further toward the threaded end portion. 
     
     
         29 . The apparatus of  claim 26 , wherein the threaded end portion of the elongated portion is configured to couple with the threaded portion of the magnetic coupler when the sliding portion is at the first sliding position. 
     
     
         30 . The apparatus of  claim 26 ,
 wherein the sliding portion is configured to engage with the supporting portion at a second sliding position of the sliding portion along the elongated portion, the second sliding position being further than the first sliding position from the threaded end portion of the elongated portion in the direction away from the threaded end portion of the elongated portion, and   wherein the supporting portion is configured to receive a force, in the direction away from the threaded end portion of the elongated portion, from the sliding portion when the sliding portion reaches the second sliding position after sliding from the first sliding position to the second sliding position.   
     
     
         31 . The apparatus according to  claim 30 , wherein the apparatus is configured such that force received by the supporting portion from the sliding portion uncouples the magnetic coupler from the equipment components. 
     
     
         32 . The apparatus of  claim 30 , wherein the distance between the first sliding position and the second sliding position is greater than the length of the sliding portion in an axial direction of the elongated portion. 
     
     
         34 . The apparatus of  claim 19 , further comprising:
 a sliding portion configured to slide along the elongated portion,   wherein the sliding portion comprises a recess configured to engage with the cross piece portion when the sliding portion reaches a particular position along the elongated portion, such that the elongated portion is prevented from rotating independently of the sliding portion.   
     
     
         35 . The apparatus of  claim 19 ,
 wherein the elongated portion further comprises an end portion configured to receive the magnetic coupler,   wherein the apparatus further comprises:
 a sliding portion configured to slide along the elongated portion; and 
 a supporting portion disposed on the elongated portion, the supporting portion configured to prevent the sliding portion from separating from the elongated portion in a direction away from the end portion of the elongated portion, and 
   wherein the supporting portion is configured to receive a force, in the direction away from the end portion of the elongated portion, from the sliding portion when the sliding portion slides into contact with the supporting portion.   
     
     
         36 . The apparatus of  claim 20 ,
 wherein the electrical heating element is configured to heat the magnetic coupler such that magnetic attraction between the magnetic coupler and the equipment components in a radial direction of the magnetic coupler is substantially prevented, and   wherein the radial direction of the magnetic coupler is the same as a radial direction of the elongated portion.   
     
     
         37 . The apparatus of  claim 20 ,
 wherein the electrical heating element is configured to heat the magnetic coupler such that magnetic attraction between the magnetic coupler and the equipment components in an axial direction of the magnetic coupler is substantially prevented, and   wherein the axial direction of the magnetic coupler is the same as an axial direction of the elongated portion.