US3896569A - Earth working implement and tooth assembly therefor - Google Patents

Earth working implement and tooth assembly therefor Download PDF

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Publication number
US3896569A
US3896569A US459401A US45940174A US3896569A US 3896569 A US3896569 A US 3896569A US 459401 A US459401 A US 459401A US 45940174 A US45940174 A US 45940174A US 3896569 A US3896569 A US 3896569A
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US
United States
Prior art keywords
base plates
rib
openings
tooth
disposed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US459401A
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English (en)
Inventor
George J Thompson
Thomas T Dalrymple
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Indresco Inc
Marion Power Shovel Co Inc
Original Assignee
Marion Power Shovel Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marion Power Shovel Co Inc filed Critical Marion Power Shovel Co Inc
Priority to US459401A priority Critical patent/US3896569A/en
Priority to CA211,169A priority patent/CA1022587A/en
Priority to AU74236/74A priority patent/AU489714B2/en
Priority to ZA00746585A priority patent/ZA746585B/xx
Priority to IN2405/CAL/74A priority patent/IN144051B/en
Priority to DE19742462382 priority patent/DE2462382A1/de
Priority to DE19742452649 priority patent/DE2452649C3/de
Priority to GB5162274A priority patent/GB1451729A/en
Priority to JP49141114A priority patent/JPS5248402B2/ja
Priority to FR7500335A priority patent/FR2267422A1/fr
Priority to PH17004A priority patent/PH10762A/en
Priority to NO751164A priority patent/NO140606C/no
Priority to SE7504020A priority patent/SE407600B/xx
Priority to ZM41/75A priority patent/ZM4175A1/xx
Priority to OA55501A priority patent/OA05003A/xx
Application granted granted Critical
Publication of US3896569A publication Critical patent/US3896569A/en
Anticipated expiration legal-status Critical
Assigned to INDRESCO, INC. reassignment INDRESCO, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: DRESSER INDUSTRIES, INC.
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808—Teeth
    • E02F9/2816—Mountings therefor
    • E02F9/2825—Mountings therefor using adapters
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets

Definitions

  • An implement suitable for use with an earth moving, excavating or mining machine generally comprising a body including a wall provided with a forwardly and transversely disposed lip portion, means for attaching the body to the machine, the lip portion of the body wall having a plurality of transversely spaced ribs, each of the ribs having forwardly and rearwardly disposed pin receiving openings, a pair of base plates mounted on the sides of each of the ribs, each of the base plates having pin receiving openings registered with the openings in an adjoining rib, a plurality of tooth points each having a rearwardly opening socket receiving the forward end of a set of rib and adjoining base plates for mounting the tooth point thereon, each of the tooth points having side walls with openings registered with a set of openings in the adjoining set of base plates and rib on which the tooth point is mounted, and pins disposed in the registered openings for securing the base plates on the ribs
  • This invention relates to an earth working implement and more particularly to an implement suitable for use with an earth moving, excavating or mining machine.
  • the invention further contemplates a novel tooth assembly suitable for use on such implements.
  • Conventional dippers for excavating and mining machines normally consist of a pair of side walls, a bottom wall interconnecting the lower ends of such side walls, providing a forwardly disposed lip, and a plurality of teeth detachably mounted along the forwardly disposed edge of the dipper lip.
  • Another object of the present invention is to provide an improved implement suitable for use with earth moving, excavating and mining machines.
  • a further object of the present invention is to provide an improved earth working implement utilizing a plurality of teeth mounted on a lip portion thereof for penetrating material being excavated, mined or otherwise worked or handled wherein the wear life of such teeth is increased, the amount of material used in the manufacture of such teeth is reduced, stress concentrations in the areas of the connections of such teeth to the lip portion thereof are substantially alleviated, and high concentrations of bending stress in the lip portion thereof and the teeth mounted thereon are eliminated.
  • a still further object of the present invention is to provide an improved implement for earth moving, excavating and mining machines, utilizing a plurality of teeth mounted on a lip portion thereof, wherein the components of the teeth assembly do not require close fitting contact surfaces for transmitting digging loads from tooth points to the lip portion of the implement.
  • Another object of the present invention is to provide an improved implement suitable for use with earth moving, excavating and mining machines, utilizing a plurality of teeth mounted on a lip portion thereof, wherein comparatively smaller teeth are capable of being used thus reducing the projected area of the teeth on the material being excavated, mined or otherwise worked or handled, and correspondingly reducing the amount of the effort required to penetrate such materials.
  • a further object of the present invention is to provide an improved implement suitable for use with earth moving, excavating and mining machines, utilizing a plurality of tooth base plates detachably mounted on lip portion thereof and a plurality of tooth points mounted on the tooth base plates wherein the tooth points function to maintain the connection of the tooth base plates to the implement lip and shield such connections, thus reducing the wear and replacement thereof.
  • a still further object of the present invention is to provide a novel tooth assembly suitable for use with an earth working implement.
  • FIG. 1 is a side elevational view of an embodiment of the invention
  • FIG. 2 is a cross-sectional view taken along line 2-2 in FIG. 1, having a portion thereof broken away;
  • FIG. 3 is an enlarged, prespective view of a portion of the embodiment illustrated in FIGS. 1 and 2;
  • FIG. 4 is a view similar to the view shown in FIG. 3, having the components thereof disposed in exploded relation;
  • FIG. 5 is a side view of a tooth assembly utilized in the embodiment illustrated in FIGS. 1 through 4;
  • FIG. 6 is top view of the assembly illustrated in FIG.
  • FIG. 7 is an enlarged, crosssectional view taken along lines 77 in FIG. 5;
  • FIG. 8 is an enlarged, cross-sectional view taken along line 8-8 in FIG. 5;
  • FIG. 9 is a view similar to the view shown in FIG. 7, illustrating a modification of the tooth assembly
  • FIG. 10 is a prespective view of a modification of certain components of the tooth assembly illustrated in FIGS. 1 through 8;
  • FIG. 11 is a cross-sectional view taken along line l1ll in FIG. 10;
  • FIG. 12 is a perspective view of another modification of certain components of the tooth assembly illustrated in FIGS. 1 through 8;
  • FIG. 13 is a top plane view of the modification illustrated in FIG. 12.
  • FIG. 14 is a cross-sectional view taken along line 14-14 in FIG. 12.
  • the embodiment generally consists of a dipper 10 including a pair of side walls 11, II, a bottom wall 12 interconnecting the side walls to provide a material receiving channel, a plurality of tooth assemblies I3 mounted on the bottom wall and a door 14 pivotally connected to the upper rear ends of side walls 11, 11.
  • Bottom wall 12 is formed integral with the lower portion of side walls 11, l l and includes a forwardly disposed lip portion 15 and an upwardly and rearwardly inclined, rearwardly disposed portion 16.
  • Lip portion 15 includes an upper, plane surface merging forwardly with a beveled surface 15b which terminates in a forwardly disposed transverse edge 150.
  • the dipper illustrated in the drawings particularly is adapted for use with the type of excavating machine described in US. Pat. No. 3,643,863, and is provided with connecting pin openings in the upper ends of the side walls to accommodate the connection of the dipper to the front end of such type of excavating machines.
  • the upper intermediate portions of the side walls are provided with transversely aligned pin receiving openings l7, 17 which are adapted to receive therein a pair of pins 18, 18 to pivotally connect the dipper to a dipper handle 19 of the excavating machine
  • the upper, forwardly disposed portions of the side walls are provided with a pair of transversely aligned pin receiving openings 20, 20 which are adapted to receive a pair of pins 21, 21 for connecting a hoist link 22 to the dipper
  • the upper, rearwardly disposed portions of the side walls are provided with a pair of transversely aligned openings 23, 23 which are adapted to receive a pair of pins 24, 24 for securing the lower ends of a pair of pitch links 25, 25 to the dipper.
  • Dipper door 14 is substantially of a conventional construction having the upper end thereof pivotally connected to the upper, rearwardly disposed portions of the side walls by means of a pair of transversely aligned pins 26, 26, and the side and bottom edges thereof engagable with the rearwardly disposed edges of side walls 11, 11 and bottom wall 12 to close the rear end of the channel formed by the side and bottom walls of the dipper.
  • the door further is provided with a mechanism including a releasable latch which is adapted to be received within an opening 27 disposed in a rearwardly projecting portion 28 forming substantially a continuation of bottom wall 12.
  • Each rib includes a pair of side surfaces 30 and 31 disposed substantially perpendicular to upper surface 15a of the lip portion, an upper edge 32 merging at the rearwardly disposed end thereof with upper surface 15a of the lip portion and merging at the forwardly disposed end thereof with a forwardly disposed, curved edge 33 which terminates at the lower end thereof substantially at lip edge 150.
  • Each rib further is provided with a forwardly disposed, circular pin receiving opening 34 and a rearwardly disposed, oblong pin receiving opening 35. As best illustrated in FIGS.
  • each rib is disposed in the portion thereof projecting forwardly of lip edge 15c. Furthermore, as best illustrated in FIG. 2, it will be noted that ribs 29 extend rearwardly for a major portion of the longitudinal diminsion of lip portion 15 of the dipper bottom wall.
  • Each of such assemblies includes a pair of base plates 36 and 37, a tooth point 38, a tubular retainer pin 39, a solid retainer pin 40 and a wedge type retainer pin 41.
  • Base plates 36 and 37 have substantially the same configuration, each including a pair of side surfaces 42 and 43 adapted to be mounted on a rib 29 in abutting relation with a side surface 30 or 31 of the rib, a forwardly disposed circular opening 44 registerable with and having the same diameter as opening 34 of a rib, and a rearwardly disposed oblong opening 45 which has the same configuration as an opening 35 in a rib 29 and is registerable therewith when the base plate is mounted on a rib and the forwardly disposed opening 44 thereof is registered with an opening 34 of the adjoining rib.
  • each base plate 37 when a base plate 37 is mounted on a rib 29 and openings 44 and 45 thereof are registered with the openings 34 and 35 of the adjoining rib, the rearward portion of the bottom edge of each base plate is spaced from and disposed parallel to the upper surface of the lip portion of the dipper bottom wall.
  • each base plate includes bottom edge portions 46 and 47 which are spaced from and disposed parallel to bottom wall surfaces 15a and 15b, respectively.
  • each base plate includes forwardly disposed, upper and lower converging edge portions 48 and 49 merging into a rounded edge 50, an upper intermediate edge portion 51, a rearwardly disposed, upper edge portion 52 and a rounded rear edge portion 53 merging into upper and lower edge portions 46 and 52.
  • Converging edge portions 48 and 49 and interconnecting front end portion 50 essentially define a forwardly projecting portion of each base plate. It further will be noted that when each base plate is positioned on a side surface of a rib with the openings thereof registered with the openings of the adjoining rib, bottom edge portion 49 thereof will be disposed in substantially the same plane as the bottom surface of lip portion 15.
  • Tubular retainer pin 39 has an outside diameter substantially equal to the diameter of pin receiving openings 34 and 44 in the ribs and base plates, and'a length substantially equal to the combined transverse dimensions of a rib 29 and a pair of base plates 36 and 37 so that when a pair of base plates is mounted on a rib 29 with openings 34 and 44 thereof in registry, tubular pin 39 may be inserted in such openings so that the annular end surfaces thereof are disposed flush with the outer side surfaces of the base plates, as best illustrated in FIG. 7.
  • retainer pin 41 has an oblong crosssectional configuration and is tapered along the length thereof so that the pin may be inserted into registered
  • each of pins 41 is formed with a notch 54 providing a deformable portion 55 which may be struck with a hammer and bent rearwardly after the pin has been inserted in a set of openings for retaining the pin therein and preventing it from working loose during the operation of the dipper.
  • Each dipper tooth 38 includes upper and lower walls 56 and 57 having exterior, converging surfaces 56a and 57a, and a pair of side walls 58 and 59 defining a rearwardly opening socket 60 adapted to receive therein the forwardly projecting portions of a rib 29 and a pair of adjoining base plates 36 and 37, as best illustrated in FIGS. 5 and 6. Referring to FIGS.
  • socket side walls will engage the annular ends of tubular retaining pin 60 and portions of the outer side wall surfaces of the base plates to lock the retaining pin in register openings 34 and 44 of the rib and adjoining base plates.
  • raised base plate surfaces 48a and 49a function to prevent the tooth point from pivoting on pin 40.
  • Each tooth point 38 is secured on the front end of a set consisting of a rib 29 and a pair of adjoining base plates 36 and 37 by means of a solid retaining pin 40.
  • each pin 40 has a diameter substantially equal to the diameter of openings 61, 62 and 63, and has a length substantially equal to the transverse dimension of a tooth point.
  • Each retainer pin 40 is formed with notches 68 and 69 in the ends thereof providing deformable portions 68a and 690 which may be struck with a hammer and bent outwardly to prevent the axial displacement of retainer pin 40 when it has been inserted in registered openings 61, 62 and 63 ofa tubular retaining member 39 and a tooth point 38. As best illustrated in FIG.
  • the leading end of retainer pin 40 is beveled as at 70 to facilitate insertion of the pin into a set of registered openings, and the outer ends of openings 61 and 62 in each tooth point is beveled as at 61a and 62a to accommodate the outward bending of the deformable portions 68a and 69a.
  • the orientation of tooth point surfaces 56a and 57a relative to the main body of the dipper is fixed so that a line bisecting the angle of such surfaces will be parallel to, and ideally will coincide with, the line of maximum net force exerted on the tooth point by the embankment being penetrated by the tooth point.
  • Such a design results in evenly distributed wear between such surfaces and the elimination of bending stresses in the tooth point when maximum digging forces are imposed thereon.
  • Each of the dipper side walls also is provided with a pair of pin receiving openings comparable in spacing an configuration and substantially transversely aligned with openings 34 and 35 in ribs 29 to accommodate the mounting of tooth assemblies in the same manner that the tooth assemblies are mounted on ribs 29.
  • the mounting of tooth assemblies on the dipper end walls provide a row of digging teeth across the entire width of the dipper which has the effect of enhancing the digging capability of the dipper.
  • the mounting of a tooth assembly on a side wall of a dipper is best illustrated in FIGS. 1 and 2.
  • the components of the dipper as described can be of a welded steel plate or welded cast section construction. It further is contemplated that certain components of the dipper be cast and some components thereof fabricated of steel plate, and such components welded together.
  • the dipper bottom wall with the ribs and the lower portions of the dipper side walls may be cast as an integral unit
  • the upper portions of the dipper side walls may be cast or fabricated of steel plate and welded onto the lower portions of the dipper wall
  • the dipper door may be of a cast or welded steel plate construction
  • the base plates may be of a cast or steel plate construction
  • the dipper teeth may be of a cast construction.
  • a pair of base plates is first positioned on the sides of the rib with the openings 44 and 45 thereof registered with openings 34 and 35 in the rib.
  • a tubular retainer pin 39 is then inserted in registered openings 34 and 44 so that the annular end surfaces thereof are disposed flush with the outer side surfaces 43 of the base plates.
  • Retainer pin 41 is then inserted in registered openings 35 and 45, and secured therein by hammering deformable portion 55 rearwardly, as illustrated in FIG. 8.
  • a tooth point 38 is mounted on the forwardly disposed ends of the base plates so that openings 61 and 62 in the tooth side walls are registered with axial opening 63 in retainer pin 39.
  • Retainer pin 40 is then inserted in registered openings 61, 62 and 63, and deformable portions 68a and 69a are struck with a hammer and bent outwardly toward beveled surfaces 61a and 62a to secure retaining pin 40 in registered openings 61, 62 and 63.
  • the transmission of such digging loads to the ribs at two separate points along the lengths of the ribs further results in the elimination of concentrated bending stresses. Since such concentrations of compressive and bending stresses as eliminated, the tooth points and base plates may be fabricated of less material thus reducing manufacturing costs, and the tooth points may be of a smaller cross-sectional configuration thus enhancing the penetration of the tooth points in the material being excavated and correspondingly the digging efficiency of the shovel.
  • FIGS. 1 through 8 Several modifications of various components of the tooth assembly illustrated in FIGS. 1 through 8 are contemplated as falling within the scope of the present invention. Included in such modifications is the use of a single pin for securing the front ends of a pair of base plates to the forwardly projecting portion of a rib and securing a tooth point on the forwardly projecting portions of such base plates. As illustrated in FIG. 9, a single, solid pin 40a is utilized to secure a pair of base plates 36 and 37 on a rib 29, and a tooth point 38 on the forwardly projecting portions of the base plates, in
  • the base plates may be formed as part of a single, integral unit, as illustrated in FIGS. 10 and 11.
  • Such modification simply consists of a pair of spaced base plate portions 36a and 37a which are comparable to base plates 36 and 37 of the tooth assembly illustrated in FIGS. 1 through 8, and an upper interconnecting portion 71.
  • the base plate portions 36a and 37a are provided with forwardly disposed, transversely aligned openings 44a and a pair of rearwardly disposed, transversely aligned oblong openings 45a.
  • the component illustrated in FIGS. 10 and 11 would be mounted on a rib 29 and would function in the same manner as a pair of base plates 36 and 37, as described in connection with the tooth assembly illustrated in FIGS. 1 through 8.
  • the base plate portions would be adapted to engage the side surfaces of a rib with openings 44a registering with an opening 34 in the rib and openings 45a registering with an oblong opening 35 in the rib, and the interconnecting portion 71 overlying the upper surface 32 of the rib. It is contemplated that such a component would have greater strength properties and further would function to shield the rib from the abrasive effects of material being excavated.
  • the modification illustrated in FIGS. 12 through 14 also is of a single, integral construction, including a pair of spaced, base plate portions 36b and 37b corresponding to base plates 36 and 37 of the tooth assembly illus trated in FIGS. 1 through 8, and a web portion 72 interconnecting the forward ends of the base plate portions. Similar to the base plates illustrated in FIGS. 1 through 8 and the base plate portions illustrated in FIGS.
  • base plate portions 36b and 3712 are provided with forwardly disposed, transversely aligned openings 44b which are adapted to register with the forwardly disposed opening 34 of a rib 29, and rearwardly disposed, transversely aligned oblong openings 45b which are adapted to register with an oblong opening 35 of a rib 29.
  • the component illustrated in FIGS. 12 through 14 also is intended to be mounted on a rib 29 and to function in the same manner as a pair of base plates 36 and 37.
  • base plate portions 36b and 37b will engage the side surfaces of the rib
  • openings 44b will register with opening 34 in the rib
  • openings 45b will register with opening 35 in the rib
  • the interconnecting web portion 29 will be disposed forwardly of the forwardly projecting portion of the rib.
  • such arrangement include a pair of base plate portions comparable to base plates 36 and 37, an upper interconnecting portion corresponding to interconnecting portion 71 in FIG. 10, adapted to overlie the upper surface 32 of a rib, and an interconnecting web portion comparable to portion 72 in FIG. 12. Such a modification would impart even greater strength to the tooth assembly.
  • An earth working implement comprising a body having a wall provided with a forwardly and transversely disposed lip portion, means for attaching said body to a machine, the lip portion of said bottom wall having a plurality of transversely spaced ribs, each of said ribs having forwardly and rearwardly disposed pin receiving openings, a pair of base plates mounted on the sides of each of said ribs, each of said base plates having pin receiving openings registered with the openings in an adjoining rib, a plurality of tooth points each having a rearwardly opening socket receiving the forward end of a set of rib and adjoining base plates for mounting the tooth point thereon, each of said tooth points having side walls with openings registered with a set of openings in the adjoining set of base plates and rib on which said tooth point is mounted, and pins disposed in said registered openings for securing said base plates on said ribs and said tooth points on adjoining rib and base plate sets.
  • each of said ribs includes a portion projecting forwardly of the lip portion of said wall, and said forwardly disposed pin receiving opening in each of said ribs is disposed in the forwardly projecting portion thereof.
  • each of said tooth points includes upper .and lower, forwardly converging exterior surfaces.
  • each of said body side walls includes forwardly and rearwardly disposed pin receiving openings, and including a pair of base plates mounted on the sides of each of said body side walls. having pin receiving openings registered with the openings in the adjoining body side wall, a pair of tooth points each having a rearwardly opening socket receiving the forward ends ofa body side wall portion and ad-' joining base plates for mounting the tooth points thereon, each of said end mounted tooth points having a pair of side walls with openings registered with a set of openings in the adjoining base plates and body side wall on which said end mounted tooth point is mounted and pins disposed in said registered openings for securing said base plates on said body side walls and side end mounted tooth points on adjoining sets of body side wall and base plates.
  • each of said ribs are disposed on a bottom wall, said bottom wall is of a cast construction and said ribs are cast integral with said bottom wall, each of said ribs includes a portion projecting forwardly of the lip portion of said bottom wall and said forwardly disposed opening therein is disposed in said forwardly disposed rib portion, upper and lower edges of the forward portions of said base plates coverge, and the sockets of said tooth points have substantially similar configurations, the rearwardly disposed openings of each of said ribs and the registered openings of the adjoining base plates have a non-circular, cross-sectional configurations and the pin received therein has a tapered configuration which engages the walls of said openings in wedging relation, each of said tooth points includes upper and lower, forwardly converging surfaces, and the lower surface of each of said tooth points is inclined slightly forwardly and downwardly relative to a bottom surface of said bottom wall.
  • An implement according to claim 1 including a tubular pin disposed in the forwardly disposed opening of each of said ribs and registered openings in adjoining base plates, wherein the openings in the side walls of each of said tooth points register with the opening in the tubular pin disposed in an adjoining set of said rib and base plates, and including a third pin disposed within the registered openings of the side walls of a tooth point and an adjoining tubular pin for securing each tooth point on an adjoining rib and base plate set.
  • each of said ribs includes a portion projecting forwardly of the lip portion of said wall, and the forwardly disposed opening in each of said ribs is disposed in the forwardly projecting portion thereof.
  • each of said tooth points includes upper and lower, forwardly converging surfaces.
  • each of said body side walls includes forwardly and rearwardly disposed pin receiving openings, and including a pair of base plates mounted on the side of each of said body side walls, having pin receiving openings registered with the openings in the adjoining body side walls, including a tubular pin disposed in the registered openings of each body side wall and adjoining base plates, tooth points having rearwardly opening sockets receiving the forward ends of said body side wall portions and adjoining base plates for mounting the tooth points thereon, each of said side wall mounted tooth points having a pair of side walls with openings registered with the opening of the tubular pin disposed in registered openings of said body side wall and adjoining base plates, and including pins disposed in the registered openings of each of said tubular pins and the side walls of an adjoining end mounted tooth point, and the register openings of each body side wall and adjoining base plates for securing saidbase plates on said body side walls and said end mounted tooth points on adjoining sets of body side wall and base plates.
  • a tooth assembly according to claim 27 wherein said tooth point includes upper and lower, forwardly converging exterior surfaces.
  • a tooth assembly according to claim 29 wherein a lower surface of said tooth point is inclined slightly forwardly'and downwardly relative to a bottom surface of said wall when said tooth point is mounted on the forward end of saidset consisting of a rib and adjoining base plates.
  • a tooth assembly according to claim 27 including base plateswhen said base plates are mounted on said.
  • the openings in the side walls of said tooth point are registerable with the opening in said tubular pin when said tubular pin is disposed in the registered openings of a set consisting of said rib and adjoining base plates, and including a third pin disposable within the registered openings of the side walls of a tooth point and an adjoining tubular pin when said tubular pin is disposed within registered openings in a set consisting of said rib and adjoining base plates and said tooth point is mounted on the forward end of said set consisting of said rib and said adjoining base plates, for securing said tooth point on said set consisting of said rib and said adjoining base plate.
  • said tooth point includes upper and lower, forwardly. converging surfaces.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Shovels (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
US459401A 1974-04-09 1974-04-09 Earth working implement and tooth assembly therefor Expired - Lifetime US3896569A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
US459401A US3896569A (en) 1974-04-09 1974-04-09 Earth working implement and tooth assembly therefor
CA211,169A CA1022587A (en) 1974-04-09 1974-10-10 Earth working implement and tooth assembly therefor
AU74236/74A AU489714B2 (en) 1974-04-09 1974-10-11 Earth working implement and tooth assembly therefor
ZA00746585A ZA746585B (en) 1974-04-09 1974-10-16 Earth working implement anf tooth assenbly therefor
IN2405/CAL/74A IN144051B (fi) 1974-04-09 1974-11-02
DE19742462382 DE2462382A1 (de) 1974-04-09 1974-11-06 Ausbildung der teilflaechen der zahnspitzen eines schaufelfoermigen werkzeugs fuer maschinen fuer erdarbeiten
DE19742452649 DE2452649C3 (de) 1974-04-09 1974-11-06 Mit Grabzähnen bestücktes schaufeiförmiges Werkzeug für Maschinen für Erdarbeiten
GB5162274A GB1451729A (en) 1974-04-09 1974-11-28 Earth working implement and tooth assembly therefore
JP49141114A JPS5248402B2 (fi) 1974-04-09 1974-12-05
FR7500335A FR2267422A1 (fi) 1974-04-09 1975-01-07
PH17004A PH10762A (en) 1974-04-09 1975-04-02 Earth working implement and tooth assembly therefor
NO751164A NO140606C (no) 1974-04-09 1975-04-04 Graveredskap.
SE7504020A SE407600B (sv) 1974-04-09 1975-04-08 Tandforsedd grevskopa
ZM41/75A ZM4175A1 (en) 1974-04-09 1975-04-09 Earth working implement and tooth assembly therefor
OA55501A OA05003A (fr) 1974-04-09 1975-05-16 Appareil de terrassement et ensemble de dent approprié.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US459401A US3896569A (en) 1974-04-09 1974-04-09 Earth working implement and tooth assembly therefor

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US3896569A true US3896569A (en) 1975-07-29

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US459401A Expired - Lifetime US3896569A (en) 1974-04-09 1974-04-09 Earth working implement and tooth assembly therefor

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US (1) US3896569A (fi)
JP (1) JPS5248402B2 (fi)
CA (1) CA1022587A (fi)
DE (1) DE2462382A1 (fi)
FR (1) FR2267422A1 (fi)
GB (1) GB1451729A (fi)
IN (1) IN144051B (fi)
NO (1) NO140606C (fi)
OA (1) OA05003A (fi)
PH (1) PH10762A (fi)
SE (1) SE407600B (fi)
ZA (1) ZA746585B (fi)
ZM (1) ZM4175A1 (fi)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271614A (en) * 1979-10-22 1981-06-09 J. I. Case Company Floating soil fracture tool
US4729180A (en) * 1986-05-07 1988-03-08 Hendricks Robert G Quick teeth bucket attachment
US5172501A (en) * 1990-06-21 1992-12-22 Pippins Sherlock K Tooth assembly for excavating apparatus
US5553408A (en) * 1995-04-21 1996-09-10 Townsend; Edward H. Excavator bucket attachment
US5653048A (en) * 1995-11-06 1997-08-05 Esco Corporation Wear assembly for a digging edge of an excavator
US5901480A (en) * 1997-12-18 1999-05-11 G.H. Hensley Industries, Inc. Reinforced loader bucket structure
US6467204B1 (en) 2001-08-09 2002-10-22 Trn Business Trust Adapter assembly having multiple retainer pins
US6467203B2 (en) * 1999-04-05 2002-10-22 Trn Business Trust Removable tooth assembly retention system and method
US6502336B2 (en) 1999-04-05 2003-01-07 Trn Business Trust Apparatus and method for coupling an excavation tooth assembly
US6574892B2 (en) 2001-09-05 2003-06-10 Trn Business Trust Retainer pin having an internal secondary retainer pin
US6757995B2 (en) 2002-07-12 2004-07-06 Trn Business Trust System and method for coupling excavation equipment components
US6799387B2 (en) 2002-01-29 2004-10-05 Trn Business Trust Removable adapter assembly having a retractable insert
US20050229442A1 (en) * 2004-03-30 2005-10-20 Esco Corporation Wear edge assembly
US20050274047A1 (en) * 2004-05-28 2005-12-15 Trn Business Trust System and method for coupling excavation equipment components
US7036249B2 (en) 2003-05-22 2006-05-02 Trn Business Trust Tooth adapter having an elastomeric clamp assembly and method for using same
US20070204490A1 (en) * 2004-03-30 2007-09-06 Esco Corporation Wear assembly
WO2013044297A1 (en) * 2011-09-26 2013-04-04 Bradken Resources Pty Limited Excavation bucket
EP2589714A3 (en) * 2003-04-30 2014-03-05 Esco Corporation Wear assembly for excavator digging edge
US9404240B2 (en) 2013-11-07 2016-08-02 Caterpillar Inc. Bucket lip protection assemblies and lip adapters for same
CN112302069A (zh) * 2020-10-20 2021-02-02 广西柳工机械股份有限公司 装载机铲斗

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US1992501A (en) * 1931-10-16 1935-02-26 Remington Rand Inc Permanent loose leaf binder
US1920873A (en) * 1932-02-11 1933-08-01 Taylor Wharton Iron & Steel Co Excavating apparatus
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Cited By (28)

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US4271614A (en) * 1979-10-22 1981-06-09 J. I. Case Company Floating soil fracture tool
US4729180A (en) * 1986-05-07 1988-03-08 Hendricks Robert G Quick teeth bucket attachment
US5172501A (en) * 1990-06-21 1992-12-22 Pippins Sherlock K Tooth assembly for excavating apparatus
WO1993008339A1 (en) * 1991-10-15 1993-04-29 Pippins Sherlock K Tooth assembly for excavating apparatus
US5553408A (en) * 1995-04-21 1996-09-10 Townsend; Edward H. Excavator bucket attachment
USRE42629E1 (en) 1995-11-06 2011-08-23 Esco Corporation Wear assembly for a digging edge of an excavator
US5653048A (en) * 1995-11-06 1997-08-05 Esco Corporation Wear assembly for a digging edge of an excavator
US5901480A (en) * 1997-12-18 1999-05-11 G.H. Hensley Industries, Inc. Reinforced loader bucket structure
US6467203B2 (en) * 1999-04-05 2002-10-22 Trn Business Trust Removable tooth assembly retention system and method
US6502336B2 (en) 1999-04-05 2003-01-07 Trn Business Trust Apparatus and method for coupling an excavation tooth assembly
US6467204B1 (en) 2001-08-09 2002-10-22 Trn Business Trust Adapter assembly having multiple retainer pins
US6574892B2 (en) 2001-09-05 2003-06-10 Trn Business Trust Retainer pin having an internal secondary retainer pin
US6799387B2 (en) 2002-01-29 2004-10-05 Trn Business Trust Removable adapter assembly having a retractable insert
US6757995B2 (en) 2002-07-12 2004-07-06 Trn Business Trust System and method for coupling excavation equipment components
EP2589714A3 (en) * 2003-04-30 2014-03-05 Esco Corporation Wear assembly for excavator digging edge
US7036249B2 (en) 2003-05-22 2006-05-02 Trn Business Trust Tooth adapter having an elastomeric clamp assembly and method for using same
US7596895B2 (en) 2004-03-30 2009-10-06 Esco Corporation Wear assembly
US20070022640A1 (en) * 2004-03-30 2007-02-01 Esco Corporation Wear edge assembly
US20070204490A1 (en) * 2004-03-30 2007-09-06 Esco Corporation Wear assembly
US7793444B2 (en) 2004-03-30 2010-09-14 Esco Corporation Wear edge assembly
US20050229442A1 (en) * 2004-03-30 2005-10-20 Esco Corporation Wear edge assembly
US7032334B2 (en) 2004-05-28 2006-04-25 Trn Business Trust System and method for coupling excavation equipment components
US20050274047A1 (en) * 2004-05-28 2005-12-15 Trn Business Trust System and method for coupling excavation equipment components
WO2013044297A1 (en) * 2011-09-26 2013-04-04 Bradken Resources Pty Limited Excavation bucket
AU2012315473B2 (en) * 2011-09-26 2017-07-27 Bradken Resources Pty Limited Excavation bucket
US9903092B2 (en) 2011-09-26 2018-02-27 Bradken Resources Pty Limited Excavation bucket
US9404240B2 (en) 2013-11-07 2016-08-02 Caterpillar Inc. Bucket lip protection assemblies and lip adapters for same
CN112302069A (zh) * 2020-10-20 2021-02-02 广西柳工机械股份有限公司 装载机铲斗

Also Published As

Publication number Publication date
NO751164L (fi) 1975-10-10
AU7423674A (en) 1976-04-15
JPS50136905A (fi) 1975-10-30
PH10762A (en) 1977-09-02
DE2462382A1 (de) 1977-04-07
JPS5248402B2 (fi) 1977-12-09
DE2452649A1 (de) 1975-10-23
OA05003A (fr) 1980-12-31
CA1022587A (en) 1977-12-13
SE407600B (sv) 1979-04-02
ZM4175A1 (en) 1976-05-21
GB1451729A (en) 1976-10-06
NO140606B (no) 1979-06-25
SE7504020L (sv) 1975-10-10
DE2452649B2 (de) 1977-04-28
NO140606C (no) 1979-10-03
FR2267422A1 (fi) 1975-11-07
ZA746585B (en) 1975-11-26
IN144051B (fi) 1978-03-18

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