US3751834A - Spread-legged staple retainer for excavating tooth - Google Patents

Spread-legged staple retainer for excavating tooth Download PDF

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Publication number
US3751834A
US3751834A US00215739A US3751834DA US3751834A US 3751834 A US3751834 A US 3751834A US 00215739 A US00215739 A US 00215739A US 3751834D A US3751834D A US 3751834DA US 3751834 A US3751834 A US 3751834A
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United States
Prior art keywords
retainer
holder
holes
tooth
legs
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Expired - Lifetime
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US00215739A
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English (en)
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G Petersen
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Individual
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Individual
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Assigned to PETERSEN, ANNE-MARIE reassignment PETERSEN, ANNE-MARIE DECREE OF DISTRIBUTION (SEE DOCUMENT FOR DETAILS). Assignors: PETERSEN, GERALD A.
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    • 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
    • E02F9/2833—Retaining means, e.g. pins
    • E02F9/2841—Retaining means, e.g. pins resilient

Definitions

  • PATENTS tainer or portions thereof engage in notches formed in 1,685,126 9/1928 Evans 85/83 the proximal part of the tooth only when the retainer a if g2 is in its inward position.
  • the legs are offset so that when 5248 1/1962 S fs et 37/142 A x the retainer is depressed an upper offset portion en- 3 021 627 2/1962 1211115: I 85 83 gases in the aches in and prevents the with 3:091:044 5/1963 Penote ct 31m 37/142 R drawal of the tooth.
  • This invention relates to a new and improved spreadlegged staple retainer for excavating tooth. More particularly, the invention relates to a staple-shaped retainer, the legs of which initially either diverge or converge and which is inserted in parallel holes in a tooth holder.
  • the tooth holder has one or more recesses which receive the shank or proximal part of the tooth in such manner that one or both legs of the retainer fit into notches in the tooth when the retainer is fully inserted in the holder.
  • the retainer is partially withdrawn the legs thereof do not fit into the notches, and hence the tooth is not held in the holder.
  • the retainer is formed with offset legs so that the upper end of each leg comprises a retainer portion which, when the retainer is fully inserted in the holder, is operative and the lower portions of the legs are offset relative to the upper portion so that when the retainer is partially withdrawn the lower portions of the legs do not fit into the notches and the retainer is inoperative.
  • Another feature of the invention is the fact that the legs are fabricated so that they initially either diverge or converge and the holes in the retainer are approximately parallel, thereby requiring that the. legs be distorted from their initial position, and this distortion causes a frictional engagement of the legs with the walls of the holes in which the legs are inserted and hence frictionally prevents unintentional movement of the retainer from operative to inoperative position.
  • top of the retainer is preferably formed in such manner as to enhance the tendency of the legs to fit into the notches in the operative position of the retainer.
  • Still another feature of the invention is the fact that one leg of the retainer is preferably made longer than the other, and by inserting the longer leg in one hole and then moving the shorter leg either toward or away from the longer leg the shorter leg conveniently be installed in its hole without the use of special effort or special tools.
  • Still another feature of the invention is the provision of a protuberance on the wall of the hole in the holder in which the retainer is inserted and which is engaged by the retainer and indicates to the user that the retainer is withdrawn to inoperative position.
  • Still another feature of the invention is the shape of the holes of the retainer so that dirt does not tend to lodge therein to interfere with the retainer moving between operative and inoperative positions.
  • the cavities are outwardly diverging so that the dirt tends to fall out of the retainer without packing inside.
  • the holder is fixed to a portion of the earth excavating equipment such as a lip or a plate as by means of bolts or welding.
  • the teeth absorb most of the wear of the digging action and are removable from the holder from time to time for sharpening or replacement. Accordingly, means is provided for a semipermanent attachment of the holder to the lip of the bucket or auger and a readily releasible means of attachment to hold the tooth in the tooth holder.
  • present invention provides both such means where required.
  • the tooth is restrained from removal so long as the retainer is in its operative position.
  • the retainer may readily be partially withdrawn when it is necessary to remove the tooth.
  • a principal advantage of the retaining means for the tooth is, therefore, the fact that it is rapidly installed and removed and when in place securely holds the tooth in position against unintentional dislodgement.
  • Still another advantage of the retainer is the fact that it is inexpensive and can readily be replaced if the original retainer is lost or damaged.
  • Another advantage of the invention is the fact that no special tools are required to install either the holder on the lip of the earth moving equipment or to install the retainer in the holder.
  • a principal purpose of the present invention to provide means of attachment of a tooth holder to a permanent portion of excavating equipment by means of a plow bolt which fits into one surface of the holder and extends through holes in the lip of the equipment and then through the opposite portion of the holder.
  • a recess is formed in the exposed surface of the opposite portion to receive a nut which fits on the bolt.
  • Spoil exit areas communicate between said recess and the exterior of the holder so that dirt does not harden in the recess and inhibit necessary removal of the nut.
  • FIG. 1 is a top plan view of one form of the invention partially broken away to reveal internal construction.
  • FIG. 2 is a sectional view taken substantially along the line 2-2 in FIG. 1.
  • FIG. 3 is a transverse sectional view taken substan tially along the line 3-3 of FIG. 2 showing the retainer in operative position.
  • FIG. 4 is a view similar to FIG. 3 showing the retainer in inoperative position.
  • FIG. 5 is a perspective view of a retainer used in the modification of FIG. I showing the same from the holder and with the legs converging.
  • FIGS. 6-9 are views similar to FIG. 11-4 of a modification.
  • FIG. 10 is a view similar to FIG. 5 showing the legs of the retainer of FIG. 6 diverging prior to insertion in the holder.
  • FIGS. 11-17 are, respectively, perspective views of modifications of the retainer as hereinafter described in detail.
  • the assembly consists of three members, a replaceable digging tooth 21, a holder 22 which receives the tooth and a retainer 23 which detachably secures the tooth in place in the holder.
  • holder 22 is bolted to an auger, bucket or the like and has a bottom portion 27 and a top portion 28 separated therefrom by a slot 29 which extends from the rear of the holder forwardly thereof with a connecting portion 31 joining the top and bottom.
  • the lip on a bucket, auger or other equipment fills the slot.
  • Aligned holes 32 are formed in top and bottom portions 27, 26 as well as in the lip (not shown) to receive bolts (not shown).
  • the holes 32 on the bottom surface are formed with countersinks 33 and with square holes above the countersinks to receive plow bolts (not shown) which have complementary heads and shanks, but the shape of the holes and the optional use of plow bolts are subject to modification.
  • the top surface of top portion 28 is formed with recesses 34 each shaped to receive nuts which hold the bolts in place with sufficient clearance so that a conventional socket type wrench may be inserted in the recess 34 to turn the nut. If the holder 22 becomes worn, it may be removed by removing the bolts, but this is done very infrequently.
  • I-Iolder 22 may be welded to or formed integrally with the lip of the equipment.
  • Recess 39 is formed extending rearwardly from the forward end of the distal portion of holder 22, the shape of recess 39 accommodating the proximal end of the particular tooth 21 with which the holder is employed.
  • the distal portion of holder 22 has a top portion 41 and a bottom portion 42 which are spaced from each other and connected by a central web 43.
  • the holder viewed in end elevation resembles the letter H turned 90.
  • holes 46 are formed in the top portion 42 spaced apart the width of the top of the retainer and communicate with recess 39. These holes are slightly wider than the thickness of the retainer legs.
  • Protector 44 is formed extending transversely of the top of top portion 41 immediately forwardly of retainer 23 to absorb abrasion of the soil which might otherwise dislodge or damage the retainer. As shown in FIG. 2, protector 44 slants upwardrearward in a ramp which rises above the elevation of retainer 23, then is stepped downwardly to the rear of its highest elevation to a level about the same as the retainer.
  • the bottom portion 41 is also formed with holes 48.
  • each hole 46 is approximately straight, whereas the outer walls of the web 43 converge inwardly. Hence for practical purposes holes 46 are outwardly diverging and any dirt which tends to be trapped therein is readily removed.
  • protuberances 47 are formed on the outwardly facing walls of web 43 adjacent the upper end thereof.
  • holes 48 are downwardly diverging so that any dirt which tends to be trapped therein is readily pushed out when the retainer is moved. Further, if portions of the retainer should break, they readily drop through the holes 46 or 48.
  • tooth 21 of FIG. 1 which fits holder 22 has forwardly converging top and bottom distal surfaces 51 and 52 when viewed in top plan with a blunt transverse forward cutting edge 55.
  • the side edges are generally parallel with lateral extensions 53 formed on either side at the distal end of the tooth. It will be understood, that ifa plurality of teeth 21 are positioned side by side, the lateral extensions 53 may be located abutting to present an almost continuous blade made up of a plurality of cutting edges 55. Nevertheless, each tooth holder 22 is narrower than the total width of the edge 55 and hence may be so located with a separation between the adjacent holders.
  • a central spine 54 on surface 51 originates adjacent the cutting edge 55 and gradually rises in elevation. Further, immediately forward of the holder 26 there is a transverse thickening 69 which merges with spine 54in large radii.
  • the distal portion of the tooth 21 is at an oblique angle with respect to the proximal portion and the bottom surface 42 of the distal portion of the tooth is approximately coplanar with the bottom of the bottom portion 26 of the holder.
  • the recess 39 slants upwardly relative to the bottom surface of bottom portion 27. It will be understood that this feature of the construction is optional.
  • top and bottom surfaces 56, 57 of the proximal end of tooth 21 are preferably parallel and fit within the recess 39 between upper and lower portions 41, 42.
  • the side edges are continuations of the side edges of the distal end.
  • a rectangular slot 58 is formed extending forwardly from the rearward end of the tooth 21, dividing the proximal end of the tooth into two prongs 59 which are substantially rectangular in transverse cross-section.
  • the back ends 61 of the prongs 59 fit against the back of the recess 39 and are shaped complementary thereto.
  • notches 62 are formed in the inward facing side edges of slot 58 in alignment with holes 46. Notches 62 are of a depth about equal to the thickness of retainer 23. Shoulders 63 behind notches 62 prevent the tooth from being removed from the holder when the retainer is in place.
  • Retainer 23 is preferably formed of flat, wire-stock steel which is quite resilient. In its initial or relaxed position, shown in FIG. 5, the legs converge inwardly at an angle of about 10 with respect to the vertical. The bottom portion 72 of each leg is displaced inwardly relative to the upper portion 71 by the depth of notch 62 and there is a short connecting outwardly upwardly slanted portion 73 there-between. The top of each leg is connected to the top of the opposite leg by a top portion which, in the form of the invention shown in FIG. 5, resembles a letter S in plan. This shape gives further resiliency and springiness to the legs of the retainer.
  • one bottom portion 72 is longer than the other.
  • the left leg 72 is somewhat longer than the right leg by an extension 78.
  • the longer leg extension 78 is first partially inserted in left hole 46 and the shorter leg is then pushed away from the longer leg so that it slips into the right hole 46.
  • the retainer 23 is then pushed downwardly until the offsets 73 snap under the protuberances 47.
  • the retainer is now in the position shown in FIG. 4 where it is inoperative insofar as holding the tooth in place.
  • the lower portions 72 of the legs being offset inwardly relative to the upper portions, are close against the web 43 and the offsets 73 are up against the protuberances 47.
  • the protuberances 47 limit unintentional removal of the retainer 23.
  • the retainer 23 is in retracted or inoperative position and does not need to retract it further.
  • the retainer is pushed into full inward or operative position shown in FIG. 3, the upper portions 71 of the legs fit into the notches 62 in. the prongs. So long as the retainer is in the position of FIG. 3, the tooth cannot be removed because the upper portions 71 of the legs fitting against shoulders 63 prevent such movement.
  • the retainer 23 is pulled up ward to the position of FIG. 4. It will be seen with reference to FIG. 3 that the top elevation of web 43 is sufficiently low so that a prying tool such as a screw-driver blade can be inserted under the top diagonal 77 of the retainer to lift the same.
  • tooth 21a is similar to that shown in US. Pat. No. 3,349,508.
  • the distal of the tooth 21a is rectangular in plan having a broad cutting edge with parallel side edges and lateral extensions 53a at the far distal end and the bottom 52a is generally flat.
  • the top 51a is formed with a central longitudinal spine 86 which merges in a transverse protuberance 87 extending out to the side edges.
  • the proximal end of the tooth is inverted T shaped in cross-section and slants upwardly relative to the distal at about a 22 angle.
  • the proximal has an upstanding leg 88 terminating in a shoulder 89 near, but spaced forward from, the rearward end and has laterally extending feet 91.
  • the outer edges of feet 91 and also of spine 86 taper inward rearward and there are curved shoulders 92 when viewed in plan where the outer edges merge with protuberance 87.
  • a central longitudinal groove 93 is formed in the underside of the proximal end of the tooth. As shown in FIG. 7, top surfaces 94 to either side of slot 96 are flat.
  • An opening 97 is provided to the rear of shoulder 89 to provide access for a tool to drive the tooth out of the holder. Inward movement of the tooth is..
  • a transverse strap 99 bridges slot 96 immediately forward of the retainer.
  • To hold the tooth against lateral displacement ridge 100 is formed nesting in groove 93 formed on the top of the thickened lower portion 103 of holder 22a below recess 390.
  • notches 101 are formed in the inner edges of top surfaces 94 facing slot 96 and aligned with notches 102 in the outer edges of feet 91.
  • Downward opening holes 104 are formed in lower portion 103 of holder 22a below recess 39a to receive the lower ends of the legs of the retainer as hereinafter described.
  • Protuberances 106 are formed in the outer walls of notches 101.
  • Retainer 23a is similar to retainer 23 with two exceptions.
  • the legs diverge outwardly instead of inwardly at about 10 angles.
  • the upper portion 71a of each leg is offset inward relative to lower portion 72a.
  • holes 104 are offset outward relative to notches 101 and protuberances 106 are on the outside walls of notches 101 to be engeged by slanted connecting portions 73.
  • the inserts 23, 23a are subject to considerable variation as is shown in FIGS. 11-17.
  • the forms shown in FIGS. 11-15 and 17 are for use with the tooth and holder of FIGS. 6-9, but it is apparent that with suitable modification the forms of retainer may be changed to retain a tooth of the shape of FIGS. 1-4 in an appropri ate holder. These changes involve slanting the legs inwardly rather than outwardly and making the lower leg portions offset inwardly relative to the upper leg portions.
  • the form shown in FIG. 16 is described below.
  • the connecting portion 76b extends inwardly horizontally through about the middle of the retainer and then is bent in a circle 77b, one end of the circle being disposed under the other end of the circle.
  • the curve 77b provides springiness to the retainer.
  • the portions above the bend 74c extend inward a short distance and a U-shaped connecting portion 770 extends in one direction or the other.
  • a bend 111 is formed slanted upwardly v outwardly at an angle of about 1 I0 at the upper end of upper portion 71d and extends in an upwardoutward stretch 114 to a bend 112 which is about I60 of are.
  • the horizontal connecting portion 113 is at approximately right angles to the longitudinal axis of the retainer 23d.
  • the distance between the bends 112 is greater than the distance between the lower ends of the lower leg portions 72d.
  • the retainer 23f shown in FIG. 15 is similar to the retainer 23d of FIG. 13 except that, for use with a tooth and holder similar to that of FIGS. 6-9, at the upper end of lower leg portion 72 an approximately inwardly directed short stretch 116 is formed and this is followed proceeding upwardly by an inwardly offset stretch 117, the upper end of which is connected by a short stretch 118 similar to 116 to the upper leg portions 71f.
  • the portions 117 fit in the notches (not shown but similar to notches 102) in the tooth.
  • FIG. 16 shows a retainer 23g similar to retainer 23] of FIG. 15 except that it is intended for use with double pronged teeth and corresponding holders of the type shown in FIGS. 1-4.
  • the legs of the retainer converge downwardly and the offsets 1173 are disposed outwardly rather than inwardly relative to upper leg portion 71g.
  • the leg construction of tooth 23h is similar to that of FIG. 10.
  • cross section of the retainer has been rectangular. It will be understood that other shapes of resilient steel and brass can be used, such as round cross sections.
  • FIGS. 6-10 resembles that of FIGS. 1-5 and the same reference numerals followed by subscript a are used to designate corresponding parts.
  • the retainers of FIGS. 11-17 likewise are similar in many respects to those of preceding modifications, and the same reference numerals followed by subscripts b to h, respectively, are used to designate corresponding parts.
  • an excavating tooth having a proximal portion a distal portion formed with a cutting edge, a tooth holder formed with at least one recess complementary to said proximal portion and opening inward from the forward end of said holder and extending inward from said forward end in a first direction, and a retainer, said retainer having a pair of legs and a connecting portion connecting one end of each said leg, said retainer being formed to resist movement of said legs toward and away from each other, said retainer being slidable in said holder between operative and retracted positions, said holder formed with a pair of first holes and with a pair of second holes extending from the opposite sides of said holder and generally parallel to said first holes, at least one of said second holes intersecting said recess adjacent a margin of said recess, said first and second holes being spaced back from said forward end, said second holes being offset relative to said first holes in a second direction transverse to said first direction, said first and second holes lying in a plane generally perpendicular
  • proximal end of said holder is formed with an opening to receive the edge of the equipment to which the holder is attached, a first surface of said holder on one side of said holder formed with two holes shaped to receive a plurality of plow bolts, a second surface of said holder opposite said first surface formed with depressions shaped to receive nuts for said plow bolts with clearance to turn said nuts.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Clamps And Clips (AREA)
  • Shovels (AREA)
US00215739A 1972-01-06 1972-01-06 Spread-legged staple retainer for excavating tooth Expired - Lifetime US3751834A (en)

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US21573972A 1972-01-06 1972-01-06

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US (1) US3751834A (it)
AU (1) AU450843B2 (it)
DE (1) DE2261910A1 (it)
FR (1) FR2167784A1 (it)
GB (1) GB1416721A (it)
IT (1) IT976743B (it)
SU (1) SU426378A3 (it)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367602A (en) * 1981-10-13 1983-01-11 Petersen Gerald A Lock and key retainer for excavator tooth
US4676014A (en) * 1985-01-24 1987-06-30 Berchem & Schaberg Gmbh Excavator tooth
US5271708A (en) * 1991-09-13 1993-12-21 Agfa-Gevaert Aktiengesellschaft Apparatus for gathering and storing stacks of photographic prints
US5502905A (en) * 1994-04-26 1996-04-02 Caterpillar Inc. Tooth having abrasion resistant material applied thereto
US20050028407A1 (en) * 2003-08-04 2005-02-10 Ruvang John A. Connector pin assembly and associated apparatus
US20060255653A1 (en) * 2004-09-02 2006-11-16 John Gibbins Replacement Part Assembly
US8393097B2 (en) 2006-08-16 2013-03-12 Caterpillar Inc. Ground engaging tool system
US9057176B2 (en) 2011-06-28 2015-06-16 Caterpillar Inc. Retention system for a ground-engaging tool
US20190024349A1 (en) * 2016-02-12 2019-01-24 Metalogenia Research & Technologies S.L. Female part, retaining device and pin system for excavators and the like
AU2019205028B2 (en) * 2006-03-30 2021-04-01 Esco Group Llc Wear assembly
US11124951B2 (en) * 2019-04-24 2021-09-21 Caterpillar Inc. Spring steel sleeve design
WO2023211682A1 (en) * 2022-04-26 2023-11-02 Caterpillar Inc. Retaining spring clip and adapter board

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1059183A (en) * 1976-05-27 1979-07-24 Western Rock Bit Company Limited Digger tooth retainer
UA108940C2 (uk) * 2011-07-05 2015-06-25 Утримуючий пристрій, утримуюча система між охоплюючим компонентом і охоплюваним компонентом, охоплюючий компонент і охоплюваний компонент для екскаваторів і їм подібних машин
CN107059984B (zh) * 2017-04-28 2020-09-08 广西柳工机械股份有限公司 斗齿组件

Citations (14)

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Publication number Priority date Publication date Assignee Title
US1685126A (en) * 1926-09-15 1928-09-25 American Car & Foundry Co Draft-key retainer
US2216047A (en) * 1936-03-21 1940-09-24 George E Gagnier Securing moldings
US2844378A (en) * 1957-07-05 1958-07-22 Lawrence V Whistler Detachable tool fastening means
US3015248A (en) * 1958-05-07 1962-01-02 Ford Motor Co Linch pin with spring retainer means
US3021627A (en) * 1961-07-25 1962-02-20 Belle City Malleable Iron Comp Digger teeth for excavators and the like
US3091044A (en) * 1960-10-28 1963-05-28 Cleveland Trencher Co Digger tooth
US3281972A (en) * 1963-10-23 1966-11-01 Sandor R Kerestes Removable blade
US3325926A (en) * 1964-03-09 1967-06-20 Mid Continent Steel Casting Co Digger tooth and assembly for an excavating apparatus
US3397012A (en) * 1966-12-19 1968-08-13 Cincinnati Mine Machinery Co Cutter bits and means for mounting them
US3400476A (en) * 1965-07-12 1968-09-10 Petersen Anita E Crimped string retainer for excavating tooth
US3413740A (en) * 1965-12-20 1968-12-03 Petersen Anita E Frictional retainer for excavator tooth key
US3436107A (en) * 1965-06-03 1969-04-01 Atlas Copco Ab Retaining means
US3497973A (en) * 1967-05-01 1970-03-03 Caterpillar Tractor Co Compact high strength replaceable cutting edge
US3550293A (en) * 1968-07-23 1970-12-29 Caterpillar Tractor Co Loader bucket cutting edge

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1685126A (en) * 1926-09-15 1928-09-25 American Car & Foundry Co Draft-key retainer
US2216047A (en) * 1936-03-21 1940-09-24 George E Gagnier Securing moldings
US2844378A (en) * 1957-07-05 1958-07-22 Lawrence V Whistler Detachable tool fastening means
US3015248A (en) * 1958-05-07 1962-01-02 Ford Motor Co Linch pin with spring retainer means
US3091044A (en) * 1960-10-28 1963-05-28 Cleveland Trencher Co Digger tooth
US3021627A (en) * 1961-07-25 1962-02-20 Belle City Malleable Iron Comp Digger teeth for excavators and the like
US3281972A (en) * 1963-10-23 1966-11-01 Sandor R Kerestes Removable blade
US3325926A (en) * 1964-03-09 1967-06-20 Mid Continent Steel Casting Co Digger tooth and assembly for an excavating apparatus
US3436107A (en) * 1965-06-03 1969-04-01 Atlas Copco Ab Retaining means
US3400476A (en) * 1965-07-12 1968-09-10 Petersen Anita E Crimped string retainer for excavating tooth
US3413740A (en) * 1965-12-20 1968-12-03 Petersen Anita E Frictional retainer for excavator tooth key
US3397012A (en) * 1966-12-19 1968-08-13 Cincinnati Mine Machinery Co Cutter bits and means for mounting them
US3497973A (en) * 1967-05-01 1970-03-03 Caterpillar Tractor Co Compact high strength replaceable cutting edge
US3550293A (en) * 1968-07-23 1970-12-29 Caterpillar Tractor Co Loader bucket cutting edge

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367602A (en) * 1981-10-13 1983-01-11 Petersen Gerald A Lock and key retainer for excavator tooth
US4676014A (en) * 1985-01-24 1987-06-30 Berchem & Schaberg Gmbh Excavator tooth
US5271708A (en) * 1991-09-13 1993-12-21 Agfa-Gevaert Aktiengesellschaft Apparatus for gathering and storing stacks of photographic prints
US5502905A (en) * 1994-04-26 1996-04-02 Caterpillar Inc. Tooth having abrasion resistant material applied thereto
US20050028407A1 (en) * 2003-08-04 2005-02-10 Ruvang John A. Connector pin assembly and associated apparatus
US7162818B2 (en) * 2003-08-04 2007-01-16 Hensley Industries, Inc. Connector pin assembly and associated apparatus
USRE41855E1 (en) * 2003-08-04 2010-10-26 Hensley Industries, Inc. Connector pin assembly and associated apparatus
US20060255653A1 (en) * 2004-09-02 2006-11-16 John Gibbins Replacement Part Assembly
US20100247242A1 (en) * 2004-09-02 2010-09-30 John Gibbins Replacement Part Assembly
US8333439B2 (en) 2004-09-02 2012-12-18 John Gibbins Replacement part assembly
AU2019205028B2 (en) * 2006-03-30 2021-04-01 Esco Group Llc Wear assembly
US8397405B2 (en) 2006-08-16 2013-03-19 Craig Harder Ground engaging tool system
US8393097B2 (en) 2006-08-16 2013-03-12 Caterpillar Inc. Ground engaging tool system
US9057176B2 (en) 2011-06-28 2015-06-16 Caterpillar Inc. Retention system for a ground-engaging tool
US20190024349A1 (en) * 2016-02-12 2019-01-24 Metalogenia Research & Technologies S.L. Female part, retaining device and pin system for excavators and the like
US10907328B2 (en) * 2016-02-12 2021-02-02 Metalogenia Research & Technologies S.L. Female part, retaining device and pin system for excavators and the like
US11427991B2 (en) 2016-02-12 2022-08-30 Metalogenia Research & Technologies S.L. Female part, retaining device and pin system for excavators and the like
US11124951B2 (en) * 2019-04-24 2021-09-21 Caterpillar Inc. Spring steel sleeve design
US11873625B2 (en) 2019-04-24 2024-01-16 Caterpillar Inc. Spring steel sleeve design
WO2023211682A1 (en) * 2022-04-26 2023-11-02 Caterpillar Inc. Retaining spring clip and adapter board

Also Published As

Publication number Publication date
DE2261910A1 (de) 1973-07-12
FR2167784A1 (it) 1973-08-24
IT976743B (it) 1974-09-10
SU426378A3 (ru) 1974-04-30
GB1416721A (en) 1975-12-03
AU5016672A (en) 1974-07-18
AU450843B2 (en) 1974-07-18

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