专利摘要:
connector pin artifact with outer dual-purpose ends, and associated ground penetration device connector pin artifact from ground penetration devices that inserts into aligned openings of plug-in wear elements and bracket to release the wear element reliably in the support element. the set has an outer tubular housing that is not rotationally placed in the openings. the connecting pin extends longitudinally through the housing and is rotatable with respect to the housing between the selectively variable rotational orientations in which the pin is releasably locked to the housing by cooperative retaining structures composed of the housing and the pin. portions of the outer ends of the pin perform two functions that are controlled by the rotation of the pin relative to the housing. first, the outer end portions of the pin element are rotatable to selectively attach or release the wear element to the support element. second, the outer end portions of the pin are rotatable to adjust the wear element to the support element.
公开号:BR112013005399B1
申请号:R112013005399-2
申请日:2011-08-03
公开日:2020-12-15
发明作者:Patrick Campomanes;Isai Diaz
申请人:Hensley Industries, Inc;
IPC主号:
专利说明:

DESCRIPTION BACKGROUND OF THE INVENTION
The present invention relates in general to the ground penetration device, and, in an embodiment illustrated in a representative way, more particularly, it relates to a pin operational set specially designed to connect, in an improbable way, a penetration wear part of 10 ground to the support structure in relation to fit with it.
In the ground penetration technique there is a need for an improved connector pin artifact usable to removably fit a replaceable wear element, such as a tooth or intermediate adapter, to the support structure, such as a base adapter, on which wear element is fitted by fitting, with the connector pin artifact which is (1) installable without the need for a hammer inside the openings aligned in the support structure and the fitted wear element, and (2) adjustable to provide corresponding 20 adjustments wear and tear of the support structure and element, wear by periodic "tightening" of the wear element on the support structure, as needed. It is to meet this need that the present invention is essentially directed. BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a representative perspective view of a ground penetrating apparatus incorporating ping connector artifact specifically designed to implement the principles of the present invention;
The FJG. 2 is an exploded perspective view of the soil penetration apparatus;
FIG-3 is seen in an enlarged perspective of the connector pin art;
FIG. 4 is seen in cross section along the line 4-4 of FIG. 3 of the connector pin artifact;
FIG. 5 is an enlarged scale side view of the connector pin artifact with a part of the outer housing 5 removed for illustrative purposes;
FIG. 6 is a perspective view of the artifact portion: from the connector of FIG, 5;
FIG. 7 is a cross-sectional view of the pi artifact in the enlarged scale connector along line 7—7 of FIG. 4;
FIG. 8 is an elevation view of the end of the connector deping artifact on an enlarged scale along line 0-8 of FIG. 3;
FIG. 9 is a sectional view on an enlarged scale of the ground penetrating apparatus along line 9-9 of FIG. 1;
Figs. 10-10B are seen on an enlarged cross-sectional scale 15 of the ground penetrating apparatus along line 10-10 of FIG. 1 and sequentially illustrate the operation of the installed connector pin artifact;
FIG. 11 is seen in perspective of an alternative retention of the artifact, with a connector pin;
FIG. 12 is a cross-sectional view of the concrete alternative shape of the connector pin artifact along line 12—12 of FIG. 11;
FIG. 13 is an enlarged scale elevation view of the end of the alternative embodiment. Of the connector pin artifact 25 along line 13-13 of FIG. 11;
FIG. 14 is seen in lateral cross-section through the second alternative embodiment of the connector pin artifact;
FIG-15 is a cross-sectional view on a reduced scale, 30 vertically oriented through: do. ground penetrating apparatus of FIG. 14 operatively incorporated into it;
FIG. 16 is a cross-sectional view of the connector pin artifact of FIG. 14 after taking line 16-16 of FIG. 14 ;;
FIG. 17 is an enlarged scale elevation view of the upper end of the housing in which the hidden portions of the connector pin artifact of FIG. 14; and
FIG. 18 is seen in elevation from the bottom of. part of the upper portion 5 of the housing along line 18-18 of FIG. 17 ;. DETAILED DESCRIPTION
Referring initially to FIGs. 1, 2 and 9, the present invention provides a ground penetrating apparatus 10 usable in various ground work applications and which 10 comprises support structure 12, replaceable wear element 14, and specially designed connecting pin 16 which concretizes the principles of the present invention.
The support structure 12 is representative of the base adapter which has the conical front nose portion 18. 15 Alternatively, the structure of. support can be intermediate adapter; or other type of support structure. Extending horizontally by the adapter nose 18 between its opposing vertical sides is the opening 20 of the connector which has a generally circular cross section with the radially enlarged front part 20 which defines the front retention groove 22 of the opening 20.
The replaceable wear element 14 is representative of an intermediate adapter, but can alternatively be a tooth point or any other type of replaceable wear element. The conical area of the cavity 24 extends forward through the rear end 2.6 of the wear element 14 and, as best illustrated in FIG. 9., it is configured to receive the adapter nose • 18 in addition, when the wear element 14 is mounted telescopically 30 on the adapter nose 18. With the wear element 14 operatively disposed on the adapter nose. 18, the openings 28 of the connecting pin (only one of which is visible) that extends through the opposite vertical side walls of the wear element 14 in the cavity 24 are aligned with the nose connector opening 20.
Grooves on the side surface 32 (FIG. 2) are formed on the opposite side walls 3'0 of the wear element 14, the grooves 32 which extend horizontally forward through the rear end 26 of the wear element 14 and end at their front ends at the connector openings 28. The connector openings 28 and their associated inner side surface grooves 32 are 1.0 respectively similar in configuration to the connector opening 36 and the groove of the side surface 40 formed at the replaceable tooth point 14 shown in FTG. 3 of US Patent 6,708.4.31, which is incorporated herein in its entirety by reference in this application.
Now with reference to FIGs. 3-8, the connector pin artifact 16 comprises elongated solid cylindrical metallic connector pin element 34 which has an axial fixed length and longitudinal central portion 36 (FIGs, 4-6) disposed between two larger diameter end portions 38, the junctions , between the central portion 20 è the end portions 38 form spaced annular protrusions 40. A. the central portion of the pin element 36 has a series of retaining grooves 42 formed on its lateral surface, axially extending circumferentially and series of lateral projections out of .25 stop portions 44, axially spaced, circumferentially adjacent to one side of the series of grooves.
The carcass. tubular 46 (FIGS. 3, 4 and 7), which have opposite ends. 48 r.ircunscrdve the central part of the connector pin 36 with the ends 48 of the housing rev-ts laughing and 30 e.st king adjacent to the annular edges 40 The pin element 34 can rotate with respect to. housing 46, but the edges 4.0 block @ axial movement d, ç> pin element 34 with respect to a, the hollow element 46, the tubular housing 46 is formed of two side halves 46a, 46b, interconnected by means of insertps
Clips 49 (FIG. 3). O-rings 50 (FIG. 4) are provided in the interface areas between the housing 46 and the central portion of the pin element 36. Along its length the portion of the housing 46a has rib 52 which projects laterally outwards (FIGS. 3,4,7) with lateral openings: 54 (FIG. 4) extending through the rib to the inner side surface of the carcass portion 46a. Operationally arranged in the openings 54 are spring-loaded retaining elements 56 with the inner tips 10 positioned to fit resiliently in the selectively variable retaining slots 42 (FIG. 7) 'of the side surface of the pin element. Formed on the surface inside the housing portion 46B is the stop 56 radially protruding into the interior it serves, such as. 15 described later in this application, as rotation support for the stop projections 44 in the central portion 36 of the pin.
In each of the opposite end portions 38 of the connector pin element 34 there is a substantially flat shape in the front axial surface portion 60 (Figs ■ 4-6) through which 20 extends non-circular opening 62 facing inward (Figs 3, 6 and 8.). The drive openings 62 are configured to receive the appropriate tool part (not shown) used to rotate the pin element 34 with respect to the housing 46. As illustrated, such drive openings 2562 can have elongated oval shape, or hexagonal configuration, or they may, alternatively, have another suitable configuration, if desired.
Extending transversely outward from each of the surfaces of the flat and displaced ends 30: laterally from the longitudinal axis of the pin element 34, the lock / adjustment combination 64 is projected. Each projection 64 (FIGs. 3- 6 and 8j have a flat inner side surface 66 which generally extends in rope relative to the surface of the end, 60. and the opesta, curved eccentrically on the outside of the cam surface 68. Views of the ends of the pin element 34 (FIG 8)., Each projection 64 is within the peripheral envelope of its end portion of the member, of associated pin 38. As will now be described in conjunction with FIGs, 9-10B, these pin end portions 64 especially configured to perform exclusively two functions - namely, (1) to reliably lock the wear element 14 in the adapter nose 18 and allow the installation and removal of the subsequent wear elements, without removing 10 the connector pin artifact 16 of the adapter nose 18, and (2) can be used to periodically "tighten" the wear element 14 on the nose 18 when the interface between the wear element 14 and the nose loosens due to operational wear .
Looking at FI £ j first. 9, to position e. releasably lock a new wear element 14 on the adapter nose 18, the connector pin artifact 16 is first inserted into the nose opening 20, .no need to hammer the Connecting pin assembly 16 in place, such that the 20 rib 52 of the carcass is received in a complementary manner in the cavity 22 of the opening at the front of the nose. This prevents the housing 46 from rotating in relation to the nose 18, however, as previously mentioned, the element. pin number 34 of the artifact. connect pin is rotatable with respect to. frame 46, With pin end portions 25 (which are identically oriented in their respective portions, of pin 34) in the orientation of FIG. 10 [ie, the flat side surface 66 upwards as seen in the FXG. 10), the element. wear belt 14 is moved backwards towards the nose 18, as indicated by, arrow 70 is not FXG. 10.
Tsso makes sure that the end portions of the pin 64 mtjv-am move forward by half of its lateral surface associated with the grooves 32 of the wear element, as indicated by the arrow 72 in FIG. 10 until the wear element 14 reaches its rear position in FIG. 10.
Then, using one of the actuating openings 62, the pin, of connection 3.4, is rotated clockwise. As indicated by the arrow 74 on the fig. IDA, to bring the surface of each meat 68 for forced engagement with a portion of the inner rear surface (usually in position 28aj of the wear element associated with its opening 28, to thereby move the wear element 14 backwards, such as as indicated by arrow 76 in FIG. IDA for initially tightened position of wear element 14 on adapter nose 18. When wear element 14 reaches that position, retaining elements 56 (FIG. 7) engage in one of the retaining slots 4.2 of the underlying pin element to thereby resiliently lock the rotated pin element 34 in its adjusted rotational position As can be easily seen in FIG. IDA, the coupling of the pin end portions 64 rotated eccentrically with the rear surface portions 28a of the wear element openings 28 not only maintains wear element 14 in its initially tight orientation on the adapter nose 18, but also blocks □ lashing the wear element to the front of the nose 18.
Referring now to FIG. 10B, when additional tightening behind the wear element 14 on the nose 18 is required, all that is required is to further turn the connector pin 34 clockwise, as indicated by arrow 78 on the FXG. 10B, so as to fit "thicker" portions of the eccentric portions of the end of pin 64 with its associated rear areas 28a of the openings 28 of the wear element, and thereby move the wear element 14 back along the nose 18, as indicated by the arrow 8D on the FIG. 10b, and to make the retaining elements 5 6 fit into another groove 42 of the pin to reliably retain the wear element 14 in its now tighter orientation in the holder 18.
For purposes of explanation, wear wear 14; and connector pin element 34 have been shown ex its "thin" tight orientation in Fig. 10B. However, it will only be readily accepted that there are a plurality of orientations 5 intermediate tightly between those shown in Figures 1A and 10B, due to the multiple grooves of the retaining pin 42 respectively used in the connector pin artifact 16. To prevent clockwise rotation of the pin element 34 from its orientation in FIG. back to its installation orientation in FIG. 10 ( As it would be undesirable to allow the wear element 14 to move forward of the nose 18), the rotating stop elements 4 and 58 shown in FIG. 7 are relatively arranged in such a way that, when the connecting pin 34 reaches its "thinly" orientation. tightened in FIG-10B, the stop element 44 is brought to fit with the surface of the right side 82 of the stop element 58, thereby preventing further tightening rotation connector pin 34, as indicated by the arrow 84 in FIG. 7.
When it is desired to remove the. worn nose element 14 of the nose 18 the connector pin element 34 is simply rotated counterclockwise from its orientation in FIG. 1Q.B. de vóltá Its origin in FIG, 10, which permits the portions of the end of the; eccentric pin 64 runs backwards through the grooves 32 in the inner side surface of the wear element 14 when the wear element 14 is pulled forward and out of the nose 18. A düngen element üovp ppde t.màc. be installed; on ’, and in Read Ily pressed against the nose 18, as previously described in this application.
Alternative qoddtetiz.a read from the connector pin artifact described previously 1.6-e is illustrated in FIGS. 11-13. The pin artifact cpiieãtõj: 16a uses the same structure of. çaxe-aça tdnular 46 which is artifact; .pin, connector 16 ,. nas uses the modified connector pin 34a which affects two primary aspects of the previously described connector pin member 34. First, the pin element 34a has a two-piece construction pin which comprises, like; can be better seen; in FIG. 12, (1) love the first elongated section 84 5 with the previously described central cylindrical portion 3.6., Modified cylindrical portion with a left end with a larger diameter 38a, and a right end cylindrical portion 86 with a reduced diameter in relation to the diameter of the central part 36 , and (2) right tubular end portion 88 with axial opening 10 through the same extension and dimensioned, to receive slidingly and complementarily the right end portion 86.
Second, end portions 38a and 88 of the modified connector pin elements 34a have end portions of: pin 90; in flesh, which project outwardly from the end surfaces 60 of the end portions 38, a and 88. Eucamé end portions, or projections90, are formed in a similar manner to the meat end portions .64 described above, and have functions of 20. Retention is similar grip, but, as can be best seen in FIG. 13, protrude laterally outward, in addition to the peripheral envelopes of their associated pi.no end portions 3-8.a. and 88. Specifically, the outer flesh side surfaces 68a of the projections90 are disposed laterally out of their end portions of the associated pins 38a and 88.
As the projections 90 extend laterally - beyond their end portions of the associated pins 38a and 88, none of the ends of the modified connector pin artifact 30.16a as shown in FIGs. 11 and 12 can be inserted into and through the nose opening 20 (see Figs. 2 and 3). Therefore, in order to operatively install the modified connector pin artifact 16a in the nose opening 20, the end portion 88 is first removed from the end of pin 86. The section of connector pin 84 (including, tubular housing 46) is then, firstly inserted the right end as seen in FIG. 12, into and through. one end of the nose opening 20 until the small diameter pin section 86 5 projects pasha out through the. opposite end of the nose opening. The tubular pin member portion 88 is then telescopically introduced into the pin section 86, as shown in FIG. 12 and then rigidly attached to it using a suitable connecting structure, such as the illustrated pin 92 or another suitable fastening structure such as a screw or the like.
Another alternative embodiment 16b of the connector pin artifact previously described 16 is illustrated in FIG. 1.4. In the assembly 16b, initial modification is made to the connector pin artifact 16 such that the connector pin artifact 16b is provided with a pair of bophizontally elongated shim elements 94 that rest on the opposite ends of the portion. rib 52 of the upper section 46a of the tubular housing 46. The wedge elements 94 extend along the outer laterals of the end element portions 38 2.0. of the pins and are illuatratively adhesive or magnetically attached to the opposite ends of the rib portion 52.
Alternatively, the shim 94 elements can be manufactured as integral parts of the rib portion. 52. As shown in FIG. 14 the horizontal outer ends of the shim elements 94 end slightly inward; with respect to the outer ends of the end portions of the pin element 38.
Refer now to FIG. 15, with the pin artifact connect 16b operatively installed within the aligned connector openings 30 20.28 of the support structure 12 and the wear element 14, the outer ends of the shim elements 94 are internally adjacent to the inner side surface portions 96 of the wear element 14 which serves as support points for the outer end portions of the shim elements 9'4 that desirably maintain the pi.no connect artifact 16b installed in longitudinal orientation centered within the structure of the shortened support 12 and the wear element 14.
Another modification made to the pin connector artifact 16 is that, in the connector pin artifact 16b the three retaining spring structures 56 in the connector pin artifact 16 (see FIG. 4) are replaced by two structures based on retaining elastomers 98 placed at the bottom of the 10 surface cavities 100 formed in the upper portion of the housing 46a. Each retaining structure 98 comprises generally rectangular elastomer element 102 placed at the upper end of the associated cavity 100, and metallic retaining element 104 placed at the lower end of its associated cavity 15 and protruding out from the cavity.
Two other characteristics are incorporated into the alternative embodiment of the connector pin artifact 16b. First, - as best illustrated in FIG. 18, the corner areas 106., of the retaining cavities 100 are bulged outwardly, 20 to provide areas for which the. corresponding surfaces of the compressed elastomer elements 102 flow to prevent overloading of the compressed elements 102. Second, as can best be seen in FIG. 1.6., In comparison with the grooves 42 in general in the form of gears 25 that are. extend longitudinally into the retaining pin element, incorporated into the pin element 34 shown in FIG. 7, the corresponding grooves extending longitudinally through the pin element 108, shown in FIG. 16 are smoothly rounded and- are circumferentially separated by protrusions 30110 cam the rounded outer tip portions to make the pin elements 34 of FIG. 16 in relation to its associated housing 46 when the retaining elements 104 are engaged S-JCPSS ively in the rounded grooves 108.
In summary, none of the connector pin artifacts 16, 16a and 16b need to be removed from the nose 18, to install a wear element No., or remove a wear element from the nose 18, and none of the connector pin artifacts need be hammered into the nose 18. In addition, periodic, progressive tightening of the wear element 14 on the nose 18 can be easily and quickly achieved simply by rotating the pin element which is automatically maintained in its variety of orientations rotationally adjusted by those previously set. rotation retention systems have been described. In addition, the unique configuration of the flesh ends 64 and 90 of the pin serves to retain the wear element 14 on the nose 18 and adjust it by tightening the nose. In each of the representative embodiments of the pin artifact, connecting 16, 16a and 16b the distance between the cam projection pairs 64 or 90 remains constant before, during and after the. adjustment by tightening the wear element, as previously described above.
The above detailed description should be clearly understood to be offered by way of illustration and example only, the spirit and scope of the present invention will be limited only by the appended claims.
权利要求:
Claims (18)
[0001]
1. Connecting pin artifact for use in the removable form of retaining ground penetrating wear element (14) in a portion of associated support structure (12) having a connector opening in it (20), the set of pins connector (16) characterized by comprising: a hollow body extending longitudinally along an axis and being removable at the opening of the connector (20), said hollow body having opposite end surfaces (30) through which the openings of the pins (28) extend axially; a pin-connector element (34) having: a fixed length, a longitudinally central portion (36) received coaxially and rotatively in said hollow body, opposite end portions (38) external to said hollow body, having abutment surfaces retaining said hollow body in said pin element portion of the central longitudinally central connector and having axially facing outer end surfaces, and locking / adjusting projections (64) extending outwardly from parts of said outer end surfaces, each said projections (64) having an external lateral surface (68) with an eccentric curvature in relation to said axis; and cooperative retaining structures (56.98) in said longitudinally central body (36) of said connector pin element (34) to reliably retain said connector pin element in selectively variable rotation orientations in relation to said hollow body , where: said hollow body having a tubular configuration and being formed from two side portions releasably interconnected; and said opposite end portions (38) being laterally larger than said central portion (36).
[0002]
2. The connector pin artifact (16) according to claim 1, characterized by the fact that: said hollow body has a length and a non-circular cross section along said length.
[0003]
3. The connector pin artifact (16), according to claim 2, characterized by the fact that: said hollow body has a lateral projection that extends along a side portion of it.
[0004]
4. The connector pin artifact (16), according to claim 1, characterized by the fact that: each of said projections is displaced laterally from said axis.
[0005]
5. The connector pin artifact (16) according to claim 1, characterized by the fact that: at least one of the said outer end surfaces has a non-circular drive opening which extends inwards through it.
[0006]
6. The connector pin artifact (16) according to claim 1, characterized by the fact that said cooperation retaining structures comprise: a series of axially extending retaining slots (42) are evenly spaced circumferentially on the surface side of said longitudinally central portion (36) of said connector pin element (34), and at least one spring retaining element (56) positioned to operatively fit into one of said selectively variable grooves (42) in response to the relative rotation between the hollow body and said pin-connector element (34).
[0007]
7. The connector pin artifact (16) according to claim 1, characterized by the fact that said cooperation retaining structures comprise: a circumferentially spaced series of axially extending retaining grooves on the lateral surface of said longitudinally central portion of said connector pin element (34), a cavity formed in said hollow body, an elastomeric element (102) carried in an inner portion of said recess, and a rigid retaining element carried in an external portion of said recess and movable for inside to compress said elastomeric element (102) and then fit resiliently to a selective variable in one of said holding grooves (42).
[0008]
8. The connector pin artifact (16), according to claim 7, characterized by the fact that: said cavity has an expansion area to receive portions of said elastomeric element (102) when it is under compression to limit the overload compression of said elastomeric element (102).
[0009]
9. The connector pin artifact (16), according to claim 8, characterized by the fact that: said cavity has a generally rectangular cross section, and said expansion area is defined by bulging out of corner portions of the said cavity.
[0010]
10. The connector pin artifact (16), according to claim 1, characterized by the fact that it further comprises: cooperatively coupled back structures composed of said longitudinally central portion of said connector pin element (34) and of said hollow body and being operable to limit the total amount of relative rotation between said connector pin element (34) and said hollow body.
[0011]
11. The connector pin artifact (16), according to claim 1, characterized by the fact that: each of said projections is arranged within the peripheral envelope of its associated outer edge surface.
[0012]
12. The connector pin artifact (16), according to claim 1, characterized by the fact that: each of the said projections has a portion that projects laterally outward beyond the peripheral envelope of its associated external final surface.
[0013]
13. The connector pin artifact (16) according to claim 12, characterized by the fact that: said portion that projects laterally outward beyond the peripheral envelope of its associated outer terminal surface includes the outer lateral surface of the projection having said eccentric curvature.
[0014]
14. The connector pin artifact (16) according to claim 1, characterized by the fact that: said connector pin element (34) is of a single piece.
[0015]
15. The connector pin artifact (16) according to claim 1, characterized by the fact that said connector pin element comprises two axial portions attached to each other in fixed relation.
[0016]
The connector pin artifact (16) according to claim 15, characterized in that: one of said two axial portions is an end portion of said connector pin element (34).
[0017]
17. The connector pin artifact (16) according to claim 3, characterized by the fact that: said lateral projection has opposite ends axially spaced into the end surfaces of said opposite end portions of said connector pin element (34), and said connector pin element (34) further has shim portions that extend longitudinally out of the opposite ends of said side lobe.
[0018]
18. The connector pin artifact (16) according to claim 17, characterized by the fact that: said shim portions are attachable to said lateral projection.
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公开号 | 公开日
DK2614187T3|2019-01-28|
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BR112013005399A2|2016-11-16|
SG188431A1|2013-04-30|
AP2013006791A0|2013-04-30|
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CN103168138A|2013-06-19|
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JP5583853B2|2014-09-03|
CO6700849A2|2013-06-28|
EP2614187A1|2013-07-17|
UA104115C2|2013-12-25|
CN103168138B|2016-03-16|
KR101501896B1|2015-03-12|
EA031832B1|2019-02-28|
EP3147409B1|2021-10-06|
AU2011299514A1|2013-05-02|
EP3147409A1|2017-03-29|
EA031836B1|2019-02-28|
PE20131498A1|2013-10-31|
PL2614187T3|2019-04-30|
MA34601B1|2013-10-02|
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HRP20182148T1|2019-03-08|
CA2810194C|2015-05-05|
MX2013002573A|2013-04-29|
MX339222B|2016-05-17|
EP2614187B1|2018-10-10|
AR082918A1|2013-01-16|
JP2013537269A|2013-09-30|
EP2614187A4|2016-10-12|
PT2614187T|2018-11-20|
CL2013000641A1|2013-07-19|
ES2702106T3|2019-02-27|
KR20130079528A|2013-07-10|
CA2810194A1|2012-03-15|
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EA201390355A1|2013-08-30|
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EA201591080A1|2016-01-29|
PT3147409T|2021-12-28|
US20120055052A1|2012-03-08|
UY33594A|2013-04-05|
AU2011299514B2|2014-04-03|
ZA201302473B|2020-03-25|
BR122020001155B1|2021-08-24|
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法律状态:
2016-10-11| B12F| Other appeals [chapter 12.6 patent gazette]|
2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
2019-10-22| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
2020-08-25| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
2020-12-15| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/08/2011, OBSERVADAS AS CONDICOES LEGAIS. |
优先权:
申请号 | 申请日 | 专利标题
US38077610P| true| 2010-09-08|2010-09-08|
US61/380,776|2010-09-08|
US13/156,495|2011-06-09|
US13/156,495|US8387290B2|2010-09-08|2011-06-09|Connector pin assembly with dual function outer end portions, and associated ground engaging apparatus|
PCT/US2011/046356|WO2012033579A1|2010-09-08|2011-08-03|Connector pin assembly with dual function outer end portions, and associated ground engaging apparatus|BR122020001155-6A| BR122020001155B1|2010-09-08|2011-08-03|SOIL PENETRATION DEVICE|
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