Process for positioning various poles and the like and device for embodying the same
First Claim
Patent Images
1. A device for placing sleeves into the ground, each sleeve to receive a pole or like member, comprising:
- a frame;
a sleeve detachably mounted on said frame;
a penetration pin having an inner diameter slightly smaller than that of said sleeve and a length longer than that of said sleeve;
inserting means connected to said frame for causing said pin to downwardly pass through said sleeve for inserting said pin into the ground, and for lifting said pin upwardly when said pin and said sleeve are embedded in the ground;
following means connected to said frame for causing said sleeve to follow the downward movement of said pin;
reciprocably movable means connected to said frame for retaining said sleeve in the ground when said pin is removed from said sleeve; and
coordinating means connected to said frame for synchronizing the movements of said inserting means and said reciprocably movable means;
whereby said sleeve remains in the ground when said Pin is extracted and whereby a pole may thereafter be inserted into said sleeve.
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Abstract
A pin is engaged in a tubular sleeve and both the sleeve and the pin are driven into the ground with the pin protruding beneath the sleeve. A stop is applied on top of the sleeve and the pin is removed and a pole is then inserted into the sleeve.
35 Citations
33 Claims
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1. A device for placing sleeves into the ground, each sleeve to receive a pole or like member, comprising:
- a frame;
a sleeve detachably mounted on said frame;
a penetration pin having an inner diameter slightly smaller than that of said sleeve and a length longer than that of said sleeve;
inserting means connected to said frame for causing said pin to downwardly pass through said sleeve for inserting said pin into the ground, and for lifting said pin upwardly when said pin and said sleeve are embedded in the ground;
following means connected to said frame for causing said sleeve to follow the downward movement of said pin;
reciprocably movable means connected to said frame for retaining said sleeve in the ground when said pin is removed from said sleeve; and
coordinating means connected to said frame for synchronizing the movements of said inserting means and said reciprocably movable means;
whereby said sleeve remains in the ground when said Pin is extracted and whereby a pole may thereafter be inserted into said sleeve.
- a frame;
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2. Device as set forth in claim 1, wherein said pin includes a shoulder at the upper portion of the pin and an extracting component bearing beneath said shoulder.
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3. Device as set forth in claim 1, wherein said inserting means is a pressure operated vibrating means.
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4. Device as set forth in claim 1, further including means in conjunction with said sleeve for compressing the surface of the ground immediately adjacent said sleeve.
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5. Device as set forth in claim 1, further including a means for positioning a pole into the sleeve.
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6. Device as set forth in claim 1, further comprising means connected to said frame for positioning covers removably closing the sleeves inserted into the ground.
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7. Device as set forth in claim 1, further including supporting and positioning means for supporting the sleeve and positioning said sleeve concentrically with respect to said pin.
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8. Device as set forth in claim 7, wherein said supporting and positioning means comprises pivotally mounted and springly urged flaps.
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9. Device as set forth in claim 8, wherein said flaps further include stop members.
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10. Device as set forth in claim 8, further including guide means aligned with said flaps for supporting successive sleeves.
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11. Device as set forth in claim 10, wherein said guide means is at least partly sloped whereby the successive sleeves are urged by gravity.
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12. Device as set forth in claim 1, wherein said penetration pin comprises a cylindrical part connected to a digging portion.
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13. Device as set forth in claim 12, wherein the digging portion is ogive shaped.
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14. Device as set forth in claim 12, wherein a peripheral groove is provided between the cylindrical part and the digging portion for housing the lower portion of the sleeve.
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15. Device as set forth in claim 12, wherein the digging portion of the penetration pin is removably connected to the cylindrical part thereof.
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16. Device as set forth in claim 1, wherein said penetration pin further includes a friction preventative means for limiting the friction thereof with the inner wall of the sleeve, whereby extraction of the pin is facilitated.
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17. Device as set forth in claim 16, wherein said friction preventative means includes longitudinal ribs provided on the pin.
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18. Device as set forth in claim 16, wherein said friction preventative means includes helical ribs provided on the pin.
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19. Device as set forth in claim 1, further comprising limiting means for limiting the downward movement of the pin and the sleeve, whereby the inserted sleeves are slightly protruding above the ground.
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20. Device as set forth in claim 7, wherein the supporting and positioning means includes two sliding guides for positioning the sleeves therebetween, said sliding guides including swivelling flaps with a resilient return as well as swivelling arms and retaining stops for maintaining the sleeve next to the sleeve concentrically position to the pin.
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21. Device as set forth in claim 1, wherein said inserting means comprises a penetration jack and said pin comprises the piston of said penetration jack, said following means and said reciprocably moving means comprises a second jack and a holding member supported by the piston of said second jack, and said coordinating means causes the operation of said second jack to be in a time relation to said penetration jack such that the sleeve placed in the ground is prevented from being extracted when the piston of the penetration jack is moved upwardly.
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22. Device as set forth in claim 1, wherein:
- said penetrating pin and said inserting means comprise a penetration jack having a piston having an upper portion with a diameter greater than the inside diameter of the sleeve and a lower extension portion having a diameter slightly smaller than that of said sleeve and a length longer than that of said sleeve, said lower extension portion of said piston being said penetrating pin, SAID following means and said reciprocably movable means comprise a cylindrical part disposed coaxially to said piston, said cylindrical part being supported by hinged parallelograms carried by the body of the penetration jack, resilient elements being further provided to urge said hinged parallelograms against deformation thereof during the downward movement of the piston, whereby during downward movement of the pin said lower extension of said piston passes through the cylindrical part and through the sleeve until the larger diameter portion of said piston bears on top of the cylindrical part to cause the sleeve to follow the downward movement of the pin, a locking member being further provided to lock the parallelograms in the deformed position thereof during the upward movement of the pin whereby the cylindrical part retains the sleeve during said upward movement of the pin, means being still further provided to unlock said locking member when the pin is moved up a given length whereby the resilient elements return said parallelograms to the undeformed position thereof.
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23. Device as set forth in claim 22, wherein means are provided on said parallelograms to damper its return.
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24. Device as set forth in claim 22, wherein the locking members for the parallelograms comprise levers provided with stops, said levers being unlocked when the pin is moved up a given length by means of a lug supported by the piston of the penetration jack and coming against a further stop provided on one of said levers.
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25. Device as set forth in claim 1, further including a tractor frame being connected at the rear portion thereof.
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26. Device as set forth in claim 1, further including a drive means with a trailer connected thereto, said frame being placed on said trailer in line with the median axis of said drive means.
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27. Device as set forth in claim 1, further including a drive means with a trailer connected thereto, said frame being placed on said trailer laterally set-off with respect to the median axis of said drive means.
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28. Device as set forth in claim 21, wherein a compression plate is placed beneath said holding member whereby the ground surface around the sleeve is compressed upon completion of the introduction of the sleeve into the ground.
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29. Device as set forth in claim 1, wherein:
- said penetrating pin and said inserting means comprise a penetration jack having a piston having an upper portion with a diameter greater than the inside diameter of the sleeve and a lower extension portion having a diameter slightly smaller than that of said sleeve and a length longer than that of said sleeve, said lower extension portion of said piston being said penetrating pin, said following means comprises a cylindrical part positioned concentrically with said piston having an inside diameter greater than the lower extension portion of said piston and less than the upper portion of said piston such that the shoulder between the two portions of said piston can bear upon said cylindrical part, said following means further including a compression plate connected to said cylindrical part therebeneath, whereby the piston of said penetration jack drives said cylindrical part and said compression plate during its downward movement.
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30. Device as set forth in claim 28, wherein said compression plate is connected to the holding member by a sheath through which said sleeve is provided to pass.
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31. Device as set forth in claim 1, further comprising a tank mounted on said frame for distributing liquid mortar or concrete and wherein the penetration pin is insidely provided with a duct emerging near the bottom of said pin, said duct being connected to said tank, whereby the liquid mortar or concrete is injected into the ground during the penetration of the pin into the ground.
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32. Device as set forth in claim 28 comprising further a container opened at the two ends thereof and having a cross-sectional area slightly larger than that of said compression plate, mEans to place the container on the ground surface concentric to said compression plate, said container containing a contributing material of sand, gravel, concrete or the like, whereby said contributing material is compressed into the surface of the ground by the compression plate during the downward movement of the pin.
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33. Device as set forth in claim 29 comprising further a container opened at the two ends thereof and having a cross-sectional area slightly larger than that of said compression plate, means to place the container on the ground surface concentric to said compression plate, said container containing a contributing material of sand, gravel, concrete or the like, whereby said contributing material is compressed into the surface of the ground by the compression plate during the downward movement of the pin.
Specification