CA1195554A - Earth working tool and holder therefor - Google Patents
Earth working tool and holder thereforInfo
- Publication number
- CA1195554A CA1195554A CA000450295A CA450295A CA1195554A CA 1195554 A CA1195554 A CA 1195554A CA 000450295 A CA000450295 A CA 000450295A CA 450295 A CA450295 A CA 450295A CA 1195554 A CA1195554 A CA 1195554A
- Authority
- CA
- Canada
- Prior art keywords
- tool
- blade
- earth
- channel
- end portion
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B35/00—Other machines for working soil not specially adapted for working soil on which crops are growing
- A01B35/20—Tools; Details
- A01B35/22—Non-rotating tools; Resilient or flexible mounting of rigid tools
- A01B35/225—Non-rotating tools; Resilient or flexible mounting of rigid tools the tools being adapted to allow the chisel point to be easily fitted or removed from the shank
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fertilizing (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
The present invention relates to a fertilizing tool and holder therefor. The holder interconnects the fertiliz-ing tool with a shank of a cultivator. The holder has a base portion provided with at least one aperture through which a bolt passes to releasably secure the holder to the shank.
The holder is further provided with a pair of spaced apart wall portions, upstanding from the base portion, defining a tool receiving channel with a forward opening. The wall por-tions include aligned apertures and have a rigid transverse member extending therebetween to reinforce the wall portions.
The wall portions are adapted to matingly receive the tool in the channel whereby an adjacent end of the tool abuttingly engages the transverse member and the base portion. A second nut and bolt or a roll pin passes through the aligned aper-tures and an aperture in the adjacent end of the tool to re-leasably secure the tool to the holding device. At least one of the wall portions includes shielding protrusions adjacent its aperture to protect the nut. The use of this holding de-vice permits for the tool to be readily replaced. The fertilizing tool comprises an elongated blade having a for-ward facing, substantially flat nosed end portion which is adapted to cut into and shear earth below surface soil. The blade is further provided with a leading cutting edge extend-ing above the flat nosed end portion which cutting edge is adapted to cut through the earth. A channel is cast in the blade for delivering fertilizer behind the flat nosed end portion. This novel fertilizing tool delivers fertilizer below the seed line with minimal tillage.
The present invention relates to a fertilizing tool and holder therefor. The holder interconnects the fertiliz-ing tool with a shank of a cultivator. The holder has a base portion provided with at least one aperture through which a bolt passes to releasably secure the holder to the shank.
The holder is further provided with a pair of spaced apart wall portions, upstanding from the base portion, defining a tool receiving channel with a forward opening. The wall por-tions include aligned apertures and have a rigid transverse member extending therebetween to reinforce the wall portions.
The wall portions are adapted to matingly receive the tool in the channel whereby an adjacent end of the tool abuttingly engages the transverse member and the base portion. A second nut and bolt or a roll pin passes through the aligned aper-tures and an aperture in the adjacent end of the tool to re-leasably secure the tool to the holding device. At least one of the wall portions includes shielding protrusions adjacent its aperture to protect the nut. The use of this holding de-vice permits for the tool to be readily replaced. The fertilizing tool comprises an elongated blade having a for-ward facing, substantially flat nosed end portion which is adapted to cut into and shear earth below surface soil. The blade is further provided with a leading cutting edge extend-ing above the flat nosed end portion which cutting edge is adapted to cut through the earth. A channel is cast in the blade for delivering fertilizer behind the flat nosed end portion. This novel fertilizing tool delivers fertilizer below the seed line with minimal tillage.
Description
This applica-tion is a division of application ser-ial number ~0~,121 filed May 17, 1982.
The present invention relates to a ground working tool and a holding device therefor. In particular it relates 5to an earth breaking fertilizing tool and a holding device therefor.
Earth working tools, such as agricultural sweeps, sod-busters, and banding tools, are usually attached directly to the end of a tine or shank of a cultivator. These earth breaking tools are provided with a stem portion which is se-cured directly to the shank by means of bolts passing through one or more aligned apertures in the shank and stem. The problem with connecting the earth working tool directly -to the shank occurs when the earth working tool must be replaced due either to excessive wear or damage. Usually, to remove the tool from the shank the bolts have to be sheared off be-cause the threads on -the bolt and adjoining nut have been damaged. As a result, a cultivator, which has about forty of these earth working tools, may have a considerable down-time to replace one of the tools. As can be appreciated, replace-ment of a tool under such conditions is considerably expen-sive to a farmer.
One earth breaking tool, or banding tool, currently in use c~mprises a blade having a flat edge the end of which is tipped to cut into and through the earth. Two delivery tubes are welded behind the blade to deliver seed and fertil-izer into the ground. The purpose of this banding tool is to dsliver fertilizer into the ground beneath the seed so as to enhance the growth of the crop as the seed grows downwardly ~L~955~i~
in-to the fertilized 50il. Ihe problem with this banding tool, however, is that the flow of fertilizer through the tubes may be impeded by either the tube outlet becorning clogged with soil or the Eertiziler freezing. Because the end of the tool is adapted to fasten directly to a shank, the bolts connecting the banding tool to the shank are subject to the problems mentioned hereinabove regarding replacement of the tool. Also, the flat edge of the banding tool produces a considerable amount of drag as the tool is pulled through the ground thereby making the energy cost of using the tool con-siderably high, Lastly, the banding tool is a weldment and is therefore costly to manufacture.
It is therefore an object of the present invention to provide an earth breaking tool that is not subject to one or more of the disadvantages mentioned hereinabove.
It is a further object of the present invention to provide a tool holding device which permits for relatively easy replacement of the tool.
In accordance with one aspect of the present inven-tion there is provided a tool holding device adapted to in terconnect a ground working tool and a shank. The device in-cludes a base portion securable to the shank and two spaced apart wall portions defining a tool receiving channel with a forward opening. The wall portions are adapted to matingly receive and releasably secure the tool therein.
The tool holding device may further include a rigid transverse member which extends between the wall portions -to reinforce the wall portions and abuttingly engage an adjacent end of the tool to restrain movement thereof. Further, the tool may abuttingly engage the base portion when secured be-tween the two walls. The base portion may be releasably securable with the shank to provide replacement o-E the tool holding device should this device become damaged.
Preferably, the base portion of the too~l holding device is provided with at least one aperture through which first securing means or bolts pass to releasably secure the tool holding device to the shank. Also, the wall portions are provided with aligned apertures and the tool is provided with an aperture through which a second securing means, such as a nut and bolt or roll pin, passes to releasably secure the tool to a holding device. An external surface of one of the wall portions is provided with at least one shielding protrusion to protect the second securing means~
By providing a too] holding device as described hereinabove, a tool may be readily replaced when it is worn or damaged because the holding device protects the means for securing the tool within the holding device. Further, be-cause the tool abuts the base portion, the tool protects the first securing means securing the base portion to the shank of a cultivator. Therefore, the tool holding device may be removed at any time. As can be appreciated the easier re-placement of the tool and tool holder reduces the consider-able down-time cost that would otherwise be incurred by a farmer.
In ~ccordance with another aspect of the present invention there is provided an earth breaking tool comprising an elongated blade. The blade has a forward facing, substan-tially flat nosed end portion which is adapted to cut into ~s~
earth. The blade has a leading cutting edge extending above the flat nosed end portion which cutting edge is adapted to cut through the earth.
The flat nosed end portion of the tool may be pro-vided with a tip and be adapted to shear the earth below the surface soil. The flat nosed end portion is adapted to shear the hardpan and the leading cutting edye cuts through the earth above the hardpan. As a result, less energy is expend-ed to draw the earth breaking tool through the earth.
The cutting edge preferably extends to an upper portion of the blade which is above the surface soil when the blade is in use. This upper portion is stepped to reduce soil build up on the upper portion of the blade to which a holding device is at-tachedO
The blade may further be contoured above the flat nosed end portion and adjacent the cutting edge so as to facilitate penetration of the flat nosed end portion into the earth. The opposing sides of the blade may be flared so as to temporarily spread the earth apart. Behind the flat nosed end portion is provided a channel in the blade for dropping fertilizer behind the flat nosed end portion when the soil is temporarily spread apart. After the fertilizer is delivered, the ground folds back thereby preventing loss of the fertil-izer to the atmosphere. The placement of the channel behind the flat nosed end portion of the tool reduces the risk of the tube outlet clogging with soil. The location of the channel in the blade is less expensive than welding a tube to a blade of dissimilar materialO Further, it is believed that the location of the channel in the blade may preven-t the ~S5~
fertilizer from freezing as the frictional forces acting against the blade will tend to warm the blade and channel.
Another advantage with the earth cutting tool is that it cuts in-to the earth with minimal tillage and drps fertilizer well into the earth thereby enhancing pasture rejuvination.
For better understanding of the nature and objects of the present invention reference may be had by way of ex-ample to the accompanying diagrammatic drawings in which:
Fig. l is an exploded perspective view of a tool holdiny device of the present invention;
Fig. 2 is a side view of a tool holding device in-terconnectirlg the shank of a cultivator and an earth working tool;
Fig. 3 is a top view of a tool holding device se-curing the aarth working tool;
Fig. 4 is a front perspective view of a fertilizing tool of the present invention;
Fig. 5 is a rear perspective view of a fertilizing tool of the present invention; and Fig. 6 is a side elevational view of a fertilizing tool of the present invention showing an alternative channel.
Figs. 7 and 8 are additional views illustrating another fertilizing tool constructed in accordance with the spirit of the present invention.
Referring now to Figs. l, 2 and 3, the preferred tool holding device of the present invention will be de-scribed. The tool holding device lO is adapted to intercon nect a ground working tool 12 and a shank or tine 14 of a cultivator (not shown). The tool holding device 10 includes s~
a base portion 16 which is securable with the shank 14~ The base portion is provided with two recessed apertures one of which is shown in Fig. l at 18. ~olts 20 pass through aper-tures 18 and corresponding slots in shank 14 to secure shanlc 14 with the base portion 16 of holding device lO. The base portion 16 is further provided wi-th flanges 22 which overlay shank 14 so as to readily position holding device 10 with re~
spect to shank 14.
The too:L holding device is ~urther provided with two upstanding wall portions 24 which are spaced apart to de-Eine a receiving channel 26 having a forward opening 28. Ex-tending between walls 24 is a rigid reinforcing transverse member 30. The wall portions 24 are provided with aligned apertures 32. Adjacent one of the aligned apertures 32 on lS the outside surface of one of the wall portions 28 are two shielding protrusions 34. The shielding protrusions 34 pro~
tect nut 36 from damage due to soil passing thereover.
A ground working tool 12 has an end 40 which is matingly received by channel 26 such that the end 40 of tool 12 abuttingly engages bracket 30 and base portion 16 as il-lustrated in Figs. 2 and 3. A securing means, bolt 42 and nut 36, passes through aligned apertures 32 and aperture 44 of tool 12 to releasably secure the tool in the tool holding device. Alternatively, a roll pin may be used instead of bolt 42 and nut 36.
The t:ool holding device 10 allows tool 12 to be readily replaced because soil tends not to travel over the nut 36 and bolt 42 in a fashion that would damage these parts. Further, the bolts 20 are protected by the adjacent ~55i S;~
end of the tool 10 allowing the tool holding device 10 to be readily replaced should it become damagedO
It should be understood that while the tool 12 is illustrated as a fertilizing tool, that the tool attached to the holder may comprise a sod-busting tool, an agricultural sweep, a banding tool, or any ot:her suitable earth working tool.
Referring to Figs. 2 and 4 to 6, a preferred earth breaking tool 12 of the present invention will be described.
The earth breaking tool 12 illustrated i5 a fertilizing tool.
The tool 12 comprises an el,ongated blade 46 having a forward ~acing, substantially flat nosed end portion 48 which is adapted to cut into earth. The flat nosed end por-tion 48 is provided with a tip 50 which together with portion 48 are adapted to shear the earth below the surface soil.
Above the flat nosed end portion 48 is provided a leading cutting or knife edge 52 which is adapted to cut through the earth and provide minimal tillage. The portion o-E the blade 46 adjacent the Elat nosed end portion 48 and ~the cutting edge 52 is contoured to facilitate the penetration of the flat nosed end portion 48 into the earth. The upper portion 54 of blade 46 is stepped to reduce soil build up on the upper portion 54 of the blade. This upper portion 54 is normally above the soil surface when the tool 12 is in use.
Referring to Fig. 2, the tool 12 moves to the left of the sheet of drawings when in use and -the upper portion 54 is secured with the tool holding device lOo Cast into the blade 38 is a fertilizer delivery channel 56. Channel 56 has an inlet adapted for connection ~95~
o.~9 with delivery tube 5~ and an outlet which terminates into small outlet ports 60 located on either side of keel 62 in a rear portion of the tool behind the flat nosed end portion 4~. These ports are used to deliver fertiliæer in a gaseous form. Alternatively, the channel may extend through the keel 62 and provide a single outlet port for the delivery of fertilizer (see Figure 6). Keel 62 is provided to reinforce channel 56. The channel 56 delivers fertilizer in the form of gas or liquid into the ground behind the flat nosed end portion 48 to reduce the possiblity of the outlet ports 60 becoming clogged with soil. The angle at which the tool 12 cuts through the earth is illustrated in Figure 2 wherein -the surface of the ground is designated by numeral 66.
The blade 46 gently flares at 64 such that when the blade is drawn through the earth the flared portions 64 tem-porarily spread the earth so that the fertilizer may drop from outlet 60 down into the earth.
Referring to Figures 7 and ~ another preferred fertilizing tool 12 is illustrated. The tool illustrated in these figures is identical to the tool of Figures 2 and 4 to 6 except for two differences. The first difEerence is that tool 12 includes a second aperture 44A provided for side mounting the tool 12 to a shank, tool holder, or the likec The second difference is at the rear portion 57 of the tool 12. The first channel 56 has a larger opening and a boss 59 is provided having a second fertilizer delivery channel 56A.
Two different types of fertilizer can be delivered separately through each of these channels thereby making the fertilizer tool 12 a banding tool.
- 9 ~ -I-t should be understood that the foregoing descrip-tion of the drawings has been for a preferred embodiment o:E
the presen-t invention and that alternate embodiments may be readily apparent therefrom to a man skilled in the art.
The present invention relates to a ground working tool and a holding device therefor. In particular it relates 5to an earth breaking fertilizing tool and a holding device therefor.
Earth working tools, such as agricultural sweeps, sod-busters, and banding tools, are usually attached directly to the end of a tine or shank of a cultivator. These earth breaking tools are provided with a stem portion which is se-cured directly to the shank by means of bolts passing through one or more aligned apertures in the shank and stem. The problem with connecting the earth working tool directly -to the shank occurs when the earth working tool must be replaced due either to excessive wear or damage. Usually, to remove the tool from the shank the bolts have to be sheared off be-cause the threads on -the bolt and adjoining nut have been damaged. As a result, a cultivator, which has about forty of these earth working tools, may have a considerable down-time to replace one of the tools. As can be appreciated, replace-ment of a tool under such conditions is considerably expen-sive to a farmer.
One earth breaking tool, or banding tool, currently in use c~mprises a blade having a flat edge the end of which is tipped to cut into and through the earth. Two delivery tubes are welded behind the blade to deliver seed and fertil-izer into the ground. The purpose of this banding tool is to dsliver fertilizer into the ground beneath the seed so as to enhance the growth of the crop as the seed grows downwardly ~L~955~i~
in-to the fertilized 50il. Ihe problem with this banding tool, however, is that the flow of fertilizer through the tubes may be impeded by either the tube outlet becorning clogged with soil or the Eertiziler freezing. Because the end of the tool is adapted to fasten directly to a shank, the bolts connecting the banding tool to the shank are subject to the problems mentioned hereinabove regarding replacement of the tool. Also, the flat edge of the banding tool produces a considerable amount of drag as the tool is pulled through the ground thereby making the energy cost of using the tool con-siderably high, Lastly, the banding tool is a weldment and is therefore costly to manufacture.
It is therefore an object of the present invention to provide an earth breaking tool that is not subject to one or more of the disadvantages mentioned hereinabove.
It is a further object of the present invention to provide a tool holding device which permits for relatively easy replacement of the tool.
In accordance with one aspect of the present inven-tion there is provided a tool holding device adapted to in terconnect a ground working tool and a shank. The device in-cludes a base portion securable to the shank and two spaced apart wall portions defining a tool receiving channel with a forward opening. The wall portions are adapted to matingly receive and releasably secure the tool therein.
The tool holding device may further include a rigid transverse member which extends between the wall portions -to reinforce the wall portions and abuttingly engage an adjacent end of the tool to restrain movement thereof. Further, the tool may abuttingly engage the base portion when secured be-tween the two walls. The base portion may be releasably securable with the shank to provide replacement o-E the tool holding device should this device become damaged.
Preferably, the base portion of the too~l holding device is provided with at least one aperture through which first securing means or bolts pass to releasably secure the tool holding device to the shank. Also, the wall portions are provided with aligned apertures and the tool is provided with an aperture through which a second securing means, such as a nut and bolt or roll pin, passes to releasably secure the tool to a holding device. An external surface of one of the wall portions is provided with at least one shielding protrusion to protect the second securing means~
By providing a too] holding device as described hereinabove, a tool may be readily replaced when it is worn or damaged because the holding device protects the means for securing the tool within the holding device. Further, be-cause the tool abuts the base portion, the tool protects the first securing means securing the base portion to the shank of a cultivator. Therefore, the tool holding device may be removed at any time. As can be appreciated the easier re-placement of the tool and tool holder reduces the consider-able down-time cost that would otherwise be incurred by a farmer.
In ~ccordance with another aspect of the present invention there is provided an earth breaking tool comprising an elongated blade. The blade has a forward facing, substan-tially flat nosed end portion which is adapted to cut into ~s~
earth. The blade has a leading cutting edge extending above the flat nosed end portion which cutting edge is adapted to cut through the earth.
The flat nosed end portion of the tool may be pro-vided with a tip and be adapted to shear the earth below the surface soil. The flat nosed end portion is adapted to shear the hardpan and the leading cutting edye cuts through the earth above the hardpan. As a result, less energy is expend-ed to draw the earth breaking tool through the earth.
The cutting edge preferably extends to an upper portion of the blade which is above the surface soil when the blade is in use. This upper portion is stepped to reduce soil build up on the upper portion of the blade to which a holding device is at-tachedO
The blade may further be contoured above the flat nosed end portion and adjacent the cutting edge so as to facilitate penetration of the flat nosed end portion into the earth. The opposing sides of the blade may be flared so as to temporarily spread the earth apart. Behind the flat nosed end portion is provided a channel in the blade for dropping fertilizer behind the flat nosed end portion when the soil is temporarily spread apart. After the fertilizer is delivered, the ground folds back thereby preventing loss of the fertil-izer to the atmosphere. The placement of the channel behind the flat nosed end portion of the tool reduces the risk of the tube outlet clogging with soil. The location of the channel in the blade is less expensive than welding a tube to a blade of dissimilar materialO Further, it is believed that the location of the channel in the blade may preven-t the ~S5~
fertilizer from freezing as the frictional forces acting against the blade will tend to warm the blade and channel.
Another advantage with the earth cutting tool is that it cuts in-to the earth with minimal tillage and drps fertilizer well into the earth thereby enhancing pasture rejuvination.
For better understanding of the nature and objects of the present invention reference may be had by way of ex-ample to the accompanying diagrammatic drawings in which:
Fig. l is an exploded perspective view of a tool holdiny device of the present invention;
Fig. 2 is a side view of a tool holding device in-terconnectirlg the shank of a cultivator and an earth working tool;
Fig. 3 is a top view of a tool holding device se-curing the aarth working tool;
Fig. 4 is a front perspective view of a fertilizing tool of the present invention;
Fig. 5 is a rear perspective view of a fertilizing tool of the present invention; and Fig. 6 is a side elevational view of a fertilizing tool of the present invention showing an alternative channel.
Figs. 7 and 8 are additional views illustrating another fertilizing tool constructed in accordance with the spirit of the present invention.
Referring now to Figs. l, 2 and 3, the preferred tool holding device of the present invention will be de-scribed. The tool holding device lO is adapted to intercon nect a ground working tool 12 and a shank or tine 14 of a cultivator (not shown). The tool holding device 10 includes s~
a base portion 16 which is securable with the shank 14~ The base portion is provided with two recessed apertures one of which is shown in Fig. l at 18. ~olts 20 pass through aper-tures 18 and corresponding slots in shank 14 to secure shanlc 14 with the base portion 16 of holding device lO. The base portion 16 is further provided wi-th flanges 22 which overlay shank 14 so as to readily position holding device 10 with re~
spect to shank 14.
The too:L holding device is ~urther provided with two upstanding wall portions 24 which are spaced apart to de-Eine a receiving channel 26 having a forward opening 28. Ex-tending between walls 24 is a rigid reinforcing transverse member 30. The wall portions 24 are provided with aligned apertures 32. Adjacent one of the aligned apertures 32 on lS the outside surface of one of the wall portions 28 are two shielding protrusions 34. The shielding protrusions 34 pro~
tect nut 36 from damage due to soil passing thereover.
A ground working tool 12 has an end 40 which is matingly received by channel 26 such that the end 40 of tool 12 abuttingly engages bracket 30 and base portion 16 as il-lustrated in Figs. 2 and 3. A securing means, bolt 42 and nut 36, passes through aligned apertures 32 and aperture 44 of tool 12 to releasably secure the tool in the tool holding device. Alternatively, a roll pin may be used instead of bolt 42 and nut 36.
The t:ool holding device 10 allows tool 12 to be readily replaced because soil tends not to travel over the nut 36 and bolt 42 in a fashion that would damage these parts. Further, the bolts 20 are protected by the adjacent ~55i S;~
end of the tool 10 allowing the tool holding device 10 to be readily replaced should it become damagedO
It should be understood that while the tool 12 is illustrated as a fertilizing tool, that the tool attached to the holder may comprise a sod-busting tool, an agricultural sweep, a banding tool, or any ot:her suitable earth working tool.
Referring to Figs. 2 and 4 to 6, a preferred earth breaking tool 12 of the present invention will be described.
The earth breaking tool 12 illustrated i5 a fertilizing tool.
The tool 12 comprises an el,ongated blade 46 having a forward ~acing, substantially flat nosed end portion 48 which is adapted to cut into earth. The flat nosed end por-tion 48 is provided with a tip 50 which together with portion 48 are adapted to shear the earth below the surface soil.
Above the flat nosed end portion 48 is provided a leading cutting or knife edge 52 which is adapted to cut through the earth and provide minimal tillage. The portion o-E the blade 46 adjacent the Elat nosed end portion 48 and ~the cutting edge 52 is contoured to facilitate the penetration of the flat nosed end portion 48 into the earth. The upper portion 54 of blade 46 is stepped to reduce soil build up on the upper portion 54 of the blade. This upper portion 54 is normally above the soil surface when the tool 12 is in use.
Referring to Fig. 2, the tool 12 moves to the left of the sheet of drawings when in use and -the upper portion 54 is secured with the tool holding device lOo Cast into the blade 38 is a fertilizer delivery channel 56. Channel 56 has an inlet adapted for connection ~95~
o.~9 with delivery tube 5~ and an outlet which terminates into small outlet ports 60 located on either side of keel 62 in a rear portion of the tool behind the flat nosed end portion 4~. These ports are used to deliver fertiliæer in a gaseous form. Alternatively, the channel may extend through the keel 62 and provide a single outlet port for the delivery of fertilizer (see Figure 6). Keel 62 is provided to reinforce channel 56. The channel 56 delivers fertilizer in the form of gas or liquid into the ground behind the flat nosed end portion 48 to reduce the possiblity of the outlet ports 60 becoming clogged with soil. The angle at which the tool 12 cuts through the earth is illustrated in Figure 2 wherein -the surface of the ground is designated by numeral 66.
The blade 46 gently flares at 64 such that when the blade is drawn through the earth the flared portions 64 tem-porarily spread the earth so that the fertilizer may drop from outlet 60 down into the earth.
Referring to Figures 7 and ~ another preferred fertilizing tool 12 is illustrated. The tool illustrated in these figures is identical to the tool of Figures 2 and 4 to 6 except for two differences. The first difEerence is that tool 12 includes a second aperture 44A provided for side mounting the tool 12 to a shank, tool holder, or the likec The second difference is at the rear portion 57 of the tool 12. The first channel 56 has a larger opening and a boss 59 is provided having a second fertilizer delivery channel 56A.
Two different types of fertilizer can be delivered separately through each of these channels thereby making the fertilizer tool 12 a banding tool.
- 9 ~ -I-t should be understood that the foregoing descrip-tion of the drawings has been for a preferred embodiment o:E
the presen-t invention and that alternate embodiments may be readily apparent therefrom to a man skilled in the art.
Claims (13)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An earth breaking tool comprising an elongated blade, said blade having a forward facing, substantially flat nosed end portion which is adapted to cut into earth and said blade having a leading cutting edge extending above said flat nosed end portion which cutting edge is adapted to cut through the earth.
2. The tool of claim 1 wherein said flat nosed end por-tion is provided with a tip and is adapted to shear the earth below surface soil.
3. The tool of claim 1 wherein said cutting edge extends to an upper portion of said blade which upper portion is above surface soil when the blade is in use.
4. The tool of claim 3 wherein said upper portion is stepped to reduce soil build up on the upper portion of the blade.
5. The tool of claim 4 wherein said upper portion is adapted for connection with a shank.
6. The tool of claim 1 wherein said blade is contoured above said flat nosed end portion and adjacent said cutting edge so as to facilitate penetration of said flat nosed end portion into the earth.
7. The tool of claim 1 wherein opposing sides of said blade are flared for temporarily spreading apart the earth.
8. The tool of claim 1 wherein a channel is provided through the blade, said channel is adapted to deliver ferti-lizer into the earth behind said flat nosed end portion.
9. The tool of claim 8 wherein said channel has an inlet in a rear surface of the blade which inlet is adapted for connection with a delivery tube.
10. The tool of claim 9 wherein said channel has at least one outlet in a lower portion of the rear surface.
11. The tool of claim 9 wherein said rear surface is pro-vided with a keel which reinforces said channel.
12. The tool of claim 1 wherein said tool is cast from a ductile material.
13. The tool of claim 8 wherein said blade is provided on its rear surface with a boss, said boss including a second channel therethrough which is adapted to deliver fertilizer into the earth behind said flat nosed end portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000450295A CA1195554A (en) | 1984-03-22 | 1984-03-22 | Earth working tool and holder therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000450295A CA1195554A (en) | 1984-03-22 | 1984-03-22 | Earth working tool and holder therefor |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000403121A Division CA1172107A (en) | 1982-05-17 | 1982-05-17 | Earth working tool and holder therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1195554A true CA1195554A (en) | 1985-10-22 |
Family
ID=4127483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000450295A Expired CA1195554A (en) | 1984-03-22 | 1984-03-22 | Earth working tool and holder therefor |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1195554A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2018100789B4 (en) * | 2018-06-13 | 2022-10-20 | Cruel Sea Technologies Pty Ltd | Connection of seeder knife |
| GB2616404A (en) * | 2022-01-12 | 2023-09-13 | Cousins Of Emneth Ltd | Tine for tilling implement |
-
1984
- 1984-03-22 CA CA000450295A patent/CA1195554A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2018100789B4 (en) * | 2018-06-13 | 2022-10-20 | Cruel Sea Technologies Pty Ltd | Connection of seeder knife |
| GB2616404A (en) * | 2022-01-12 | 2023-09-13 | Cousins Of Emneth Ltd | Tine for tilling implement |
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