Soil leveling apparatus with improved frame and hitch
First Claim
Patent Images
1. An apparatus for leveling soil and the like, comprising:
- a frame including a plurality of transverse elongate ground engaging members fixedly secured together in a mutually spaced apart relationship;
the ground engaging members of said frame being of inverted generally V-shaped cross section having an apex with downwardly diverging front and rear walls of different inclinations extending downwardly from the apex, and wherein the front wall is more steeply inclined than the rear wall, wherein the front and rear walls extend downwardly from the apex and terminate in lower edges which are substantially coplanar with one another in a substantially horizontal plane and which are in egagement with the ground when the frame is laid flat on the ground; and
hitch means carried on the frame for connecting the frame to a vehicle.
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Abstract
An improved soil leveling apparatus (10) includes a frame (12), connecting hitch means (14), and adjustable lost motion linkage (48) secured to the top connection point (52) of the hitch, and an optional scarifier assembly (16) which is supported on a connector (66) pivoted between the legs (36, 40) of the hitch. The scraper member (18) of the frame (12) is of generally inverted J-shaped cross section, and tine subassemblies (90) can be substituted for the teeth (78) on the scarifier assembly (12).
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Citations
55 Claims
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1. An apparatus for leveling soil and the like, comprising:
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a frame including a plurality of transverse elongate ground engaging members fixedly secured together in a mutually spaced apart relationship; the ground engaging members of said frame being of inverted generally V-shaped cross section having an apex with downwardly diverging front and rear walls of different inclinations extending downwardly from the apex, and wherein the front wall is more steeply inclined than the rear wall, wherein the front and rear walls extend downwardly from the apex and terminate in lower edges which are substantially coplanar with one another in a substantially horizontal plane and which are in egagement with the ground when the frame is laid flat on the ground; and hitch means carried on the frame for connecting the frame to a vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for leveling soil and the like, comprising:
a frame including a plurality of transverse elongate ground engaging members fixedly secured together in a mutually spaced apart relationship, the ground engaging members of said frame being of inverted generally V-shaped cross section with downwardly diverging front and rear legs of different inclinations, wherein ground engaging members have a closed cross-sectional construction in which the front and rear legs are closed at the bottom by a transverse surface.
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8. An apparatus for leveling soil, comprising:
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hitch means which is adapted for connection to a tractor or like motor vehicle; frame means which is connected to said hitch means and which engages the ground; and means connected to said frame means which is adapted for scarifying ground soil, said scarifying means comprising a plurality of tine members attached to a tool support member on the frame means, said tine members extending transversely relative to the frame means and having lower ends for engaging the ground, the lower ends of the tine members being in a non-parallel relationship such that the lower ends of adjacent tines diverge longitudinally relative to one another, whereby ground soil is less likely to become lodged in between said tine members as the frame means is moved longitudinally; and wherein the tool support member is fixed to a sleeve and the sleeve is pivotally mounted on a cross shaft carried on the frame means, and further including means for limiting rearward rotation of the tool support member during forward movement of the frame means to allow the tine to scarify the soil but permitting rotation of the tool support member during reverse movement of the frame. - View Dependent Claims (9, 10, 11)
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12. An apparatus for leveling soil, comprising:
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hitch means which is adapted for connection to a tractor or like motor vehicle; frame means which is connected to said hitch means and which engages the ground; and means connected to said frame means which is adapted for scarifying ground soil, said scarifying means comprising a plurality of tine members attached to a tool support member on the frame means, said tine members extending transversely relative to the frame means and having lower ends for engaging the ground, the lower ends of the tine members being in a non-parallel relationship such that the lower ends of adjacent tines diverge longitudinally relative to one another, whereby ground soil is less likely to become lodged in between said tine members as the frame means is moved longitudinally; and wherein the tines are identically shaped having a generally straight upper end attached to the tool support member and a lower end which is longitudinally tilted relative to the upper portion, and wherein adjacent tines are reversed relative to one another on the tool support member to provide the non-parallel relationship of the lower ends of the tines. - View Dependent Claims (13)
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14. An apparatus for leveling soil, comprising:
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hitch means which is adapted for connection to a tractor or like motor vehicle; frame means which is connected to said hitch means and which engages the ground; and means connected to said frame means which is adapted for scarifying ground soil, said scarifying means comprising a plurality of tine members attached to a tool support member on the frame means, said tine members extending transversely relative to the frame means and having lower ends for engaging the ground, the lower ends of the tine members being in a non-parallel relationship such that the lower ends of adjacent tines diverge longitudinally relative to one another, whereby ground soil is less likely to become lodged in between said tine members as the frame means is moved longitudnally; and wherein two differently styled tines are provided comprising a first tine having a generally straight configuration and a second tine having a longitudinally inclined lower end, and wherein the first and second tines are alternated across the tool support member to provide the non-parallel relationship of the lower ends of the tines. - View Dependent Claims (15)
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16. An apparatus for leveling soil, comprising:
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hitch means which is adapted for connection to a tractor or like motor vehicle; frame means which is connected to said hitch means and which engages the ground; and means connected to said frame means which is adapted for scarifying ground soil, said scarifying means comprising a plurality of tine members, said tine members extending transversely relative to the frame means and having lower ends for engaging the ground, the lower ends of the tine members being in a non-parallel relationship such that the lower ends of adjacent tines diverge longitudinally relative to one another, whereby ground soil is less likely to become lodged in between said tine members as the frame means is moved longitudinally; and further including a plurality of tine subassemblies located side-by-side on the frame means with adjacent subassemblies being separated by small gaps, each subassembly comprising a tool support member having a plurality of tines mounted thereon, and further including an end tine having a straight leg portion supported on the tool support member and an offset leg portion extending outwardly from the stright leg portion to be located at approximately the end of the tool support member, and wherein an end tine is used on at least one end of the tool support member of some of the subassemblies to position an offset leg portion adjacent all of the interior gaps between subassemblies. - View Dependent Claims (17)
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18. An apparatus for leveling soil, comprising
hitch means which is adapted for connection to a tractor or like motor vehicle; -
frame means which is connected to said hitch means and which engages the ground; means for scarifying ground soil including at least one tooth element for engaging the soil; means for rotatably mounting said scarifying means to said frame means for pivotal movement about an axis; and means for pivotally moving said scarifying means about said axis, said moving means comprising a piston cylinder assembly, wherein said piston cylinder assembly is connected to said frame means by a mounting means which permits lost motion between the piston cylinder assembly and said frame means. - View Dependent Claims (19, 20, 21)
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22. An apparatus as recited in cliam 18, wherein said scarifier mounting means comprises:
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a cross shaft fixedly connected to said frame means; and a sleeve to which said scarifying means is connected mounted concentrically about said cross shaft for rotation thereon. - View Dependent Claims (23)
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24. An apparatus for leveling soil, comprising:
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hitch means which is adapted for connection to a tractor or like motor vehicle; frame means which is connected to said hitch means and which engages the ground, the frame means including a plurality of transverse elongate ground engaging members fixedly secured together in a mutually spaced apart relationship and lying in a common plane; means for scarifying ground soil including at least one tooth element for engaging the soil; means for rotatably mounting said scarifying means to said frame means for pivotal movement about an axis, wherein said scarifier mounting means comprises a cross shaft fixedly connected to said frame means and a sleeve to which said scarifying means is connected mounted concentrically about said cross shaft for rotation thereon, wherein the cross shaft is located above the plane in which the ground engaging members lie; and means connected to the sleeve for pivoting the sleeve about the cross shaft to raise or lower the scarifying means relative to the ground. - View Dependent Claims (25, 26)
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27. An apparatus for leveling soil, comprising
hitch means which is adapted for connection to a tractor or like motor vehicle; -
frame means which is connected to said hitch means and which engages the ground; means for scarifying ground soil including at least one tooth element for engaging the soil; and means for rotatably mounting said scarifying means to said frame means for pivotal movement about an axis, wherein said scarifier mounting means conmprises a cross shaft connected to said frame means and a sleeve to which said scarifying means is connected, wherein said sleeve is mounted concentrically about said cross shaft for rotation thereon; and stop means extending between the sleeve and the cross shaft for limiting rotational movement of the scarifying means. - View Dependent Claims (28)
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29. An apparatus for leveling soil, comprising:
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hitch means which is adapted for connection to a tractor or like motor vehicle; frame means which is connected to said hitch means and includes at least one surface for engaging the ground, the frame means including a transverse, elongate scraper member and at least one trailing transverse ground engaging member fixedly secured together in a mutually spaced apart relationship, the scraper member including a leading lower edge, and each ground engaging member including a lower surface, the leading edge of the scraper member and the lower surfaces of the ground engaging members being substantially coplanar; means for scarifying ground soil including a plurality of transversely spaced teeth for engaging the soil, wherein the scarifying means is carried on the frame means behind the scraper member and in advance of the ground engaging members; soil finishing means mounted to the frame means behind the ground engaging members for pivotal movement into and out of ground engagement, wherein said soil finishing means comprises a rotatably roller; and means independent of the hitch means for selectively raising and lowering the soil finishing roller relative to the frame means into and out of engagement with the ground while the frame means remains in engagement with the ground. - View Dependent Claims (30, 31, 32, 33, 34)
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35. An apparatus for leveling soil and the like, comprising:
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a generally rectangular frame including a transverse, elongate scraper member and at least one trailing transverse elongate ground engaging member fixedly secured together in a mutually spaced apart relationship between a pair of longitudinal side members; the scraper member including a leading lower edge, and each ground engaging member including a lower surface which is wider than the lower edge of the scraper member, the leading edge of the scraper member and the lower surfaces of the ground engaging members being substantially coplanar; hitch means for mounting the frame to a vehicle; a pair of longitudinal arms, each arm pivoted at one end to a side member of said frame means; and soil finishing means mounted between the other ends of said arms for pivotal movement into and out of ground engagement in trailing relationship with the apparatus, wherein said soil finishing means comprises a rotatable roller. - View Dependent Claims (36, 37, 38, 39, 40)
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41. A method of leveling soil, comprising:
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trailing over the soil at least one scraper member having a lower edge for scraping the soil; trailing over the soil behind the scraper member a plurality of spaced downwardly directed teeth which engage the soil for scarifying the soil; trailing over the soil behind the scraper member and the scarifying teeth at least one elongate ground engaging member having a lower surface which is substantially coplanar with the lower edge of the scraper member, the lower surface being wider than the lower edge and adapted to bear against the soil to flatten the soil; pulverizing the flattened soil by means of a rotatable roller which is trailed behind the ground engaging member; and selective raising the roller out of engagement with the ground when the soil pulverizing function is not desired while leaving the scraper and the ground engaging members in engagement with the soil for continued soil flattening. - View Dependent Claims (42)
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43. An apparatus for leveling soil and the like, comprising:
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a frame including a plurality of transverse elongate ground engaging members fixedly secured together in a mutually spaced apart relationship; the ground engaging members of said frame being of inverted generally V-shaped cross section with downwardly diverging front and rear walls of different inclinations, wherein the front and rear walls have lower edges which are substantially coplanar with one another in a substantially horizontal plane when the frame is laid on the ground, wherein the cross section of the ground engaging members is closed at the bottom by a substantially horizontal wear surface extending between the front and rear walls, and wherein the wear surface is in engagement with the ground when the frame is placed flat on the ground; and hitch means carried on the frame for connecting the frame to a vehicle. - View Dependent Claims (44, 45)
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46. An apparatus for leveling soil and the like, comprising:
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a frame including a plurality of transverse elongate ground engaging members fixedly secured together in a mutually spaced apart relationship; the ground engaging members of said frame being of inverted generally V-shaped cross section with downwardly diverging front and rear walls of different inclinations, wherein the front and rear walls have lower edges which are substantially coplanar with one another in a substantially horizontal plane when the frame is laid flat on the ground, wherein the cross section of the ground engaging members is open at the bottom with the front and rear walls extending downwardly sufficiently far so that the lower edges of the walls are both in engagement with the ground when the frame is placed flat on the ground; wherein the ground engaging members are formed by downwardly diverging front and rear legs, and wherein the lower edges of the walls are formed by transverse wear plates attached to the front and rear legs and extending downwardly therefrom to contact the ground; and hitch means carried on the frame for connecting the frame to a vehicle. - View Dependent Claims (47)
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48. An apparatus for working soil, comprising:
- hitch means which is adapted for connection to a tractor or like motor vehicle;
frame means which is connected to said hitch means; means for scarifying ground soil including at least one tooth element for engaging the soil; means for rotatably mounting said scarifying means to said frame means for pivotal movement about an axis; and means for pivotally moving said scarifying means about said axis, said moving means comprising a piston cylinder assembly, wherein said piston cylinder assembly is connected to said frame means by a mounting means which permits lost motion between the piston cylinder assembly and said frame means, whereby said at least one tooth may pivot during reverse movement of said frame means. - View Dependent Claims (49, 50, 51, 52, 53)
- hitch means which is adapted for connection to a tractor or like motor vehicle;
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54. An apparatus for working soil, comprising:
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hitch means which is adapted for connection to a tractor or like motor vehicle; frame means which is connected to said hitch means; means for scarifying ground soil including at least one tooth element for engaging the soil; and means for rotatably mounting said scarifying means to said frame means for pivotal movement about an axis, wherein said scarifier mounting means comprises a cross shaft connected to said frame means and a sleeve to which said scarifying means is connected, wherein said sleeve is mounted concentrically about said cross shaft rotation thereon; and stop means extending between the sleeve and the cross shaft for limiting rotational movement of the scarifying means. - View Dependent Claims (55)
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Specification