BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is an isometric view of the modified box scraper.
FIG. 2 is a close up view of the female attachment means located on the rearward end of the box scraper.
FIG. 3 is a close up view of the female attachment means located on the sides of the box scraper.
FIG. 4 is an isometric view of the box scraper with the road repair applicator work implement attached thereto.
FIG. 5 is an isometric view of the box scraper with the trench compaction work implement attached thereto.
FIG. 6 is an isometric view of the box scraper with the box scraper extension work implements attached thereto.
FIG. 7 is an isometric view of the box scraper with the slope board work implement attached thereto.
FIG. 8 is an isometric view of the box scraper with the backfill blade work implement attached thereto.
FIG. 9. is an isometric view of the box scraper with the windrow scraper work implement attached thereto.
FIG. 10 is an isometric view of the box scraper with the rear forklift system work implement attached thereto.
FIG. 11 is an isometric view of the box scraper with the serrated cutting blade work implement attached thereto.
FIGS. 12A and 12B are isometric views of the box scraper with the gutter blade work implement attached thereto from the front and from the rear, respectively.
DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT
Referring now to the drawings. FIGS. 1-3 show the details of the modified box scraper 10 as it attaches the rear of a tractor 11. The box scraper 10 has a main frame 13 consisting of a rearward portion 12, a first side 14 and a second side 15. The bottom portion 16 of the rearward portion 12 can be beveled, but it is considered within the scope of this invention that the bottom portion 16 could also be flat.
The rearward end 12 of the box scraper 10 has a first plurality of attachment means 17a, 17b, 17c. The first plurality of attachment means 17a, 17b, 17c is typically arrayed in a linear formation across the rearward portion 12 of the box scraper 10 and is typically made up of female fittings that are designed to releasably accept various male fittings found on one or more of the work implements.
A second plurality of attachment means 18a, 18b, 18c are found on the first side 14 of the box scraper 10. A third plurality of attachment means 19a, 19b, 19c are found on the second side 15 of the box scraper 10. The attachable work implements are variously attachable to any of these sets of attachment means 17a, 17b, 17c, 18a, 18b, 18c, 19a, 19b, 19c. A securing means, such as a pin 20 is used to secure the various work implements to the appropriate side of the box scraper 10.
All of the attachment means 17a, 17b, 17c, 18a, 18b, 18c, 19a, 19b, 19c also contain solid rubber block inserts (not shown) that are placed therein to protect the attachment means 17a, 17b, 17c, 18a, 18b, 18c, 19a, 19b, 19c from being clogged with dirt, clay, mud, asphalt and other contaminants. Each attachment means 17a, 17b, 17c, 18a, 18b, 18c, 19a, 19b, 19c is a female member that accepts a corresponding male member 21 from the appropriate work implement.
The road repair applicator work implement 22 attached to the box scraper 10 is shown in FIG. 4. The road repair applicator work implement 22 is composed of a first elongated member 23 containing a roll 24 of geotextile, such as PETROMAT®. The first elongated member 23 is attached to a second member 25 and a third member 26 on either side of the first elongated member 23. Both the second member 25 and the third member 26 have male attachment means 21k that attach to one of the second plurality of female attachment means 18c and to one of the third plurality of female attachment means 19c on the first side 14 of the box scraper 10 and the second side 15 of the box scraper 10, respectively.
A second elongated member 27 positioned substantially in a vertical position attaches to one of the first plurality of female attachment means 17b found on the rearward end 12 of the box scraper 10 through a male attachment means 21a that is substantially perpendicular to the second elongated member 27 and is attached thereto through a sleeve 33.
A third elongated member 28 is attached substantially perpendicular to the second elongated member 27 at the bottom of the second elongated member 27. A plurality of bristles 29 protrude from the bottom of the third elongated member.
FIG. 5 illustrates the trench compaction wheel 30 work implement. The trench compaction wheel 30 has an axle portion 31 attached to an elongated vertical member 37 that is substantially perpendicular to a male attachment means 21b for attachment to the box scraper 10 in one of the female attachment means 17b located on the rearward portion 12 of the box scraper 10. The male attachment means 21b is connected to a sleeve portion 32 that surrounds the elongated vertical member 37.
The trench compaction wheel 30 has one or more substantially circular members 34, 35 containing a plurality of teeth 36 that turn in a circular direction when pressure is exerted on the axle portion 31 through the exertion of pressure in a direction along the outer edges 38 of the teeth 36.
FIG. 6 illustrates the side extension work implements 39, 40 as they attach to the two sides 14, 15 of the box scraper 10. The extensions 39, 40 each have a main frame, 41, 42 that are substantially the same in profile as the box scraper 10. Each extension 41, 42 has a rearward end 43, 44, a connectible side 45, 46, and an opposing non-connectible side 47, 48. Male attachment means 49, 50, 51 are found on the interior of the connectible sides 45, 46 of the main frames 41, 42 of the extensions 39, 40. The attachment means 49, 50, 51 attach to the female attachment means 18a, 18b, 18c, 19a, 19b, 19c of either side portion 14, 15 of the box scraper 10.
FIG. 7 illustrates the serrated slope board work implement 52 as it attaches to the second side portion 15 of the box scraper 10. The serrated slope board 52 has a substantially rectangular shaped main body 53 that has a concave side 54, a convex side 55, a top edge 56, an internal side edge 57, an external side edge 58 and a bottom edge 59. Serrated teeth 60 are located along the bottom edge 59. Male attachment means 21c, 21d are attached to the back convex side 55 of the slope board 52. The slope board 52 attaches to either the first side 14 or the second side 15 portion of the box scraper 10 at a prescribed angle α in order to provide the ability to cut a slope grade in an earthen bank.
FIG. 8 illustrates the backfill blade work implement 61 as it attaches to the second side portion 15 of the box scraper 10. The main body portion 62 has a front concave side 63, a back convex side 67, a top edge 64, a connectible side edge 65, an opposing non-connectible side edge 66 and a bottom edge 68. The bottom edge 68 can be either smooth (as shown) or serrated. A male attachment means (not shown) attaches the backfill blade 61 on the connectible side edge 65 to either the first side 14 or the second side 15 of the box scraper 10 to one of the female attachment means 19c.
FIG. 9 illustrates the windrow scraper work implement 69 as it attaches to the second side portion 15 of the box scraper 10. There is a main body 70 that is hollow and box-shaped. The main body 70 has a front side 71, a back side 72, a top side 73, a bottom side 74, a connectible side 75, an opposing non-connectible side 76 and a male attachment means 77 that attaches the windrow scraper 69 on the connectible side 75 to the first side 14 or second side 15 of the box scraper 10 at a prescribed angle in order to provide a windrow material along the edge of the road as the box scraper 10 and the tractor 11 grade road surfaces.
FIG. 10 illustrates the fork lift work implement 78 as it attaches to the rearward portion 12 of the box scraper 10. There are a plurality of hooks 79a, 79b, 79c that attach the first plurality of attachments 17a, 17b, 17c located on the rearward end 12 of the box scraper 10. There is an elongated member 80 that is held in place by the plurality of hooks 79a, 79b, 79c.
There are two fork members 81a, 81b having a vertical portion 82a, 82b and a horizontal portion 83a, 83b. The vertical portion 82a, 82b is positioned perpendicular to the horizontal portion 83a, 83b. There are attachment means 84a, 84b positioned near the top of the vertical portions 82a, 82b of the fork members 81a, 81b that allow for attachment of the fork members 81a, 81b to the elongated member 80. The plurality of hooks 79a, 79b, 79c are attached to the rearward portion 12 of the box scraper 10 through a plurality of male attachment means 21e, 21f, 21g and secured in place by pins (not shown in FIG. 10 but illustrated in FIGS. 2 and 3 as number 20).
FIG. 11 illustrates the serrated cutting blade work implement 85 as it attaches to the rearward portion 12 of the box scraper 10. There is a main body portion 86 that is substantially planar having a front face 87, a back face 88, a top portion 89 a first side portion 90, a second side portion 91 and a bottom portion 92. The bottom portion is serrated, marked by a series of teeth 93. There is a plurality of attachment means 94a, 94b, 94c attached to the front face 87 of the main body portion 86 that attach perpendicularly to a plurality of male attachment means 21h, 21i, 21j that secure the cutting blade 85 to the first plurality of attachment means 17a, 17b, 17c located on the rearward portion 12 of the box scraper 10.
A first side attachment means 95 attaches to the first side 14 of the box scraper 10. The first side attachment means 95 is attached to the back face 88 of the serrated cutting blade 85 and bends a right angle to fit into one of the female attachment means 18c located on the first side 14 of the box scraper 10. A second side attachment means 96 attaches in an analogous manner to the second side 15 of the box scraper 10.
FIGS. 12A and 12B illustrate the gutter blade work implement 97 as it attaches to the second side portion 15 of the box scraper 10. The gutter blade 97 has a substantially rectangular shaped main body portion 98 that has a front concave side 99, a back convex side 100, a top edge 101, a connectible side edge 102, an opposing non-connectible side edge 103 and a bottom edge 104. There is a protruding member 105 that is slightly shorter in length than the main body portion 98. The protruding member 105 is positioned substantially in the center portion of the convex side 100 of the gutter blade 97. There are one or more male attachment means attached to the gutter blade 97 on the connectible side edge 102 attaching the gutter blade 97 to either the first side 14 or the second side 15 of the box scraper 10.
The illustrations and examples provided herein are for explanatory purposes and are not intended to limit the scope of the appended claims. This disclosure is to be considered an exemplification of the principles of the invention and is not intended to limit the spirit and scope of the invention and/or claims of the embodiment illustrated. Those skilled in the art will make modifications to the invention for particular applications of the invention.
Patent Application
20080053674
