Row crop cultivator
First Claim
Patent Images
1. An improved cultivator of the type comprising:
- at least one support member having two sidewalls joined by a top wall;
at least one wheel supporting each support member on the ground;
means for vertically adjusting each wheel with respect to the support member, said adjusting means comprising a first strut swingably connecting the wheel to the support member, and a second strut extending at angle with respect to the first strut, for adjustably connecting the wheel to the support member;
at least one pair of support bars mounted on the support member, one support bar of each pair extending in one direction transversely from the support member, the other support bar of each pair extending in the opposite direction transversely from the support member; and
a set of cultivating elements mounted on the support bars, wherein;
each pair of support bars are slidably mounted into two pairs of horizontally aligned, adjacent holes provided in the one and other side walls of the support member respectively, the support bars of said pair lying closely adjacent, and parallel to, each other in said pairs of holes in said support member, andsingle means are provided on said support member for locking both bars of each pair to the support member said locking means comprising wedge means for wedging the support bars tight against the support member, said wedge means comprising at least one bolt mounted in the top wall of the support member and passing down between the support bars, and a nut with a camming surface thereon threadable on the bolt, the camming surface on said nut wedging the bars apart into said respective holes and tight against the support member.
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Accused Products
Abstract
An improved cultivator having support wheels swingably and adjustably mounted under its frame to easily adjust the depth of the cultivating elements. The improved cultivator also has support bars arranged in pairs and carrying cultivating elements thereon. The bars in each pair extend in opposite directions and are connected to the frame by a single wedge having a pair of comming surfaces acting on both bars simultaneously. This wedge can be loosened to easily, slidably, adjust the support bars. The improved cultivator may also comprise a pair of wedge members connected by a bolt for quickly and easily connecting a cultivating element to an end of the support bars.
22 Citations
7 Claims
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1. An improved cultivator of the type comprising:
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at least one support member having two sidewalls joined by a top wall; at least one wheel supporting each support member on the ground; means for vertically adjusting each wheel with respect to the support member, said adjusting means comprising a first strut swingably connecting the wheel to the support member, and a second strut extending at angle with respect to the first strut, for adjustably connecting the wheel to the support member; at least one pair of support bars mounted on the support member, one support bar of each pair extending in one direction transversely from the support member, the other support bar of each pair extending in the opposite direction transversely from the support member; and a set of cultivating elements mounted on the support bars, wherein; each pair of support bars are slidably mounted into two pairs of horizontally aligned, adjacent holes provided in the one and other side walls of the support member respectively, the support bars of said pair lying closely adjacent, and parallel to, each other in said pairs of holes in said support member, and single means are provided on said support member for locking both bars of each pair to the support member said locking means comprising wedge means for wedging the support bars tight against the support member, said wedge means comprising at least one bolt mounted in the top wall of the support member and passing down between the support bars, and a nut with a camming surface thereon threadable on the bolt, the camming surface on said nut wedging the bars apart into said respective holes and tight against the support member. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification