Agricultural machine having a folding assistance device
US-2018049363-A1 · Feb 22, 2018 · US
US11330755B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11330755-B2 |
| Application number | US-201916568877-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 12, 2019 |
| Priority date | Sep 12, 2018 |
| Publication date | May 17, 2022 |
| Grant date | May 17, 2022 |
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Official abstract text for this publication.
An agricultural implement including a central chassis member having a support structure with support arms connected to the support structure for movement between a working position and a transport position, the support arms having operating elements defining a working width between the operating elements and the main chassis member. The support arms are adjustable in the working position between a length corresponding to minimum working width and a length greater than the minimum working width. In the transport position a distance between the operating elements and the main chassis member is less than the minimum working width. A first stop defines the position of the minimum working width and a second stop arranged vertically with respect to the first stop retains the support arm in the transport position when the distance between the operating elements and the main chassis member is less than the minimum working width.
Opening claim text (preview).
The invention claimed is: 1. An agricultural implement comprising: a main chassis member having a support structure with support arms connected to the support structure for movement between a working position and a transport position, the support arms having operating elements remote from the support structure defining a working width between the operating elements and the main chassis member, in which the support arms are adjustable in the working position between a length corresponding to a minimum working width and a length greater than the minimum working width and in which in the transport position, a distance between the operating elements and the main chassis member is less than the minimum working width, wherein a first stop defines the position of the minimum working width and a second stop, arranged vertically below with respect to the first stop, retains the support arm in the transport position when the distance between the operating elements and the main chassis member is less than the minimum working width. 2. The agricultural implement according to claim 1 , wherein the first stop comprises an arcuate surface. 3. The agricultural implement according to claim 2 , wherein the arcuate surface co-operates with the adjacent support arm as the support arm moves toward and away from the working position. 4. The agricultural implement according to claim 1 , wherein the second stop prevents rotation of the support arm with respect to the chassis when the support arm is in the transport position. 5. The agricultural implement according to claim 1 , wherein the first stop is releasably secured to the support structure. 6. The agricultural implement according to claim 1 , wherein the second stop is releasably secured to the support structure.
the axis being oriented in a longitudinal direction (A01B73/042 takes precedence) · CPC title
Telescopic frames · CPC title
specially adapted for actively driven implements · CPC title
Folding frames · CPC title
the tines rotating about a substantially vertical axis · CPC title
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