Slat elevators for combines or the like
阅读：352发布：2021-12-21
专利汇可以提供Slat elevators for combines or the like专利检索，专利查询，专利分析的服务。并且The slat elevator includes a diagonally disposed conduit open at its upper and lower ends, and having a bottom transverse wall. An upper drum carries several sprockets which drive several chains which also pass around a lower drum. Each chain carries a separate series of flexible slats made of tire carcass, and mounted with their width parallel to the path of the chain so that the slat ends curve down toward the bottom wall and are flexed away from same by the crop to avoid packing between the slat ends and the bottom wall. Each slat trails its attachment link. A plow located beneath each sprocket removes any crop which rides on the top of the chain to avoid clogging the sprocket. Dividers on the upper span maintain the spacing between the separate slat series.，下面是Slat elevators for combines or the like专利的具体信息内容。
1. A slat elevator for a combine or the like comprising a conduit having transverSe walls and side walls, an upper drum and a lower drum mounted for rotation about parallel transverse axes at the opposite ends of said conduit, said upper drum including a plurality of sprockets mounted thereon in axially spaced relationship, a plurality of chains extending around and between said drums, each chain engaging one of the sprockets of the upper drum and being driven thereby, a series of slats carried by each of said chains, the slats of each series being supported by a single chain, a cross member extending between said side walls at a point adjacent said upper drum, said conduit extending diagonally upward with the downwardly moving span above the upwardly moving span, one of said transverse walls being located beneath said upwardly moving span, a plurality of plow members mounted on said cross member, one beneath each of said sprockets and having a face plate located adjacent said upwardly moving span for removing material from the upper surface of said chain, tightener plates mounted externally of said side walls at the upper end of said conduit, said upper drum being journalled in said tightener plates, and mounting means on said tightener plates extending inwardly from said tightener plates and through said side walls, said cross member being mounted on said mounting means.
2. A slat elevator for a combine or the like comprising a conduit having transverse walls and side walls, an upper drum and a lower drum mounted for rotation about parallel transverse axes at the opposite ends of said conduit, said upper drum including a sprocket mounted thereon, a chain extending around and between said drums and engaging said sprocket and being driven thereby, a series of transverse slats carried by said chain, said slats each comprising a strip of nonmetallic resilient material having a substantially rectangular cross section with the longer cross sectional dimension of said slat being oriented parallel to the path of said chain, said chain including an attachment link having outwardly extending flanges, and a plate secured to said flanges with its plane being parallel to the path of said chain, one of said slats being secured to said plate, said plate having an opening therein located at the midpoint of said attachment link so as to be above a tooth of said sprocket, and said slat having a cut-away portion located above said opening so that material entrapped between a sprocket tooth and said attachment link may be forced through said opening.
3. A slat elevator for a combine or the like comprising a conduit having transverse walls and side walls, an upper drum and a lower drum mounted for rotation about parallel transverse axes at the opposite ends of said conduit, said upper drum including a sprocket mounted thereon, a chain extending around and between said drums and engaging said sprocket and being driven thereby, a series of transverse slats carried by said chain, said slats each comprising a strip of nonmetallic resilient material having a substantially rectangular cross section with the longer cross sectional dimension of said slat being oriented parallel to the path of said chain, said chain including an attachment link having outwardly extending flanges, and a plate secured to said flanges with its plane being parallel to the path of said chain, one of said slats being secured to said plate, said plate having an opening therein located at the midpoint of said attachment link so as to be above a tooth of said sprocket, and said slat having its leading edge offset in the trailing direction from said opening so that material entrapped between a sprocket tooth and said attachment link may be forced through said opening.
4. A slat elevator for feeding cut crop to the threshing cylinder of a combine or the like comprising a conduit having transverse walls and side walls, an upper drum and a lower drum mounted for rotation about parallel transverse axes at the opposite ends of said conduit, said upper drum including a plurality of sprockets mounted thereon in aXially spaced relationship, a plurality of chains extending around and between said drums, each chain engaging one of the sprockets of the upper drum and being driven thereby, and a series of slats carried by each of said chains, the slats of each series being supported by a single chain, said lower drum providing a circumferentially smooth cylindrical surface portion for cooperation with each of said chains so as to permit longitudinal displacement of one chain and its series of slats with respect to other chains and their series of slats, when a tooth is skipped at the sprocket associated with the upper end of said one chain, slat mounting means connecting the mid-point of each slat to its associated chain, the ends of each slat being unconfined for flexing movement, said slats each comprising a strip of nonmetallic resilient material having a substantially rectangular cross section with the width dimension being substantially greater than the thickness dimension and being oriented with the width dimension substantially parallel to the path of the chain on which said slat is mounted so that the ends of each slat may flex in a direction toward and away from said transverse walls, said slat ends being less flexible in the direction parallel to said chain path.
5. A slat elevator as claimed in claim 4 in which said conduit extends diagonally upward with the downward moving span above the upwardly moving span, a backing plate for said downwardly moving span, a plurality of dividers extending upwardly from said backing plate, the ends of the slats of each series normally being in a non-interfering relationship with the slats of an adjacent series, one divider being located between each two adjacent slat series and being of a dimension such that each divider overlaps at least a portion of the ends of the slats of said two adjacent slat series, said dividers cooperating with said slats to maintain between said chains as they pass over said lower drum a transverse spacing substantially equal to said sprocket spacing.
6. A slat elevator as claimed in claim 4 in which said lower drum is provided with tubular wear plates engaged by said chains.
7. A slat elevator as claimed in claim 4 which includes a cross member extending between said side walls at a point adjacent said upper drum, said conduit extending diagonally upward with the downwardly moving span above the upwardly moving span, one of said transverse walls being located beneath said upwardly moving span, and a plurality of V-shaped plow members mounted on said cross member, one beneath each of said sprockets for removing material from the upper surface of said chain and having a face plate located adjacent said upwardly moving span providing a bearing surface for said chain.
8. A slat elevator as claimed in claim 4 in which said slat has a natural curvature and is mounted on said chain with the curvature outwardly concave.
9. A slat elevator as claimed in claim 8 in which said nonmetallic resilient material is tire carcass.
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