Spreader suitable for spreading granular and/or powdery material
AssigneeC. van der Lely N.V.
InventorsCornelis van der Lely, Ary van der Lely
Life of this patent
Estimating the term…
Abstract
A spreader suitable for spreading granular and/or powdery materials, such as seeds or fertilizer, comprises a distributor which has an upturned rim. The distributor can be driven in rotation or reciprocated about an axis which is inclined rearwardly from top to bottom at different speeds by means of a change-speed means. Frame members are orientated to prevent the least obstruction to material ejected past them by the distributor. A downwardly inclined deflector prevents material from impinging against a vehicle to which the spreader is hitched. The constructional features of the spreader contribute to an even distribution of material about the axis, regardless of the type of material being spread.
Claims36
A spreader for spreading granular and/or powdery material comprising frame means, a hopper and at least one distributor in communication with said hopper, said distributor being mounted for movement to eject material during operation and turnable about an upwardly extending axis, driving means including a transmission connected to turn said distributor, said hopper including feeding means located in a lower delivery portion of said hopper, said delivery portion being rigidly contiguous with and projecting substantially perpendicularly to said axis relative to the rest of said hopper from which it directly receives material, said feeding means comprising at least one port located above said distributor.
A spreader for spreading granular and/or powdery material comprising frame means, a hopper and at least one distributor in communication with said hopper, said distributor being mounted for movement to eject material during operation and turnable about an upwardly extending axis, driving means including a transmission connected to turn said distributor, said hopper including feeding means located in a lower delivery portion of said hopper, said delivery portion being rigidly contiguous with and projecting laterally relative to the rest of said hopper from which it directly receives material, said feeding means comprising at least one port located above said distributor, said feeding means comprising a side-mounted delivery portion of said hopper whereby material flows sideways to said port, a closing member with at least one outlet that is registrable with said port being located adjacent the bottom of said delivery portion, said transmission being located above said delivery portion and the latter being located at least partly between said transmission and said distributor, said transmission being mounted on a side wall on the forward side of said hopper and said transmission being located between said delivery portion and an upwardly and forwardly inclined wall portion of the hopper front side.
A spreader for spreading material such as fertilizer or seeds which comprises:
- a hopper which includes a lower hopper portion, and an outlet part of said hopper portion which is integral therewith and projects substantially horizontally outwardly from said hopper portion;
- a frame connected to said hopper which is adapted to support said hopper on a vehicle;
- and a material distribution member disposed substantially horizontally under said outlet part for spreading material received from said outlet part on the surface in the vicinity of the spreader as it is moved across said surface by said vehicle.
In a spreader for granular or powdery material or the like, a hopper comprising an upper funnel-shaped portion, a lower smaller funnel-shaped portion receiving said upper portion and an outlet part extending substantially horizontally laterally from said lower portion and having an upper horizontal wall which is spaced under a forwardly upwardly inclined front wall of said upper portion, material distribution means disposed under said outlet part, shaft means supporting said distribution means extending upwardly from said distribution means through said outlet part and through said upper wall, the space defined by the interiors of said upper portion, said lower portion and said outlet part being contiguous whereby said material moves through the hopper from said upper portion to said outlet part via said lower portion.
A spreader for a powdery or granular material or the like which comprises a hopper which includes a lower hopper portion having at least one upwardly extending wall and an outlet part, said outlet part having upper and lower walls which project outwardly substantially horizontally from said hopper portion, said upper wall joining said upwardly extending wall of said lower hopper portion, material distribution means extending substantially horizontally under said outlet-part, means for rotating said distribution means mounted on said upper wall adjacent said upwardly extending wall and means connecting said rotating means with said distribution means, said means for rotating being secured to said upper wall and to said upwardly extending wall.
A hopper for a spreader suitable for spreading granular and powdery material or the like which comprises a material ejector rotatable about an upstanding axis, upper and lower hopper portions, said lower hopper portion including an offset part which has an upper wall that is intercepted by said axis and is spaced under a forwardly inclined side wall of said upper portion whereby a niche is formed in the outer side of the hopper, said offset part having a lower wall spaced under said upper wall, all interior parts of the hopper including that under said upper wall being contiguous and adapted to receive a granular or powdery material or the like to be spread, said niche being of sufficient size and of such configuration that is adapted to receive on and above said upper wall apparatus for rotating said material ejector, said material ejector being disposed under said lower wall of said offset part of said lower hopper portion and being adapted to receive material from an outlet in said offset part.
Dependencies are inferred from the claim text.