Spreading apparatus

Claim 2

A spreading implement comprising a frame and a container supported on said frame, an outlet in said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members positioned between said outlet and said spreading member, each of said flow control members having port means, an adjusting mechanism connected to said two flow control members for moving same to place said outlet and said port means in more or less register, said adjusting mechanism having a control element for actuating said flow control members, said control element being connected to said two flow control members whereby both of said flow control members move simultaneously in response to a movement of said control element and whereby, when said control member is moved, one flow control member is dispLaced through a greater distance than the other one.

Claim 3

A spreading implement comprising a frame and a container supported on said frame, an outlet in said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members positioned between said outlet and said spreading member, each of said flow control members having port means, an adjusting mechanism connected to said flow control members for moving same relative to said outlet and to place said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control members whereby both of said flow control members move in response to a movement of said control element, said flow control members being connected to said adjusting mechanism with rod assembly means including an arm and separate rods connected to said arm, each of said rods being connected to its respective flow control member whereby the speed of movement and extent of movement of said flow control members differs from the speed and extent of movement of said single control.

Claim 4

A spreading implement comprising a frame and a container supported on said frame, an outlet in said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members positioned between said outlet and said spreading member, each of said flow control members having port means, an adjusting mechanism connected to said flow control members for moving same relative to said outlet and to place said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control members whereby both of said flow control members move in response to a movement of said control element, said flow control members being connected to said adjusting mechanism with rod assembly means including an arm and separate rods connected to said arm, each of said rods being connected to its respective flow control member whereby the speed of movement and extent of movement of said flow control members differs from the speed and extent of movement of said single control.

Claim 5

A spreading implement comprising a frame and a container supported on said frame, an outlet in the lower end of said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two turnable flow control discs each having port means being positioned between said outlet and said spreading member, said outlet being of a greater area than said port means, an adjusting mechanism connected to said flow control discs for moving same relative to said outlet and to place said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control discs, said discs having projections interconnected by connecting means with a pivotal setting arm means of said adjusting mechanism, said connecting means being connected to said setting arm means at different distances from the axis about which said setting arm means is pivotable.

Claim 6

A spreading implement comprising a frame and a container supported on said frame, an outlet in the lower end of said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two turnable flow control discs each having port means being positioned between said outlet and said spreading member, said outlet being of a greater area than said port means, an adjusting mechanism connected to said flow control discs for moving same relative to said outlet and to place said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control discs, said discs having projections interconnected by connecting means with a pivotal setting arm means of said adjusting mechanism, said connecting means being connected to said setting arm means at different distances from the axis about which said setting arm means is pivotable.

Claim 7

An implement as claimed in claim 3, wherein said connecting means can be coupled to said projections at a plurality of different points.

Claim 8

A spreading implement comprising a frame and a container supported on said frame, an outlet in the bottom of said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members having port means positioned between said outlet and said spreading member, an adjusting mechanism connected to said flow control members for moving same to place said outlet and said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control members whereby both of said flow control members move in response to a movement of said control element, said flow control members being connected with rod assembly means to said adjusting mechanism including two setting arms which are angularly spaced from one another about an axis around which said arms are pivotable, said rod assembly means including two rods each connecting a flow control member with its respective setting arm whereby when said single control element is moved, one flow control member is displaced through a greater distance than the other one.

Claim 9

A spreading implement comprising a frame and a container supported on said frame, an outlet in the bottom of said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members having port means positioned between said outlet and said spreading member, an adjusting mechanism connected to said flow control members for moving same to place said outlet and said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control members whereby both of said flow control members move in response to a movement of said control element, said flow control members being connected with rod assembly means to said adjusting mechanism including two setting arms which are angularly spaced from one another about an axis around which said arms are pivotable, said rod assembly means including two rods each connecting a flow control member with its respective setting arm whereby when said single control element is moved, one flow control member is displaced through a greater distance than the other one.

Claim 10

An implement as claimed in claim 5, wherein at least one flow control member includes a port and an auxiliary port, said auxiliary port being normally located in register with a closed portion of the bottom of said container.

Claim 11

A spreading implement comprising a frame and a container supported on said frame, a rotatable spreading member mounted adjacent the lower portion of said container and at least one outlet in said container through which material can reach said spreading member, two flow control members positioned adjacent said outlet, said flow control Members each being provided with a port, said flow control members being connected to an adjusting mechanism having a single control element for actuating said flow control members whereby both of said flow control members move in response to a movement of said control element and, when said control element is moved, one flow control member is displaced through a greater distance than the other control member, said control members being movable by said adjusting mechanism to place said outlet and said ports in more or less register, the port of one flow control member being shaped to taper in width.

Claim 12

A spreading implement comprising a frame and a container supported on said frame, a rotatable spreading member mounted adjacent the lower portion of said container and at least one outlet in said container through which material can reach said spreading member, two flow control members positioned adjacent said outlet, said flow control Members each being provided with a port, said flow control members being connected to an adjusting mechanism having a single control element for actuating said flow control members whereby both of said flow control members move in response to a movement of said control element and, when said control element is moved, one flow control member is displaced through a greater distance than the other control member, said control members being movable by said adjusting mechanism to place said outlet and said ports in more or less register, the port of one flow control member being shaped to taper in width.

Claim 13

A spreading implement comprising a frame and a container supported on said frame, an outlet in the bottom of said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members with port means positioned between said outlet and said spreading member, an adjusting mechanism connected to said flow control members for moving same to place said outlet and said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control members wherein in response to a movement of said control element, said flow control members being displaceable so that one flow control member is displaced through a greater distance than the other one, said control members being connected to said adjusting mechanism with rod assembly means, said adjusting mechanism including a substantially vertical pivotal shaft and a setting arm means being secured to said shaft, said rod assembly means including separate rods each connecting a flow control member to said setting arm means, said shaft being turnably journaled in supporting brackets secured to said implement, said control element being connected to the upper end of said shaft and being movable relative to a reference member having a scale with an adjustably mounted stop, said flow control members being of angular configuration and the inner ends of said flow control members being located in a groove formed between the bottom of said container and a flange of a supporting ring, said ring being fixed to the bottom of the container.

Claim 14

A spreading implement comprising a frame and a container supported on said frame, an outlet in the bottom of said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members with port means positioned between said outlet and said spreading member, an adjusting mechanism connected to said flow control members for moving same to place said outlet and said port means in more or less register, said adjusting mechanism having a single control element for actuating said flow control members wherein in response to a movement of said control element, said flow control members being displaceable so that one flow control member is displaced through a greater distance than the other one, said control members being connected to said adjusting mechanism with rod assembly means, said adjusting mechanism including a substantially vertical pivotal shaft and a setting arm means being secured to said shaft, said rod assembly means including separate rods each connecting a flow control member to said setting arm means, said shaft being turnably journaled in supporting brackets secured to said implement, said control element being connected to the upper end of said shaft and being movable relative to a reference member having a scale with an adjustably mounted stop, said flow control members being of angular configuration and the inner ends of said flow control members being located in a groove formed between the bottom of said container and a flange of a supporting ring, said ring being fixed to the bottom of the container.

Claim 15

A spreading implement comprising a frame and a container supported on said frame, a rotatable spreading member mounted adjacent the lower portion of said container and at least one outlet in said container through which material can reach said spreading member, two flow control members having port means positioned adjacent said outlet, said flow control members being movable relative to said outlet to close same to a desired extent and an adjusting mechanism operatively connected to said flow control members, said port means being located above a frustoconical portion of said spreading member, said spreading member being rotatable about a substantially vertical axis, said frustoconical portion adjoining a substantially planar plate-shaped portion of said spreading member that extends substantially perpendicular to the axis of rotation of said spreading member, said planar portion being generally rectangular and provided with spreading blades that extend towards its four corners, the outermost ends of said spreading blades passing through lines that extend radially from the axis of rotation of said spreading member and the inner ends of said blades being located forwardly of said outermost ends relative to the direction of rotation of said spreading member.

Claim 16

A spreading implement comprising a frame and a container supported on said frame, a rotatable spreading member mounted adjacent the lower portion of said container and at least one outlet in said container through which material can reach said spreading member, two flow control members having port means positioned adjacent said outlet, said flow control members being movable relative to said outlet to close same to a desired extent and an adjusting mechanism operatively connected to said flow control members, said port means being located above a frustoconical portion of said spreading member, said spreading member being rotatable about a substantially vertical axis, said frustoconical portion adjoining a substantially planar plate-shaped portion of said spreading member that extends substantially perpendicular to the axis of rotation of said spreading member, said planar portion being generally rectangular and provided with spreading blades that extend towards its four corners, the outermost ends of said spreading blades passing through lines that extend radially from the axis of rotation of said spreading member and the inner ends of said blades being located forwardly of said outermost ends relative to the direction of rotation of said spreading member.

Claim 17

A spreading implement comprising a frame and a container supported on said frame, an outlet in said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members having port means being positioned between said outlet and said spreading member, an adjusting mechanism connected to said flow control members for moving same to place said outlet and said port means in more or lEss register, said adjusting mechanism having a control element for actuating said flow control members whereby said flow control members move in response to a movement of said control element and whereby one flow control member is displaced through a greater distance than the other, said spreading member being mounted on a substantially rotatable vertical shaft which extends upwardly through the bottom of said container, a cap on said shaft within said container, the bottom of said container having an upwardly extending rim extending around said shaft, said rim underlying the lower portion of said cap.

Claim 18

A spreading implement comprising a frame and a container supported on said frame, an outlet in said container and a spreading member rotatably mounted adjacent said outlet for distributing material received from said container through said outlet, two movable flow control members having port means being positioned between said outlet and said spreading member, an adjusting mechanism connected to said flow control members for moving same to place said outlet and said port means in more or lEss register, said adjusting mechanism having a control element for actuating said flow control members whereby said flow control members move in response to a movement of said control element and whereby one flow control member is displaced through a greater distance than the other, said spreading member being mounted on a substantially rotatable vertical shaft which extends upwardly through the bottom of said container, a cap on said shaft within said container, the bottom of said container having an upwardly extending rim extending around said shaft, said rim underlying the lower portion of said cap.