Harvester chipper machine

Claim 2

A chipper head assembly for rotary milling and climb cutting a piece of wood, said assembly comprising: a. a first chipping knife; b. a second chipping knife; c. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; d. said second chipping knife having an annular cutting edge for cutting on the face of the wood; e. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; f. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; g. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; and, h. a first means to position said first sub-assembly and said second sub-assembly in a spaced apart relationship on the same arbor.

Claim 3

A chipper head assembly according to claim 1 and comprising: a. a plurality of second chipping knives in a side-by-side relationship to form a third sub-assembly; b. a plurality of first chipping knives in a side-by-side relationship to form a fourth sub-assembly; and, c. said third sub-assembly and said fourth sub-assembly on the same arbor and with the third sub-assembly being between the second sub-assembly and the fourth sub-assembly.

Claim 4

A chipper head assembly for rotary milling and climb cutting a piece of wood, said assembly comprising: a. a first chipping knife; b. a second chipping knife; c. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; d. said second chipping knife having an annular cutting edge for cutting on the face of the wood; e. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; f. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; g. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; h. a first means to position said first sub-assembly and said second sub-assembly in a spaced apart relationship on the same arbor; i. a second means to movably position said first sub-assembly on said arbor so as to vary the distance between the first sub-assembly and the second sub-assembly.

Claim 5

A chipper head assembly for rotary milling and climb cutting a piece of wood, said assembly comprising: a. a first chipping knife; b. a second chipping knife; c. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; d. said second chipping knife having an annular cutting edge for cutting on the face of the wood; e. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; f. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; g. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; h. a first means to position said first sub-assembly and said second sub-assembly in a spaced apart relationship on the same arbor; i. a second means to movably position said first sub-assembly on said arbor so as to vary the distance between the first sub-assembly and the second sub-assembly.

Claim 6

A chipper head assembly according to claim 3 and comprising: a. said second means comprising a first fluid actuated ram connecting with and for moving said first sub-assembly on said arbor.

Claim 7

A chipper head assembly according to claim 4 and comprising: a. said second means comprising a first thrust bearing connecting with said first sub-assembly; and, b. a first yoke connecting together said first thrust bearing and said first fluid actuated ram.

Claim 8

A chipper head assembly according to claim 4 and comprising: a. said first means comprising a second fluid actuated ram connecting with and for moving said second sub-assembly on said arbor.

Claim 9

A chipper head assembly according to claim 4 and comprising: a. said first means comprising a second thrust bearing connecting with said second sub-assembly; and, b. a second yoke connecting together said second thrust bearing and said second fluid actuated ram.

Claim 10

A chipper head assembly for rotary milling a piece of wood, said assembly comprising: a. a first chipping knife; b. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; c. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; d. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; e. a shaft; f. a first means to position said first sub-assembly on said shaft; and, g. a second means to movably position said second sub-assembly on said shaft so as to vary the distance between the first sub-assembly and the second sub-assembly.

Claim 11

A chipper head assembly for rotary milling a piece of wood, said assembly comprising: a. a first chipping knife; b. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; c. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; d. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; e. a shaft; f. a first means to position said first sub-assembly on said shaft; and, g. a second means to movably position said second sub-assembly on said shaft so as to vary the distance between the first sub-assembly and the second sub-assembly.

Claim 12

A chipper head assembly according to claim 8 and comprising: a. said second means comprising a first fluid actuated ram connectins with and for moving said second sub-assembly on said shaft.

Claim 13

A chipper head assembly according to claim 9 and comprising: a. said second means comprising a first thrust bearing connecting with said second sub-assembly; and, b. a first yoke connecting together said first thrust bearing and said first fluid actuated ram.

Claim 14

A chipper head assembly according to claim 8 and comprising: a. said first means comprising a second fluid actuated ram connecting with and for moving said first sub-assembly on said arbor.

Claim 15

A chipper head assembly according to claim 11 and comprising: a. said first means comprising a second thrust bearing connecting with said first sub-assembly; and, b. a second yoke connecting together said second thrust bearing and said second fluid actuated ram.

Claim 16

A chipper head assembly according to claim 8 and comprising: a. a second chipping knife; b. said second chipping knife having an annular cutting edge for cutting on the face of the wood; c. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; d. a plurality of second chipping knives in a side-by-side relationship to form a third sub-assembly; e. said third sub-assembly being fixedly positioned on said shaft; and, f. said first sub-assembly being positioned between said second sub-assembly and said third sub-assembly.

Claim 17

A chipper head assembly according to claim 13 and comprising: a. said second means comprising a first fluid actuated ram connecting with and for moving said second sub-assembly on said shaft.

Claim 18

A chipper head assembly according to claim 14 and comprising: a. said second means comprising a first thrust bearing connecting with said second sub-assembly; and, b. a first yoke connecting together said first thrust bearing and said first fluid actuated ram.

Claim 19

A chipper head assembly according to claim 8 and comprising: a. said first cutting knife having a face, a back and sides between the face and the back, and a heel; b. said heel sloping inwardly from the upper part of the face to the upper part of the back; c. the width dimension of the face being larger than the width dimension of the back so that the width of the cutting knife decreases upon going from the face to the back; d. the junction of the side and the edge of the face projecting forwardly of the main part of the face so as to have a recessed face; e. the junction of the side and the edge of the face defining said radial cutting edge; and, f. the junction of the face and the heel defining said annular cutting edge of said first chipping knife.

Claim 20

A chipper head assembly for rotary milling and climb cutting a piece of wood, said assembly comprising: a. a first chipping knife; b. a second chipping knife; c. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; d. said second chipping knife having an annular cutting edge for cutting on the face of the wood; e. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; f. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; g. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; h. a first means to position said first sub-assembly and said second sub-assembly in a spaced apart relationship on the same arbor; i. a plurality of second chipping knives in a side-by-side relationship to form a third sub-assembly; j. said third sub-assembly being fixedly positioned on said arbor; and, k. said third sub-assembly being positioned between said first sub-assembly and said second sub-assembly.

Claim 21

A chipper head assembly for rotary milling and climb cutting a piece of wood, said assembly comprising: a. a first chipping knife; b. a second chipping knife; c. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; d. said second chipping knife having an annular cutting edge for cutting on the face of the wood; e. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; f. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; g. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; h. a first means to position said first sub-assembly and said second sub-assembly in a spaced apart relationship on the same arbor; i. a plurality of second chipping knives in a side-by-side relationship to form a third sub-assembly; j. said third sub-assembly being fixedly positioned on said arbor; and, k. said third sub-assembly being positioned between said first sub-assembly and said second sub-assembly.

Claim 22

A chipper head assembly for rotary milling and climb cutting a piece of wood, said assembly comprising: a. a first chipping knife; b. a second chipping knife; c. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; d. said second chipping knife having an annular cutting edge for cutting on the face of the wood; e. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; f. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; g. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; h. a first means to position said first sub-assembly and said second sub-assembly in a spaced apart relationship on the same arbor; i. said first cutting knife having a face, a back and sides between the face and the back, and a heel; j. said heel sloping inwardly from the upper part of the face to the upper part of the back; k. the width dimension of the face being larger than the width dimension of the back so that the width of the cutting knife decreases upon going from the face to the back; l. the junction of the side and the edge of the face projecting forwardly of the main part of the face so as to have a recessed face; m. the junction of the side and the edge of the face defining said radial cutting edge; and, n. the junction of the face and the heel defining said annular cutting edge of said first chipping knife.

Claim 23

A chipper head assembly for rotary milling and climb cutting a piece of wood, said assembly comprising: a. a first chipping knife; b. a second chipping knife; c. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; d. said second chipping knife having an annular cutting edge for cutting on the face of the wood; e. the annular cutting edge of the first chipping knife being on a larger radius than the annular cutting edge of the second chipping knife; f. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; g. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; h. a first means to position said first sub-assembly and said second sub-assembly in a spaced apart relationship on the same arbor; i. said first cutting knife having a face, a back and sides between the face and the back, and a heel; j. said heel sloping inwardly from the upper part of the face to the upper part of the back; k. the width dimension of the face being larger than the width dimension of the back so that the width of the cutting knife decreases upon going from the face to the back; l. the junction of the side and the edge of the face projecting forwardly of the main part of the face so as to have a recessed face; m. the junction of the side and the edge of the face defining said radial cutting edge; and, n. the junction of the face and the heel defining said annular cutting edge of said first chipping knife.

Claim 24

A chipper head assembly for rotary milling a piece of wood, said assembly comprising: a. a first chipping knife; b. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; c. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; d. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; e. a shaft; f. a first means to position said first sub-assembly on said shaft; g. a second means to movably position said second sub-assembly on said shaft so as to vary the distance between the first sub-assembly and the second sub-assembly; h. said first cutting knife having a face, a back and sides between the face and the back, and a heel; i. said heel sloping inwardly from the upper part of the face to the upper part of the back; j. the width dimension of the face being larger than the width dimension of the back so that the width of the cutting knife decreases upon going from the face to the back; k. the junction of the side and the edge of the face projecting forwardly of the main part of the face so as to have a recessed face; l. the junction of the side and the edge of the face defining said radial cutting edge; and, m. the junction of the face and the heel defining said annular cutting edge of said first chipping knife.

Claim 25

A chipper head assembly for rotary milling a piece of wood, said assembly comprising: a. a first chipping knife; b. said first chipping knife having a radial cutting edge and an annular cutting edge for cutting on the face of the piece of wood; c. a plurality of first chipping knives in a side-by-side relationship to form a first sub-assembly; d. a plurality of first chipping knives in a side-by-side relationship to form a second sub-assembly; e. a shaft; f. a first means to position said first sub-assembly on said shaft; g. a second means to movably position said second sub-assembly on said shaft so as to vary the distance between the first sub-assembly and the second sub-assembly; h. said first cutting knife having a face, a back and sides between the face and the back, and a heel; i. said heel sloping inwardly from the upper part of the face to the upper part of the back; j. the width dimension of the face being larger than the width dimension of the back so that the width of the cutting knife decreases upon going from the face to the back; k. the junction of the side and the edge of the face projecting forwardly of the main part of the face so as to have a recessed face; l. the junction of the side and the edge of the face defining said radial cutting edge; and, m. the junction of the face and the heel defining said annular cutting edge of said first chipping knife.