Claims
- 1. A flitch table for mounting a flitch for slicing of veneer from the flitch by a knife, the flitch including a mounting side which lies adjacent the table when the flitch is mounted to the table, the mounting side including an opening, the table including a dog for projecting into the opening when the flitch is mounted to the table to fix the flitch to the table for slicing of the flitch, the dog having a flitch fixing position in which the flitch is fixed to the table by the dog and a flitch releasing position in which the flitch is not fixed to the table by the dog, and means for driving the dog between the fixing and releasing positions.
- 2. The apparatus of claim 1 wherein the dog comprises a dogging portion for engaging the flitch adjacent the opening when the dog is in the fixing position.
- 3. The apparatus of claim 2 wherein the drive means comprises a drive shaft for rotating the dog between the fixing position and the releasing position.
- 4. The apparatus of claim 3 wherein the dog comprises an oval shaped head portion, the dogging portion comprising the region of the head portion adjacent either end of the major axis of the oval shaped head portion, the drive shaft mounting the dog adjacent the intersection of the major and minor axes of the head portion.
- 5. The invention of claim 3 wherein the opening comprises a groove extending generally transversely to the direction of relative movement between the flitch and the knife during the slicing of veneer.
- 6. The apparatus of claim 5 wherein there are a plurality of dogs and a plurality of drive shafts, the dogs spaced along the length of the groove when the flitch is mounted on the table.
- 7. The apparatus of claim 6 wherein the drive means substantially simultaneously drives all of the dogs between their fixing positions and their releasing positions.
- 8. The apparatus of claim 6 wherein the flitch table further comprises a guide rail extending between adjacent dogs, the guide rail extending into the groove between the locations at which said adjacent dogs extend into the groove when the flitch is mounted on the table.
- 9. The invention of claim 5 wherein the flitch comprises a plurality of such grooves extending generally parallel to each other.
- 10. The apparatus of claim 9 wherein there are a plurality of dogs and a plurality of drive shafts, the dogs arranged in rows, each row of dogs extending along the length of one of the grooves when the flitch is mounted on the table.
- 11. The apparatus of claim 10 wherein the drive means substantially simultaneously drives all of the dogs between their fixing positions and their releasing positions.
- 12. The apparatus of claim 10 wherein the flitch table comprises guide rails extending between adjacent dogs along the length of one of the grooves when the flitch is mounted on the table, the guide rails extending into respective ones of the grooves between the locations at which said adjacent dogs extend into the respective grooves when the flitch is mounted on the table.
- 13. A flitch table for mounting a flitch for slicing of veneer from the flitch by a knife, the flitch including a mounting side which lies adjacent to the table when the flitch is mounted to the table, the mounting side including a groove extending generally transversely of the direction of relative movement between the flitch and the knife during the slicing of veneer, the table including means defining a guide rail for projecting into the groove when the flitch is mounted to the table.
- 14. The apparatus of claim 13 and further comprising a dog for fixing the flitch on the table, the dog having a flitch fixing position in which the flitch is fixed to the table by the dog and a flitch releasing position in which the flitch is not fixed to the table by the dog, and a drive shaft for driving the dog between the fixing and releasing positions.
- 15. The invention of claim 14 wherein the flitch comprises a plurality of such grooves extending generally parallel to each other.
- 16. The apparatus of claim 15 wherein there are a plurality of guide rails for projecting into the grooves when the flitch is mounted to the table.
- 17. The apparatus of claim 16 wherein there are a plurality of dogs, the dogs arranged in rows, each row of dogs extending along a guide rail.
Parent Case Info
This is a continuation-in-part of my earlier filed and co-pending U.S. Ser. No. 07/702,774 filed May 17, 1991 titled TANGENTIAL ROTARY SLICER and assigned to the same assignee as this application, now U.S. Pat. No. 5,101,874.
This invention relates to flitch tables for veneer slicers. It is disclosed in the environment of a rotary slicer which has the capability to slice sheets from multiple flitches with each rotation of a flitch carriage, but is believed to be useful in other types of veneer slicers as well.
Veneer slicers are known. There are, for example, the slicers of U.S. Pat. Nos.: 144,938; 793,306; 828,065; 2,261,497; 3,441,069; 3,680,612; 3,905,408; 4,089,354; 4,313,481; 4,323,101, and 4,587,616; and Swedish Patent Specification 29,479. These slicers have flitch tables or log stays for positioning the flitch being sliced on the slicer and maintaining the flitch in position throughout the slicing operation.
According to one aspect of the invention, a flitch table is provided for mounting a flitch for slicing of veneer from the flitch by a knife. The flitch includes a mounting side which lies adjacent the table when the flitch is mounted to the table, the mounting side including an opening. The table includes a dog for projecting into the opening when the flitch is mounted to the table to fix the flitch to the table for slicing of the flitch. The dog has a flitch fixing position in which the flitch is fixed to the table by the dog and a flitch releasing position in which the flitch is not fixed to the table by the dog. Means are provided for driving the dog between the fixing and releasing positions.
Illustratively according to this aspect of the invention, the dog comprises a dogging portion for engaging the flitch adjacent the opening when the dog is in the fixing position.
Further, illustratively, the drive means comprises a drive shaft for rotating the dog between the fixing position and the releasing position.
Additionally, illustratively, the dog comprises a somewhat elliptically shaped head portion. The dogging portion comprises the region of the head portion adjacent either end of the major axis of the elliptically shaped head portion. The drive shaft mounts the dog adjacent the intersection of the major and minor axes of the head portion.
Further, illustratively, the opening comprises a groove extending generally transversely to the direction of relative movement between the flitch and the knife during the slicing of veneer.
Additionally, illustratively, there are a plurality of dogs and a plurality of drive shafts. The dogs are spaced along the length of the groove when the flitch is mounted on the table.
Illustratively according to this aspect of the invention, the drive means substantially simultaneously drives all of the dogs between their fixing positions and their releasing positions.
Illustratively, the flitch table further comprises a guide rail extending between adjacent dogs, the guide rail extending into the groove between the locations at which said adjacent dogs extend into the groove when the flitch is mounted on the table.
Further, illustratively, the flitch comprises a plurality of such grooves extending generally parallel to each other.
Additionally, illustratively, there are a plurality of dogs and a plurality of drive shafts. The dogs are arranged in rows. Each row of dogs extends along the length of one of the grooves when the flitch is mounted on the table.
Further, illustratively, the drive means substantially simultaneously drives all of the dogs between their fixing positions and their releasing positions.
Illustratively, the flitch table comprises guide rails extending between adjacent dogs along the length of one of the grooves when the flitch is mounted on the table. The guide rails extend into respective ones of the grooves between the locations at which said adjacent dogs extend into the respective grooves when the flitch is mounted on the table.
According to another aspect of the invention, a flitch table mounts a flitch for slicing of veneer from the flitch by a knife. The flitch includes a mounting side which lies adjacent to the table when the flitch is mounted to the table. The mounting side includes a groove extending generally transversely of the direction of relative movement between the flitch and the knife during the slicing of veneer. The table includes means defining a guide rail for projecting into the groove when the flitch is mounted to the table to resist stresses on the flitch during placement of the flitch on the table and slicing of the flitch.
Illustratively, according to this aspect of the invention, a dog is provided for fixing the flitch on the table. The dog has a flitch fixing position in which the flitch is fixed to the table by the dog and a flitch releasing position in which the flitch is not fixed to the table by the dog, and a drive shaft for driving the dog between the fixing and releasing positions.
Additionally, illustratively, the flitch comprises a plurality of such grooves extending generally parallel to each other.
Further illustratively, there are a plurality of guide rails for projecting into the grooves when the flitch is mounted to the table to resist stresses on the flitch during placement of the flitch on the table and slicing of the flitch.
Additionally, illustratively, there are a plurality of dogs. The dogs are arranged in rows. Each row of dogs extends along a guide rail.
US Referenced Citations (11)
Foreign Referenced Citations (1)
| Number |
Date |
Country |
| 29479 |
Jun 1909 |
SEX |
Continuation in Parts (1)
|
Number |
Date |
Country |
| Parent |
702774 |
May 1991 |
|
Patent Grant
5150746
