Last
US-2023129876-A1 · Apr 27, 2023 · US
US12029281B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12029281-B2 |
| Application number | US-202218048651-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 21, 2022 |
| Priority date | Oct 22, 2021 |
| Publication date | Jul 9, 2024 |
| Grant date | Jul 9, 2024 |
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A last includes a first part having a first plate-shaped portion and a second part having a second part-side receiving portion having a cutout shape. When the first plate-shaped portion is received in the second part-side receiving portion, the first part and the second part are assembled. The second part includes a second part-side engaging portion having a protruding shape on an inner side surface in a portion defining the second part-side receiving portion, and the first plate-shaped portion has a main surface with a first part-side to-be-engaged portion having a through hole shape or a recessed shape. When the first plate-shaped portion is inserted into the second part-side receiving portion, the first plate-shaped portion is fitted into the second part-side receiving portion, and the first part-side to-be-engaged portion is engaged by the second part-side engaging portion.
Opening claim text (preview).
What is claimed is: 1. A last for forming a shoe upper, the last comprising: a plurality of last forming parts that are detachable, wherein the last forming parts include a first part and a second part, at least one of the first part and the second part defines a forming surface for forming the shoe upper, the first part includes a first plate-shaped portion, the second part includes a second part-side receiving portion having a cutout shape, when the first plate-shaped portion is received in the second part-side receiving portion, the first part and the second part are assembled, the second part includes a second part-side engaging portion having a protruding shape on an inner side surface in a portion defining the second part-side receiving portion, the first plate-shaped portion has a main surface with a first part-side to-be-engaged portion having a through hole shape or a recessed shape, when the first plate-shaped portion is inserted into the second part-side receiving portion, the first plate-shaped portion is fitted into the second part-side receiving portion, and the first part-side to-be-engaged portion is engaged by the second part-side engaging portion. 2. The last according to claim 1 , wherein the second part includes a second plate-shaped portion, the second part-side receiving portion includes a second part-side slit in the second plate-shaped portion to reach an end surface of the second plate-shaped portion, and the first plate-shaped portion and the second plate-shaped portion are assembled to intersect with each other. 3. The last according to claim 2 , wherein a pair of the second part-side engaging portions are configured to face each other in a direction intersecting with an extending direction of the second part-side slit, the first part-side to-be-engaged portion has a through hole shape, a portion of the first part-side to-be-engaged portion that is exposed in one of a pair of main surfaces of the first plate-shaped portion is engaged by one of the pair of the second part-side engaging portions, and a portion of the first part-side to-be-engaged portion that is exposed in the other of the pair of main surfaces of the first plate-shaped portion is engaged by the other of the pair of the second part-side engaging portions. 4. The last according to claim 2 , wherein a plurality of the second part-side engaging portions are configured to extend in an extending direction of the second part-side slit, a plurality of the first part-side to-be-engaged portions are configured to extend in a direction in which the first plate-shaped portion is inserted into the second part-side slit, and the plurality of the first part-side to-be-engaged portions are engaged by the plurality of the second part-side engaging portions. 5. The last according to claim 2 , wherein the first part includes a first part-side receiving portion having a cutout shape, the first part-side receiving portion is configured of a first part-side slit in the first plate-shaped portion to reach an end surface of the first plate-shaped portion, the first part-side to-be-engaged portion is at a position on a line extending in an extending direction of the first part-side slit, and when the second plate-shaped portion is inserted into the first part-side slit, the second plate-shaped portion is fitted into the first part-side slit. 6. The last according to claim 5 , wherein the first plate-shaped portion includes a first part-side engaging portion having a protruding shape on an inner side surface in a portion defining the first part-side slit, a second part-side to-be-engaged portion having a through hole shape or a recessed shape is on a main surface of the second plate-shaped portion, the second part-side to-be-engaged portion is at a position on a line extending in an extending direction of the second part-side slit, and the second part-side to-be-engaged portion is engaged by the first part-side engaging portion. 7. The last according to claim 6 , wherein a pair of the first part-side engaging portions are configured to face each other in a direction intersecting with the extending direction of the first part-side slit, the second part-side to-be-engaged portion has a through hole shape, a portion of the second part-side to-be-engaged portion that is exposed in one of a pair of main surfaces of the second plate-shaped portion is engaged by one of the pair of the first part-side engaging portions, and a portion of the second part-side to-be-engaged portion that is exposed in the other of the pair of main surfaces of the second plate-shaped portion is engaged by the other of the pair of the first part-side engaging portions. 8. The last according to claim 6 , wherein a plurality of the first part-side engaging portions are configured to extend in the extending direction of the first part-side slit, a plurality of the second part-side to-be-engaged portions are configured to extend in a direction in which the second plate-shaped portion is inserted into the first part-side slit, and the plurality of the second part-side to-be-engaged portions are engaged by the plurality of the first part-side engaging portions. 9. The last according to claim 2 , wherein the first part is configured of a wooden board including only the first plate-shaped portion, the second part is configured of a wooden board including only the second plate-shaped portion, and an end surface of each of the first plate-shaped portion and the second plate-shaped portion defines the forming surface. 10. The last according to claim 9 , wherein the last includes a plurality of the first parts and a plurality of the second parts, and the plurality of the first parts and the plurality of the second parts are mutually assembled. 11. The last according to claim 2 , wherein the first part is configured of, in addition to the first plate-shaped portion, a block made of resin and having a portion defining at least a part of a bottom surface of the last, the second part is configured of a wooden board including only the second plate-shaped portion, and the end surface of the second plate-shaped portion defines the forming surface. 12. The last according to claim 11 , wherein the last includes a plurality of the second parts, and when a plurality of the first part-side to-be-engaged portions are configured to extend in a direction intersecting with a direction in which the first plate-shaped portion is inserted into the second part-side slit and in a direction intersecting with a main surface of the second plate-shaped portion, the plurality of the second parts arranged in a multilayered manner are assembled into the first part. 13. The last according to claim 1 , wherein the first part is configured of a wooden board including only the first plate-shaped portion, the second part is configured of a block of resin and having a portion defining at least a part of a bottom surface of the last, and an end surface of the first plate-shaped portion defines the forming surface. 14. The last according to claim 13 , wherein the last includes a plurality of the first parts, and when a plurality of the second part-side receiving portions are configured to extend in a direction intersecting with a direction in which the first plate-shaped portion is inserted into the second part-side receiving portion and in a direction intersecting with the main surface of the first plate-shaped portion, the plurality of the first parts arranged in a multilayered manner are assembled into the second part.
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