Draw -in groove formula seat callus on sole
The utility model discloses a draw -in groove formula seat callus on sole, including seat callus on the sole base member, be formed with on the seat callus on the sole base member one with seat support complex arc recess, the arc form of arc recess is greater than the semicircle just the width of re...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses a draw -in groove formula seat callus on sole, including seat callus on the sole base member, be formed with on the seat callus on the sole base member one with seat support complex arc recess, the arc form of arc recess is greater than the semicircle just the width of rebate of arc recess is less than the diameter of seat support. The utility model has the advantages of the utility model discloses an arc recess chucking need not the screw and installs on the seat support, and the installation is simple swift, and the structure is firm. |
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