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US 2021/0274889 A1Published application
Shoe Last with Screw Joint
OwnerSamuel Jewell Lochner, Tezera Ketemainventors
Life of this patent
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Abstract
A shoe last with a back part and a front part connected by a joint for de-lasting. The joint is operated by the rotation of a threaded component, possibly with a drill. The relative motion of the back and front parts may be restricted to sliding. The shoe last and joint are optimized for 3D printing.
Claims20
A shoe last comprising:
- a back part;
- a front part;
- a threaded component wherein rotation of the threaded component causes the shoe last to open.
Dependencies are inferred from the claim text.