Shoe attachment device
OwnerMao-Cheng Tsaiinventor
Life of this patent
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Abstract
A shoe attachment device comprises an attachment element and an attachment base. The attachment element is connected to a vamp or a heel strap. The attachment base is embedded in the sole, and includes an insertion slot into which the attachment element inserts to attach the vamp or the heel strap to the sole. The insertion slot includes an inner blocking member onto which an arcuate groove is defined. The engagement tooth engages the arcuate groove to attach the attachment element to the attachment base. A guiding lip is further formed in the insertion slot to engage a corresponding stop slot.
Claims3
A shoe attachment device, mounted onto a shoe having at least a sole, a vamp, and a heel strap, the attachment device comprising:
- an attachment element connected to the vamp or the heel strap, including at least an insertion tongue on which at least an engagement tooth is formed;
- and
- an attachment base embedded into the sole, including an insertion slot into which the attachment element inserts to attach the vamp or the heel strap, the insertion slot including an inner blocking member onto which an arcuate groove is defined, thereby the engagement tooth engages the arcuate groove to attach the attachment element to the attachment base, wherein a gap is left between a top portion of the engagement tooth and the arcuate groove once the engagement tooth is engaged with the arcuate groove.
Dependencies are inferred from the claim text.