An interchangeable heel device for a shoe is disclosed. The device has an upper heel block, a detachable heel, and a key. The key is in a top of the detachable heel or in a bottom of the upper heel block and a receiving recess is in the other of the detachable heel or upper heel block. The key is movable within the receiving recess between a released position and an engaged position. In the engaged position, each key first engagement portion is engaged with one of the receiving first engagement portions and each key second engagement portions is engaged with one of the receiving second engagement portions to join the key to the perimeter of the receiving recess and the heel to the sole. In the released position, each key first engagement portion is aligned with one of the receiving non-engagement recesses and the key is removable from the receiving recess.

A shoe having an interchangeable heel is disclosed. The shoe has a sole, a receiving recess, and a heel. The receiving recess is in a heel area of the shoe below an insole of the sole. The heel has a key on a top side of the heel configured to engage the receiving recess. The key is movable within the receiving recess between a released position and an engaged position. In the engaged position each key first engagement portion is engaged with one of the receiving first engagement portions and each key second engagement portion is engaged with one of the receiving second engagement portions to join the key to the perimeter and the heel to the sole. In the released position each key first engagement portion is aligned with one of the receiving non-engagement recesses and the key is removable from the receiving recess.

An interchangeable heel device for a shoe is disclosed. The device has an upper base and a key. The upper base has a receiving recess that is configured to be located in a heel area of a shoe below an insole of the shoe. The key is for attaching to an upper side of a heel of a shoe. The key is movable within the receiving recess between a released position and an engaged position. In the engaged position each key first engagement portion is engaged with one of the receiving first engagement portions and each key second engagement portions is engaged with one of the receiving second engagement portions to join the key to the perimeter and the heel to the sole. In the released position each key first engagement portion is aligned with one of the receiving recessed regions and the key is removable from the receiving recess.

An apparatus and method are described for removably coupled footwear. The disclosed embodiments describe amongst other things, for example, a pair of shoes whereby the soles or top surfaces of each shoe may be connected and disconnected easily.

A shoe with a spring heel is provided. The shoe includes a shoe top portion, a sole and a spring. The shoe top portion is operable to retain a user foot within. The sole is secured to the bottom of the shoe top portion. The sole includes a front toe portion and a rear heel portion. The rear heel portion includes an upper inner surface and lower inner surface formed by a cutout portion. The spring is disposed within the cutout portion. The spring includes an upper plate and a lower plate joined by a U-shaped bend. The upper plate is secured to the upper inner surface and the lower plate is secured to the lower inner surface of the rear heel portion.

The present invention discloses a height adjustable modular heel (2) for use in a shoe, comprises a heel body (22) having a first end detachably attached to a heel base (21) that is affixed to the shoe and a second end detachably attached with a heel cap (23) to protect the heel body (22) from wear and tear, wherein the heel body (22) is formed by identical heel body pieces (22A) that are detachably attached together in a stacking manner to form a desired height for the heel (2) depending on a number of the heel body pieces (22A) stacked, and wherein the heel body pieces (22A) are interchangeable and stackable in any sequence to allow for customization of the heel height, characterised in that the heel (2), assembled by the heel base (21), the heel body (22) and the heel cap (23), forms an arc of a predetermined radius to achieve same or similar level of ergonomics at different heights.