A shock absorbing device having at least one canted spring disposed between two members is described. When the members move toward each other, the one or more canted coil springs are canted and compressed. The shock absorbing device takes advantage of the unique force-displacement curve of canted springs and reduces bounce back.

A shock absorbing device having at least one canted spring disposed between two members is described. When the members move toward each other, the one or more canted coil springs are canted and compressed. The shock absorbing device takes advantage of the unique force-displacement curve of canted springs and reduces bounce back.

A high heel footwear including a heel tip assembly and a heel assembly. The heel tip assembly includes a top lift abutting against the heel, a rigid shaft member having a threaded portion, and a first wedge-lock feature configured to prevent the top lift from rotating. The heel assembly includes a threaded insert, a spring, a hollow insert, and a second wedge-lock feature. The threaded insert is received inside an opening formed in the heel to receive the threaded portion of the rigid shaft member. The spring is also received inside the opening and abuts against the threaded insert. The hollow insert abuts against the spring. The rigid shaft member passes through the threaded insert, the spring, and the hollow insert. The second wedge-lock feature locks with the first wedge-lock feature to retain the top lift on the end of the heel.

A high heel footwear including a heel tip assembly and a heel assembly. The heel tip assembly includes a top lift abutting against the heel, a rigid shaft member having a threaded portion, and a first wedge-lock feature configured to prevent the top lift from rotating. The heel assembly includes a threaded insert, a spring, a hollow insert, and a second wedge-lock feature. The threaded insert is received inside an opening formed in the heel to receive the threaded portion of the rigid shaft member. The spring is also received inside the opening and abuts against the threaded insert. The hollow insert abuts against the spring. The rigid shaft member passes through the threaded insert, the spring, and the hollow insert. The second wedge-lock feature locks with the first wedge-lock feature to retain the top lift on the end of the heel.

A sole cushioning module includes a contacting plate, a base plate, a connecting portion and a first spring leaf. The contacting plate abuts against a sole. The base plate and the contacting plate form a space. The connecting portion connects with the contacting plate and the base plate. The first spring leaf is located within the space. The first spring leaf connects with the base plate. The first spring leaf is curved and forms a first outer curved surface. A first region of the first outer curved surface abuts against the contacting plate. When the contacting plate moves towards the base plate, the contacting plate presses on the first outer curved surface. The first spring leaf deforms, and the first outer curved surface slides relative to the contacting plate. The first region shifts towards an end of the first spring leaf connecting with the base plate.

An article of footwear has a sole with a forefoot portion, a midfoot portion, and a heel portion. The sole has a ground-facing side and a foot-facing side opposite the ground-facing side. The article of footwear includes a support system that has one or more rods spaced from the sole and extending longitudinally from the forefoot portion to the heel portion on the foot-facing side. The rod is operatively connected to the sole at the forefoot portion and at the heel portion. A sling is suspended from the rod over the midfoot portion. The rod bends when the sole is flexed to thereby lift the sling away from the sole.

An article of footwear has a sole with a forefoot portion, a midfoot portion, and a heel portion. The sole has a ground-facing side and a foot-facing side opposite the ground-facing side. The article of footwear includes a support system that has one or more rods spaced from the sole and extending longitudinally from the forefoot portion to the heel portion on the foot-facing side. The rod is operatively connected to the sole at the forefoot portion and at the heel portion. A sling is suspended from the rod over the midfoot portion. The rod bends when the sole is flexed to thereby lift the sling away from the sole.

A device for attaching removable interchangeable heels for shoes. A system for locking and unlocking interchangeable heels in order to change heels as desired, while keeping the same pair of shoes, includes a base with tenon, called the housing, wherein a flat locking spring is located, and a mortise part wherein a second flat spring is inserted. The mortise and tenon assembly is locked when the two flat springs, having complementary shapes, come into contact and immobilize one another. The user can act on the tab of the locking flat spring in order to rotate it and unlock the heel. The flat spring automatically returns to its initial position due to its elasticity, when the user releases it.

Proposed is a technology which relates to a device for posture correction and Kegel exercises and is employed in a pair of foot-protecting means provided on the left and right feet to enable posture correction and Kegel exercises during walking without significant expense of time and cost. The device includes an upper plate, a lower plate, and a spiral compression part provided between the upper plate and the lower plate, wherein the upper plate rotates relative to the lower plate during vertical compression of the spiral compression part, the spiral compression part is coupled to the foot-protecting means of each of the left and right sides, and rotation directions of the spiral compression parts of the left and right sides are opposite to each other.

A high heel footwear including a heel tip assembly and a heel assembly. The heel tip assembly includes a top lift abutting against the heel, a rigid shaft member having a threaded portion, and a first wedge-lock feature configured to prevent the top lift from rotating. The heel assembly includes a threaded insert, a spring, a hollow insert, and a second wedge-lock feature. The threaded insert is received inside an opening formed in the heel to receive the threaded portion of the rigid shaft member. The spring is also received inside the opening and abuts against the threaded insert. The hollow insert abuts against the spring. The rigid shaft member passes through the threaded insert, the spring, and the hollow insert. The second wedge-lock feature locks with the first wedge-lock feature to retain the top lift on the end of the heel.