Abstract: There is provided a safety apparatus including a push-up member in which an ejected object is hardly displaced even during transportation, and an aerial vehicle including the safety apparatus. A safety apparatus 100 includes a cylinder 14 that accommodates a piston member 10 and is provided with a bore 13 through which the piston member 10 protrudes to the outside (upward in FIG. 1) during operation, a push-up member 15 that is pushed up in one direction by the piston member 10, an ejected object 16 that is pushed up while being supported by the push-up member 15, a gas generator 17 as a power source that moves the piston member 10 in the cylinder 14, a container 18 that has a bottomed cylindrical shape and accommodates the piston member 10, the cylinder 14, the push-up member 15, the ejected object 16, and the gas generator 17, and a lid 21 that closes an opening end of the container 18.

Abstract: 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.

Abstract: An interchangeable heel for a shoe wherein the interchangeable heel includes a removable heel sleeve and a heel post which is mounted on the shoe wherein the heel sleeve is releasably mounted on the heel post by an opposed lock mechanism which includes a catch mechanism on one side of the interchangeable heel and a biasing mechanism on an opposite side of the interchangeable heel wherein the biasing mechanism includes a biasing member which is provided on the heel post wherein the biasing member is arranged to engage the removable heel sleeve; a shoe having the interchangeable heel; and a removable heel sleeve for use in the interchangeable heel according to the invention.

Abstract: An orthotic footwear system including a removable outsole, a removable reinforced hollow midsole attached to the top of the outsole, and a removable insole attached to the top of the midsole. A removable metatarsal pad can be attached to the top of the insole, and removable support inserts can be attached around the insole for additional support of problematic areas. Support inserts can be used to support the arch area, the heel area, or both. Each of the removable parts can be interchanged with parts of the same type having different ergonomic characteristics. The user can change the parts of the orthotic to suit their needs. Further, the support inserts can be used apart from the rest of the system, with any insole configured to receive them.

Abstract: Systems and methods for securing a removable heel that is otherwise removably attached to a heel receiver of a shoe. The heel receiver has a fixed hook portion and a movable hook portion including a body received by an internal cavity of the heel receiver and disposed opposite the fixed hook portion. The movable hook portion is configured to move between a retracted position and an extended position, where the removable heel is secured to the shoe when the movable hook portion is in the extended position. Securing the heel includes inserting a locking pin into the internal cavity to prevent movement of the hook portion from the extended position to the retracted position.

Abstract: The invention relates to a sole component for a shoe suitable for use with different heels. The sole component comprises a front, a middle and a rear sole portion and comprises a mechanism for adjusting the sole curvature in a transition region between the front and the middle sole portion. The mechanism comprises a rotatable supporting element which is provided in such a way that it may have a first angular position which causes a first sole curvature in the transition region and a second angular position which causes a second sole curvature in the transition region, wherein the first sole curvature is different from the second sole curvature.

Abstract: Provided is a shoe with a replaceable screw-on heel.

Abstract: An interchangeable heel member comprising a locking mechanism is provided. The locking mechanism comprises a pin member operated by a button. The interchangeable heel member is coupled to a shoe by means of the pin member. The shoe comprises a groove provided at a heel plate. The pin member is made to fit in the groove to hold the interchangeable heel member to the shoe. In order to remove the interchangeable heel member from the shoe, the button is pressed and the pin member is released from the groove. The interchangeable heel member is replaced with replacement heels that differ in height or diameter.

Abstract: A shoe is bisected across the width thereof with each half capable of interlocking with the opposing half by means of intersecting prongs and prong receivers. A single insole is configured to cover the interlocking seem. Each shoe half comes in a variety of styles and shapes.

Abstract: The invention relates to a sole component for a shoe suitable for use with different heels. The sole component comprises a front, a middle and a rear sole portion and comprises a mechanism for adjusting the sole curvature in a transition region between the front and the middle sole portion. The mechanism comprises a rotatable supporting element which is provided in such a way that it may have a first angular position which causes a first sole curvature in the transition region and a second angular position which causes a second sole curvature in the transition region, wherein the first sole curvature is different from the second sole curvature.

Abstract: A shoe including an upper comprising an outersole, a toe portion, and a rigid plate; and a heel comprising a threaded shaft upwardly extending therefrom, wherein the rigid plate comprises a threaded barrel comprising a lower open end and an upper closed end opposite therefrom, and wherein the heel is removably attached to the upper based on the threaded shaft threading into the threaded barrel from the lower open end to the upper closed end, and wherein the rigid plate extends over the heel when the heel is removably attached to the upper, and wherein the rigid plate extends past the heel towards the toe portion along the outersole.

Abstract: A shoe with a detachable heel includes: a heel post; a heel cladding including an aperture shaped to receive the heel post; and an attachment mechanism secured to the heel cladding, the attachment mechanism including seated within the heel cladding wherein the attachment mechanism includes a button biased towards first position in which the attachment mechanism secures the heel post within the heel cladding and when a force is applied to overcome the bias towards the first position the button translates approximately perpendicular to the heel post to place the attachment mechanism in a second position wherein the heel post is released from within the heel cladding.

Abstract: A shoe having a hinge member incorporated between a footbed toe plate and footbed arch plate allowing the shoe to be configured as a flat or heeled shoe. The footbed toe plate and footbed arch plate are rotatably joined via one or more hinge pins inserted through interlaced teeth of each plate. A spring-biased hinge lock extending between the plates is controlled by a spring-biased pin having a notch for selectively receiving the hinge lock such that the hinge lock disengages the footbed arch plate allowing the footbed arch plate to rotate relative to the footbed toe plate. The heel block includes a spring-biased heel lock extending into a removable heel and is controlled by a spring-biased pin having a notch for selectively receiving the hinge lock such that the hinge lock disengages the heel allowing the heel to be removed from the heel block.

Abstract: A shoe with interchangeable attachable heel that includes a connection seat disposed upon a sole of an extant shoe, said connection seat disposed between a shank and a counter of said extant shoe, wherein a top plate, disposed atop at least one attachable heel, is expediently connectable to the connection seat by sliding engagement therewith and superimposition thereupon, whereby a lozenge-shaped protrusion disposed atop the top plate is positional for engagement interior to a connection aperture centrally disposed upon the connection seat, and each of a pair of arcuate rails slidingly engages interior to each of a pair of arcuate channels disposed upon the connection seat, whereby a plurality of pegs are extendable interior to each of a plurality of holes disposed upon the connection seat and the attachable heel is expediently securable for custom wear upon the connection seat, as desired.

Abstract: A flat-to-heel convertible outsole allows a user to transition from a flat-bottom, low-wedge shoe style to a high-heel shoe style. A collapsible heel includes an upper heel, a lower heel, and a heel pin. The upper heal is connected to an arch platform in order to form a single foot supporting structure. The heel pin is hingedly connected to the upper heel, while the lower heel is telescopically connected to the heel pin opposite the upper heel. In this way, the lower heel can be positioned in an extended configuration or a stowed configuration. When in the extended configuration, a locking mechanism connected to the lower heel engages a lock notch of the upper heel in order to secure the lower heel to the upper heel. When in the stowed configuration, the lower heel is positioned within a heel recess that traverses into the arch platform.

Abstract: A shoe wedge includes a support structure. The support structure includes two longitudinally extending wall portions that are biased towards one another such that the wall portions define a channel extending between the wall portions and an opening that extends from an upper surface of the support structure to a lower surface of the support structure. The opening has a larger cross sectional area at the upper surface than at the lower surface. The shoe wedge further includes a body portion that extends from the support structure. The body portion is configured with a surface that substantially conforms to a portion of a sole of a shoe.

Abstract: In one embodiment of the invention, heel changer apparatus includes: a shoe including a shoe hole; a locking mechanism configured to removably couple a first heel to the shoe, wherein the locking mechanism includes a connector bolt; wherein the first heel includes a first connector slot; wherein the connector bolt is configured to be removably inserted into the shoe hole and into the first connector slot; and wherein the connector bolt, the shoe hole, and the first connector slot are configured to be the locking mechanism that removably couples the first heel to the shoe.

Abstract: Provided is a shoe with a replaceable screw-on heel.

Abstract: A locking system for interchangeable shoes heels, each having an axial upper integral extension, includes a substantially horizontal system platform and thereabove an integral heel extension enclosure having opposing lateral sides including void spaces within the sides and internal therewith, to secure the axial extension of a heel to be selectably attached to a bottom rear of a shoe. The system also includes a pair of substantially horizontal and symmetric locking ramps, each having (i) a front and rear portion, the front portion of each ramp having a plurality of gear teeth opposing to, and interlockable with, each other; (ii) vertically disposed key receivers integral with the front portion of each locking ramp and proximal to the gear teeth; and (iii) the rear portion of each ramp moveable through the void spaces of a heel engagement structure engagement structure complemental to the heel extension enclosure, ends of the rear portions of the locking ramps normally biased in contact with each other.

Abstract: A shoe wedge includes a support structure. The support structure includes two longitudinally extending wall portions that are biased towards one another such that the wall portions define a channel extending between the wall portions and an opening that extends from an upper surface of the support structure to a lower surface of the support structure. The opening has a larger cross sectional area at the upper surface than at the lower surface. The shoe wedge further includes a body portion that extends from the support structure. The body portion is configured with a surface that substantially conforms to a portion of a sole of a shoe.

Abstract: A removable heel assembly, a shoe having a removable shoe assembly and kit containing a shoe body having a heel base and a plurality a assorted removable and interchangeable heels. The heel assembly includes the heel base and a removable and interchangeable heel. The removability relies upon at least one tapered groove ending in a dimple. The heel utilizes a locking connector which contains components which fit within a cavity within the heel base and which locks in place upon engagement thereof when the components engage the at least one tapered, groove and dimple.

Abstract: Disclosed herein is a removable wedge heel for high heel shoes, the removable wedge heel including: an upper slanted surface corresponding to a slanted bottom part of the high heel shoes; a bottom surface intersecting with the upper slanted surface so as to contact a ground; and a heel insertion hole formed toward the bottom surface from an upper portion of the upper bottom surface and closely inserted into a heel of the high heel shoes.

Abstract: A shoe sole and heel assembly includes a sole, an interchangeable heel removably connected with the sole, and at least one locking device for fixing the heel to the sole. The sole includes a wall extending from the heel area of the lower surface of the sole to define a cavity. The inner surface of the wall contains a channel. The heel includes a track extending from the side and rear portions of the heel. The heel is arranged adjacent to the sole with the heel track entering the sole channel. As the heel is displaced rearwardly, the track enters the channel of the sole and prevents vertical and lateral movement of the heel relative to the sole. A latch on the lower surface of the sole engages a notch on the upper surface of the heel to prevent longitudinal displacement of the heel. The sole and heel contain aligned threaded openings for receiving screws to secure the heel to the sole.

Abstract: A high-heeled shoe is configured to utilize exchangeable high-heels. A biased, pivoting latch is formed into the sole of the shoe at the heel portion of the sole. A heel stem or support is fixedly attached to the shoe and extends from the sole and about the pivoting latch, terminating in a tip. The stem has a length at least approximately equal to a desired length of the high-heel. An exchangeable high-heel is characterized by a generally hollow body having a resilient stem holder therein configured to releasably receive and hold the heel stem. A reinforcement is provided at a rear of the exchangeable high-heel that extends from a top to approximately a bottom of the exchangeable high-heel and carries a catch proximate the top thereof. The latch includes a flange that engages the catch while the latch is normally biased.

Abstract: A shoe is described having a removable heel, removable platform, and in some embodiments one or more removable straps. The shoes of the present invention provide for flexibility in design with the same sole by allowing for replacement of one type of heel with another and in some shoes replacement of the strap or straps by alternate styles or colors of straps. The replaceability or modularity of the heel and straps allows for compact storage as well, which is desirable during travel. The removeability of the platform enables the shoe to adjust to different heights. Additionally, some embodiments have one or more hinges formed in the sole to allow the shoe to collapse to an even smaller size for storage or travel.

Abstract: Device for the replacement of the removable heel provided with pulling engagement devices in a shoe with removable heel including, associated to the heel-holding sole, a first engagement plate with hooking seats provided with guide slot and guide opening for the engagement of the head of a pulling pin as well as of a first engagement wall and a second engagement wall among which the guide opening is arranged, being the first engagement plate provided with an engagement pin and at least one guide seat, being a second engagement plate joined to the upper part of the removable heel and equipped with pulling pins, provided with head and spring, being the second engagement plate, for the association to the first engagement plate, provided with at least one small peg, through seats and through opening.

Abstract: In one embodiment of the invention, heel changer apparatus includes: a shoe including a shoe hole; a locking mechanism configured to removably couple a first heel to the shoe, wherein the locking mechanism includes a connector bolt; wherein the first heel includes a first connector slot; wherein the connector bolt is configured to be removably inserted into the shoe hole and into the first connector slot; and wherein the connector bolt, the shoe hole, and the first connector slot are configured to be the locking mechanism that removably couples the first heel to the shoe.

Abstract: A kit containing a shoe body having a heel base and a plurality of assorted removable and interchangeable heels. The heel assembly includes the heel base and a removable and interchangeable heel. The removability relies upon at east two curved, tapered grooves ending in a dimple. The heel utilizes a locking connector which contains components which fit within a cavity within the heel base and which locks in place upon rotation thereof when the components engage the curved, tapered, grooves and dimple.

Abstract: A shoe and heel system for women's shoes that increases user comfort by combining the characteristics of the heel structure of currently manufactured shoes without heels, with platform and wedge heels so as to allow to changeover. This allows the shoe to be worn without heels or alternatively with a platform or wedge heel.

Abstract: One embodiment of a housing unit (12) containing a spring-loaded button plate (14), which slides to the rear of the unit (12) creating a dual chamber opening (34). The heelpiece (20) has a dual pronged appendage (16) at its top flat surface. When the heelpiece appendage (20) is nudged into the bottom of the unit (12), the partially open chambers are coaxed fully open, allowing full insertion of the heelpiece (20) into said unit (12). The heelpiece (20) is locked in place for ready wear. The heelpiece (20) is removed from said unit (12) by pushing the release button (18). This action slides the button plate (14) to the rear of the unit (12) opening the dual chambers (34) for quick removal of the heelpiece (20).

Abstract: A removable heel assembly, a shoe having a removable shoe assembly and kit containing a shoe body having a heel base and a plurality a assorted removable and interchangeable heels. The heel assembly includes the heel base and a removable and interchangeable heel. The removability relies upon at least one tapered groove ending in a dimple. The heel utilizes a locking connector which contains components which fit within a cavity within the heel base and which locks in place upon engagement thereof when the components engage the at least one tapered, groove and dimple.

Abstract: A removable heel assembly, a shoe having a removable shoe assembly and kit containing a shoe body having a heel base and a plurality a assorted removable and interchangeable heels. The heel assembly includes the heel base and a removable and interchangeable heel. The removability relies upon at east two curved, tapered grooves ending in a dimple. The heel utilizes a locking connector which contains components which fit within a cavity within the heel base and which locks in place upon rotation thereof when the components engage the curved, tapered, grooves and dimple.

Abstract: A replaceable structure for footwear includes an outsole, a plurality of replaceable footwear bodies and a heel. People can alternate different kinds of replaceable footwear bodies for different situations, such as high heels for work, sneakers for exercises and slippers for indoors. In addition, the zipper structure makes people more convenient to alternate different replaceable footwear bodies for different activities.

Abstract: This invention generally relates to a shoe where an orthopedic adjustment is integrated into the construction of the shoe itself. The invention entails adjusting one or more of the soles or other construction features of the shoe in order to accommodate a medical condition or treatment regimen. For instance, in abnormalities of the knee joint, there is a need to redistribute the weight of the body from an afflicted symptomatic compartment of the knee to an un-afflicted and asymptomatic, or lesser effected and less symptomatic compartment so as to relieve the pain and stress at the most afflicted and most symptomatic compartment. The present invention achieves this by pitching the sole or heel, or both, of a shoe, where the pitching region depends on the portion of the knee that is afflicted, and the angle is chosen to counter and redistribute the weight of the body accordingly.

Abstract: A removable heel assembly, a shoe having a removable shoe assembly and kit containing a shoe body having a heel base and a plurality a assorted removable and interchangeable heels. The heel assembly includes the heel base and a removable and interchangeable heel. The removability relies upon at east two curved, tapered grooves ending in a dimple. The heel utilizes a locking connector which contains components which fit within a cavity within the heel base and which locks in place upon rotation thereof when the components engage the curved, tapered, grooves and dimple.

Abstract: A shoe with a detachable heel includes: a heel post; a heel cladding including an aperture shaped to receive the heel post; and an attachment mechanism secured to the heel cladding, the attachment mechanism including seated within the heel cladding wherein the attachment mechanism includes a button biased towards first position in which the attachment mechanism secures the heel post within the heel cladding and when a force is applied to overcome the bias towards the first position the button translates approximately perpendicular to the heel post to place the attachment mechanism in a second position wherein the heel post is released from within the heel cladding.

Abstract: A shoe has a sole with a toe, heel and arch. A two part heel has a low heel block attached to the sole heel and includes a slot therein. A high heel extension is attached to the low heel block through a support beam having a substantially rectangular cross-section capable of limited axial and pivotal movement. The fit between the beam and the slot prevents rotational movement of the high heel about its axis. The high heel extension can be pivoted between a first position where it underlies the low heel block and a second position where it lies beneath the sole arch. The bottom of the low heel block has a heel lift extending downwardly engaging the ground when the high heel is stowed. This low heel lift is enclosed by a beveled edge at the top of the high heel piece when it is vertical.

Abstract: A sports shoe includes an instep and a rigid outer sole, the sole having a front portion including a first plurality of studs, a central portion, and a rear portion including a second plurality of studs. The rear portion includes a thickened portion with a flat outer surface on which the second plurality of studs is located, the thickened portion raising the rear portion relative to the front portion; the central portion includes an inwardly curved outer profile.

Abstract: An adjustable heel support member includes a base portion and an extended portion. The extended portion comprises a lateral portion, a medial portion and a rearward portion. The heel support member further includes a fastening member that can be used to adjust the lateral portion, the medial portion and the rearward portion to resize the heel support member. In some cases, the fastening member may be an elastic ring.

Abstract: Disclose embodiments include shoes with interchangeable heels permitting a plurality of heel heights and styles, addressing the need for aesthetic appeal, ease of use, comfort, simplicity of design, and sturdiness. More particularly, disclose embodiments include a modifiable shoe heel consisting of a fixed heel part and an interchangeable heel part removably attachable by a system of magnets.

Abstract: A piece of footwear has a sole and a heel mount on the sole suitable for mounting and displaying one of a plurality of interchangeable collectible heels. Collectible heels may be mounted to the heel mount. Each of the collectible heels adorned with collectible markings, such as the name of an athlete, the emblem of a sports team, a real or fictitious character, a national flag, or collegiate marking or other marks, drawings designs or the like suitable, for collecting. Optionally, multiple heels may be mounted on a display board, and thus housed and display together.

Abstract: An apparatus for converting a shoe into a high heeled type of shoe or a medium high heeled type of shoe or a low heeled type of shoe or a type of shoe that does not include an additional heel to extend the thickness of the sole includes a heel that is detachably-attachable with respect to the pair of shoes. A bayonet mount is used to secure a detachable heel to each of the pair of shoes. A mechanical latch that includes a release member prevents accidental release and loosening of the heel. Additional pair of heels that include the bayonet mount are used when a different height, color, or appearance is desired. If desired, the shoes can be used without heels.

Abstract: An article of footwear includes a group of interchangeable heels. Each heel in the group may be removably associated with the article of footwear. A finger-operable locking mechanism prevents a heel that has been secured to the article of footwear from unintentionally moving toward a toe region. Similarly, a tab positioned at the rear of the article of footwear inhibits a heel that has been secured to the article of footwear from unintentionally moving away from the toe region.

Abstract: A shoe with a removable and interchangeable heel includes a first fixed heel disposed on a heel bottom portion of the shoe. The fixed heel includes a first fastener disposed therein. A second removable and interchangeable heel has a cooperating second fastener disposed therein that is engageable with the first fastener to secure the removable heel to the fixed heel, thereby increasing the effective height of the heel of the shoe.

Abstract: A shoe with replaceable shoe cartridges includes a shoe frame having a forefoot portion, a middle portion extending from the forefoot portion and a heel portion extending from the middle portion; a sole provided on the shoe frame; a forefoot sole cartridge removably engaging the sole at the forefoot portion of the shoe frame; and a heel sole cartridge removably engaging the sole at the heel portion of the shoe frame.

Abstract: A removable shoe heel assembly that allows removal of a woman's shoe or boot heel, preferably a circular shaped housing unit configured to the underside of a woman's shoe or boot shank having a gravity lock to prevent movement when the removable shoe heel is attached. The gravity lock settles into a first furrow disposed in the housing unit and falls into a second furrow disposed in the removable shoe heel when turned upright, in a vertical position, both parts having a connecting means and a receiving means, respectively. By turning the woman's shoe or boot upside down the gravity lock falls into the first furrow area thereby making removal and reattachment of the removable shoe heel possible.

Abstract: A shoe is provided herewith that includes a heel having a centerline and cutout for a heel wear insert recessed into the heel; and a heel wear insert removably attached to the heel in the cutout for the heel wear insert. The heel wear insert has at least three curved sides around a perimeter of the heel wear insert. Each curve of the three sides of the heel wear insert is identical to the curve of the other of the sides of the heel wear insert, which allows the heel wear insert to be turned from a first position that provides a first wear edge, to a second position that provides a second wear edge, and third position that provides a third wear edge.

Abstract: A brace for providing therapeutic pressure to a person's or animal's body part is provided together with a venting device for use with a cast or brace. The brace has a rigid exterior shell which is perforated over a substantial portion of its surface. An interior resilient liner is arranged in the shell and this liner is also perforated. At least a portion of the liner has two inner and outer layers of flexible material and spacer members connecting these layers and forming air passageways. At least the inner layer is porous. The venting device can have two half sections which, when combined together, enclose a body part. Each half section is preformed to closely fit around a curved side of the body part and has spaced-apart inner and outer layers of flexible, material with at least the inner layer being porous. Again, spacer members are arranged between and connect these layers and form air passageways.

Abstract: The present invention provides the illustrative embodiments of coupling and decoupling mechanism directed to a lady's shoe with quick heel replacement of various heights so that the same shoe is useable for various needs and occasions. The various heel heights coupling and decoupling mechanical mechanisms include a drop arm and latch, a latch spring, and a push button mechanism. The construction material of the heel replacement fixture includes stainless steel, tempered aluminum alloy, or a durable polymer or a light weight composite material.

Abstract: Footwear comprising a foot-fitting portion with a rear portion (1a), a base (2) fitted under the rear portion of the foot-fitting portion, a heel (3) that is releasably fastened to the base (2) by close-fitting assembly means (4, 16, 2a, 3a), and means (5, 7, 17) for automatic locking and manual unlocking of said assembly means, wherein the base (2) is a thin plate of plastics material having at least three tapped metal inserts (nuts) (11, 12) for receiving three fastener screws (14, 15) for fastening the base (2) under the rear portion (1a) of the foot-fitting portion of the footwear.