US20150089833A1 - Shoe sole and interchangeable heel - Google Patents
Shoe sole and interchangeable heel Download PDFInfo
- Publication number
- US20150089833A1 US20150089833A1 US14/043,231 US201314043231A US2015089833A1 US 20150089833 A1 US20150089833 A1 US 20150089833A1 US 201314043231 A US201314043231 A US 201314043231A US 2015089833 A1 US2015089833 A1 US 2015089833A1
- Authority
- US
- United States
- Prior art keywords
- heel
- sole
- shoe sole
- shoe
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/37—Sole and heel units
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
- A43B21/025—Metal
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
- A43B21/03—Heels; Top-pieces or top-lifts characterised by the material wood
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
- A43B21/04—Heels; Top-pieces or top-lifts characterised by the material leather
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
- A43B21/06—Heels; Top-pieces or top-lifts characterised by the material rubber
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
- A43B21/20—Heels; Top-pieces or top-lifts characterised by the material plastics
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
- A43B21/42—Heels with replaceable or adjustable parts, e.g. top lift
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/12—Dancing shoes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
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.
Description
- In tap dancing, a dancer uses a series of percussive foot movements and placements to create sound. The sounds generated by the dancer depend on several variables including technique, weight placed on the foot, force exerted through the foot, type of shoe used, material of taps used, and other variables relating to the shoe heel, including but not limited to heel height and density. All of these variables can be modified in some way, technique can be learned, and weight distribution or force can be controlled by the dancer. The greater problem to solve lies in the shoes. While there are many brands and styles of tap shoes, dancers either have to buy multiple pairs of tap shoes in order to produce a variety of sounds for performances, or they have to physically alter the shoes to create the desired weight to sound ratio. Neither of these options allow for the dancer to have one pair of shoes that can be quickly and safely altered as desired.
- The present invention relates to a replaceable heel and to a three part shoe sole and heel assembly which allows a dancer to have a single shoe and one or more interchangeable heels without changing the dance technique or heel height or risking injury to the dancer. Such interchangeable heels can have variations that affect the percussive quality, the appearance of a shoe, or both. Variations can include heel material or visual or auditory components that would be desirable to a tap dancer. Further, by utilizing a three part sole and heel assembly, an interchangeable heel is secured in such a way that is it stable and does not negatively impact a dancer's balance, body mechanics, technique, or performance.
- Existing taps do not offer dancers the option of sound and weight modification to adjust or enhance a performance. Current industry methods for adding weight to the heel of a tap shoe (to adjust the percussive quality), as well as aftermarket modifications made by a dancer, may produce both an immediate safety risk as well as long term stress related injury. The current industry preferred method of adding additional weight to a tap shoe heel is to layer leather to achieve greater density and weight. While this method is satisfactory, it produces two potentially undesirable problems. First, additional layers of leather add height to the shoe, and second, layered heel leather can delaminate.
- By changing the height of the heel to the extent necessary to achieve the desired sound, a dancer is forced into postures that are potentially dangerous. To compensate for the additional height, improper technique and body mechanics are used by a dancer, impacting both a dancer's balance and executed performance which over extended periods can lead to injury.
- Delamination of the shoe heel is a form of structural breakdown which occurs when the many glued, or otherwise secured layers of a heel pull apart and begin to separate at the layered attachment points. This creates another safety issue for a dancer as the shoe heel can literally pull apart while dancing. Additionally, the layers of secured leather can add up to four pounds of weight to the heel, leading to stress related injuries from improper execution of dancing techniques.
- Alternatively, the percussive effect of a tap shoe can be altered using home-made, aftermarket methods to increase the weight of the shoe heel. To achieve this, weight is physically added to dance shoes. Over time and with use, such alterations threaten the structural integrity of the shoe, leading to premature breakdown of the shoe. Further, potential injury can result as a dancer must adjust the technique used by overcompensating for the additional weight, and negatively impacting the aesthetic of the performance. Still further, if the added weight shifts during execution of dancing technique, improper landing or completion of the technique can result in injury.
- The present invention was developed in order to overcome these and other drawbacks of prior dance shoes and more particularly tap shoes by providing a three part sole and interchangeable heel assembly that includes redundancy in the event of failure of any the component parts.
- Accordingly, it is the primary object of the invention to provide a three part dance shoe sole and heel assembly which allows a dancer to interchange a shoe heel, thereby allowing the dancer to specifically control for impact and vibration without changing dance technique, changing heel height, or risking injury to the dancer.
- The assembly includes a sole having upper and lower surfaces, toe and heel areas and a wall extending about the perimeter of the heel area to define a cavity in the heel area. The assembly also includes a heel having upper and lower surfaces, side walls and anterior and posterior portions. To connect the assembly, a track which projects outwardly from the upper posterior portion of the heel engages a channel arranged on the inner surface of the cavity wall. Once the heel track is fully arranged within the sole channel, at least one locking device fixes the heel to the sole. Locking devices include a latch and notch assembly on the sole and heel and one or more screws. With the heel track arranged in the sole channel, the latch and notch assembly and the crew fasteners then prevent the heel from moving relative to the sole, thereby reducing the likelihood of injury to a dancer due to incorrect execution of dancing technique or structural failure of the shoe.
- The invention also relates to an interchangeable heel. By substituting different heels, a dancer uses a single pair of shoes, but alters the percussive or aesthetic characteristics of the shoe heel.
- Other objects and advantages of the invention will become apparent from a study of the following specification when viewed in the light of the accompanying drawing, in which:
-
FIGS. 1 and 2 are top and bottom perspective views, respectively, of the shoe sole according to the invention; -
FIGS. 3 , 4, and 5 are top, bottom, and side plan views, respectively, of the shoe sole ofFIG. 1 ; -
FIGS. 6 and 7 are front and rear plan views, respectively, of the shoe sole; -
FIG. 8 is a sectional view of the shoe sole heal area taken along line 8-8 ofFIG. 3 ; -
FIG. 9 is a sectional view of the shoe sole toe area taken along line 9-9 ofFIG. 4 ; -
FIG. 10 is a sectional view of the shoe sole taken along line 10-10 ofFIG. 7 ; and -
FIGS. 11 and 12 are exploded top and bottom perspective views, respectively, of the shoe heel and tap according to the invention. - With reference to
FIGS. 1-10 , thedance shoe sole 2 according to the invention will be described. The sole includes anupper surface 4 for receiving an upper (not shown) of the dance shoe. The sole 2 is constructed of any suitable material, including but not limited to leather, suede, rubber, thermoplastic polyurethane, synthetic plastics, or polyurethane. - As shown in
FIGS. 2 and 4 , thelower surface 6 of thesole 2 has atoe area 8 with which is connected a percussive tap (not shown) and aheel area 12 including awall 14 extending from thelower surface 6 about the perimeter of theheel area 12 to define acavity 16 in the heel area. Theheel area 12 also includes one or more locking mechanisms for removably connecting a heel with the sole. As will be developed in greater detail below, these include achannel 18 arranged in the inner surface of thewall 14, alatch assembly 20 and one or more threadedopenings 22 for receiving one or more screws (not shown). - Referring now to
FIGS. 11 and 12 , theremovable heel 24 will now be described. Theheel 24 may be solid or hollow. According to a preferred embodiment, the heel is hollow. The heel may be constructed of any suitable material including but not limited to aluminum or any other metal, wood, thermoplastic polyurethane, acrylic, leather, suede, rubber, plexi-glass, synthetic plastics, polyurethane, and ethylene vinyl acetate. The heel is fabricated by molding, machining, sculpting, stacking, carving, or rapid proto-typing or any other known method. - The
heel 24 has anupper surface 26,side walls 28 and anterior 30 andposterior portions 32. Atrack 34 projects outwardly from the upperposterior portion 32 of the heel. At the upperanterior portion 30 of the heel, anotch 36 is provided which engages thelatch 20 of the sole as will be developed below. The heel also contains a plurality ofopenings 38. As best shown inFIG. 12 , atap 40 is connected with a bottom surface of the heel viascrews 42 which pass throughopenings 44 in the tap and into threadedopenings 46 in the heel. - In order to connect the
heel 24 with the sole 2, theposterior position 32 of the heel is inserted into thecavity 16 in theheel area 12 of the sole. More particularly, theheel track 34 engages thesole channel 18 to align and connect the heel with the sole. The shoe sole and heel combination provides a center balanced medial to lateral fit and the channel and track connection prevents the heel from shifting vertically or laterally with respect to the sole. - When the heel track is completely arranged in the sole channel in the heel area of the sole, the
latch 20 of the sole engages thenotch 36 of the heel. Thelatch 20 is preferably formed of a rigid material such as metal or synthetic plastic which may be deflected from its natural position. Accordingly, as the heel is connected with the sole, the notch deflects the latch until the notch has passed by the latch which then returns to its natural position. The engagement of thelatch 20 and notch 36 prevents longitudinal movement of the heel relative to the sole. - With the heel locked in place, the openings in the
heel 38 are aligned with the threadedopenings 22 of the sole. To complete the three part assembly of theheel 24 and sole 2, screws 48 are inserted into the sole openings from theupper surface 4 of the sole and into the heel openings and tightened to secure the heel to the sole. The screw connection secures the heel to the sole and prevents any displacement of the heel relative to the sole. In order to disassemble the heel from the sole, the connection process is reversed. Thescrews 48 are first withdrawn from the heel and sole assembly. Next, thelatch 20 is depressed so that it is released from thenotch 30 in the heel. Then the heel is slid relative to the sole until thetrack 34 on the heel completely exits thechannel 18 in the sole. The heel is thus disconnected from the sole. This allows a different heel to be substituted, thereby providing the shoe with different percussive or aesthetic characteristics. - While the invention has been described with reference to a tap shoe, it has applicability to other types of dance shoes, such as ballroom or character shoes.
- While the preferred forms and embodiments have been illustrated and described, it will become apparent to those of ordinary skill in the art that various changes and modifications may be made without deviating from the inventive concepts set forth above.
Claims (13)
1. A shoe sole and heel assembly, comprising
(a) a sole including an upper surface, a lower surface, a toe area, a heel area, and a wall extending from said lower surface about the perimeter of said heel area to define a cavity in said heel area;
(b) a heel for connection with said sole, said heel having an upper surface, a lower surface, and side walls; and
(c) a connection assembly for removably connecting said heel with said sole, said connection assembly including
i. a projection extending from one of an inner surface of said sole cavity wall or an external surface of said heel;
ii. a channel arranged in one of an external surface of said heel or an inner surface of said cavity wall for receiving said track when said heel is connected with said sole; and
iii. at least one locking device for fixing said heel to said sole.
2. A shoe sole and heel assembly as defined in claim 1 , wherein said locking device includes
(a) a latch connected with said lower surface of said sole; and
(b) said heel upper surface including a notch for receiving said latch whereby when said latch engages said notch, said heel is prevented from moving relative to said sole.
3. A shoe sole and heel assembly as defined in claim 1 , wherein said locking device further comprises at least one screw passing through aligned threaded openings in said heel and said sole for further fixing said heel with said sole.
4. A shoe sole and heel assembly as defined in claim 1 , wherein said locking device includes
(a) a latch connected with said lower surface of said sole;
(b) said heel upper surface including a notch for receiving said latch whereby when said latch engages said notch, said heel is prevented from moving relative to said sole; and
(c) at least one screw passing through aligned threaded openings in said heel and said sole for further fixing said heel with said sole.
5. A shoe sole and heel assembly as defined in claim 1 , and further comprising a percussive tap connected with a lower surface of said heel.
6. A shoe sole and heel assembly as defined in claim 1 , wherein said sole comprises a split sole including
(a) a toe portion;
(b) a heel portion; and
(c) at least one support band connecting said sole and heel portions.
7. A shoe sole and heel assembly as defined in claim 1 , wherein said heel is hollow.
8. A heel for removable connection with a shoe sole, said heel comprising
(a) an upper surface, a lower surface and side walls;
(b) a connection assembly for removably connecting said heel with the shoe sole, said connection assembly includes
i. a projection extending from an external surface of said heel, whereby said projection engages with a channel arranged on a shoe sole; and
ii. at least one locking device for fixing said heel to a shoe sole.
9. A heel as defined in claim 8 , wherein said locking device includes a notch for receiving a latch arranged on a shoe sole.
10. A heel as defined in claim 8 , wherein said locking device includes at least one screw passing through aligned threaded openings in said heel and a shoe sole.
11. A heel as defined in claim 8 , wherein said locking device includes
(a) a notch for receiving a latch arranged on a shoe sole; and
(b) at least one screw passing through aligned threaded openings in said heel and a shoe sole
12. A heel as defined in claim 8 , wherein said heel is hollow.
13. A heel as defined in claim 8 , and further comprising a percussive tap connected with a lower surface of said heel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/043,231 US20150089833A1 (en) | 2013-10-01 | 2013-10-01 | Shoe sole and interchangeable heel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/043,231 US20150089833A1 (en) | 2013-10-01 | 2013-10-01 | Shoe sole and interchangeable heel |
Publications (1)
Publication Number | Publication Date |
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US20150089833A1 true US20150089833A1 (en) | 2015-04-02 |
Family
ID=52738695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/043,231 Abandoned US20150089833A1 (en) | 2013-10-01 | 2013-10-01 | Shoe sole and interchangeable heel |
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US (1) | US20150089833A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD744732S1 (en) * | 2013-12-05 | 2015-12-08 | Ballet Makers, Inc. | Tap shoe outsole and heel |
USD787167S1 (en) * | 2013-04-10 | 2017-05-23 | Frampton E. Ellis | Footwear sole |
Citations (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US26712A (en) * | 1860-01-03 | Heel fob | ||
US102961A (en) * | 1870-05-10 | Improved boot and shoe-heel | ||
US242727A (en) * | 1881-06-07 | Heel for boots and shoes | ||
US348472A (en) * | 1886-08-31 | Heel for boots and shoes | ||
US930990A (en) * | 1908-01-06 | 1909-08-10 | Karl C Rogers | Boot or shoe heel. |
US1103610A (en) * | 1913-09-26 | 1914-07-14 | James J Mulconroy | Metallic heel for boots or shoes. |
US1289445A (en) * | 1917-11-05 | 1918-12-31 | Vito B Greco | Heel for boots and shoes. |
US1339438A (en) * | 1919-11-24 | 1920-05-11 | Diuk Phillip | Shoe-heel |
US1354356A (en) * | 1920-03-08 | 1920-09-28 | Vomela Anton | Heel-fastening means |
US1355921A (en) * | 1920-03-13 | 1920-10-19 | Shepelevich Samuel | Renewable heel |
US1566350A (en) * | 1924-10-27 | 1925-12-22 | Smith Aurelius | Readjustable cushion shoe heel |
US1645187A (en) * | 1926-06-28 | 1927-10-11 | Alfred F Ducheneau | Shoe heel |
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US1857475A (en) * | 1929-10-14 | 1932-05-10 | United Wood Heel Company | Means for attaching heels to shoes |
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US20080034613A1 (en) * | 2004-10-08 | 2008-02-14 | Pointe Noir Pty Ltd. | Dance Footwear |
US20110197474A1 (en) * | 2010-02-16 | 2011-08-18 | Mahmoud Mohamed K | Lady's shoe with quick heel replacement provisions |
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US20130312285A1 (en) * | 2012-05-26 | 2013-11-28 | Poonam Sharma | Convertible, Removable and Replaceable Heel Transformation Device, Mechanism and Methods |
-
2013
- 2013-10-01 US US14/043,231 patent/US20150089833A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US26712A (en) * | 1860-01-03 | Heel fob | ||
US102961A (en) * | 1870-05-10 | Improved boot and shoe-heel | ||
US242727A (en) * | 1881-06-07 | Heel for boots and shoes | ||
US348472A (en) * | 1886-08-31 | Heel for boots and shoes | ||
US930990A (en) * | 1908-01-06 | 1909-08-10 | Karl C Rogers | Boot or shoe heel. |
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US1354356A (en) * | 1920-03-08 | 1920-09-28 | Vomela Anton | Heel-fastening means |
US1355921A (en) * | 1920-03-13 | 1920-10-19 | Shepelevich Samuel | Renewable heel |
US1566350A (en) * | 1924-10-27 | 1925-12-22 | Smith Aurelius | Readjustable cushion shoe heel |
US1645187A (en) * | 1926-06-28 | 1927-10-11 | Alfred F Ducheneau | Shoe heel |
US1773242A (en) * | 1927-12-10 | 1930-08-19 | Siekacz Antoni | Shoe with interchangeable sole and heel |
US1857475A (en) * | 1929-10-14 | 1932-05-10 | United Wood Heel Company | Means for attaching heels to shoes |
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US3040453A (en) * | 1961-02-06 | 1962-06-26 | Gallardo Juan | Interchangeable heels for shoes |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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USD787167S1 (en) * | 2013-04-10 | 2017-05-23 | Frampton E. Ellis | Footwear sole |
USD744732S1 (en) * | 2013-12-05 | 2015-12-08 | Ballet Makers, Inc. | Tap shoe outsole and heel |
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