US3328900A

US3328900A - Shoe construction with storage compartment

Info

Publication number: US3328900A
Application number: US432571A
Authority: US
Inventors: Dorothea M Weitzner
Original assignee: Individual
Current assignee: Individual
Priority date: 1965-02-15
Filing date: 1965-02-15
Publication date: 1967-07-04
Anticipated expiration: 1984-07-04

Description

July 4, 1967 D. M. wElTzNr-:R 3,328,900

SHOE CONSTRUCTION'WITH STORAGE COMPARTMENT Filed Feb. l5. 1965 7 Sheetsfsheet l INVENTOR BY @we/TM? Y Y 77'RN5 5.

July 4,1967 DMWEITZNER 3,328,900

SHOE CONSTRUCTION WITH STORAGE COMPARTMENT Filed Feb. l5, 1965 7 Sheets-Sheet 2 July 4, 1967 D. M. WEITZNER 3,328,900

SHOE CONSTRUCTION WITH STORAGE CO-MPARTMENT Filed Feb. l5, 1965 7 Sheets-Sheet .Z

BY @Wi i 7 July 4, 1967 D Ml WElTZNER 3,328,900

SHOE CONSTRUCTION WITH STORAGE COMPARTMENT Filed Feb. l5, 1965 7 Sheets-Sheet J 26235 2g INVENTOR 3M 15W pw m oroz/ea /7. L/eL'ZZ/ver n & BY

25g l @M94 a? 4057 1504 425? MW 7TVE July 4, 1967 D, M. WEITZNER 3,328,900

SHOE CONSTRUCTION WITH STORAGE COMPARTMENT Filed Feb. l5, 1965 7 Sheets-Sheet 5 INVENTOR Y sw@ July 4. 1967 D. M. WEITZNER 3,328,900

SHOE CONSTRUCTION WITH STORAGE COMPARTMENT Filed Feb. l5, 1965 7 Sheets-Sheet lllllll/l.

BY MW? Amm/v5 .5.

July 4, 1967 D. M. wElTzNER SHOE CONSTRUCTION WITH STORAGE COMPARTMENT '7 Sheets-Sheet 7 Filed Feb. l5, 1965 BY 1477 VE )'5 United States Patent O 3,328,9il SHUE CONSTRUCTION WITH S'IRA-GE CMPARTMENT Dorothea M. Weitzner, 8 E. 62nd St., New York, N Y. 10021 Filed Feb. 15, 1965, Ser. No. 432,571 2 Claims. (Cl. 36-1) ABSTRACT 0F THE DISCLOSURE A shoe having a compartment in the sole thereof for removably storing a sheath for covering the sole and upper of the shoe and held in covering position by a spring.

This invention relates to the art of shoe construction and more particularly concerns shoes having compartments for storing covers, straps and ornaments.

It is one object of the invention to provide a shoe having a sole with at least one compartment formed therein and cover means comprising a sheath, strap, shoe upper or ornament stored in the compartment and removable therefrom for covering at least part of the shoe.

Another object is to provide a shoe as described, wherein a spring in the compartment is connected to the cover means for holding it in the compartment and for holding the cover means in place on the shoe when removed from the compartment and engaged on the shoe.

A further object is to provide snap fastener members or other attachment means for holding the cover means in place on the shoe.

A further object is to provide a shoe having a plurality of compartments formed in a sole thereof, with diiferent cover means comprising sheaths, straps or shoe uppers stored in the several compartments, the cover means being selectively withdrawable from the compartments and engageable in place over parts of the sole.

Still another object is to provide a shoe as last described, with springv means holding the cover means in the compartments.

Another object is to provide a shoe with a compartment for storing a collapsible cover, sheath, strap or ornament for the shoe.

Another object is to provide a shoe strap with a compartment and a collapsible cover for the shoe stored in the compartment.

Another object is to provide a shoe upper with a compartment and a collapsible sheath or cover for the shoe stored in the compartment.

For further comprehension of the invention, and of the objects and advantages thereof, reference will be had to the following description and accompanying drawings and to the appended claims in which the various novel features of the invention are more particularly set forth.

In the accompanying drawings forming a material part of this disclosure:

FIGURE 1 is a perspective view of a shoe with an associated shoe cover.

FIG. 2 is a sectional View taken on line 2 2 of FIG. l, but with the shoe cover shown stored in a compartment in the sole of the shoe.

FIG. 3 is a horizontal sectional view taken on line 3 3 of FIG. 2, with the shoe cover shown in a folded position and removed from the compartment in the sole.

FIG, 3A is a reduced sectional View similar to FIG. 2, with the shoe cover shown mounted on the shoe.

FIG. 4 is a perspective bottom view of the shoe with shoe cover removed from the compartment in the sole.

FIG. 5 is a perspective bottom view of another shoe embodying the invention.

FIG. 6 is a front end view of the shoe of FIG. 5 with sole panels in an open condition.

FIG. 7 is a bottom perspective view of another shoe with shoe cover removed.

FIG. 7A is a reduced perspective view of the shoe of FIG. 7, with shoe cover mounted on the shoe.

FIG. 8 is a sectional view of another shoe with a compartment in the sole.

FIG. 9 is a perspective bottom view of another shoe with sole partially removed, and shoe cover shown entirely removed from a compartment in the shoe.

FIG. 10 is a sectional View taken 0n line 10-10 of FIG. 9.

FIG. 11 is a lbottom view of another shoe embodying the invention.

FIG. 12 is a side View of the shoe of FIG. 11, with a sole panel in an open condition.

FIG. 13 is a perspective view of the sole panel employed in the shoe of FIGS. l1 and 12.

FIG. 14 is a perspective bottom view of another shoe with open sole panel.

FIG. 15 is a bottom perspective view of another shoe with sole panel shown detached from the shoe.

FIG. 16 is a fragmentary, enlarged sectional View taken on line 16-16 of FIG. 15.

FIG. 17 is a perspective view of a further shoe embodying the invention.

FIG. 18 is a sectional view taken on line 18-18 of FIG. 17.

FIG. 19 is a perspective view of another shoe embody ing the invention.

FIG. 20 is an exploded perspective view of part of the shoe of FIG. 19 with shoe cover shown removed from a compartment in the shoe.

FIG. 2l is a reduced fragmentary perspective View of a shoe embodying another form of the invention.

FIG. 22 is a side view, partially in section of another shoe with shoe cover shown removed from a compartment in the shoe.

FIG. 23 is a side view of another shoe embodying the invention.

FIG. 24 is an enlarged fragmentary side view partially in section, of another shoe.

FIG. 25 is a fragmentary perspective View of the shoe of FIG. 24 with shoe cover removed from a compartment in the shoe.

FIG. -26 is a reduced perspective View of the shoe 0f FIG. 25 with shoe cover Imounted on the shoe.

FIG. 27 is a reduced side view of another shoe with shoe cover removed from a compartment in the shoe.

FIG. 28 is a fragmentary perspective view of another shoe with a sole panel mounted on the shoe.

FIG. 29 is a sectional view taken on line 29-29 of FIG. 28.

FIG. 30 is a perspective view of another shoe according to the invention.

FIG. 3l is a side View partially in section of the shoe of FIG. 30, with shoe covers shown retracted in compartments in the shoe.

FIG. 32 is a sectional view taken on line 32-32 of FIG. 31, with shoe cover shown removed from a compartment in the shoe.

FIG. 33 is a perspective view of the shoe of FIGS. 30- 32 with the shoe cover of FIG. 32 shown mounted on the shoe.

FIG. 34 is a side view of another shoe according ot the invention.

FIG. 35 is a reduced perspective view of the shoe of FIGS. 34, 35 with shoe straps shown mounted in place on the shoe.

FIG. 37 is a perspective view, with parts broken away, of another shoe according to the invention, with compartments in the sole being shown open.

FIG. 38 is a perspective view of the shoe of FIG. 37, with compartment closed.

FIG. 39 is an enlarged cross sectional view taken on line 39-39 of FIG. 38, with shoe cover shown stored in the compartment.

FIG. 40 is a perspective view of the shoe of FIGS. 37- 39 with shoe -cover removed from the compartment and shown mounted on the shoe.

FIG. 41 is a perspective view of another shoe according to the invention, provided with an auxiliary cover shown in an open position.

FIG. 42 is a fragmentary perspective view of the shoe of FIG. 41, with auxiliary cover stored in a compartment in the sole yof the shoe.

FIG. 43 is a perspective view of another shoe embodying another form of the invention.

FIG. 44 is a perspective view of another shoe embodying the invention. Y

FIG. 45 is lan enlarged sectional View taken on line 45-45 of FIG. 44.

FIG. 46 is a side and rear perspective view of the shoe of FIG. 44 with shoe cover partially removed from a compartment in the shoe.

FIG. 47 is a perspective view of the shoe cover of FIG. 46, shown in an open position.

FIG. 48 is a side view of the shoe of FIGS. 44-47, with shoe cover shown in section and mounted on the shoe.

FIG. 49 is a side view of another shoe with compartment in the sole shown open.

FIG. 50 is a rear and side perspective view of a further shoe with Icompartment open and shoe cover shown removed from the compartment.

Referring first to FIGS. 1-4, there is shown a ladys shoe S1 having an upper 100, heel 102 and outer sole 104. The sole has a front at portion 105 and an integral upwardly inclined instep portion 106. In the flat portion 105 is formed a shallow compartment 110 which extends for substantially the full transverse width of the sole. rBhe compartment has a rear opening 112 located at the rear end of the at portion 105 and front end of the instep portion 106. A notch 115 is formed at the upwardly inclined rear end of the sole portion 105 at opening 112. Secured at the forward end of the compartment 110 by a pin 116 is a contracted spring 118; see FIGS. 2, 3, 3A; connected to the rear end of the spring is a short flexible strap 120. Attached to the rear end of the strap is the rear end of a cup-like elastic rubber sheath 125 for enclosing the forward end of the shoe upper and sole portion 105. A button 122 attached to tongue 124 on the sheath engages at notch i 115 when the sheath is folded flat and the spring 118 is retracted in the compartment 110, as shown in FIG. 2. When the sheath is removed from the compartment and unfolded as shown in FIG. l, it can be engaged on the front f the shoe as shown in FIG. 3A to protect the shoe from inclement weather. The spring 118 is then tensioned `and holds the sheath in place on the shoe.

Upon removal of the sheath from the front of the shoe, the sheath can be folded up as shown in FIG. 3 and can then be inserted flat into the shallow compartment 110 where the spring still under tension will hold the sheath in place while button 122 is eng-aged at notch 115.

A mens shoe S2 is shown in FIGS. 5 and 6. This shoe has a sole 104er formed by two panels, 130a, 130b each pivotally secured to an intermediate sole 132 by hinges 134 at opposite lateral edges of sole 132. Snap fastener members 136 at corners of the panels engage with corresponding mating fastener members inside compartment 110'a in the sole 132. The compartment is open at rear ends of the panels 130a, 130b. Inside compartment 110a is a folded sheath 125a connected to a strap 120a which in turn is secured to a retracted spring 118:1.

The panels can be opened at shown in FIG. 6 for re- 4- moving the folded sheath 125e: which can then be engaged on the lfront end of the upper e and sole 104er of the shoe. The panels can then be closed and the strap will extend out of the rear open end of the compartment e while spring 118a is extended and tensioned to hold the sheath on the shoe.

Ladys shoe S3 shown in FIGS. 7 and 7A h-as a flexible extension formed at the rear end lof sole portion 104i). This extension is formed as a pouch with compartment 110]?. The pouch has a tongue 152 at its open free end provided with a snap fastener member 154. This member engages with mating fastener member on the instep portion 106b of the sole 10419. A folded sheath 12531 for enclosing and protecting the forward end of upper 100b and toe end of sole 10419 is carried inthe pouch 150 and can be readily removed from the pouch. The tongue end 152 of the pouch can then be attached to fastener member 155 under the instep portion 106b of the sole as indicated by dotted lines in FIG. 7.

In FIG. 8, ladys shoe S4 is similar to shoe S3. In this shoe, a compartment 110C is formed in the instep portion 106C of the sole. A flexible flap or tongue 152C at the rear end of the compartment has snap fastener member 154C engageable with fastener member 155C. Folded sheath 125C is stored in the compartment 110C and can readily be removed for covering and protecting the forward end of the upper 100 and sole 104C.

Shoe S5 shown in FIGS. 9 and 10 has a ilexible front sole portion 105d attached to intermediate sole portion by snap fastener members 172 disposed around the periphery of sole portion 105d. These members are engageable with snap fastener members 174 disposed around the periphery of compartment 1100? in sole portion 170. Rubber or plastic sheath 1250, for protecting the forward end of upper 10051 and sole 104d is stored in compartment 1100? and can readily be removed by separating the snap fastener members as shown in FIG. 9.

Shoe S6 in FIGS. 11, l2 and 13 has a sole panel 130e pivotally secured to the forward end portion 105e of sole 104e by a transverse hinge 180; see FIG. 13. A snap fastener member 182 on tongue 184 of the panel 130e engages with fastener member 185 on instep portion 106e of the sole. Panel 130e closes compartment 110e -in which is stored folded sheath 125e. A pocket or pouch 186 may be formed on the upper side of panel 105e in which sheath 125e can be placed.

Shoe S7 shown in FIG. 14 has panel V130;c pivotally secured to front sole portion 105i of sole 1041 by a lateral hinge 190. Snap fastener members 192 around the periphery of panel 130i engage with fastener members 194 on sole portion 1051. Folded sheath 125]c is stored in the .comparlmn 1101 dened in the sole portion 105i and closed by panel 130].

In FIGS. 15 and 16 is shown shoe S8 having la removable panel 130g. The panel has a compartment 110g formed therein in which is stored folded sheath 125g. Snap fastener studs 200 are secured around the front portion 105g of sole 104g. Female snap fastener members 202 around the periphery of panel 130g can engage with studs 200 in either of two positions. In one position the compartment 110g is uppermost and the sheath is concealed in the compartment. In the reversed position the compartment faces downwardly. The sheath can then be unfolded and turned over around the toe end of the upper 100g. The sole part 125g of the sheath is secured by a suitable cement to panel 130g at the inner side of the compartment. The expanded sheath effectively covers and protects the front end of lthe shoe.

FIGS. 17 and 18 show 'a shoe S9 which is provided with a front panel 130k to which is attached sole portion 206 of a shoe cover 125k. A drawstring 204 enables the cover to be drawn up and around the upper 10011 of the shoe. The cover 125k is reversible so that the panel 130k can be located under the sole portion 206 `of the cover with sole portion 206 abutting sole portion 105k of sole 104k.

The opposite sides of the cover 125k may have different colors so that different decorative effects are provided by reversing the cover 125k on the shoe.

Shoe S shown in FIGS. 19 and 20 have a flat pouch 210 secured to the upper 100i of the shoe. Pouch 210 has a flap 212 provided with a snap fastener member 214 which engages with fastener member 215 on the pouch. On the cover is an ornament 216. A folded shea-th 1251' can be stored in the compartment 110i defined by lthe pouch. The sheath can be unfolded and placed over the front of upper 1001' and sole 1041' of the shoe to protect the same.

Shoe S11 shown in FIG. 21 has a cylindrical case 220 in the form of an ornament on the upper 100j. In the case is a compartment 110]` which receives rolled up sheath 125i. The sheath can be removed from the case and unrolled. It can then be engaged on the shoe for covering and protecting the same.

Shoe S12 shown in FIG. 22 has a compartment 110k formed in the sole 104k of the shoe. The compartment is open at the front end of the sole. A cord 118k is attached to a flexible sheath 125k. The rear end of the cord is engaged on a shaft 222 in compartment 225 in the heel 102k of the shoe. The cord passes through compartment 110k which communicates with compartment 225 in the heel. A knurled knob 226 on shaft 222 enables the shaft to be turned for rolling the cord up on the shaft. One end portion of the knob extends outwardly through a slot 227 in the heel. When the cord is rolled up on the shaft, the sheath 125k is stored in compartment 110k. The rolled or beaded free end 228 of the sheath can be manually grasped for pulling the sheath out of the compartment 110k.

Shoe S13 shown in FIG. 23, has a panel 130m secured to the front portion 105m of sole 104m by a transverse hinge 230. A folded sheathI 125m is stored in compartment 110m: in the sole portion 105m. A snap fastener member 232 at the front end of panel 130m engages with a mating member 234 in the front end of the compartment 110m'.

Shoe S14 shown in FIGS. 24-26 has a flexible sheath 12511 stored in compartment 11011 formed in front sole portion 10511 of sole 10411. A spring 11811 is secured to the sheath and holds it in the compartment which is open at the front end of the sole 10411. A bead 235 on t-he front, closed end of the sheath serves as a stop member and as means for grasping the sheath to pull it out of the com,- partment against tension in spring 11811. After the sheath is pulled out it can be engaged on the upper 10011, sole por-tion 10511, and heel 10211 of the shoe. The spring will hold the sheath in place on the shoe.

Shoe S15 shown in FIG. 27 has flexible sheath 12511 with a tongue 236 held at one end by a spring 118p and at its other end by a spring 11911 in compartment 110p formed in the front sole portion 105p and instep portion 106p of the sole 10411. The open end 112p of the compartment is at the upper end of the instep portion 10611 just forward of heel 102p. The tensioned spring will hold the sheath in place covering the front of the shoe.

Shoe S16 in FIGS. 28 and 29 has a tapered sole plate or panel 130q provided with anges 238 which engage around lateral edges of sole portion 10511 of sole 10411. A compartment 110q is defined between Ithe panel and sole portion 105g in which folded shoe cover or sheath 12511 can be stored. The panel can readily be removed by pulling it forwardly as shown in FIG. 28 for exposing the sheath. The sheath can then be unfolded and mounted on the front end of the shoe for 4protecting the same. The sheath will cover and enclose the front end of upper 10011 and the panel 130g.

Shoe S17 shown in FIGS 30-33 has two compartments 1101A and 1101" located one above the other in front sole portion 105r of sole 104r. A strap 240 extends across the instep of the shoe from one side of instep portion 1061' to the other. On strap 240 are buttons 242. The buttons are spaced apart. Buttons 242' are on edges of sole 104r. On these buttons can engage button holes 243 formed in ends of a strap assembly 1251 which forms an ornamental upper for the shoe. The strap assembly fits into lower compartment 1101l where it is held retracted by spring 1181" as shown in FIG. 31. In the upper compartment 125r is stored a flexible cover or sheath 125r which can be pulled out as shown in FIG. 32 against tension in spring 1181' for engagement of button holes 243 on

buttons

242 and 242. Spring 1181- will hold the cover 1251' taut over the front of the shoe. The user can selectively change the appearance of the upper of the shoe by withdrawing either the strap assembly 1251 or the cover 1251' at will.

Shoe S18 shown in FIGS. 34-36 has a plurality of transverse compartments 110s formed in sole portion 105s and instep portions 106s of sole 104s. Snap fastener members 245 are provided on ends of straps 125s which are held retracted in the compartments by springs 118s. When the free ends of the straps are retracted from open ends 112s of the compartments at one lateral edge of the sole the straps can be extended over the shoe and the fastener members 245 can be engaged with fastener members 246 at the other lateral edge of the sole 104s. The springs will hold the extended straps taut over the foot of the wearer.

Shoe S19 shown in FIGS. 37-40 has a panel 1301 attached to the bottom of front sole portion 1051. Integral with lateral edges of the panel are accordion pleats 250. Tabs 251 at lateral edges of panel 1301 carry snap fastener members 254 which engage with snap fastener members 256 at lateral edges of sole portion 1051. The shoe has an instep cross strap 258. The shoe can be worn as a sandal with cord 259 engaging between toes of the wearers foot while pin 260- overlays the toes. The panels 1301, 1301 and pleats 250 define an elastic cover which can be opened by disengaging the snap fastener members, reversed and turned over the front of the sole 1051 to form an ornamental upper for the shoe as shown in FIG. 40.

Shoe S20 shown in FIGS. 4l and 42 has a plain upper 10011 on the front sole portion 10511 of sole 10411. Stored in compartment 11011 in the sole portion 10511 is an ornamental cover 12511 which can be retracted from an opening in one lateral edge of the sole. The free edge of the cover has snapfastener members 262 which can be engaged on snap fastener members 264 on the other lateral edge of the sole so that cover 12511 covers the plain upper 10011, When not needed cover 12511 can be retracted into compartment 11011.

Shoe S21 shown in FIG. 43 has lateral straps 125V which can be retracted into lateral compartments 110V in the sole portion 105v. Snap fastener members 265 on ends of the straps can be engaged with snap fastener members 266 on ornamental cover portion 125V. When the straps are retracted and cover portion 125V is removed, the shoe can be worn like a sandal as explained in connection with shoe S19. Shoe S21 has a cross strap 258, cord 259 and pin 260 like corresponding parts of shoe S19.

Shoe S22 shown in FIGS. 44-48 has a cross strap 258W connected to opposite edges of sole 104W. The cross strap is formed with a compartment W having an opening 112W extending lengthwise of the strap on its inner or under side. A folded cover or sheath W for protecting the shoe can be stored in this compartment. A button 270 is provided at the instep portion 106W of sole 104W. A buttonhole 272 on tongue 274 of the sheath engages on the button 270 as clearly shown in FIG. 48. The sheath overlays a toe cap 100W secured to the upper side of sole portion 105W. This cap supports the sheath. When not in use, the sheath can be folded up and concealed in the cross strap.

Shoe S23 shown in FIG. 49 has a compartment 110x formed in the instep portion 106x of sole 104x. A folded cover or sheath 125x for the shoe can be stored in this compartment. Inner or upper sole 132x covers sole 104x and closes the compartment. The compartment is exposed by lifting the rear end of the upper sole as shown in FIG. 49. A toe cap 100x is provided on the forward end of sole 132x for supporting the sheath when it is mounted on the shoe. A button on instep 106x engages buttonhole 272x on tongue 274x of the sheath.

Shoe S24 shown in FIG. 50 has a compartment lly formed under the upper sole 132)'. This sole has lateral accordion pleates 275 dening the compartment in which folded sheath 12531 is stored. The sheath has a tongue 274y provided with button hole 272y for engaging on button 270y under the instep portion 10631 of the shoe when the sheath is in place on the shoe, in a manner similar to that shown in FIG. 48 for shoe S22. The cornpartrnent 11031 is opened by lifting the rear end of the upper sole 132)I to expose the sheath.

In all forms of the invention described, it will be noted that a compartment is p-rovided for storing a shoe cover or sheath. The soles, -upper and straps can be made of leather or plastic. The sheaths and covers are preferably made of eXible, elastic rubber or plastic.

While I have illustrated and described the preferred embodiments of my invention, it is to be understood that I do not limit myself to the precise constructions herein disclosed and that various changes and modifications may be made within the scope of the invention as dened in the appended claims.

What is claimed is:

1. A shoe comprising an upper, a sole attached to said upper, said sole having a front fiat horizontal portion and an instep portion inclined upwardly from a rear end of said front portion, said front portion of the sole having a shallow compartment formed therein, said compartment being closed at one end of said front portion and being open at the other end thereof; a contracted spring-like means anchored at one end in said compartment at the one end thereof; a strap attached to the other end of the Q u spring, and a collapsed flexible sheath for covering said upper and sole disposed in said compartment and connected to said strap, said sheath being removable from the open other end of the compartment and engageable on the sole and upper while said spring is stretched in tension and holding the sheath in place on the sole and upper.

2. A shoe comprising an upper, a sole attached to said upper, said sole having a front flat horizontal portion and an instep portion inclined upwardly from a rear end of said front portion, said front portion of the sole having a shallow compartment formed therein, said compartment being closed at the front end of said front portion and being open at the rear end thereofg'a contracted spring anchored at one end in said compartment at the closed front end thereof; a strap attached to the other end of the spring, and a collapsed flexible sheath for covering said upper and sole disposed in said compartment and connected to said strap, said sheath being removable from the open rear end of the compartment and engageable on the sole and upper While said spring is stretched in tension and holding the sheath in place on the sole and upper, said sole having a notch formed at the rear end of the front flat portion thereof, and a button on said sheath engaged in said notch and exposed outside of the sole for grasping to facilitate removing the sheath from the compartment.

References Cited UNITED STATES PATENTS 921,433 5/ 1909 Miller :i6- 2.5 3,174,234 3/1965 Weitzner 36-1 FOREIGN PATENTS 933,974 l/l948 France.

PATRICK D. LAWSON, Primary Examiner.

Claims

1. A SHOE COMPRISING AN UPPER, A SOLE ATTACHED TO SAID UPPER, SAID SOLE HAVING A FRONT FLAT HORIZONTAL PORTION AND AN INSTEP PORTION INCLINED UPWARDLY FROM A REAR END OF SAID FRONT PORTION, SAID FRONT PORTION OF THE SOLE HAVING A SHALLOW COMPARTMENT FORMED THEREIN, SAID COMPARTMENT BEING CLOSED AT ONE END OF SAID FRONT PORTION AND BEING OPEN AT THE OTHER END THEREOF; A CONTRACTED SPRING-LIKE MEANS ANCHORED AT ONE END IN SAID COMPARTMENT AT THE ONE END THEREOF; A STRAP ATTACHED TO THE OTHER END OF THE SPRING, AND A COLLAPSED FLEXIBLE SHEATH FOR COVERING SAID UPPER AND SOLE DISPOSED IN SAID COMPARTMENT AND CONNECTED TO SAID STRAP, SAID SHEATH BEING REMOVABLE FROM THE OPEN OTHER END OF THE COMPARTMENT AND ENGAGEABLE ON THE SOLE AND UPPER WHILE SAID SPRING IS STRETCHED IN TENSION AND HOLDING THE SHEATH IN PLACE ON THE SOLE AND UPPER.