|Publication number||US3258820 A|
|Publication date||Jul 5, 1966|
|Filing date||Apr 28, 1964|
|Priority date||Apr 30, 1963|
|Publication number||US 3258820 A, US 3258820A, US-A-3258820, US3258820 A, US3258820A|
|Inventors||Sussman Steinberg Adalberto|
|Original Assignee||Sussman Steinberg Adalberto|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (5), Referenced by (40), Classifications (15)|
|External Links: USPTO, USPTO Assignment, Espacenet|
July 5, 1966 A. s. STEINBERG PULL FASTENING DEVICE FOR SHOES AND MORE PARTICULARLY FOR SKI SHOES 2 Sheets-Sheet 1 Filed April 28, 1964 INVENTOR.
July 5, 1966 A. s. STEINBERG PULL FASTENING DEVICE FOR SHOES AND MORE PARTICULARLY FOR SKI SHOES 2 Sheets-Sheet 2 Filed April 28, 1964 United States Patent Ofiice 3,258,820 Patented July 5, 1966 3,258,820 PULL FASTENING DEVICE FOR SHOES AND MORE PARTICULARLY FOR SKI SHOES Adalherto Sussman Steinberg, Via Frassinetti 25, Milan, Italy Filed Apr. 28, 1964, Ser. No. 363,232 Claims priority, application Italy, Apr. 30, 1963, 8,957/63; Oct. 5, 1963, 20,536/ 63 6 Claims. (Cl. 2470) Conventional pull fastening devices for retaining the shoes and more particularly ski shoes in closed position are usually formed with pairs of elements engaging each other, one element being fixed to one side of the shoe upper and the other element being fixed to the opposite side, one of said elements consisting of at least a hook, a button or the like and the other one consisting of a linked pull system comprising a lever and a tension member, which are connected to each other by means of an elbow joint element.
The present invention provides for a considerable improvement in shoe fastening devices especially to increase the efficiency thereof.
The characteristical feature of the pull device according to the present invention .is to maintain the tension member of the elbow joint system constantly parallel to the support base portion and therefore to the upper of the shoe. Thanks to this feature when the tension member is not operative it is made to stay in raised position parrel to the shoe upper thereby greatly facilitating and speeding up the fastening operation. More particularly, said arrangement is made possible by having two lateral slots provided in the side bearings of the lever, said lateral slots being adapted-to receivethe common pivot of the intermediate arm and of the tension member sliding therein so as to have the tension member move on a path which is parallel to the support base portion.
The fastening device of the invention may be completed with some modified means and namely: instead of engaging a stationary rack-like element, the U-shaped tension member may engage a movable rack element forming a part of an auxiliary lever fastening device. In this way it is possible to obtain at the moment of the closing operation a second adjustment or regulation of the pulling action.
The double link joint system for attachment of the U-shaped tension member may be provided with a third adjustment arrangement by having one of its pivots mounted on a support means with upright bearings providing for two pull positions, i.e. one with the joint system stretched forwards and the other one with the joint system turned over backwards and passing the dead center. In this way the tension member may be shortened thus allowing for a third adjustment of the whole fastening unit.
The following detailed specification refers to the accompanying drawing which diagrammatically shows some practical solutions:
FIG. 1 is a perspective view of a fastening device in closed position.
FIG. 2 is a slightly enlarged plan view of the device shown in FIG. 1.
FIG. 3 is a lateral view of FIG. 2.
FIG. 4 is the same view as in FIG. 3 wherein some details are sectioned.
FIG. 5 is a view of the device of FIG. 4 in open position.
FIG. 6 is a detailed view of FIG. 5 which is partially modified.
' FIG. 7 is a side view of a modification of the device shown in FIGS. 1-5 in open position and with a second pull adjustment.
FIG. 8 is a perspective view of a variant of FIG. 1 with the addition of two adjustment arrangements in a position corresponding to the starting of the pulling action.
FIG. 9 is a view of the U-shaped tension member which is to be directly applied to the upper of the shoe with its length adjusting device in extended position.
FIGS. 10-12 are views of constructive details of the intermediate link element of the tension member shown in FIGS. 8 and 9.
Referring more particularly to FIGS. 1-5 the upper of the shoe has the hook element 30 applied to its side 11 and the hooking element 14, 31, 19' applied to its other side 16, said hooking element consisting: of a plate 31 with bearings 14 carrying the pivot 13 for the lever 12; of a second pivot 21 which is carried by the lever 12 and which secures the intermediate arm 32 pivotally, said intermediate arm 32 being provided at its opposite end with a recess 33 that is adapted to receive the transverse portion of a first tension member 34 passing through said open recess 33; and of two parallel slots 35 provided in the bearings 14 of the plate 31 which are adapted to have the tension member 34 slide therein.
The lever 12 is completely comprised within the side bearings 14 while the tension member 34 is situated outside of said side bearings except for its transverse portion which is journaled in 33.
The intermediate arms 32 may have different shapes in accordance to the practical solutions or embodiments of the device. In FIG. 6 for instance, the pivot arrangement 33 is provided with a slide roller 36.
The first tension member 34 is connected to the second tension member 19' in any preferred suitable manner over connection means 24 which is intended to prevent twistings or deflections of the rod portions of said member especially if it is made in a single piece. In the embodiment of FIGS. 5 and 6 the connection means 24 is shown in its extended position and in its turned over position to provide for a further length adjustment of the tension member system 34-19.
FIG. 7 is a view of a double pull fastening device wherein the hook rack element 30, which in FIG. 1 is stationary, has been replaced by a similar but mobile element 15 with hook like teeth 16, 16, 16".
Said movable element 15 is pivoted in 20 on a lever 44 which is in its turn pivoted in 43 to the :bearings 42 of a support plate 40. This support plate is secured to the upper of the shoe with nails passing through the holes 41 and is provided with a front portion having projecting parallel edges 40 which define therebetween a central channel 49 adapted to receive the free end 16 of the movable member 15 sliding therein. The tension member 19' engages said hook rack element which is displaced by pressing down the lever 44, thus realizing a second pull system which is symmetrical to the one comprising the lever 12.
The fastening device to the left of FIG. 7 could'also be used alone whenever a double pulling action is not required. Such an embodiment is shown in FIGS. 8 and 9. The device consists in this case of two portions and namely: of a main portion which is suited to be applied to a side of the shoe upper and is made of a base portion 40 with attachment holes 41 and upright bearings 42 projecting from that end of the plate which is in proximity of the uppers edge. Said bearings 42 are provided with the pivot 43 having the handle lever 44 journaled thereon, said lever being provided with two projecting portions, the movable rack element 15 is pivotally connected to. The inclined teeth 16 of the element 15 define therebetween intermediate spaces 17. The ring portion of the connecting tension member 19' is made to hook into one of said intermediate spaces 17, said tension member being pivotally connected to the base plate 51 which is secured to the other side 26 of the upper by means of the nails 53.
The base portion 40 has two lateral edges 40' extending from the bearings 42 in longitudinal direction, said edges defining a channel 49 which serves as a slide guide for the suitably rounded free end of the rack element 15. The fulcrum center 20 between the handle lever 44 and the rack element 15 is chosen to be higher than the pivot point of the handle lever 44 so that the inclination of the rack element 15 with respect to the base channel 49 never exceeds 45 whatever the position of the handle lever 44 might be. The base portion 40 with its bearings 42 in proximity of the uppers edge cushions the fastening pressure which is thus transferred from the front portion of the instep laterally towards the bottom of the shoe.
Furthermore the application center of the fastening pressure which is determined by the free end of the rack element 15 is not stationary but, on the contrary, moves during the fastening operation along the guide channel 49 whereby every excessive localized stress is prevented from acting on a single point of the foot.
The other portion of the pull device, namely the connection ring 19' is pivotally connected to a base plate 51 which is also provided with upright bearings 57 carrying the pair of pivots 52 with the intermediate element 54 journaled thereon, which in its turn has the ring 19 pivoted thereto in 55. This intermediate element is made of a rectangular plate 54 (FIG. having the ends of the longitudinal edges provided with projections 52 so that by folding said plate in the middle (as shown in FIGS. 11 and 12) the combined projections 52 are made to form a pivot which is adapted to enter into a hole of the bearings 57 while the middle portion 54 forms a sleeve that is adapted to receive the two ends of the rings 19' bent at a right angle. The portions of the bearings 57 which are located upstream with respect to the combined pivots 52 are recessed as in 58 to form a safe seat for the sleeve 54 in the over turned position shown in FIG. 8. The sleeve 54 is tightly engaged therein and is prevented from being unintentionally pulled out of its seat even when a high stress is applied. The change from the position of FIG. 8 to the position of FIG. 9 may take place only by intentional action of the wearer. This constructive arrangement has the advantage that the link member 55 of the ring 1'9 may be disposed either in the position of FIG. 8 i.e. upstream of the pivots 52 with respect to the uppers edge 26 or, as shown in FIG. 9, downstream of said pivots 52, whereby it is made possible to control practically the length of the tension member, this arrangement serving as a further adjustment of the fastening device. I
1. A pull device for fastening two shoe portions comprising a tension member pivotally connected to one portion of the shoe and extendable to the other portion, base plate means fixedly attached to the other portion of the shoe, said base plate means having slide channel means, lever means pivoted to rotate towards and away from the pivotal connection of said tension member, hook rack means hinged at one end to said lever means, said hook rack means having a plurality of hooks for receiving said tension member, said hook rack means having the other end slidable in said slide channel means of said base plate means, the two shoe portions being pulled together by movement of said hook rack means when said lever means is rotated away from the pivoted connection of said tension member.
2. The apparatus as claimed in claim 1, wherein said hook rack means is hinged at said lever means at a position between the center of said lever means and the pivotally mounted end of said lever means, the distance between the hinged connection of said hook rack means and the base plate means always being sufficiently less than the length of said hook rack means to maintain said hook rack means at an inclination angle less than 45 with respect to said base plate means in order to facilitate operation of the pull device.
3. The apparatus of claim 1 wherein said other end of said hook rack means may be swung in an upward arc to a position enabling convenient initial engagement with said tension member, tension being applied to said tension member upon the return of said other end of said hook rack means to said slide channel means.
4. The apparatus of claim 1 and further including a base means fixedly connected on the one portion of the shoe, connection means pivotally mounted at one end to said base means, said tension member being pivotally connected to the other end of said connection means, said connection having an extended position and an overturned position to allow the extended position of said tension member to be adjusted.
5. The apparatus of claim 4 wherein said base means includes two upright shoulder means, said connection means being comprised of a plate having a pair of lateral projections on each end, said plate being folded to adjacently dispose said pairs of lateral projections to form link pivot means, said link pivot means being pivotally centered in said upright shoulder means of said base means to allow said connection means to assume either of two said positions.
6. The apparatus of claim 1 wherein said tension member is pivoted on base means fixedly attached to the second side of the shoe upper, said base means having slot portions, lever pull means pivotally mounted on said base means and connected to one end of said tension member for applying tension to said tension member, arm means being pivotally connected at one end to said lever pull means, said arm means having a second end slidably mounted in the slot portions of said base means in order to delimitate the movement of said arm means.
References Cited by the Examiner UNITED STATES PATENTS 513,727 1/1894 Potts 24-70 X 724,940 4/ 1903 Reiterman. 1,002,901 9/ 1911 Christman 24-70 3,132,392 5/1964 Steinberg 2470 FOREIGN PATENTS 93 1912 Great Britain.
EDWARD C. ALLEN, Primary Examiner.
MILTON S. MEI-IR, Examiner.
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|U.S. Classification||24/70.00R, 36/50.5, 24/70.0SK|
|International Classification||A43C11/14, A43C11/00|
|Cooperative Classification||A43C11/1453, A43C11/1446, A43C11/1413, A43C11/144, A43C11/1433|
|European Classification||A43C11/14B2, A43C11/14B4M, A43C11/14B4T, A43C11/14B4P, A43C11/14B4F|