US2520326A

US2520326A - Reversible automatic lock slider for separable fasteners

Info

Publication number: US2520326A
Application number: US731623A
Authority: US
Inventors: Louis H Morin
Original assignee: Individual
Current assignee: Individual
Priority date: 1947-02-28
Filing date: 1947-02-28
Publication date: 1950-08-29
Anticipated expiration: 1967-08-29

Description

Aug. 29, 1950 L H MORI 2,520,326

K DER REVERSIBLE AUT OMATIC L FOR SEPARABLE FA ENE Filed Feb. 28, 47

ENTOR Lows .Mo/w/v A TTO R N Y form of slider which I Patented Aug. 29, 1950 UNITED STATES PATENT OFFICE REVERSIBLE AUTOMATIC LOCK SLIDER l .FOR SEPARABLE FASTENERS Louis Morin, Bronx, N; Y. Application February 28, 1947, Serial No. 731,623

channel of the slider. .1 Still; more. particularly,

the invention deals with a double. acting lock slider having pairsof pulls and yokes on opposed Walls thereof, with means .WhGlGbYfllhB actua tion of either pull will cause both yokes to lock in retracting or withdrawing the pin or look elements from the channel of the slider body. The novel features of the invention will behest understood from the following description when taken together with the accompanying-drawing, in which certain embodiments of the invention are disclosed, andin which the separate parts are designated by suitable reference characters in each of the views; and in which: I

Fig. 1 is a side and sectional view of a, slider made according to my invention, showing one use thereof. I

Fig. 2 is a section on theline 2- 2 of Fig. 1, omitting the pull. i

Fig. 3 is a longitudinal section through another employ, showing dual pulls and dual yokes.

Fig. l is a section on the line 4 -4 of Fig. 3,

omitting the pulls. H

Fig. 5 is a plan viewof the structure shown in Fig. 3; and

f Fig. 6 is a section on the line li -50f Fig.5.

In Figs. 1 and 2 of the drawing, I have shown one simple form of my invention. In these figures, It represents aslider body having spaced top and bottom walls I1 and i2 joined at one end in a connecting web. I3,the walls H and l2having inturned flanges l4 and I5 defining the channel at one end of the slider. Extending upwardly from the wall Ii at the front and rear thereof, are lugs l6 and I! having. inwardly extending conical bearing portions i8 and I9. Between these bearing portions and lugs is disposed a- 1aterally rocking elongated yoke 20. The yoke has conical recesses .2! and 22 atthe ends thereof to receive the conical bearings 18 and IS in providing the pivotal or laterally rocking mounting of the yoke. The, forward end of the 9 ohms, (01. 24-20514) yoke has a downwardly extending pin or look element 23, which extends, into the channel of 2 the slider body through an opening 24 formed in thewallll n The yoke 29 has a side wall 25 shaped to form twocam surfacesitand 2! adapted to be en: gaged by the cross head 28 .of a pull 29 to rock the yoke 29 on its pivots inswinging the finger 23 out of the channel of the slider against the action of a coil spring 30. This spring 30 is arranged in a socket ill at the side of, the yoke opposite to that which includes the downwardly extending finger 2 3. It willappear from a con.- sideration of Fig. 1, thatlthe ,wal1 25 or the cam extension 26 thereof has a further rib extension 32 onto the finger, 23 which forms a stop engaging the wall of the slider I I, asseen. at 33 in checking inward movement of the. pinu23... In other words, the spring 33 serves tosupportgthe yoke in the position shown in Fig. l, and also indicated in Fig. 2, at all times, except when the pull is actuated to move .the slider along the stringers. In this latter operation, the cross head .28 operates uponeither of

.thesurfaces

26 and 21 to raise the finger 23.

In Figs. 3 to 6 inclusive, I have shown a modification of the structure. shown in Figs. 1 and 2, wherein two simi1ar yokes-34--34 are pivotally mounted in lugs 35-36 and 35 -35, similar to the lugs ll. The yokes B l-34" are substantially similar to the lug 2t, beingzmodified to the extent that the inner ends thereof are ,provided with laterally extending bearing portions 31-38 on the yoke 34, and 3l'--38f..on;the yoke, 34, note Figs. 4 and 6. The bearing portions 313if differ from the bearing portions 38.38' in. that the first have flat lower. surfaces and the latter, bevelled surfaces to providefree swinging or rocking of the yokes, as. will appear from a consid- 4i and. 42 at opposite sidesof the web .40, are

what I term transfer motion pins .4 34;4. These pins normally engage the lower surfaces, of ,the yokes or the bearings 3J -3'|' and 38-38 when the yokes are in neutral position, as seen ,inFig. 4

of the drawing, andwith the pin .45 of the yoke 34, and the pin .4 5 of the yoke 34 extending into the channel of the slider,.springs Ali-46f sup .porting the yokes in this position, the same as in the structure shown in Figs. 1 and *2.

Now, then, after either onepf the yokes 34 34 "is rocked through the medium or its operating pull 41-41, the rocking movement contributed to one yoke will befcoritributed to the opposed sociated with these parts.

yoke through said transfer motion pins. In other words, considering Fig. 6 of the drawing, it will appear that if the left side of the yoke 34 were raised by operation of the pull 41, the right side would be moved down, the pin 44 correspondingly moved down transmitting this motion to the right side of the yoke 34, and then in turn, the transfer pin 43 would be moved upwardly, consistent with the raising of the left side of the yoke 34. When the pull is released, the springs 4G46' will utomatically return the parts to their normal locked position, as seen in Figs. 3. and- 4 of the drawing.

In that the other structure of the yokes 3434' is the same as the yoke 20, no further detailed description thereof will be given.

Sliders of the type and kind shown in Figs. 3 to 6 inclusive are adapted for use on installations where sliders can be practically operated from both sides of the fastener. This is particularly desirable, for example, upon a'tent flap, where the flap might be opened or closed from the interior or exterior of the tent. At all times, the slider may be retained in locked position, or at any point along the stringer length.

It will be understood that with both forms of construction shown, the slider is in the form of a die cast body and the lugs as at l6, I1, 35 and 36 will be normally cast in a spread or extended position, and will be moved into closed operative position after placement of the die cast yokes in position therebetween and with the pull or cross head thereof arranged in assembled relationship with respect to the yoke, the spring also being in position.

Considering Figs. 3 to 6 inclusive,it will be apparent that the complete assemblage is formed from three primary parts, namely the slider body, a yoke and a pull with a spring being asstructure, the automatic locking principle be comes substantially foolproof in operation. From astandpoint of appearance and practicability of the fastener, the arrangement of the lock finger or pin within the side edge boundaries of the yokes, in addition to streamlining the slider structure, also enables the pull to drop .flatly upon the slider wall when at said end of the slider. Furthermore, the use of the coil spring at the other side of the yokes and other end thereof in conjunction with the integral pivot portions on the posts of the slider wall materially simplifies the assemblage of the slider parts.

Having fully described my invention, what I claim as new and desire to secure'by Letters .Patent is:

. 1. A look slider for separable fastener stringers comprising a channelled slider body defined by spaced walls, one wall of the slider bodyv having upwardly projecting posts at end portions of said wall and centrally thereof, said posts having inwardly extending integral pivot portions, an elongated yoke member arranged between said posts and having sockets for receiving the pivot portions thereof to provide lateral swinging Although two yokes (ill a movement of the yoke on said slider wall, one end of the yoke having at one side of the pivot thereof and within side boundaries of said yoke an inwardly extending lock finger passing through an aperture in said wall of the slider to extend into the channel of said slider body, the other end of the yoke at the opposite side thereof having a spring engaging the yoke to normally support the lock finger in position extended into said channel, the first named'side of the yoke having longitudinally spaced cam surfaces, a pull having a cross head arranged between the yoke and said slider wall and adapted to engage said cam surfaces in swinging the yoke on its pivots against the action of said spring to withdraw the ,lockfinger from the channel in operating the slider along stringers in both directons, said yoke and pull constituting a lock unit on one wall of the slider body, a similar unit on the other wall of said slider body, and means comprising a pair of motion transfer pins arranged vertically in the slider body and operatively engaging both side portions of the yoke of both units at-the second named end of said yokes whereby operation of one unit will automatically actuate the companion unit through said pins.

2. A look slider for separable fastener stringers comprising a channelled slider body defined by spaced walls, one wall of the slider body having upwardly projecting posts at end portions of said wall and centrally thereof, said posts having inwardly extending integral pivot portions, an

elongated yoke member arranged between said' posts and having sockets for receiving thepivot portions thereof to provide lateral swinging movement of the yoke on said slider wall, one end of the yoke having at one side of the pivot thereof and within side boundaries of said yoke an inwardly extending lock finger passing through an aperture in said wall of the slider to extend into the channel of said slider body, the other end of the yoke at theopposite side thereof having a spring engaging the yoke to normally support the lock finger in position extended into said channel, the first named side of the yoke having longitudinally spaced cam surfaces, a pull having a cross head arranged between the yoke and said slider wall and adapted to engage said cam surfaces in swinging the yoke on its pivots against the action of said spring to withdraw the lock finger from the channel in operating the slider along stringers in both directions, said yoke and pull constituting a lock .unit on one wall of the slider body, a similar unit on the other wall of said slider body, means comprising a pair of motion transfer pins arranged vertically in the slider body and operatively engaging both side portions of the yoke of both units at the secondnamed end of said yokes whereby operation of one unit will automatically actuate the companion unit through said pins, and means at the second named end portion of said yokes checking movement of the yokes into inoperative' positions.

3. A look slider for separable fastener stringers comprising a channelled slider body defined by spaced walls, one wall of the slider body having upwardly projecting posts at end portions of said wall and centrally thereof, said posts having inwardly extending integral pivot portions, an elongated yoke member arranged between. said posts and having sockets for receiving the pivotpor- .tions thereof to provide lateral swinging movement of the yoke on said slider wall, one end ,of

the yoke having at one side of the pivot thereof and within side boundaries of said yoke an inwardly extending lock finger passing through an aperture in said wall of the slider to extend into the channel of said slider body, the other end of the yoke at the opposite side thereof having a spring engaging the yoke to normally support the lock finger in position extended into said channel, the first named side of the yoke having longitudinally spaced cam surfaces, a pull having a cross head arranged between the yoke and said slider wall and adapted to engage said cam surfaces in swinging the yoke on its pivots against the action of said spring to withdraw the look finger from the channel in operating the slider along stringers in both directions, said yoke and pull constituting a lock unit on one wall of the slider body, a similar unit on the other wall of said slider body, means comprising a pair of motion transfer pins arranged vertically in the slider body and operatively engaging both side portions of the yoke of both units at the second named end of said yokes whereby operation of one unit will automatically actuate the companion unit through said pins, means at the second named end portion of said yokes checking movement of the yokes into inoperative posi tions, and means at the first named end portions of said yokes checking movement of the lock fingers into the channel of the slider body.

4. In a dual lock slider for separable fastener stringers, a pair of lock units, one arranged upon each surface of the slider body, each unit including a pull for operating the same, means pivotally supporting each unit to swing laterally on the slider body, and pair of motion transfer pins extending through the slider body and engaging each of said units whereby the operation of either unit by its pull will have the effect of operating the other unit.

5. A dual lock slider comprising a channelled slider body defined by spaced walls, said walls having apertures opening into the channel of said body, a pair of similar lock elements, means movably supporting said elements on said walls of the slider body, each element having a lock finger extending through said aperture into the channel of the slider body, each element having a pull for independent actuation thereof at each side of the slider body, and means mounted in the slider body operatively engaging said elements whereby operation of one element by its pull will correspondingly operate the other element in withdrawing the lock fingers of said elements from the channel of the slider body.

6. A dual lock slider comprising a channelled slider body defined by spaced walls, said walls having apertures opening into the channel of said body, a, pair of identical lock elements, means movably supporting said elements on said walls of the slider body, each element having a lock finger extending through said aperture into the channel of the slider body, each element having a pull for independent actuation thereof at each side of the slider body, means mounted in the slider body operatively engaging said elements whereby actuation of one element by its pull will correspondingly actuate the other element to withdraw the lock fingers of said elements from the channel of the slider body, and each element having a spring normally supporting the element with the lock finger thereof extending into the channel of the slider body.

7. In a dual-locking, double-walled, channelled slider for separable fastener stringers having a yoke mounted on each Wall and a pull engaging each yoke, and wherein the walls are web-connected and each has a recess opening into the channel of said slider, the combination of a pair of transfer motion pins extending depthwise through the slider and through each wall thereof adjacent the web end, said pins being capable of up and down movement; each yoke being mounted for lateral movement on each said wall of the slider in response to operation of the pull and having a pair of bearing portions at its webadiacent end, said bearing portions being engageable by said pins, 2. locking finger on the webremote end of each yoke for movement through each said recess into and out of the slider channel as each yoke is moved, each yoke being spring actuated to normally force the locking finger into the slider channel, said slider being characterized by the fact that operation of either pull results in moving both yokes, the locking fingers of the yokes being consequently moved out of the slider channel.

8. In a dual-locking, double-walled, channelled slider for separable fastener stringers having a yoke mounted on each wall and a pull engaging each yoke, and wherein the walls are web-connected and each has a recess opening into the channel of said slider, the combination of a pair of transfer motion pins extending depthwise through the slider adjacent the web end, said pins being capable of up and down movement; each yoke being mounted for lateral movement on each said wall of the slider in response to operation of the pull and each said yoke being engageable by said pins, a locking finger on the webremote end of each yoke for movement through each said recess into and out of the slider channel as each yoke is moved, each yoke being spring actuated to normally force the locking finger into the slider channel, said slider being characterized by the fact that operation of either pull results in moving both yokes, the locking fingers of the yokes being consequently moved out of the slider channel.

9. In a dual-locking, double-walled, channelled slider for separable fastener stringers having a locking element mounted on each wall and a pull engaging each said element, and wherein the walls are web-connected, the combination of a pair of transfer motion pins extending depthwise through the slider adjacent the web end, said pins being capable of up and down movement; each locking element being mounted for lateral movement on each said Wall of the slider in response to operation of the pull and each said element being engageable by said pins, each element being spring actuated to normally look the fastener stringers in the slider channel, said slider being characterized by the fact that operation of either pull results in moving both looking elements out of locking engagement with the fastener stringers.

LOUIS H. MORIN.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 2,172,214 Marinsky Sept. 5, 1939 2,172,217 Morin Sept. 5, 1939 2,178,948 Brozek Nov. 7, 1939 2,185,658 Carlile Jan. 2, 1940 2,303,750 Marinsky Dec. 1, 1942 2,405,883 Gould Aug. 13, 1946