US2123512A

US2123512A - Separable fastener

Info

Publication number: US2123512A
Application number: US106961A
Authority: US
Inventors: Marinsky Davis
Original assignee: WHITEHALL PATENTS CORP
Current assignee: WHITEHALL PATENTS Corp
Priority date: 1936-10-22
Filing date: 1936-10-22
Publication date: 1938-07-12
Anticipated expiration: 1955-07-12
Also published as: USRE20795E; BE424147A; US2123513A; GB503346A; FR827963A; US2103037A; DE687361C

Description

July 12, 1938.

D. MARINSKY 2,123,512

SEPARABLE FASTENER Filed Oct. 22,1936

INVENTOR A BY M512 4 ATTORNEY Patented July 12, 1938' 'UNITED STATES PATENT OFFICE SEPARABLE FASTENER 7 Application October 22, 1936, Serial No. 106,961

13 Claims.

This invention relates to separable fastenersemploying stringers having interengaging links -with a slider movable along the stringers to couple and uncouple the links, and particularly, to an improved end stop and slider construction for devices of the kind under consideration; and the object of the invention is to provide a fastener of the class described with an end stop consisting of detachably coupled parts with means on said end stop and slider for retaining the slider and one part of the end stop against disengagement when the separate parts of the end stop are detached; a further object being to provide means involving said coupling or retaining means for supporting the slider in proper alinement with the end stop part to facilitate engagement and disengagement of the removable end stop part or pin so as to provide free and positive action in coupling and uncoupling the stringers; a further object being to provide a slider and the end stop part to which the slider is adapted to be coupled one with a spring and the other with a part engaged by said spring to couple or latch said parts when in juxtaposition or abutting position and still further tothe provision of means for disengaging or unlatching the slider with said part in the operation of coupling the other of said end parts with the first named part prior to the coupling of the stringers by movement of the slider longitudinally thereof and away from said end stop; and with these and other objects in view, the invention consists in a device of the class and for the purpose specified, which is simple in construction, efiicient in use and which is constructed as hereinafter described and claimed.

The invention is fully disclosed-in the following specification, of which the accompanying drawing forms a part, in which the separate 40 parts of my improvement are designated by suitable reference characters in each of the views, and in which:

Fig, 1 is' a plan and sectional view of one end portion of a separable fastener with the slider 45 arranged in spaced relation to the end stop employed.

Fig. 2 is a partial section on the line 2-2 of Fig. 1 with one of the stringers detached.

Fig.3 is a view of the'opposite side of the end of the fastener shown inl ig. 1 with parts in a different position.

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

Fig. 5 is a section on the line 5--5 of Fig. 3, indicating one of the stringers partly detached and showing the slider in coupled or latched position.

Fig. -6 is a view similar to Fig. 3 showing a modification; and, Fig. 7 is a section substantially on the line 5 1-1 of Fig. 6.

In separable fasteners of the kind described, several problems have been experienced,'especially in devices of this kind as applied to shirts, lumber jackets and similar kinds of installations 10 where it is desirable to completely separate the stringers. With these types of devices, what are known as detachably' coupled end stops are employed at one end of the stringers and difficulty has been experienced in properly coupling the 15 separate parts of the end stop especially when passed through a slider disposed adjacent one of the end stops. On many occassions, the several parts have jammed and become inoperative which is inconvenient for the user, especially because 20 of the difficulty in maintaining the several parts in proper relative position to facilitate the coupling which is necessary to provide the proper intermeshing of the links of the stringers. It is the purpose of my invention to render 5 devices of this kind more fool-proof by eliminating the possibility of faulty coupling of the stringers in the provision of means for latching or retaining the slider against displacement from one of the end stop parts and to maintain 30 the slider in constant engagement with said part soas to insure and simplify the iecoupling of the end stop parts as well as to mainta n the slider and first named part in alinement to insure free passage of the second end stop part through the slider and first named part. The structure shown and described herein constitutes an improvement of the structure disclosed in my earlier application, Serial Number 78,604, filed May 8, 1936. 40

In Figs. 1 to 5 inclusive, I have shown one method of carrying my invention into effect, and in these figures'l have shown parts of one end portion of stringers l0 and II. having coupling links or scoops I2 and [3 arranged longitudinally of one edge portion thereof and adapted to be coupled and uncoupled by a slider l4 movable longitudinally thereof as in other devices of this kind.

The end portion of the fastener disclosed is adapted to be coupled and uncoupled by means of a detachable end stop consisting in the construction shown of a U-shaped part l5 having an elongated bar l6 arranged and secured in one side of the channel ll of said part, the bar portion I8 projecting beyond the inner end of the U-shaped part I5 as seen at Mia. The inner side surface of the bar portion I6 is provided with longitudinally spaced notches or recesses I62). The other part I8 of the end stop is in the form of an elongated pin or bar substantially similar to the bar I6 and this part is provided with spaced knobs I8a adapted to enter the notches or recesses I6b to couple said parts together, it being understood at this time that the part I8 may be recessed and the bar portion I6 provided with the projections, if desired. The ends of the stringers I and II or that portion thereof to which the bars I6 and I8 are secured are preferably reinforced in any suitable manner. In the construction shown, sheet metal platesl9 and I911 are employed and these plates extend around the beaded edges Illa, Ila of the stringers Ill and II within the bars I6 and I8 as indicated ,in Fig. 4 of the drawing.

The pin part I8 is insertable into the channel I1 of the U-shaped part I5 at one side of the bar I 6 and projects from the part I5 in substantially parallel relation to and in alinement with the projection Ilia. The U-shaped part I5 has inturned flanges I5a at'its side edges and these flanges serve to retain the pin I8 against lateral displacement from the part I5, and the space between theflanges will receive the stringer tapes including the plates I9, I9a arranged-thereon. Arranged on the rear side surface of the part I5 is a spring plate or arm 20 which may be riveted or otherwise secured in position as seen at 2 I, and if desired, this plate may be countersunk in said surface of the part IS. The end portion 22 of the part 20 projects beyond the end wall 23 of the part l5 which wall forms a stop wall against which the end of the slider I4 abuts; and said projecting end 22, in the construction shown in 'Figs. 1 to 5 inclusive, is provided with an aperture 24 adapted to receive a projecting pin or other member 25 on the corresponding surface of the slider I4 when the latter is in abutting relation to the end wall 23 of the member l5 as seen in Fig. 5 of the drawing. The end portion 22 of the spring 20 is preferably flared outwardly in order to provide free movement ofthe end of the slider beneath said spring as the slider advances in the direction of the end stop.

Adjacent the attached end of the spring 20is an inwardly projecting portion or pin 26 which passes through an aperture 2! formed in the part I5 and is adapted to project into that part of the channel I! into which the pin part I8 passes. The arrangement of the projection 26 and the part I8 will be such that in moving said part I8 into the part I5, the projection 26 will be engaged to move the spring 20 outwardly and disengage the same from the projection or pin 25 on the slider andthus permit the movement of the slider longitudinally of the stringers away from the end stop in coupling the links I 2 and I3 of the stringers, it being understood that when the part I8 is detached from the part I5, the spring 20 will be in engagement with the pin orprojection 25 to hold and retain the slider I 4 against displacement from the part I5 and at the same time will operate to hold the end of the slider in abutting engagement with the stop wall 23, thus maintaining the slider in proper position to facilitate free and non-bindinginsertion and removal of the pin part I8 with respect to the slider and the part I5. The slider I4 includes a finger piece or pull 21 which is pivoted or otherwise coupled to the front face of the slider as indicated at 28.

' In the construction shown in Figs. 6 and '7 of the drawing, I have illustrated a slight modification wherein a spring arm or coupling 29 is substituted for the arm 20, the arm 29 being'of narrow construction to illustrate that it is not essential to employ the wide arm shown in Fig. 3. With this construction, the slider Ha is provided with an aperture or recess 30 adapted to receive a pin or projection 3| at the free end portion of the arm 29 which simply amounts to a reversal of the aperture 24 and pin 25 shown in Figs. 2 and 5. The structure shown in Figs. 6 and 7 also includes an inwardly projecting pin 26a similar to the pin 26 which passes through an aperture in one side wall of the U-shaped body lie to be engaged by the pin part I8 to move the pin 3I out of the aperture 30 of the slider Ila to permit longitudinal movement of the slider on the stringers in coupling the same.

In the construction shown, the slider coupling or latching means has been incorporated in connection withamolded or die cast body of a detachable end stop, but it will be understood that the same may be incorporated in conjunction with or as a part of other types and forms of end stops as well as in sliders of various types and constructions. The distinctive feature of the present invention resides in the provision of means on an end stop and a slider movable toward and from the end stop for positively coupling or latching the slider with the end stop to retain the slider against displacement therefrom, especially when the stringer parts are detached or separated. It will be understood in this connection that the slider will beuncoupled or unlatched by the insertion of the pin member into the socket portion of the end stop to which the slider is coupled. It is also desirable to provide relatively wide abutting surfaces on the slider and end stop so that in coupling the slider with the end stop, proper alinement of the slider with the end stop may be maintained to facilitate insertion and removal of the pin part.

Having fullydescribed my invention, what I claim as new and desire to secure by Letters Patent, is:

stop at one end of the stringers limiting the movement of the slider in the direction of said end of the stringers, a yielding coupling part arranged upon the outer surface of said end stop and extending longitudinally thereof with the free end of said part projecting onto the stringer beyond the body portion of said end stop, the free end of said yielding part and slider being provided one with a projection and the other with an aperture receiving the projection for coupling the slider to said stop to prevent displacement of the slider therefrom, and means movable relatively to the end stop and cooperating with the yielding part thereof for controlling the coupling and uncoupling of the slider with said end stop.

.2. In separable fasteners employing stringers and a slider movable longitudinally on the stringers for coupling and uncoupling the same, an end stop at one end of the stringers limiting the movement of the slider in the direction of said end of the stringers, a yielding coupling part arranged upon the outer surface of said end stop and extending longitudinally thereof with the free end of said part projecting onto the stringer beyond the body portion of said end stop, the free end of said yielding part and slider being provided one with a projection and the other with an aperture receiving the projection for coupling the slider to said stop to prevent displacement of the slider therefrom, and means movable relatively to the end stop and cooperating with the yielding part thereof for controlling the coupling and uncoupling of the slider with said end stop, said last named means comprising a pin part on one of the stringers detachable with respect to the end stop and slider in uncoupling or separating the fastener stringers.

3. An end stop for separable fasteners employing stringers and 'a. slider movable longitudinally of the stringers to couple and uncouple the same, said end stop being disposed at one end of the stringers, a spring arm on said stop, the free end portion of which projects beyond the inner end of the stop, the free end of said spring arm having an aperture, saidend stop comprising a U-shaped body having a channel longitudinally of one side portion thereof, and said spring arm having a projecting portion adapted to extend into said channel in one position of said arm.

4. An end stop for separable fasteners employing stringers and a slider movable longitudinally of the stringers to couple and uncouple the same; said end stop being disposed at one end of the stringers, a spring arm' on said stop, the free end portion of which projects beyond the inner end of the stop, the free end of said spring arm having an aperture, said end stop comprising a U-shaped body having a channel longitudinally of one side portion thereof, said spring arm having a projecting portion adapted to extend into said channel in one position of said arm, the channel of said end stop being attached to one of the fastener stringers and a pin part on the other fastener stringer in-' sertable into-the channel of said body and cooperating with the projection on said arm to move the arm outwardly with respect to one side surface of said body.

5. In separable fasteners employing stringers with a slider movable longitudinally of the stringers to couple and uncouple the same, a detachable end stop at one end of the stringers, said end stop comprising a U-shaped part attached to one stringer with a channel portion of said part disposed outwardly of one edge of the stringer, a pin part on the other stringer insertable into the channel of the first part in coupling the end stop and said end of the stringers, said first named part having a spring member mounted upon one side face thereof, said member having a projection normally extending into the channel of said part by the spring properties of said member, said member and the slider of said stringers having interengaging couplings for latching and retaining the slider against displacement from the first named part when in juxtaposition thereto and when the pin part is detached from said first named part.

6. In separable fasteners employing stringers with a slider movable longitudinally of the stringers to couple and uncouple the same, a detachable end stop at one end of the stringers, said end stop comprising a U-shaped part attached to one stringer with a channel portion of said part disposed outwardly of one edge of the stringer, a pin part on the other stringer insertable into the channel of the first part in coupling the end stop and said end of the stringers, said first named part having a spring member mounted upon one side face thereof, said member having 'a projection normally extending into'the channel-of said part by the spring properties of said member, said member and the slider of said stringers having interengaging couplings for latching and retaining the slider against dis placement from the first named part when in juxtaposition thereto and when the pin part is detached from said first named part, and said pin part engaging the projection on said member in the insertion of the pin part into the first named part to move said member into position to unlatch the slider from said first named part.

7. In detachably coupled end stops for separable fasteners, a U-shaped die cast body forming one part of the end stop and secured to one of the fastener stringers with a channeled portion of said part disposed longitudinally of one side edge of the stringer, a pin part on the other stringer insertable into the channel of the first named part, a flat spring secured at one end to one side surface of the first named part, the free end of said spring projecting beyond the inner end of the channeled portion of said part, said spring having a projection extending through the side wall of said first named part into the channel thereof and adapted to be engaged by the pin part when inserted into the channel to move said spring outwardly with respect to the side surface of said first named part.

8. In detachably coupled end stops for separable fasteners, a U-shaped die cast body forming one part of the end stop and secured to one of the fastener stringers with a channeled portion of said part disposed longitudinally of one side edge of the stringer, a pin part on the other stringer insertable into the channel of the first named part, a flat spring secured at one end to one side surface of the first named part, the free end of said spring projecting beyond the inner end of the channeled portion of said part, said spring having a projection extending through the side wall of said first named part into the channel thereof and adapted to be engaged by the pin part when inserted into the channel to move said spring outwardly with respect to the side surface of said first named part, and the free end portion of said spring having latching means for engaging the slider when arranged in juxtaposition to said first named part.

9. In detachably coupled end stops for separable fasteners, a U-shaped die cast body forming one part of the end stop and secured to one of the fastener stringers with a channeled portion of said part disposed longitudinally of one side edge of the stringer, a pin part on the other stringer insertable into the channel of the first named part, a. fiat spring secured at one end to one side surface of the first named part, the free end of said spring projecting beyond the inner end of the channeled portion of said part, said spring having a projection extending through theside wall of said first named part into the channel thereof and adapted to be engaged by the pin part when inserted into the channel to move said spring outwardly with respect to the side surface of said first named part, the free end portion of said spring having latching means for engaging the slider when arranged in juxtaposition to said first named part, and part of said spring being countersunk in the side surface of said first named part.

10. In detachably coupled end stops for separable fasteners, a U-shaped die cast body forming one part of the end stop and secured to one of the fastener stringers with a channeled portion of said part disposed longitudinally of one through'the side wall of said first named part into the channel thereof and adapted to be engaged by the pin part when inserted into the channel to move said spring outwardly with respect to the side surface of said first named part, the tree end portion of said spring having latching means for engaging the slider when arranged in juxtaposition to said first named part, part of said spring being countersunk in the side surface of said first named part, said first named part having a pin portion arranged parallel to the pin part when the stringers are coupled together, and said pinportion and pin part having means preventing lateral movement with respect to each other outwardly of the channel portion of the first named part.

11. In separable fasteners employing stringers and a slider movable longitudinally of the stringers for coupling and uncoupling the same, an end stop at one end of the stringers limiting the movement of the slider in the direction of said end of the stringers, said stop comprising a socket member secured to one stringer and a pin member secured to the opposed stringer, said pin member being insertable into and removable from the socket of the socket member, a yielding coupling part on said socketmember, an element on said yielding part and projecting into the socket of said socket member, said pin member engaging said element when inserted into the socket member, and said yielding part and slider being provided, one with a projection and the other withtan aperture receiving said projection for coupling the slider with said socket member to prevent displacement of the slider therefrom when said pin member is removed from the socket member.

12. In separable fasteners employing stringers and a slider movable longitudinally of the stringers for coupling and uncoupling the same, an

end stop at one end oi the stringers limiting the movement of the slider in the direction of said end of the stringers, said stop comprising a socket member secured to one stringer and a pin member secured to the opposed stringer, said pin member being insertable into and removable from the socket of the socket member, a yielding coupling part on said socket member, an element on said yielding part and projecting into the socket of said socket member, said pin member engaging said element when inserted into the socket member, said yielding part and slider being provided, one with a projection and the other with an aperture receiving said projection for coupling the slider with said socket member to prevent displacement of the slider therefrom when said pin member is removed from the socket member, and said socket member having projecting portions engaged by said slider in maintaining lateral alinement of the slider with said socket member when coupled therewith.

13. In separable fasteners employing stringers and a slider movable longitudinally of the stringers for coupling and uncoupling the same, an end stop at one end of the stringers limiting the movement of the stringers in the direction of said end of the stringers, said and stop comprising a socket member secured to one stringer and a pin member secured to the opposed string-.

er, means for coupling the slider with the socket member when the slider is in abutting relation therewith, said means comprising a resilient part projecting from the socket member onto the stringer and adapted to overlap the end portion of the slider when moved into engagement with said socket member, said resilient part and slider being provided one with a projection and the