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Патент USA US3026600

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March 27, 1962
1.. H. MORlN
3,026,590
AUTOMATIC LOCK SLIDERS FOR SEPARABLE FASTENER STRINGERS
Filed Jan. 28, 196955
29 4?
57
“<6 4
INVENTOR.
Lou/5 H Mom/v
QBLW/MW
HTTORA/EY
ie
3,026,530
Patented Mar. 27, 1962
2
1
3,026,590
AUTGMATIC LOCK SLIDERS FQR SEPARA?LE
FASTENER STGERS
Louis H. Morin, Bronx, N.Y.
(125 Beechwood Ave, New Rochelle, NY.)
Filed Jan. 23, 196i), Ser. No. 5,218
6 Claims. (Cl. 24-20514)
outward movement of the pivot 30 to eliminate strain
in engagement of 26 with 22.
Joining the side plates 28 near the free ends thereof
is a bridging portion 32, including a downwardly ex
tending lug 33 for localizing the upper end portion of
a coil spring 34 thereon.
The other end portion of the
spring 34 seats on the bottom wall 19’ of the recess 19,
as clearly illustrated in FIG. 1 in normal support of the
elements 25 in operative position with scoops arranged
fastener stringers in coupling and uncoupling said string 10 in the channel 14 of the slider.
The upper end of the pivot member or post 17 has
ers. More particularly, the invention deals with what
a pair of projecting studs 35, which extend into aper
are known as automatic lock sliders having a spring
tures 36, note FIG. 3, of a housing shield 37, the shield
actuated lock element or yoke for engaging the scoops
being secured in position by riveting-over the studs 35,
in retaining the slider against accidental movement on
the stringers. Still more particularly, the invention 15 as clearly illustrated in FIGS. 1 and 2 of the drawing.
In casting the slider, the studs 35 are normally cast, as
deals with a slider of the character described employing
diagrammatically illustrated in FIG. 3 of the drawing,
a shield mounted upon the web of the slider and within
to freely receive the apertures 36 of the shield, prepara
the pivoted portion of the lock element or yoke to house
tory to the riveting-over operation. This operation is
the upper portion of the spring and the spring seat in
20 performed after the yoke 23 has been attached to the
said yoke.
pivot member 17.
The novel features of the invention will be best un
This invention relates to sliders for use on separable
derstood from the following description, when taken
together with the accompanying drawing, in which cer
tain embodiments of the invention are disclosed and,
The plates 28 of the yoke have inwardly extending
pivot portions 38, which are normally positioned to pass
freely over the member 17 and then, by applying pres
in which, the separate parts are designated by suitable 25 sure to outer surfaces of the plates, the pivot portions
38 are extended into the aperture 18 in establishing the
reference characters in each of the views and, in which:
pivotal mounting of the yoke on the member 17.
FIG. 1 is an enlarged side and sectional view'of a
The shield 37 includes a downwardly extending end
slider made according to my invention, with parts of
portion
39, terminating in a reduced projecting tongue
the structure broken away.
40 which seats in an aperture 41 in what may be termed
FIG. 2 is a partial plan and sectional view of the heel
the heel portion 42 of the slider body, note FIG. 3 of
end portion of the slider; and
the drawing.
FIG. 3 is a bracketed perspective view of the heel end
Considering FIG. 2 of the drawing, it will appear
portion of the slider, with the shield detached, prepara
that the shield 37 ?ts snugly but freely within the walls
tory for assemblage with the slider.
Considering FIG. 1 of the drawing, my improved 35 28 of the yoke 23 so as to not interfere in any way with
free swinging movement of the yoke. However, it will be
slider comprises a slider body 10 having top and bottom
apparent that the bridging member 32, as well as the
walls 11 and 12 joined at one end of the slider in a con
necting web 13. The web 13 forms a division for the
conventional channel 14 of sliders of this type and kind.
spring 34, will be substantially concealed.
In addition to functioning as a housing, the shield 37
The channel 14 is formed at the contracted end of the 40 performs another important ‘function, namely preventing
movement of the lock element or yoke 23 into inop
slider by inwardly extending ?anges 15 and 16 on the
erative position by any pressure which might be applied
walls 11 and 12, respectively.
In the construction shown, the web 13 includes an up
to, for example, the free end portions of the side plates
28, which would have the tendency to move the elements
17. The pivot member 17 has a transverse aperture 18 45 25 out of engagement with the scoops of the stringer.
With automatic lock sliders of the type and kind under
arranged above the wall 11 of the slider.
wardly or outwardly projecting pivot member or post
The top wall 11 and web 13 has, rearwardly of the
consideration, this action has oftentimes taken place,
or outwardly extending yoke-shaped strap 22 which
FIG. 1 of the drawing, that the lock element is shown
having a downwardly offset portion 24, one end of which
shield 37.
Having fully described my invention, what I claim as
causing accidental opening of a garment simply by pres
member 17, a recess 19. The forward portion of the
sure of another garment upon the slider. The shield
top wall 11 has an aperture 20, which opens through the
end of said wall and the inner wall of the aperture is 50 acts as a check or stop resisting any such accidental
movement of the lock element or yoke 23 into inopera
indicated at 21 in the broken away portion of the slider.
tive position. It will appear, from a consideration of
The contracted end of the wall 11 has an upwardly
in its normal locked position and, in such position, the
forms a stop, checking outward movement of a lock ele~
55 upper or exposed surfaces of the plates 28 are either in
ment or yoke 23.
alinement with or within outer exposed surfaces of the
The lock element 23 is in the form of a die cast bar
terminates in scoop engaging elements 25.
The offset ‘
new and desire to secure by Letters Patent is:
portion 24- has, at its lower end, an outwardly project
1. A look slider comprising a channelled slider body
ing ?nger 26 which operates in connection with the stop 60
de?ned by upper and lower walls joined by a connecting
strap 22 to check outward swinging movement of the
web, an upwardly projecting post on the upper wall over
element 23 when moved outwardly by the ?ngerpiece
said web, a lock element pivoted on said post below the
pull of the slider, part of this pull being indicated at 27
top thereof, there being a recess in said web opening
in FIG. 1 of the drawing.
The other end portion of the element 23 includes side 65 through the upper surface thereof, the lock element in
cluding a part extending in the direction of said recess,
plates 28, note FIGS. 2 and 3 of the ‘drawing, and the
and a shield ?xed to said post and arranged within side
forward end portions of these plates terminate in rounded
boundary edges of the lock element at one end thereof
Walls 29, note FIG. 1, between which, and the bevelled
when said lock element is in operative position to pre
wall 25’ of one of the elements 25, a crossbar 30, form
ing the pivot end of the pull, operates. It will also ap 70 vent depression of said end of the lock element external
ly of the slider.
pear that the top wall 11 of the slider has an upwardly or
2. A look slider comprising a channelled slider body
outwardly extending stop pin 31 which serves to check
3,026,590
3
4
de?ned by upper and lower walls joined by a connecting
web, an upwardly projecting post on the upper wall
over said web, a lock element pivoted on said post be
5. In a slider of the character described, the body
portion of which includes a post projecting from one
wall thereof, a lock element pivotally supported inter
low the top thereof, there being a recess in said web
opening through the upper surface thereof, the lock ele
ment including a part extending in the direction of said
ment comprising a pair of side plates disposed at outer
sides of the post, a bridging member joining the side
recess, a shield ?xed to said post and arranged within side
boundary edges of the lock element at one end thereof
plates in spaced relation to the post, a coil spring seat
ing in the slider body and on said bridging member and
mediate its ends on said post, one end of the lock ele
when said lock element is in operative position to pre
tensioned to normally support said element in operative
vent depression of said end of the lock element external 10 position, a shield ?xed to the post and arranged freely
ly of the slider, said lock element including a spring
within the side plates of said element, said shield hous
seating portion disposed over said recess, and a coil
ing said bridging member and part of said spring, ex
spring seating in said recess and on said portion and
posed surfaces of said shield being in alinement with
tensioned to normally support the lock element in op
exposed edges of the side plates when the lock element
erative position.
is in operative position to form a stop, preventing de
3. A lock slider comprising a channeled slider body
pression of said side plates from an external source
de?ned by upper and lower walls joined by a connect
which would result in movement of the lock element
ing web, an upwardly projecting post on the upper wall
into inoperative position, and the mounting of the shield
over said web, a lock element pivoted on said post be
on the post comprising stud means keying and alining
low the top thereof, there being a recess in said web
the shield within the side plates of said lock element.
opening through the upper surface thereof, the lock ele
6. In a slider of the character described, the body
ment including a part extending in the direction of said
portion of which includes a post projecting from one
recess, a shield fixed to said post and arranged within
wall thereof, a lock element pivotally supported inter
side boundary edges of the lock element at one end
mediate its ends on said post, one end of the lock ele
thereof when said lock element is in operative position
ment comprising a pair of side plates disposed at outer
to prevent depression of said end of the lock element
sides of the post, a bridging member joining the side
externally of the slider, said lock element including a
plates in spaced relation to the post, a coil spring seat
spring seating portion disposed over said recess, a coil
ing in the slider body and on said bridging member and
spring seating in said recess and on said portion and
tensioned to normally support said element in operative
tensioned to normally support the lock element in op 30 position, a shield ?xed to the post and arranged freely
erative position, and said shield including a key portion
within the side plates of said element, said shield hous
seated in an aperture in the upper surface of the web
ing said bridging member and part of said spring, ex
of the slider body.
posed surfaces of said shield being in alinement with
4. In a slider of the character described, the body
exposed edges of the side plates when the lock element
portion of which includes a post projecting‘ from one
is in operative position to form a stop, preventing de
wall thereof, a lock element pivotally supported inter
pression of said side plates from an external source
mediate its ends on said post, one end of the lock ele
which would result in movement of the lock element
ment comprising a pair of side plates disposed at outer
into inoperative position, and the free end portion of
sides of the post, a bridging member joining the side
said shield including a projecting portion engaging an
plates in spaced relation to the post, a coil spring seat 40 aperture in the slider body in de?nitely positioning said
ing in the slider body and on said bridging member and
free end of the shield on the slider body.
tensioned to normally support said element in operative
position, a shield ?xed to the post and arranged freely
References Cited in the ?le of this patent
within the side plates of said element, said shield hous
ing said bridging member and part of said spring, and 45
UNITED STATES PATENTS
exposed surfaces of said shield being in alinement with
2,373,523
Winterhalter ________ __ Apr. 10, 1945
exposed edges of the side plates when the lock element
2,487,386
Scheuermann _________ __ Nov. 8, 1949
is in operative position to form a stop, preventing de
pression of said side plates from an ‘external source
2,882,578
Morin ______________ __ Apr. 21, 1959
which would result in movement of the lock element 50 2,900,695
Morin _____________ __ Aug. 25, 1959,
into inoperative position.
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