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' 21,409,452
Filed March 6, 1945
. 4.
w . ‘w
Patented Oct. 15, 1946
~ ‘I 2,409,452
Edmund J. Stone, New York, N. Y. Y
‘ Application March 6, 1945, Serial No. 581,284
3 Claims.
(01. 287—3)
This invention relates generally to collapsible
closed in Figs. 1 and 2, a cane or walking stick
I0 and in Fig. 5 a tripod II. It will be under
or foldable devices and more particularly to a
deviceghaving foldable means joining together
sections of the device.
stood, however, from the following description
that the invention is applicable to other articles
or devicessuch as, for examples, umbrellas, table
legs, etc., wherein it is desired that adjacent sec
It is an object of the present invention to’ join
together sections of a member, such as, a rod,
tions be disposed either-in tandem and secured
staff, or stick by means of a foldable con
nection whereby the member may be folded with
in this relation or side by side to con?ne the
the sections in substantially parallel relation or
article or device in less linear space.
The cane or walking stick I0 is seen as com
the member extended with the sections connected l0
prising two sections I2 and I3 joined together
together in alinement.
_ .
It is a further object of the present invention
at I4. A handle I5 may be attached to section
to provide a joint for connecting, together two
I2. The abutting end portions I2a, and. I3a of
sections of a member, the joint having ‘a part
sections I 2, I3 are hollow to accommodate parts
?xed with relation to one of the sections and
of‘ the swingable joint connection generally indi~
another part slidable Within the other of the
cated by the, numeral IB.
Connection I6 comprises a pin or shaft I'I rig
sections, the two parts being pivotally connected
idly secured within the hollow I8 of section I3.
to a link, so that the two sections may be brought
Shaft I'I has a reduced threaded projection i9
into side-by-side relation, and the ?xed part and
link being extendible within the said other of 20 extending without section I3 and being provided
with a pair of spaced perforated earsor lugs 26
the sections so that both sections may be brought
to which is pivotally or swingably connected by
into contiguous alined relation.
means of pin 2| one end of a link 22. A shaft
Another object of the present invention is to
25 has at one of its ends a pair of spaced per
provide means for maintaining the said sections
25 forated ears 26 to which is pivotally or swingably
in contiguous alinement.
connected by means of a pin 21, the other end of
Further objects of the present invention will
appear from the following disclosure thereof to
link 22.
gether with the attached drawing which illus
Secured within the hollow 3|] of section I2 is an
trates certain forms of embodiment thereof.
internaly threaded thimble or bushing 3| prefer
These forms are shown for the purpose of illus
ably having an enlarged tapering opening 32 at '
trating the invention, and it is to be understood
that the various instrumentalities of which the
its inner end. Shaft 25 is arranged for sliding
within bushing 3| and is provided with an en
invention consists can be variously arranged and
largement 33 at its free end providing a stop
adapted to abut against the inner end of bushing
organized and that the invention is not limited
to the precise arrangement and organization of 35 3|. Link 22 is of such siZe as to pass through the
the instrumentalities as herein shown and de
threaded opening of bushing 3| following shaft
25; and the threads of projection I9 are adapted
In the drawing:
to engage the threads of bushing 3|, as clearly
Fig. 1 is a View illustrating a cane or walking
stick embodying the invention;
Fig. 2 is a view of the stick shown in Fig. l, in
folded condition;
Fig. 3 is a longitudinal detail sectional View of
the center portion of the stick shown in Fig. 1,
and disclosing the connecting joint;
Fig. 4 is a detail sectional view of the center
portion of the stick with parts of the connecting
seen in Fig. 3.
Let it be assumed that the sections I2 and I3
are in alined abutting relation as seen in Fig. 1,
at which time projection I9 is in screw-threaded
engagement with bushing 3| and shaft 25 and link
22 are housed within the hollow 3!] of member I2
beyond bushing 3|.
If it is desired to fold the cane or walking stick
so as to place he same, say, for example, in a
valise, suit case or the like, section I2 is dis
joint extended relative to the sections of the stick
engaged from section I3 by unthreading pro
and the sections disposed at an angle with respect
50 jection I9 from bushing 3| and pulling on section
to each other; and
Fig. 5 is a view of a tripod embodying the in
I3. Shaft 25 projects from the socket or bushing
vention, one of the legs being seen in partially
3| and the link 22 and extension It are wholly
foldable condition.
Referring now more particularly to the draw
ing which by way of examples, only, there is dis
disengaged from section I2.
Fig. 4 shows the disposition of the connecting
55 joint parts when the sections I2 and I3 are rel
atively at right angles during the folding opera
tion and Fig. 2 shows the relation of the sections
of the cane when the latter is almost in complete
folded position. The tapering or conical open
ing 32 prevents possible binding or impediment of
parts of the joint, particularly at the pivoted
points, during withdrawal thereof.
Referring to Fig. 5, it is evident that substan
tially the same type of connecting joint may be
employed for making the legs of a tripod foldable,
As changes of construction could be made
within the scope of the invention, it is intended
that all matters contained in the foregoing de
space permitting threaded engagement of said
element and said extension.
2. In an article of manufacture two members,
one of said members having a tubular internally
threaded portion and being hollow beyond said
portion providing a cavity, and means connect
ing said members together at said threaded por
tion and at an end of the other of said mem
bers, said means comprising a shaft movable in
said cavity and extendible from said threaded
portion, stop means preventing said shaft from
being withdrawn from said threaded portion, an
element ?xed to said end of said other of said
members, said element having a threaded ex
scription or shown in the accompanying draw
ing shall be interpreted as illustrative and not 15 tension adapted to threadedly engage said
threaded portion, and a link pivotally connected
in a limiting sense.
to adjacent ends of said shaft and said extension,
Having thus described my invention what I
said shaft and said link being adapted to pass
claim as new and desire to secure by Letters
Patent, is:
through said element into said cavity permitting
1. In an article of manufacture two members, 20 threaded engagement of said threaded portion
and said extension.
each of said members having a hollow end por
3. An article of manufacture comprising two
tion, and means connecting said members to
members, one of said members having ashollow
gether at said end portions, said means compris
portion, an internally threaded sleeve in said hol
ing an internally threaded tubular element ?tting
into one of said end portions, said element being 25 low portion, and means connecting together said
members, said means comprising pivotally con
less in length than the depth of said hollow
nected parts slidable through said sleeve to a
whereby a space is provided beyond said element,
position within said hollow portion, stop means
a shaft movable in said space and having its for
for maintaining connection between said parts
ward portion extendible from said element, stop
means preventing said shaft from leaving said 30 and said sleeve, an element ?xed to the other of
said members, said element having a threaded
space, a stud ?xed to the other of said members,
extension adapted to threadedly engage said
said stud having a threaded extension adapted
sleeve when said parts are passed through said
to threadedly engage said element, and a link piv
sleeve into said hollow portion.
otally connected‘ to adjacent ends of said shaft
and said extension, said shaft and said link being 35
adapted to pass through said element into said
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