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Патент USA US3096128

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July 2, 1963
3,096,110
T. CANTOR
CLAMP
Filed Jan. 7, 1963
BY
United States Patent C "ice
ì'dghl l@
Patented July 2, 1963
1
2
3,696,110
The body 4 is provided with an axially extending slot
16, ywhereas the body 6 is provided with Aan axially ex
CLAMP
tending slot 18.
Theodore Cantor, Yonkers, NX., assignor to Manostat
Corporation, New York, NSY.
Filed Jan. 7, 1963, Ser. No. 249,891
9 Claims. (Cl. 287-54)
.
‘
_
The slot 16 opens at the end 10 and terminates re
motely of said end in a semi-circular extremity Ztl. The
slot 18 opens at the end 14 of body 6 and terminates
remotely of said end in a semi»circular extremity 22.
This invention relates to clamp structures and, more
particularly, to clamps adapted for use in connection
with frame assemblies.
`
It is an object of the invention to provide an improved
clamping structure.
,
‘
It is a further object of the invention to provide an
improved clamp consisting of two substantially identical
parts 'adapted for being manufactured with mass produc
tion techniques.
A
_
'
It is a further object of the invention to provide sub~
stantia-lly identical clamping elements which, when held
together in mating engagement, provide two spaced circu
larv passages or the like arranged at right angles to one
The slots 16 «and 18 are of .a predetermined width W
which is equal to the diameters of semi-cincular ex
10 tremities 20* and 22.
The body 6 is provided with first and second shoul
ders 24 and 26 on opposite sides of the branch 2S of
the body 6, which branch is positioned to one side of
the slot li8. Branch 28 terminates in a semi-cincular
profile 38 which is of the same diameter as semi-circular
extremities 2€) and 22. Body 8 is also provided with
two shoulders of which only the shoulder 32 is visible
in FIG. l.
vBody 6 includes a shoulder 34 which is the sole
20 shoulder ia-djacent branch 36 on the side of slot 18 oppo
site that occupied vby branch 28. Branch 36 terminates
l in a semi-circular'proñle 38 which is coaxial with proñle
Still another object of the invention is to provide im
proved clamping elements which |are Ireadily held to
30 and which is ofthe same diameter as profile v30'. Body
gether in mating engagement.
f
8 has a shoulder 46 coi-responding to the shoulder 34
ln *achieving the above and other of its objectives, the 25 of fbody 6.
invention contemplates the provision of la clamp consist
Branches 2S Vand 36 of body 6 have 1a width which is
equal to width W of the aforesaid slots. The branches
ing of first and second elements adapted for being »con
nected in mating engagement. Each of the aforesaid ele
of body S are of the same width. As a matter of fact,
another.
"
`
‘
ments comprises a lgenerally `cylindrical body having oppo
the bodies 6 and 8 heretofore described are identical to
site ends and provided with an axially extending elongated 30 each other in the characteristic dimensions which have
been thus -far mentioned.
slot of `determinable width which opens `at one of these
ends and which terminates in a semi-circular extremity
Body 8 is provided with a radially extending opening
42, the body 6 being provided with a corresponding open
ing 44. The purposes of these openings will become here
inafter apparent.
remote from this end. The body, moreover, includes
branches on opposite sides of the slot, the branches being
of a width equal to the aforesaid width land including
free end portions having semi~circular profiles of the same
Bodies 6 yand 8 are ìdiiferent solely with regard to the
openings `46 and 48 provided therein. Whereas the open
ing 46 is a smooth bore extending axially completely
of the invention, the aforenoted body includes first and 40 through the ybody 8, the opening 48 is a threaded bore
which need extend only partially through the body 6.
second shoulders on opposite sides of one of the above
diameter as the aforesaid semi-.circular extremity.
In further accordance with the preferred embodiment
The purpose of openings 46 land 48 is to accommodate
noted branches and ‘at one side of the .associated slot and
a threaded bolt 50 which passes completely through the
a single further shoulder on one side of the other of the
body 8 and threadably engages in opening 48 to 'lock the
branches on the other side of the said slot.
The branches of each body are accommodate in the 45 bodies 6 and S together in mating engagement tas illus
trated in FIG. 2.
'
l slot of the other body ywith the shoulders of the respec
In FIG. 2 it is seen that, for example, semi-circular
tive bodies in an abutting relationship so that’the semi
extremity 28 and semi-'circular profile 38 :cooperate to
define la circular passage 52, Whereas a semi-circular
aligned circular passages spaced from one another.
In further accordance with the preferred embodiment 50 passag`e‘54 perpendicul-arly ‘disposed relative to passage
52 is spaced from the latter. In said passages are re
of the invention, 'one'of the elements is provided with
spectively accommodated rods 56 and 58 which may
an axial-ly extending bore passing completely there
'constitute parts of a fname not shown in entirety. To
through, whereas the Vother of the elements is lprovided
lock said rods in position, set screws (not shown) are
with a threaded bore Yaligned with the first Ysaid bore so
that a threaded bolt can be employed to hold these ele 55 provided in openings 42 and 44.
vltßwill be noted that «one of the two branches fof each
ments together.
body is provided with a Ithickness L which is substantially
As »will be noted from the description which follows,
greater than the thickness of the other branch. This
the elements of the invention are very readily combined
means that the larger thickness provides a bearing surface
and may be manufactured at a comparatively low cost.
Other objects, features and advantages of the invention 60 whereas the other branch is a positioning member, the
rod bearing in entirety `against the bottom 'of the slot of
will be found in the fol-lowing detailed ydescription of 1a
the cooperating member.
preferred embodiment as illustrated in the accompanying
It will now appear that a very simple and economical
drawing in which:
'
clamping structure has been provided which is readily
FIGURE l is an exploded view 4of a clamp provided
circular profiles and extremities define perpendicularly
lin accordance with the invention; and
>
FIGURE 2 illustrates the clamping elements assembled,
with rods accommodated therein being show-n in phan
tom.
~
65
adapted to mass production techniques.
There will now be obvious to those skilled in the art
many modifications rand variations ‘of the structure set
forth above. These modifications and variations will not,
however, depart from the scope of the invention if defined
The illustrated clamping apparatus includes first and
by the following claims.
second elements consisting of generally `cylindrical bodies 70
What is claimed is:
'
‘
4 annd 6, the body 4 having an end 3 and an end 19 and
1. Apparatus comprising ñrst and second elements
the body 6 having an end 12 and an end 14.
adapted for being connected in mating engagement, each
3,096,110
4
erally cylindrical body having opposite ends and being
said element comprising a body having opposite ends
and being provided'with an axially extending elongated
provided with an axially extending elongated slot of `de
' slot of determinable width opening at one ‘of said ends
terminable width `opening at one off said 'ends and termi
nating in a semi-circular extremity remote from said one
and terminating inra semi-circular extremity remote from
said one end, said body including branches on 'opposite
sides of said slot, said branches being of said Width and
including 4free end portions at said one end, said 'free end
portions having semi-circular profiles of the sam-e diam
end, said body including branches on opposite sides of
said slot, said branches being of said width and includ
ing free end portions at said one end, said -free end por
tions having coaxial semi-circular proñles of the same
diameter as the semi-circular extremity, said body in
eter as the semi-circular extremity, said body including ’
shoulders adjacent said branches, the branches ¿of each 10 cluding first and second shoulders on opposite sides of
one of said branches at one side ‘oi said slot anda single ,
body being accommodated in the slot of the other body
further shoulder on one side of the other of said branches .
with the shoulders of the respective bodies in abutting re
on the other side of said slot, the branches of each body
lation whereby the semi-circular profiles land extremities
being accommodated vin the slot of the Vother body with
deñne circularV passages spaced from one another.
15
mating engagement, each said element comprising a body
the shoulders of the respective bodies in abutting rela
tion whereby the semi-circular proñles and extremities
having opposite ends and being provided with ran axially
extending elongated slot of determinablle Width opening
from 'one another, and means to hold said elements to'
at oneV of said ends and terminating kin 'a semi-circular
gether.
extremity remote from said one end, said body including 2o
6. A clamp element comprising a generally cylindrical
body having opposite ends and being provided with an
axially extending elongated slot of determinable width
2. A clamp comprising ñrst and second elements in
define perpendiciilarly aligned circular passages spaced
branches on opposite sides of said slot, said branches be
ing of said Width and including free end portions at `said
one end, said free end portions having coaxial semi-cir
opening »at one of said ends and terminating in a semi- Y
circular extremity remote from said one end, said body
cular proñles of the same diameter as the semi-circular
extremity, said body including shoulders adjacent wat least 25 including branches on opposite sides of said slot, `'said
branches being of said width and including free ‘end por
‘one of said branches, the branches of each body being
Yaccommodated in the slot `of the other body with the
:shoulders of the respective bodies in abutting relation
whereby the semi-circular proiiles and extremities define
penpendicularly aligned circular passages spaced from one 30
another, and a .threaded means to hold said elements to~
gether.
Y
,
tions at said one end, said free end portions having co
axial semi~circular proñles of thesame diameter as the
semi-circular extremity, said body including first and sec
ond shoulders on opposite sides of one of said branches
at one side of said slot and a single further shoulder on
one side of the other of said branches on the other side
of said slot, said body being provided with 'an axially
3. A clamp comprising first and second elements in
mating engagement, each said element comprising 5a body
aligned threaded bore.
having opposite ends and being provided with anA axially 35 7. A clamp element comprising a generally cylindrical
extending elongated slot of determinable width opening
at one of said ends and terminating in an yarcuate extrem
ity remote from said lone body, said body including
branches on opposite sides of said slot, said branches
being of said width and including free end portions >at
said one end, said free end portions having arcuate pro
iiles, said body including iirst and second shoulders on
circular extremity remote from said one end, `said body
including branches `on ‘opposite sides of said slot, said
branches being of said width and including free end por
opposite sides of one of said branches at one side of
said »sl-ot and a single further shoulder on one side of
the other of said branches ion the other side of said slot,
semi-circular extremity, said body including ñrst and sec
opening at one of said ends and terminating in a semi
tions at said one end, said free ‘end portions having co
axial serni-circular proliles -of the same diameter as the
the branches of each body being accommodated in the
ond shoulders on :opposite sides of one of said branches at
one side of said slot and »a single further shoulder on one
slot of the other body with the shoulders of the respec
side of the other of said branches on the other side of said
tive bodies in abutting relation whereby the profiles and
slot, said body being provided with an vaxially extending
bore passing completely therethrough.
extremities define perpendicularly aligned passages spaced
from one another, and means to hold said elements to
"
body having opposite :ends and being provided with an
axially extending elongated slot of determinable width»
. gether.
4. A yclamp comprising a pair of elements in mating
engagement, each said element comprising 'a generally
cylindrical body having opposite ends and being provided
8. A clamp comprising ñrst and second elements in
mating engagement, each said element comprising a gen
erally cylindrical body having opposite ends and being ~
provided with an axially extending elongated slot of de
terminable width opening at one of said ends and termi
with an axially extending elongated slot of determinable
~ nating on `a semi-circular extremity remote from said one
width opening at one of said ends and terminating in a
semi-circular extremity remote from said one end, said
end, said body including branches on opposite sides of
body including branches on opposite sides oi said slot,
free end portions at -said one end, said tree end portions
having coaxial semi-circular profiles of fthe same diameter
`as the semi-circular extremity, said body including ñrst
said branches being of said width and including free end
portions at said one end, said free end portions having
coaxial semi-circular proñles of the same diameter as
the semi-circular extremity, said body including ñrst and
second shoulders on opposite sides of »one of said branches
at one -side of said slot and a isinglerfurther shoulder on
ione side of the other of said branches :on the yother side
of said slot, said one branch having a substantially great
er thickness than the said other branch, the branches of
each body being accommodated in the slot of the other
body with »the shoulders of the respective bodies in abut
ting relation whereby the Senn-circular profiles and ex
tremities define perpendicularly aligned circular passages
said slot, said branches «being of said width and including ,
and second shoulders on opposite sides of one of said
branches yat one side of said slot and a single further shoul
der on one side of the other of said branches on the other
side of said slot, the branches of each body being accom-Y
modated in the slot of the other body With the shoulders
of the respective bodies in abutting relation whereby the
semi-circular proñles and extremities define perpendicu
larly aligned circular passages .spaced from one another,
one of said elements being provided with an axially ex
tending bore passing completely therethrough and the
other of said elements being provided with a threaded
bore aligned with the iirst said bore, and a threaded bolt
engaged in said bore to hold said elements together.
ments together.
9. A clamp comprising first and second elements in
5. A clamp comprising first and second elements in
mating engagement, each said element 'comprising a gen 75 mating engagement, each said element comprising a gen
spaced from one another, and means to hold said ele
3,096,110
5
6
erally cylindrical body having opposite ends and being
of the respective bodies in abutting relation whereby the
semi-circular proñles and extremities define perpendicu
larly :aligned circular passages spaced from one another,
provided with an `axially extending elongated slot of de
terminable Width opening at one of said ends »and termi
nating on a semi-circular extremity remote from said one
end, said body including branches on opposite sides of
said slot, said branches being of said Width and including
one »of said elements being provided With an axially ex
tending bore passing completely therethrough and Ithe
other of said elements being provided with a threaded bore
free end portions at said one end, said lfree end portions
aligned with the first said bore, a threaded bolt engaged
having coaxial semi-circular profiles of the same diameter
in said bore Ito hold said elements «togthen and means to
yas the semi-circular extremity, said body including ñrst
engage rods accomomdated in said circular passages.
and second shoulders on opposite sides of one of said 10
References Cited in the file of this patent
branches at one side of said slot and a single further shoul
der on one side of the >other `of said branches on the other
UNITED STATES PATENTS
side of said slot, the branches of each body being accom
Steinmayer ____________ __ June 5, 1930
1,950,635
modated in the slot of the other body with the shoulder
2,942,899
-Rifken ______________ __ June 28, 1960
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