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Патент USA US2404473

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July 23, 1946.
c. J. CHUNN
vGUSHIONED CLIP
File'vd May 25, 1944
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2,404,473
2,404,473
Patented July 23, 1946
“UNITE-o ‘STATES PATENT; OFFICE
2,404,473 ’
CUSHIONED our
Charles J. Chunn, Sierra Madre, Calif., assignor to
Adel Precision Products Corp., Burbank, Calif.,
a corporation of California \
,
‘Application May 23, 1944, Serial No. v537,011
10‘Claims. ‘((1248-74)
1
vAnother object is to provide clip of the char
This invention relates- to cushioned clips for
acter described in which a’ spring wire and a
supporting wire or conduit lines, particularly in
cushion strip‘ of the nature described are con-‘
aircraft where it is‘the practice to‘ secure various
structed and combined’ so that the ends ofsthe
wire and conduit/lines to structural parts past
and adjacent which parts such lines are extended; 5 Wire protruding from the ‘ends of the cushion pro-‘
vide a snap fastening means which will interlock
in order that the lines will be supported and held
with a‘ snap' action" on the forcing of said ends
in the desired out-of-the-way position and'pi‘o
together, and wherein the spring wire adds. to the
tected against cha?ng, damage and derangement. 7
cushioning and vibration dampening action of
An object‘of the invention is to provide a clip
the clip»
of the character described in which a yieldable 10
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With‘ the foregoing objectsin view together with ,
and ?exible cushion- strip of 'itself unsuited to use
such other objects and advantages as may sub
as a clip, and a wire, are constructed and come
sequently appear the invention resides in' the parts
bined in aparticular manner to form a composite,
and in the combination construction and arrange
form-retaining loop which is well suited for ad
vantageous use‘ as a'supporting clip in that it 15 ment' of parts as hereinafter described " and
has'iadequate strength and durability, requires
claimed, and as illustrated by way of example in' ‘_
less metal and cushion material, is‘lighter as to
the accompanying drawing in which:
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.Fig. 1 is a perspective view of a clip embodying
weight, more ?exible, easier to manufacture and
install and subject’ to production at lower cost
Fig. 2 is a vertical sectional view of the 'clip as
than cushioned clips as heretofore made, particu- 20
it would appear when installed to support a group
larly a clip in which the loop ‘is made. of strap
or bundle of wires?
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metal and lined with a cushion strip having re
my invention:
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Fig. 3 is a cross sectional view taken on the line
bent ?anges to hold the strip on the loop. '
3—3 of Fig. 2:
Another object‘of' my invention is to provide
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Fig. 4 is a perspective view of a modi?ed form
a clip such as described‘ whlch'rmay be readily 25
of clip embodying my invention:
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clamped around the wires or. conduit before or
Fig. 5 is a vertical sectional view of the; clip
after af?xation to the support and readily opened
shown in Fig. 4,as it would "appear when installed
in either case to replace, remove or install ‘the
to support a‘ conduit:
wires or
conduit;
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A further object is to provide a vclip such- as 30 ;, Fig. 6 is a sectional view taken on the'line 6-6
of'Fig.5:‘
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described in which a single resilient ‘wire'and a
Fig.
'7
is
a
fragmentary
view
partly
topplan
cushion ‘strip of soft elastic rubber or the like are
and‘ partly in horizontal section showing ' the
so constructed and combinedas to form a readily
applicable clamping and supporting loop having -
manner in which the end portions will snap past
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a high degree of cushioning and vibration damp- 35 one another into interlocked relation: .
Fig. 8 is‘ a-sectional view ‘taken on the line 8—-8
ening action as well as strength and durability.
of Fig. 7 showing how the clip is transversely
Another object is to provide a clip ‘of the char
compressed and expanded in the operation of
acter described in which a normally open loop
interlocking
the . ends thereof 'in the manner
formed of soft cushioning material is reinforced
by a wire having end portions which protrude 40
from the ends of the loop and are constructed
showninFig'l.
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The embodiment of my invention shown inithe
accompanying drawing comprises a clip including
and arranged as coacting fastening elements for
interlocking and» holding the loop closed;and
an open loop generally designated A adapted-‘to
embrace a group of wires 10 as shown in Fig. 2,
clamped on the wires or conduit when the end
portions are brought together either” before or 45 or a conduit H as shown in Fig. 5 and to‘ be se
cured by means of a bolt‘ [2 and a nut l3 to a
after the mounting of clip on the support; there
by facilitating the installation- of :the- clip.
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support I4.
1
A further objectis to provide a clip such as
described in which one end portion of the wire-is
It has been the practice in this art to form the
clip of a resilient metal strap bent to provide a
mounted on a screw or bolt carried by, the support
for the clip, either before or after the two end
end portions which are forced together to close
the loop and clamp it around wires or a conduit,
at least one vof said end portions affording the
formed so, that the clip mayvbelquickly and easily- 50 normally open loop having outwardly extended
portions of the ‘wire are locked together, said end
formation also making it possible toyinsert the
mounting of the vclip to» a support. Usually these
fastening screw or bolt therethrough to secure it’ 55 clips have‘ their strap'metal loops lined vwith
cushion strips of vrubber or the like for embracing '
to the support before or after looking the ends
and protecting the wires or conduit. In some
together, whereby the different modes of‘installa
instances the end portions of the loops of these
tion thus affordedmake it possible to readily in
clips are provided with interlocking elements or
stall the clip in the manner ‘best suited to the
particular support or particular installation space; 60 hooks to hold the loops closed around thewires:
In order to conserve metal, reduce weight,vin-_
available,
2,404,473
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crease ?exibility and the cushioning action and
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latter is mounted on. the support, so that the
bolt‘ willI snap into the eye: and maybe quickly
reduce the cost of manufacture and' installation
of a. conduit or wire embracing clip‘ of they type
heretofore used, the loop A’of my improved clip
is primarily made of a cushion strip I5 which is‘;
yieldable and ?exible, but of itself not suited. to.v
tightened to hold theclip in place." @nloosening ~
the bolt the clip may be removed therefrom.
{When the bolt is tight, the hooks 20 may be dis
engaged from the end portions 2| so that the loop
use as a supporting loop, which is reinforced and " ' will“ spring open for the purpose of removing or
made form-retaining by means. of a wire:.l‘6,the.‘ ' replacing. wires or the conduit.
cushion strip ‘being of, no greater extent than: "
those heretofore used, and in- fact, being produced-i
with less cushioning material and havingélessbulk 3
than the rebent flange types of cushions hereto?
It should? be noted that the loop A may be
‘formed with the‘ ribs 23 of the cushion strip l5
disposed on. the. inner face of the loop as shown
in Figs. 1', 2 and‘ 3, or uponthe outer face of the
1 fore employed. The cushionstrip is preferably ' _ loop as shown in Figs. 4, 5 and 6, there being an
a ‘. made of_ soft rubber or; synthetic rubber and is
effective cushioning action with either arrange
1- somewhat elastic, but could be made .of any meld
ment of the ribs. Breferably the ribs l'l- are
able' and ?exible cushion ‘material. The wire 16
ismade of considerably less metal than the afore
. formed to ext-end. adjacent.v the longitudinal or
side margins oi the-cushionstrip; ' 'Iihewireloops
said _metal- strap, is‘ muchv ‘lighter, has less’ bulk ' 4:8 and I9’ may be spaced-apart a distance less
and.v is appreciably reducedv as to weight. The
'thanthe space between therbores- of: the tubular
wire‘ I‘G- should‘ be of such stiffness as to make 20 ribs? so’ that said wire loops: especially.» if. made. of
-‘ the. loop. forin~retaining and bendableand pref- .
spring. wire will: exerta force to. ‘draw the ribs
‘ erablyr'but not~ necessarily; resilient. However, 1 toward; ‘oneanother. thereby- giving’ the cushion
spring'wire may be used; \and- in such case the
strip :aconvex formation in crossisectiorr andien
; form-retaining and cushioning qualities of the
hanci'ng-the cushioning actions.
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1 loop‘ are: increased and the loop has a- decided 25 " When the=hookszzlfarevforced against‘the end
spring action.
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. As'her'e,provideditheloopiA of cushioning ma- ‘
‘ terial. is maintained'irr the desired open loop form
portions 2 I‘ as shown inFig- 'L'the relatively thin
and ?exible portion ofrthe: cushion. between the
ribs will be folded and’ compressedras shown in
~ . by the: formation of the-wire l6 and'themanner
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Figs. ‘land 8 as said hooks: are forced toward one
in which ‘it is combined with. the cushion: strip. 30 another. so» thatuonce: past; the: portions 2"] they
The wire extendsilongitudinally'of the cushion'so .
will snap-*intoi hooked engagement: with them.
i as- to bee-covered thereby and may be embedded
, therein or in any manner united therewith pro- >
; vide'd- it is in'separably' combined. therewith’ and a
The cushion stripvin: springing-back to: normal
shape aids in thisv action and.‘ together-with the
1 covered thereby except beyond‘ the ends of the
spring‘ wire loops‘causes a tensionedxinterlocking .
of‘ the “ends” of' the loopr.
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1 cushion, where portions of the wire, as will‘ be ,
, hereinafter described, form “‘end”‘portions-a?ord
similar cushioning: material which needs not be
The cushion may'b'e'lmadeiof felt: or some other
ing the holding of the loop closed and the'mount
rubber-like or elastic.‘ However asloft and elastic
‘ ing of the loop: on- the support.I M‘.
rubber or ‘synthetic' rubber cushion. may beiu'sed
In the present instance the cushion strip is 40 with spring or other wire and will provide‘ a
. provided with integral; tubular cushioning ribsv l1
most e?ective clamping ‘loop,- in accordance with
extending longitudinallyjthereoi‘f and the wire is
this invention. ; The main requirements as. to- the
. bent‘or doubled intermediate itsends to form a
wire and cushion as here combined are that the
1 pair of circular, open and parallel: loop portions
wire mustv have‘ sufficient stiifness' to‘ give a
. l 8 and I9 which are mounted in the tubular ribs. 45 cushion strip of‘ yield'able flexible 'material isu?l
. The wire may be ?rst'rbent into hair-pin shape
so-that itstwo legs-which are’ to form the loop
'cient strength and? "form retaining qualities to
provide a loop as here'shown' for securely holding
the wires or conduit in place and "at the‘ same
portions may be extended through the tubular
jribs, after which- the legs are bent‘ to form the
‘two loop portions which therefore bring’the
:cushion‘ into and maintain it in corresponding
jloop formation as shown in Fig; 1, or the wire
.may be ?rst bent to form: the loops and then
inserted through the ribs IT.
The free ends of the: wire [6 are formed as
50
time the wire must provide'end formations af
fording the fastening of the loop to asupport ‘and
preferably the detachable fastening of the ends
of the loop together in themanner here shown;
While I‘have shown and described‘ speci?c e'me
bodi'ments of my'invention I, do not limit‘myself
to the exact details-ofvconstru'ctiorr set forth, and
‘hooks 20'» extended outwardly from one end of
the invention embraces such changes, modi?ca
the cushion. The other or doubled end portions
tions and equivalents of the parts and'their for
21 of the wire are likewise extended outwardly
.mation and arrangement as come within the pure
‘from the other end of the cushion and bent to
view of. the appended claims.
‘form an open eye-2'2 for reception of the screw 60
I'claim:
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I2. .Theend portions 2| have offsetting bends‘
1. In a clip for supporting wires or a conduit,
.whereby‘the eye {22 is offset to engage the sup
a, strip‘ofi'?exible cushioning material adapted to
port M as shown in Fig. 2 and permit of an easy
form an open Ioop'for embracing and supporting
Til-coking of the hooks 2a- around the end portions
wires or a conduit, and a spring reinforcing and
2l- as shown in Fig. 2, as well as a ready unhook 65 form-retaining wire combined with said strip and
ling action. 7
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It should be noted that the loop A may be
clamped» around the wires or‘ the conduit either
before-or after the clip’is mounted on the support.
is accomplished by forcing the hooks 28‘
‘against the end portions 2| as shown in Fig. 7,
so that‘ said hooks will snap past said end por
tions and hook thereto. When the “ends” of the
loop are thus interl'ockingl'y engaged the open eye
22' may be pulled against the bolt F2‘ after the
formed so as to maintain the strip in the form
of ya tensioned loop having'normally spaced apart
ends adapted to be brought together to close the
loop and clamp it‘ around the wires or a conduit.
' 2. In a clip for supporting wires or a conduit,
a strip of'?exible cushioning material adapted to
form an open loop for embracing and supporting
wires or a conduit, and a reinforcing and form
retaining w-i-re combined; with said strip and
formed so as to maintain the strip in the form
2,404,473
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6
,of a loop having normally spaced apart ends '
in spaced substantially parallel relation within
adapted to be brought together to close the loop
3. In a clip for supporting wires or a conduit,
the strip, and tubular cushioning ribs on said strip.
in which ribs said loops are mounted.
8. In a clip for supporting .wires or a conduit,
a strip of ?exible cushioning material adapted to
form an open loop for embracing and supporting
wires or a conduit, and a reinforcing and form
a strip of ?exible cushioning material adapted to
form an open loop for embracing and supporting
formed so as to maintain the strip in the form
and clamp it around the wires or a conduit, and
an end portion of said wire extending beyond an
end of said strip and adapted to be secured to a
support to fasten the clip thereto.
wires or a conduit, and a reinforcing and form
retainin-g wire combined with said strip and
formed so as to maintain the strip in the form
of a. loop having normally spaced apart ends
adapted to be brought together to close the loop
and clamp it around the wires or a conduit, a
portion of said wire extending beyond an end of
the strip and bent to form an eye for reception
of a fastening to secure the clip to a support, and
retaining wire combined with said strip and
of a loop having normally spaced apart ends
adapted‘ to be brought together to close the loop
and clamp it around the wires or a conduit, said
wire being bent to form a pair of open loops
lying in spaced substantially parallel relation
within the strip, and tubular cushioning ribs on
said strip in which ribs said loops are mounted,
a doubled portion of said wire extended from one
end of the strap forming at its outer end an open
eye for reception of a fastening for securing the
hook means formed by offset terminal bending
of said wire and extending beyond the other end
of said strip and adapted to be hooked to said
clip to a support, and hooks on the free ends of
said wire extending from the other end of the
portion of the wire to secure the ends of the
strip, and adapted to be hooked onto said doubled
loop together to close the loop and clamp it
portion at a point between the eye and the adja
around the wires or conduit, said hook means and
cent end of the strip.
eye preventing the removal of the aforesaid strip
9. In a clip ‘for supporting wires or a conduit,
a strip of ?exible cushioning material adapted to
form an open loop for embracing and supporting
of cushioning material from said wire.
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4. In a clip for supporting wires or a conduit, a
strip of ?exible cushioning material adapted to
form an open loop for embracing and supporting
wires or a conduit, and a reinforcing and form
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wires or a conduit, and a reinforcing and form
retaining wire combined with said strip and
3 0 formed so as to maintain the strip in the form of
formed so as to maintain the strip in the form
a loop having normally spaced apart ends adapted
to be brought together to close the loop and clamp
of a loop having normally spaced apart ends
adapted to be brought together to close the loop
it around the wires or a conduit, said wire being
bent to form a pair of open loops lying in spaced
and clamp it around the wires or a conduit, said
wire extending along the strip so as to be covered
thereby to prevent contact of the wire with the
wire or conduit supported in the loop.
substantially parallel relation within the strip,
and tubular cushioning ribs on said strip in which
ribs said loops are mounted, a doubled portionrof
retaining wire combined with said strip and
5. In a clip for supporting wires or a conduit, a
strip of ?exible cushioning material adapted to
form an open loop for embracing and supporting
said wire extended from one end of the strip
forming at its outer end an open eye for recep
tion of a fastening for securing the clip to a sup
port, and hooks on the free ends of said wire ex
tending from the other end of the strip, and
adapted to be hooked onto said doubled portion
retaining wire combined with said strip’ and
at a point between the eye and the adjacent end
formed so as to maintain the strip in the form
of a loop having normally spaced apart ends 45 of the strip, the material of said strip adjacent
to said other end thereof between said ribs being
adapted to be brought together to close the loop
sufficiently ?exible to permit the lateral move
and clamp it around the wires'or a conduit, and
ment of the wires incident to their being hooked
at least one tubular cushioning rib formed on said
onto said doubled portion as aforesaid.
strip, said wire being extended through said tubu
10. In a clip for supporting wires or a conduit,
lar rib and projecting from each of its ends, the
a strip of ?exible cushioning material adapted to
projecting end portions of said wire being so con
form an open loop for embracing and supporting
toured as to prevent its withdrawal ‘from said
wires or a conduit, and a reinforcing and form
strip.
6. In a clip for supporting wires or a conduit, a
strip of ?exible cushioning material adapted to
form an open loop for embracing and supporting
wires or a conduit, and. a reinforcing and form
retaining wire combined with said strip and
formed so as to maintain the strip in the form of
wires or a conduit, and a reinforcing and form
retaining wire combined with said strip and
formed so as to maintain the strip in the form of
a loop having normally spaced apart ends adapt
ed to be brought together to close the loop and
clamp it around the wires or a conduit, said wire
being bent to form a pair of open loops lying
a loop having normally spaced apart ends adapt (50 in spaced substantially parallel relation within
the strip, and tubular cushioning ribs on said
ed to be brought together to close the loop and
clamp it around the wires or a conduit, said wire
being bent to form a plurality of open and sub
stantially circular loops.
7. In a clip for supporting wires or a conduit,
a strip of ?exible cushioning material adapted to
form an open loop for embracing and supporting
wires or a conduit, and a reinforcing and form
retaining wire combined with said strip and
formed so as to maintain the strip in the form
of a loop having normally spaced apart ends
adapted to be brought together to close the loop
and clamp it around the wires or a conduit, said
wire being bent to form a pair of open loops lying
strip in which ribs said loops are mounted, a
doubled portion of said wire extended from one
end of the strap forming at its outer end an open
' eye for reception of a fastening for securing the
clip to a support, and hooks onythe free ends of
said Wire extending from the other end of the’
strip, and adapted to be hooked onto said doubled
portion at a point between the eye and the adja
cent end of the strip,‘ said wire being resilient.
and sti? so that said hook ends will snap into
hooking position on forcing the ends of the loop
together;
CHARLES J. CHUNN.
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