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O. H. NEWTON.
NUT.
‘
‘
APPLICATION FILED NOV. 29, 1912._ ,
1,086,687.
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Patented Feb. 10, 1914.
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STATES PATENT OFFICE. unmas- Ir. nnw'ron, or rrantvrm-n, connncrrcur.
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1,086,687.
To
Speci?cation or Letters Patent.
‘.Patented Feb. 10,1914. '
Application ?led nevem'ter 29, mm Serial No. 734,014‘.
it
concern‘:
Be
., i_ known that . 1, CHARLES
a
'
sleeve, instead of where it is placed in both
H- NEWTON,
sides so that the sides must meet with con
acitizen of the United States, residing at siderable exactness to prevent material dis
Plainville, Connecticut, have invented cer tortion of the continuity of the thread.
tain new and usefullmprovements inNuts,
In the form shown in Figs. 4 and 5 the un
of which the following is a speci?cation. _ threaded~ side of the sleeve is formed upon a
60
My'invention relates to a nut which 1s curve of a longer radius than the threaded
formed of comparatively thin sheet metal ~side, and the center of the curve is brought
10
doubled over or bent upon itself andformed nearer than its ends to the center of the
around a central bore, instead of being sleeve with the result that a screw meshing 65
turned or died in the form, of a solid block with the threaded side of ‘the sleeve is en
ashis the usual method; and my improve . gaged only by the central portion of the un
ments consists in the particulars hereinafter ' threaded side, which permits of easy ad
16
pointed out.
the
justment of the nut on the screw and which
Figure 1 is a top view, also minimizes the importance, of perfect
Fig. 2 is a side view, partly in sectlon and accuracy in the formation of the opposite ‘
looln'ng from below on Fig. 1; F1 . 3 1s a sides of the sleeve;
side view, partly in section looking 7 m the 1 . Owing to the fact that the opposite sides of e
20
25
side on Flg. 1; Fig. 4 is a top view of a the sleeve are not positively fastened to each
modi?cation and F1g.‘_5 is a cross seetienel other they will yield slightly outward if 75
view of the same. modi?cation; and Fig. 6 su?icient pressure is exerted. And if the
is a view similar to Fig. 2 but showing an sleeve ‘is slightly contractedv toward its top
exaggerated taper of the sleeve in order to as is illustrated on an exaggerated scale in i
better illustrate the spring feature of the Fig._ 6, the bolt or screw may be readily
nut.
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entered from below and will bind more and
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Similar reference numerals designate simie more as it advances through the nut the sides
lar parts in all the ?gures. .
of which will spring outward and separate
In forming the nut a comparatively thin slightly if the bolt is of su?icient size to
’ strip of sheet metal is employed. And this produce that result; and- the sides will bear
strip is pierced with a hole 1, and, is doubled upon the bolt with a spring grip which will
upon itself from either side at 2, 2 and is tend to lock the nut upon the bolt and pre
then bent upward at 3, 3, and extended and vent its too easy displacement.
drawn into the form of the tubular sleeve 4, egreByemeans of my invention I am able -to
the edges of the metal forming the ?at produce a nut by a series of operations or
?anges 5, 5 which meet from opposite sides. manipulations performed upon a single
but are not, necessarily secured to each other. strip of sheet metal, during which it is per
The doubling of the strip upon itself at 2, 2, forated, bent upon itself, formed up and
causes the folds forming the head to be threaded so as to make a completed nut, the
brought into close contact with each other. operations being simple, consecutive and '
40 In the drawings the lines de?ning these folds nearly all mechanical, resulting in no waste 95
are, for clearness, shown as distinct. But I of the metal, except what is removed from
use the phrase “ doubled upon itself ” to in
dicate a close contact of the folds.
the hole 1, and'producing at a low cost a
spring nut which is both novel and el?cient.
The interior of the sleeve 4 is provided _ It will be observed that the side ?anges
with a thread 6, which may extend entirely 5, 5, forming wing-like extensions from the
around the inside of the sleeve as in Figs. 1, sleeve of the nut, afford an excellent grip
100.
2 and 3 or which may extend but part way for the ?ngers in manipulating the nut, while
the rectangular base presents a suitable grip I
around as in Figs. 4 and 5. Those skilled in
the art will understand that the thread may
50 be stamped in the metal of the nut; during
the process of forming it up, and before the
sides of the sleeve have been brought to
gether; and that a less degree of accuracy
for a wrench or other tool when a tool is .
needed in adjusting the nut.
It will be readily understood that details
of construction may be modi?ed. without‘de
parting from the invention herein described
105
of manipulation will be required where the and claimed. Thus the corners of the nut
' thread 1s placed in one side only of-the may be rounded as shown in Fig. 4:. , And. 110
noaaesv
the interior thread might be continued form the sides of a central, interiorly
through the hole 1, in‘ case the metal is of
su?cient thickness to make that desirable.
threaded sleeve.
30
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4. A nut formed of a single piece of sheet
Having thus described my invention what metal folded into close contact with itself
I claim and desire to secure by Letters Pat to form a head of double thickness and ex‘
ent of the United States is,
tended at an angle to the head into a split,
1. A nut formed of a single strip of sheet central sleeve the meeting edges whereof are
metal having a central hole, the strip being extended into lateral ?anges.
folded inward from each end to meet around
5. A nut formed of a single piece of sheet
v10 said hole and being provided with means metal folded into close contact with itself
for engaging in the groove of a threaded to form a head of double thickness and ex
shank, and the folds in the metal being in tended at an angle to the head into a cen
close contact with each other and forming a tral sleeve with a tapered, threaded bore
head of double thickness.
therein.
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40
2. A nut formed of a single stri of sheet
6. A nut formed of sheet metal doubled
and into upon itself to form a head and extended at
close contact with itself to form an apertured an angle to the head into a central sleeve
head of double thickness and the ends of the with a bore the opposite sides of which are ‘
a metal folded, inward from each en
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strip being then extended at an angle to the
struck on dilferent radii.
head to form the sides. of a central sleeve
7. A nut formed of sheet metal doubled
upon itself to form a head and extended at
provided interior-1y with means for opera
,
tivel engaging in the groove of a, threaded an angle to the head into a central sleeve
s
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an
.
.
3. A nut formed of a single strip of sheet
metal] folded inward from each end into
close'contact with itself to form a head of
doublethickness and the ends of the strip
being extended at an angle to the head to
with a bore inwardly contracted on one side.
CHARLES H. NEWTON.
Witnesses:
v
CARRYL Moore,
MARSHALL P. RYDER.
50

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