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May l0, 1949.
2,470,035
C. HUDKINS
SQUARE -
Filed Jan. 10, 1946
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Patented May 10, 1949
2,470,035
UNITED s'rli'rssy erreur OFFICE
sâïì‘íì
Clyde Hudkins, Moundsville, W. Va.
Application lllanuary 10, 1946, Serial No. 640,329
l
2 Claims'.
1
My invention relates to improvements in
squares for use in carpentry work, and the like,
(Cl. 33-112)
2
the slot 3 into folded position, or, out of said slot
3 either into alignment with the handle I _or
into right-angular relation to the working edge
simply
the primary
constructed,`
object in
inexpensive,
view beingfolding`
to provide
square
i of said handle, the arrangement being such
adapted for a wider range of use than present 5 that when said blade II is aligned with said
types of squares, and for maintaining absoluteiy
handle, its side edges align with the side edges
true regardless of wear.
l
of said handle to form straight edge extensions
of the Side edges of thehandle,- and when said
for’
y Another
use compass-wise
object» is to with
provide
a carpenter’s
a square pencil
blade II is swung into right-angularrelation to
as a stylus and for describing circles with radii
the working edge Il, one side edge of said blade
measured in inches and fractions thereof.
Other and subordinate objects, also compre
hended by my invention, together with the pre«
fold
cise advantages
nature of my
thereof
improvements,
will be readily
and underst
the
when the succeeding description and claims
read with reference to the> drawings accompany
ing and forming part of this specification.
In said drawings:
Figure 1 is a vview in plan, partly
section,
of my improved square,
.Figure 2 is a fragmentary similar View looking
at the opposite side of the square,
Figure 3 is another similar view showing '
blade folded,
Figure 4 is a View in end elevation with
blade folded, and
Figure 5 is a fragmentary View in planv of the
II extends outwardly of the slot 2v to expose all
of said edge and the other side edge of said blade
II abuts one end of the facing strip 6 so that
said end forms a stop establishing the right
angular position of the blade. A screw i3 with
a swiveled ñnger grip I3' thereon extends through
the slotted end of the handle I and through an
arcuate slot It in the pivoted end- of the blade
II for clamping said plate in different positions.
One edge of the blade II is graduated, as at
I5, on both sides thereof in inches and fractions
of an inch and for the usual purpose,
The op~
posite side edge, hereinafter referred to as the
inner side edge, is provided with a row of oblong
in
openings
one-half
I 5 inch
therein
spacings
spacedas
apart
shown.
alongThe
saidopen
ings Ie'â are of the proper size to- receive therein
the usual ñat lead of a carpenter’s pencil,- not
blade.
shown, and are arranged, preferably, with their
Reference being had to the drawing by 30 longer axes disposed transversely of the blade l i.
numerals, my improved square inf the preferred
A through center opening il is provided in the
illustrated embodiment thereof, comprises' an» ob
handle I, which, in the right-angular position of
long rectangular handle I of metal or wood, pro»
the blade I I is aligned with a row of openings
vided in one end, in the median plane of the
I6 and is spaced one-half inch from the nearest
handle, with a transverse slot 2. A longitudinal 35 opening I6 of the row. A similar opening I8 is
slot 3 is also provided in the handle I, in one
provided in the blade I I to register with the
side edge thereof and which extends from the
opening I'I.
slot 2 to the opposite end of the handle in a
A second row of openings I 9, similar to the
common plane with the slot 2. The opposite
openings I6 and similarly spaced apart in one
side edge 4 of the handle I, and which constitutes 40 half inch spacings, is provided in the longitudinal
the working edge for positioning against the
center of the blade I I, and a row of center form
work, has countersunk therein a spirit level 5,
ing openings 20 is provided in the longitudinal
of the usual type. A metal facing strip 5 ex
center of the handle I. The openings I 6, I9,
tending along said working edge il, from the bot
as shown, are aligned tranvsersely of the blade
tom of the slot 2, covers the spirit level 5 with 45 I I with appropriate graduations I5 and are shown
the exception of a sight opening l in said strip
as arranged one-half inch apart in each row for
for viewing said level 5 therethrough. Screws 8
illustrative purposes only.
fasten the spirit level 5 in place. Screws 9 fasten
The blade II is graduated at its pivoted end,
the facing strip 6 in place and are extended
through longitudinal slots Ill in said facing s ‘ip 50 as at 2I, on one side, for angular adjustment of
said blade with the graduations reading against
6 which provides for endwise adjustment of said
the4 end of the handle I to which the blade II
strip 6 for a purpose presently seen.
is pivoted. The nearest openings in the rows
An oblong, straight edge, metal blade II, of
I9, 20 are arranged as shown to be three inches
the same width as the handle I, is pivoted at
apart when the blade II is aligned with the
one end, as at I2, in the slot 2 for swinging into 65 handle I and said openings 20, as shown, are
2,470,035
3
spaced one inch apart but such spacing may be
varied as will be understood.
The described square may be used for ordi
nary purposes and additionally as follows: With
the blade II in right-‘angular position, various
circles may be described by using a nail, or the
like, in the opening I'I, to provide a pivot point,
inserting the lead of a carpenter’s pencil in any
selected opening I6, and swinging the square
about the pivot provided as described. Thus,
circles of various radii beginning with one-half
inch and increasing in one-half inch increments
may be described by selective insertion of the
lead of the pencil in the opening I6, as will be
clear. With the blade II aligned with the handle
I, and using the openings I9 and 20, in the same
manner, circles may be also described starting
with a radius of three inches and increasing
either in one-half inch increments by selective
use of the openings I9, or, in inch increments by
selective use of the openings 20, or, in inch and
one-half increments by selective use of the open~
ings I9 and 20. The openings 20 are appropriately
numbered to indicate the diameter of circles
which may be described by using either with the
nearest opening I9. By adjusting the facing strip
folding edgewise into said slot and unfolding
selectively out of said slot into right angular re
lation to said working edge or into longitudinal
alignment with said handle with opposite side
edges of the blade aligned with opposite side
edges of the handle, ~a facing strip on said Work
ing edge having a stop forming end engaged by
said blade when said blade is unfolded into right
angular relation, and means for adjust/ably se
curing said strip to said working edge to vary
the position of said stop forming end and true
up said blade in said right »angular position of
the same.
2. In a square of the class described, an oblong
handle having a working side edge with a longi
tudinal slot in the other side edge thereof, an
elongated blade `of the same width as said handle
pivoted at one end in one end of the handle
for folding edgewise into said slot and unfolding
selectively out of said slot into right angular re
lation to said working edge or into longitudinal
alignment with said handle with opposite side
edges of the blade aligned with opposite side edges
of the handle, Ia facing strip on said working
edge having a stop forming end engaged by said
blade when said blade is unfolded into right
angular relation, and means for adjustably se
6, the blade II may always be maintained in
curing said strip to said working edge to vary
right-angular position to the handle I, or theJ
the position of said stop forming end and true
working edge 4, when said blade is swung against
up said blade in said right angular position of
the stop forming end of the strip, regardless of
the same, said end of the handle being cross
wear on the pivot I2 of the blade II.
slotted to straddle the pivoted end of the blade
With the blade II in right angular position to
for clamping engagement therewith to hold said
the handle I, the square may be used to accuratee
blade in unfolded positions and provided with a
ly place saw-cut lines, for instance, for rip saw
ing, by placingl the handle against one side edge C13 clamping screw for clampingly engaging the same
with the pivoted end of the blade, said pivoted
of the work with the blade II crosswise on the
end of the blade having an arcuate slot therein
same, inserting a pencil point in a selected open
receiving said screw to permit said blade to be
ing I6 or I9 and drawing the square along the
unfolded.
Work.
CLYDE I-IUDKINS.
The foregoing will, it is believed, suñice to im
part a clear understanding of my invention with
REFERENCES CITED
out further explanation.
`
Manifestly, the invention, as described, is sus
ceptible of modification without departing from
the inventive concept, and right is herein re
served to such modifications as fall within the
scope of the appended claims.
What I claim is:
1. In a square of the class described, an oblong
handle having a working side edge with a longi
tudinal slot in the other side edge thereof, an
elongated blade of the same Width as said handle
pivoted at one end in one end of the handle for
The following references are of record in the
file of this patent:
UNITED STATES PATENTS
Number
120,675
579,023
765,300
805,058
937,020
1,021,850
Name
Date
Shelley ____________ __ Nov. 7,
Stay ____________ __ Mar, 16,
Williams ; _______ __ July 19,
Daniels __________ _.. Nov. 21,
Brandt __________ __ Oct. 12,
Shakley __________ __ Apr. 2,
1871
1897
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1912
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