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Jan. 14, 1947'.
Filed Sept. 25, 1943
2 Sheets-Sheet 1
119 A9
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Jan. 14, 1947.
Filed Sept. 23, 1943
2 Sheets-Sheet 2
Patented Jan. 14, 1947
Myron Earl Osburn, Enid, Okla.
Application September 23, 1943, Serial No. 503,555
1 Claim.
(01. 84—263)
This invention relates to the general category
employed to designate like or corresponding parts
of stringed musical instruments, such as for ex
throughout the views:
ample, violins and others of the violin family,
mandolins, guitars and the like. More particu
larly, the form of the construction which has
Figure 1 is a top plan view of a stringed musical
instrument constructed in accordance with the
principles of the present invention, this repre
senting one of the two embodiments herein
been chosen as a preferred embodiment bears re
semblance to a violin, but incorporates certain
characteristics also found in mandolins and gui
tars. The style of the structure adopted is neither
shown, described and claimed.
a violin nor a mandolin, but a variety in itself
such as destined, it is believed, to ?nd its place
in the ?eld of stringed musical instruments as a
distinct contribution to said ?eld.
Stated in details of greater particularity, the
preferred embodiment, or embodiments, is char- _
acterized by a wooden, hollow shell, this resem
Figure 2 is a top plan view with the top piece
or belly of the shell removed to disclose the in
ternal construction of the arrangement depicted
in Figure 1.
Figure 3 is a cross-section on the plane of the
line 3-3 of Figure~ 1.
Figure 4 is a view at right angles, this being a
through the rear end portion, taken on the line
4-4 of Figure 1.
Figure 5 is a top plan view of a modi?ed form of
bling in general con?guration and outline the
similarly designed body of the conventional
violin. The basal or butt end portion is em"
the invention.
phatically larger than the forward or outer end 20
Figure 6 is a longitudinal section on the line
portion and the whole takes on a somewhat pro
5-6 of Figure 5.
portionately massive appearance.
Figure 7 is a cross-section on the line l-—? of
A phase of the invention of chief importance is
Figure 5.
predicated upon the use of double strings; that is,
Figure 8 is a detail elevational view of the
two each of the E, A, D and G strings, this cor
combination tail piece and bridge.
responding to the arrangement on the conven
Figure 9 is a section on the line $—9 of Fig
tional mandolin. However, the adaptation of co
ure 8.
acting parts of the structure is such as to permit
The body or shell of the form of the instrument
depicted in Figures 1 to 4, inclusive, is generally
the strings to be vibrated through the instrumen
tality of a somewhat conventional violin bow, ob
taining the broad combination eifect of the man
dolin and violin, while at the same time develop
denoted by the numeral l 0. The frontal or outer
end portion thereof, indicated at l I, is noticeably
and appreciably smaller in overall proportion as
ing a distinct and individual volume and charac
ter of tone.
compared to the inner or butt end portion [2.
Further, in carrying out the principles of the
invention, I have dispensed with the customary
sound post and used, instead, internal reinforcing
DJ in
at IT. This head is provided with a group of
eight keys l8 of the conventional worm and gear
type (not shown) used on mandolins and guitars.
40 The neck is indicated at I9 and the ?ngerboard
at 20. The strings are in groups of two, said
elements, these constructed and arranged to ren
der the construction sturdy and to promote a
robust, but nevertheless resonant, tone quality.
Another object pertains to a special embodi
mentor form of the invention utilizing an in
ternal, longitudinal runner to render the instru
ment sturdy, to promote longevity and to other
wise contribute to its distinctiveness in the inter
nal make-up.
strings being di?‘erentiated by the numerals 2|.
As before pointed out, I utilize conventional
strings but employ them in parallel pairs; that is,
45 I employ two E strings, two A strings, two D
strings and two G strings. The underlying me
dian portion 22 of the top 23 of the shell is longi
tudinally bulged, this area being somewhat ovate
in top plan con?guration.
Furthermore, I have designed for use a com
bination string anchoring and bridge unit, this
for employment in conjunction with the heavy
internal reinforced embodiment of the invention.
Other features, advantages and objects will be
This body is externally equipped with an anchor
ing button 13 for the gut loop !4 of the tail piece
£5. The bridge is denoted at l6 and the head
come more readily apparent from the following
description and accompanying illustrative draw
In the drawings, wherein like numerals are 5
The back 24 of the instrument corresponds in
shape toorthe
top 23,
this having
area 22a
a similar
opposed to
the companion area 22. The marginal rim is
denoted at 25 and on the interior I provide
marginal beads 26 to facilitate screwing or other
wise fastening the top and bottom to the edging
or rim-forming wall 25. It will be noticed that
supplemental reinforcing elements 21 are pro
vided. These are transverse cross pieces and are
for the strings. The top of the mound 3'! is formed
with keyhole-shaped slots 40 to accommodate the
anchored ends of said strings.
As previously stated, the improved stringed
arranged in longitudinally spaced order and_
musical instrument is characterized by a proper
parallel to each other. One set is secured to the
bottom and the other set in opposed relation to
the top. The ends of the cross pieces are beveled
inwardly and downwardly, as indicated at 28.
The inner end of the neck is headed and notched,
as indicated at 29, to facilitate assembling of the
ture is, in effect, a composite arrangement and,
adjacent ends of the rim. There is a reinforcing
vertical block 38 at the butt end to accommodate
selection and coordination of somewhat relevant
features of merit exempli?ed in both the violin
and the mandolin. However, the resultant struc- '
for the want of a better name, it is a “vandolin.”
It is unnecessary, however, to repeat the dis
tinguishable special adaptation covered in the ‘
introductory portion of the speci?cation. These
features of novelty are alluded to in the subjoined
A careful consideration of the foregoing de
scription in conjunction with the invention as
illustrated in the drawings will enable the reader
‘ the reinforcing internal cross pieces, and the body
obtain a clear understanding and impression of
or shell, as well as the neck and ?ngerboard.
The construction and arrangement of cross-pieces 20 the alleged features of merit and novelty sufii»
cient to clarify the construction of the invention
2'! is not, as implied, the same in this form or
as hereinafter claimed.
modification of the invention. It will be noted
Minor changes in shape, size, materials and
in the drawings in Figure 3, that the internal
rearrangement of parts may be resorted to in
reinforcing cross-pieces are shown carried by
both bottom and top portions of the shell or body 25 actual practice so long as no departure is made
the aforementioned button I3.
In the embodiment shown in Figures 5, 6 and 7,
all parts corresponding in construction are indi
cated by like numerals. This is in reference to
from the invention as claimed.
of the instrument, whereas, in the cross-sectional
I claim:
view shown in Figure '7, the cross-pieces 2'5 are
In a violin, a sound wave trapping and ampli
shown carried by the bottom only. More spe
fying body of hollow, shell-like form and standard
ci?cally, the ?ngerboard is provided with a peg
box 31 to accommodate somewhat conventional 30 dimensions and shape comprising a marginal
endless rim and top and bottom pieces connected
wooden pegs 32, as are presently used in violin
thereto, said bottom piece being provided on its
constructions. The principal difference in this
interior surface with a plurality of transversely
form of the invention is in reference to the in
disposed cross-pieces, said cross-pieces being
ternal, longitudinal bar 33 which is of a length
spaced from each other and of a
commensurate with the length of the body, the
vertical cross-sectional height terminating ap
same being substantially rectangular in cross
proximately on a horizontal plane even with the
section, but conforming to the portions of the
longitudinal median axis of the sound wave
top of the shell coacting therewith. It wili be
chamber of said body, and a complemental longi
noticed that right angular extensions 34 and 35
are provided at opposite ends, these being in 40 tudinal bar and reinforcing member of a length
commensurate with the length of the interior of
contact with the inner face of the back of the
the body, said bar being comparatively heavy in
instrument and resting against the adjacent ends
cross-section and secured from end to end to the
of the rim portion. Thus, in a sense, we have a
under side of said top and having integral right
longitudinal assembling and reinforcing bar 33
with feet 34 and 35 formed integral therewith 45 angled extensions at opposite outer ends, said
extensions resting on the underlying surfaces of
and stabilizing the entire shell construction to
said bottom piece and each corresponding in
accommodate the special combination tail piece
length to the width of said rim and being in ?rm
and bridge unit 35. This comprises a substan
abutting contact with the adjacent inner surfaces
tially hollow mound 3'7 with marginal reinforcing
?anges as forming the base portion and rigidly 50 of said rim.
secured to the intermediate portion of the bar 33.
The curvate riser or extension 39 is the bridge
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