Tire-Tightener Page: 2 of 3
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UNITED STATES PATENT OFFICE.
JAMES H. CAMERON, OF PARIS, TEXAS.
To all whom it may concern:
Be it known that I, JAMES H. CAMERON, a
citizen of the United States, residing at
Paris, in the county of Lamar and State of
5 Texas, have invented certain new and useful
Improvements in Tire-Tighteners; and I do
declare the following to be a full, clear, and
exact description of the invention, such as
will enable others skilled in the art to which
10 it appertains to make and use the same.
This invention relates to improvements in
The object of the invention is to provide a
tire tightener having means whereby the
15 same will be securely held in place when
driven in between the ends of the wheel rim
without the use of additional fastening de-
With the above and other objects in view,
20 the invention consists of certain novel fea-
tures of construction, combination and ar-
rangement of parts, as will be hereinafter
described and claimed.'
In the accompanying drawings:-Figure 1
25 is a side elevation of a portion of a wheel,
showing the application of the invention
thereto a portion of the wheel rim being
broken out; Fig. 2 is a detail perspective view
of the fastener; Fig. 3 is a vertical sectional
30 view; Fig. 4 is a transverse sectional view of
the same; and Fig. 5 is a detail perspective
view of an additional tightening and spoke
holding device which may be used in connec-
tion with the wedge.
35 Referring more particularly to the draw-
ings, 1 denotes the tightener, which consists
of a wedge-shaped block 2 having formed in
one end a centrally-disposed, inwardly-pro-
jecting recess 3. On the opposite inclined
40 sides of the block 2 are formed a series of
transversely - disposed notches or corruga-
tions 4 forming prongs or teeth 5, which
when.-the wedge is driven between the ends
of the rim, engage said ends and prevent the
45 casual disengagement or removal of the
wedge. The notches and teeth on one side
of the block are arranged in alternate posi-
tions with the notches and teeth on the op-
posite side. The inner reduced end of the
50 block is preferably beveled to a sharp edge,
as shown at 6, to facilitate the driving of the
wedge between the ends of the rim.
Formed on the outer or enlarged end of
the block or wedge 2 is a cap plate 7, which
55 is slightly-curved to conform to the shape of
the inner edge of the rim and is adapted toI
Patented Dec. 31, 1907.
cover and protect the adjacent ends of the
same between which the wedge - block is
driven: On the outer side edges of the
block 2 are formed tapered side plates 8, 60
which are joined at their inner ends with the
plate 7 and form practically a continuation
of the same. The plates 8 are adapted to
cover the sides of the adjacent ends of the
rim between which said wedge block is 65
driven, thus protecting the same. The re-
cess 3 is formed in the wedge-block 2 to re-
ceive the tenon 9, which is usually formed on
one end of the rim to engage a socket or mor-
tise in the adjacent end of the rim. 70
The wedge block 2 will be firmly held in
place by the corrugations thereon when
driven in between the adjacent ends of the
rim and will be securely-held in place with-
out additional fastening devices, thus pro- 75
riding for the quick and easy application of
the same to the rim of a wheel.
A wedge block constructed as herein
shown .and described will be simple, strong
and durable in construction, reliable and ef- 80
ficient in operation and may be manufac-
tured at a greatly reduced cost over similar
tire tightening devices requiring additional
and separate means for securing the same
in place. 85
In Fig. 5 of the drawings is shown an ad-
ditional tightening and spoke holding device,
- which I may employ in connection with my
wedge-block, said device consisting of a pair
of segmental wedge plates 10 adapted to be 90
driven between the end of the spokes and
the adjacent inner side of the wheel rim.
The plates 10 have formed in their inner
edges a tenon engaging recess 12 and on their
outer edges spoke engaging flanges 13. The 95
plates have also formed thereon apertured
ears or lugs 14 to receive fastening screws
whereby they may be secured to the rim of
the wheel. When applied between the end
of the spoke and the rim, the inner edges of 100
the plates 10 are adapted to overlap.
From the foregoing description, taken in
connection with the accompanying draw-
ings, the construction and operation of the
invention.will be readily understood without 105
requiring a more extended explanation.
Various changes in the form, proportion
and the minor details of construction may be
resorted to without departing from the prin-
ciple or sacrificing any of the advantages of 10
this invention, as defined by the appended
Specification of Letters Patent.
Application filed December 6, 1906. Serial No, 346,623.
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Cameron, James H. Tire-Tightener, patent, December 31, 1907; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth512826/m1/2/: accessed April 19, 2019), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.