Vehicle-Brake. Page: 2 of 3
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UNITED STATES PATENT OFFICE.
JOHN L. McINTOSH, EDWARD HAMLIN BACON, AND THERON VAIL, OF
SAN ANTONIO, TEXAS.
VEHICLE-BRAKE.
SPECIFICATION forming part of Letters Patent No. 317,164, dated May 5, 1885.
Application filed Marh 5, 1885. (No model.)To all wvho it 7may concer:
Be it known that we, JOHN L. MCINTOSH,
EDWAID HAlMLIN BACON, and THERON VAIL,
all of San Antonio, in the county of Bexar
5 and State of Texas, have invented a new and
Improved Vehicle-Brake, of which the follow-
ing is a full, clear, and exact description.
Our invention relates to brakes for control-
ling or stopping wheeled vehicles, and has for
io its object to provide a simple, effective, and
durable brake, which may be applied without
wrenching the body of the vehicle or stretch-
ing and loosening the wheel-tires.
The invention consists in the attachment of
15 the end of the friction-band, which connects
directly to the shaft, to an eccentric-pin on
the shaft, whereby the band is tightened on
the friction-drum with a vise-like grip when
the brake is fully applied.
20 The invention consists, also, in particular
constructions and combinations of parts of the
brake, all as hereinafter fully described and
claimed.
Reference is to be had to the accompanying
25 drawings, forming part of this specification,
in which similar letters of reference indicate
corresponding parts in all the figures.
Figure 1 is a side elevation of a wagon with
our improved brake attached. Fig. 2 is a sec-
30 tional plan view of the rear parts of the wagon
running-gear with the brake attached and
partly broken away and in section. Fig. 3 is
detail side view of part of the hind wheel of
the wagon with the brake "off" or released.
35 Fig. 4 is a like view with the brake "on" or
fully applied. Fig. 5 is a side view of the
friction-band of the brake. Fig. 6 is a detail
end view of the brake-shaft and crank, and
Fig. 7 is a front view thereof.
40 The letter A indicates the hind wheels on
the axle B, and Cis the reach. D are the rear
hounds, and E is the box, of an ordinary
wagon.
The letter F indicates a friction drum or
45 rim, which has a flange, f, through which the
bolt ends of clips G pass for securing a drum,
F, to the spokes a of each of the hind wheels
at their inner faces outside the wheel-hubs,
which connection strengthens the wheel, and
50 at the same time gives a substantial support
to the brake-drums.Around each drum F is placed the friction-
brake band H, which has an eye, h, at one end,
in which eye is placed the eccentrically-po-
sitioned stud I, formed on or fixed to the ad- 55
jacent end of a shaft, J, which is journaled in
side boxes, j, held by straps K or otherwise to
a strong cross bar or beam, L, which is rigidly
secured to the hounds D by the strap irons or
clips 11 just in front of the hind axle, B; or 6o
said bar L may be secured directly to the hind
axle in any approved way.. The friction-band
H has at its other end an eye, h', in which en-
ters the wrist-pin i of a crank-arm, N, which
is formed on or fixed to the adjacent end of 65
the shaft J.
To the shaft J, at or near one end, and pref-
erably at the right-hand side of the vehicle,
is fixed by a set-screw, or otherwise, the lever
0, which has a series of holes, as at o, into 70
any one of which may pass a pivot-pin to con-
nect the back end of the brake-rod P to the
lever, and the forward end of said rod is con-
nected to the brake-operating lever B, which,
as shown, is pivoted to the box of the'vehicle 75
at r, and works along a catch-plate, S, into
the teeth of which the spring-pressed pawl T
of the lever may enter to lock the brake on
or off, a trip-lever, T', being provided at
the top of the lever R by which to lift the 80
pawl from the catch-plate.
We make the shaft J preferably in two
parts or sections, j' f, and provide a central
socket-piece or collar, J', to receive the inner
ends of the shaft-sections, which are held rig- 85
idly in the bore of the collar by set-screws k,
as shown in Fig. 2; and the central strap, K',
which supports the adjacent inner ends of the
shaft - sections, fits within a recess formed
around the sides of the collar J', and thus 90
serves to prevent end movement of the collar
and shaft J, so that by sliding the shaft-sec-
tions more or less into the collar J' and tight-
ening the set-screws c the shaft may be set to
bring its crank- arms N and bands H into 95
proper relative positions for effective action
on friction drums or rims F, fixed to opposite
wheels of vehicles whose axles vary somewhat
in length, so that the bands H shall always
have equal pressure on the rims F at opposite too
sides of the wagon, and when the shaft J is
adjusted properly lengthwise the collar J' and
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Reference the current page of this Patent.
McIntosh, John L.; Bacon, Edward Hamlin & Vail, Theron. Vehicle-Brake., patent, March 5, 1885; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth170964/m1/2/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.