Electric Car Brake. Page: 3 of 3
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the end toward the flange O' of the worry O0
this sleeve S is provided with a series of arms,
d, which are preferably arranged radially. A
spiral spring, T, surrounding the shaft F,
5 presses the sleeve S against the flange O' of
the worm 0. The sleeve S is provided at the
end opposite the one provided with the arms
d with an annular flange S', which passes
into the notched ends of the shanks of a fork,
to TU, attached to a rod, W, passing through a
helix, V, held to the under side of the car-
floor and connected with a battery.
The operation is as follows: If the brakes are
to be applied, the circuit of the helix N is closed,
t5 and the rod M will be drawn into the helix,
w hereby the lower end of the lever K will press
the rack H against the cog-wheel 3, and this
rack will be moved upward or downward, ac-
cording to the direction in which the car is
20 running. If this rack H is moved upward or
downward, the head 1' of the lever I will press
the shaft C' toward the friction-wheel B, caus-
ing the friction -wheel D on the lower end of
this shaft C' to be rotated by the friction-wheel
25 B on the shaft A, whereby rotation of the bev-
eled cog-wheels E and E' is caused, and, as the
beveled cog-wheel E' is mounted on the shaft
F, this shalt will be rotated, and will rotate the
sleeve S thereon. As the radial arms d of this
30 sleeve S are pressed against-the flange O' at
the end of the worm O, which flange is pro-
vided with a stud, a, this worm will be rotated
by the shaft F, and in turn will rotate the
worin-wheel P, monited on the shaft Q, where-
35 by thebrake-chain I will be wound on the shaft
Q, and the brakes will be applied. The brake
remains locked in this position. If tihe brake
is to be released, the circuit of the helix V is
closed, whereby the rod W will be drawn into
4o this helix, and the sleeve S will be withdrawn
from the end of the worm, which is thus re-
leased from the shalt F,,and is rotated inde-
pendently of the same. As soon as this worm
O is released the brakes are loosened. The bat-
45 teries of the helices N and Vcan be located in
the engine, and can be connected with the sev-
eral cars, so that the brakes can be applied
from any part of the train, as may be desired.
Having thus fully described my invention, I
5o claim as new and desire to secure by Letters
Patent-
1. In an electric brake, the combination,with
a frictioin-wheel mounted on the axle, of a fric-
tion- wheel mounted on an adjustable shaft,
55 connected by suitable gearing with the shaft to
which the brake-chain is attached, a cog-wheel
mounted on the axle, and a rack hung on a
lever, adapted to act on the adjustable shaft
carrying the friction-wheel, which is to be
60o pressed against the friction-wheel on the axle,
substantially as herein shown and described,
and for the purpose set forth.
2. In an electric brake, the combination,with
the axle A, of the friction-wheel B, mounted
65 thereon, the cog-wheel G, the rack H, the le-ver I, pivoted in the hollow standard C, pro-
jecting from the under side of the car-floor,
the laterally adjustable shaft C', the friction-
wheel D on the lower end of the same, the
beveled cog-wheel E at the upper end of the 70
same, engaging with a cog-wheel, E', on a
shaft connected by suitable gearing with a
brake-chain, the lever iK, the rod M, and the
helix N, substantially as herein shown and de-
scribed, and for the purpose set forth. 75
3. In an electric brake, theecombination,with
the axle A, of the friction-wheel B, mounted
thereon, the cog-wheel G, the rack B, the le-
ver I, pivoted in a hollow standard, C, project-
ing from the under side of the car-floor, the 80
rounded head P at the inner end of this lever
I, the boxing J, the laterally-adjustable shaft
C', the friction-wheel 1) on the lower end of
the same, the beveled cog-wheel E at the
upper end of the same, engaging with the 85
beveled cog-wheel E' in the shaft, connected
by suitable gearing with the brakes, the le-
ver K, the rod l, anud the helix N, substan-
tially as hereih shown and described, and for
the purpose set forth. 90
4. In an electricbrnke, thecombination, with
the axle A, of the horizontal shaft F, journaled
to the under side of the car, the worm O, loosely
mounted thereon, the worm-wheel P, mounted
on a shaft, Q, the brake-chain R, attached to 95
the shaft Q, the devices for looking the worm
O on the shaft F, and of the devices for oper-
ating the shaft F from the car-axle A when
desired, substantially as herein shown and de-
scribed, and for the purpose set forth. too
5. In an electric brake, the combination, with
the car-axle A, of the horizontal shaft F, the
worm O, loosely mounted thereon, and provided
at one end with an annular flange, O', provided
with projecting studs a, the sliding sleeve S, to
held on the shaft F to rotate with the same.,
and provided with radial arms d, the worm-
wheel P, mounted on the shaft Q, the brake-
chain H, attached to the shaft Q, the devices
for engaging the sleeve S with the worm O, r to
and the devices for operating the shaft F from
the car-axle when desired, substantially as
herein shown and described, and for the pur-
pose set.forth.
6i. In an electric brake, the combination, with u 5
the car-axle A, of the horizontal shaft F, the
worm O, loosely mounted thereon, and pro-
vided at one end with an annular flange, O',
provided with projecting studs a, the sliding
sleeve S, held on the shaft F to rotate with the 1zo
same, and provided with radial arms d, tihe
worm-wheel.P, mounted on the shaft Q, the
spring T, the fork iU, the rod W, the helix V,
and the devices for operating the shaft P from
the axle A, substantially as herein shown and r 5
described, and for the purpose set forth.
PHILIP VORUS CONOVER.
Witnesses:
EUGENE ARCHEIE,
A. J. SPENCER.
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Reference the current page of this Patent.
Conover, Philip Vorus. Electric Car Brake., patent, September 26, 1882; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth170416/m1/3/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.