Monocycle. Page: 4 of 5
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914,597
ratchet teeth 12 are to be taken as indica- be fastened by means of a wing screw 29, or
tive of any suitable one-way clutch mechan- this wing screw may be replaced by an or-
ism between the hub sleeve 6 and the hub dinary set screw. The sleeve 28 carries on
sleeve 5. its under side a bow spring 30, at each end
5 In the structure of Figs. 1 and 2 there of .which is a roller 31 in operative rela- 70
are provided cranks 13 and pedals 14 mount-. tion to the flange 2 already mentioned.
ed as hereinafter described,. while in the When the monocycle is at rest with the
structure shown in Fig. 4 the cranks 13' rider dismounted, the axis of the hub is co-
provided with pedals 14' are mounted di- incident with the axis of the wheel rim 1.
16 rectly on the axle and in this case the axle Suppose, now, that the rider is mounted on 75
may be connected with the wheel spokes the machine with the weight resting on the
through a suitable clutch mechanism such seat 23 and the feet on the pedals, then the
as described, so that when it is desirable to spring spokes 4 give more or less under this
coast the pedals may be held stationary weight, and the axis of the hub is brought
15 while the wheels continue to revolve in the closer to the ground, as indicated in Fig. 2 80
usual manner. so that the axis of the hub is no longer coin-
Referring again to the structures of Figs. cident to the axis of the wheel but is eccen-
1 and 2 it will be seen that there is carried I tric thereto. Under these conditions the
by the axle 8 a suitable frame including a spring 30 is also brought under stress with
20 front fork 15 and a rear fork 16 straddling the rollers 31 spread to a somewhat greater 85
the wheel and connected near their upper extent than shown in Fig. 1. Now, any ro-
ends by a reach 17, so that the frame of tative movement of the frame of the machine
the machine is substantially triangular. about the axis of the hub is resisted by the
The lower end of the frame of the machine increased tendency of the spring 30 to as-
25 is formed with a horizontal extension 18 sume its normal position, thus causing the go
connecting the support for the hub with rollers 31 to hug the rim 1 with increased
another support 19, one on each side of the force so that the rider is to a commensurate
machine and at the lower ends of the legs extent aided in maintaining an upright posi-
of the fork 15, and each support 19 carries tion upon a single supporting wheel. The
30 one or the other of the cranks 13. These I wheel is managed by the rider in the same 95
cranks are, at their outer ends, suitably manner as a bicycle is managed, except that
mounted in the supports 19 and carry inside the steering is accomplished by the move-
of the support 19 a sprocket-wheel 20 one inent of the body of the rider laterally to
for each crank, and this sprocket wheel is one side or the other. Should the rider de-
35 connected by means of a suitable sprocket:- sire to coast, then the pedals are held against 100
chain 21 to the corresponding sprocket- rotation by the feet of the rider and the
wheel 10 on the hub. By this means any ratchet-teeth 9 will under these conditions
speed relation between the pedals and the ride idly under the spring teeth 11 and the
main wheel of the machine may be provided. wheel will be carried forward by its own
40 Because of the location of the cranks in the momentum or by gravity as the case may be. 105
structure shown in Figs. 1 and 2, the two Should the rider desire to decrease the speed,
cranks cannot be directly connected, since the brake shoe 27 is applied to the rim 2 with
such direct connection would interfere with such force as may be desired or necessary.
the spokes. Therefore there are provided In order that the rider may readily mount
45 two gear wheels 20, one for each crank, and the wheel a suitable step 32 is provided upon 110
two chains 21, so that the pedal cranks are one of the legs of the rear fork 16.
connected together through the intermedi- What is claimed is:
ary of the hub and the sprocket-chain con- 1. A monocycle provided with elastic
nections therewith. In Fig. 4 the lower ends spokes, a hub connected to the inner ends of
50 of the forks 15 and 16 are connected by a said spokes, a frame for carrying the rider 115
horizontal extension 18' including a support mounted on said hub, and means connected
19' for the axle. The upper end of the front to the frame and engaging the wheel and
fork 15 carries handle bars 22 and the upper yieldable under the weight of the rider.
end of the rear fork 16 carries a saddle 23. 2. A monocycle comprising a wheel with a
55 The handle bars and saddle are adjustable rim provided with a laterally-extending an- 120
in the usual manner in a direction longi- nular flange, a frame yieldably connected to
tudinal of the respective forks, and being of the wheel rim, and yielding supports for the
the usual construction need not be particu- frame engaging the flange of the rim at
larly described. Fast to one of the handle separated points on either side of a vertical
6o bars is a brake lever 24 connected by a link plane through the axis of the wheel. 125
25 to a brake bar 26 carrying a brake shoe 3. A monocycle comprising a wheel hav-
27 in operative relation to the flange 2. ing a rim provided with a laterally-extend-
Mounted on the reach 17 is a sleeve 28 ad- i ing annular flange, elastic spokes connected
justable to various positions along the same, to the wheel rim at one end, a hub connected
65 in which adjusted positions the sleeve may to the other end of the spokes, a frame car- 130I
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Morris, Sydney Albert. Monocycle., patent, March 9, 1909; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth512416/m1/4/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.