Improvements in or relating to Mechanism for Converting Oscillatory Motion into Rotary Motion.
Year: 1896

page_text: Date of Application, 25th Aug., 1896-Accepted, 7th Nov., 1896
COMPLETE SPECIFICATION.
Improvements in or relating to Mechanism for Converting
Oscillatory Motion into Rotary Motion.
I, REGINALD HADDAN, of the Firm of Herbert Haddan & Co. of
18 Buckingham Street, Strand, in the County of London, Patent Agent, do
bereby declare the nature of this invention a communication to me from abroad
by Adolph Becker, Machinist of 61 Newark Street, Jersey City, New Jersey,
and Charles Magdeburg of 380 Grove Street, Jersey City, New Jersey, Baker
United States of Amerion, and in what manner the same is to be performed
to be particularly described and ascertained in and by the following statement :-
The object of this invention is to effect certain improvements in devices for
transmitting motion and the invention resides in the novel features of construction
set forth in the following specification and claim and illustrated in the annexed
drawing in which
Fig. 1 is a side elevation of a device for transmitting motion.
Fig. 2 is a plan view of Fig. 1 with parts in a different position than in Fig. 1.
Figs. 3 and 4 show a modification.
The inveution is shown applied to a bicycle or velosipede but is not confined to
such use.
The frame 1 of the bioycle has the driving wheel 2 with sprocket wheel or
pulley 3 engaged by chain or belt 4 driven by sprocket wheel 5. A lever has a
pedal part 6 and a fulcrum part or slotted part 7 adapted to swing as also to slide
back and forth along the fulcrum or pin 8 preferably provided with an antifriction
collar or device.
This pedal lever 6, 7 is connected by orank pin 9 to the sprocket wheel 5. This
crank pin 9 projecting from wheel 5 and preferably provided with antifriction
collar can rotate freely in lever 6, 7 but any movement of translation of said pin 9
such as vertically or horizontally is accompanied by a like movement of the pedal
portion 6 or of the lever 6, 7. This pedal portion of course has a step or rest 10
of any suitable shape for the rider to engage or press bis foot thereon for effecting
the pedaling.
Two levers 6, 7 are shown but the description of one applies to both. One of
the levers has a crank connection 9' on an arm 11 extending from the shaft 12 of
the sprocket wheel 5.
In
I am aware that levers have been provided with fulcrums mounted on a slide
which slide traveled back and forth along suitable guides but in such structures
the distance between the fulorum and the crank counection remains uniform.
the above device the fulcrum 8 is fixed or non translatable and as the pin or
crank 9 rotates it approaches and recedes from the fulcrum. When the crank 9 is
nearer to fulcrum 8 the power applied at the pedal portion 10 is correspondingly
intensified or multiplied at the point 9.
In the modification shown in Figs. 3 and 4 the lover part 7' is not slotted but
slides or fulcrums between roller studs 81 mounted on a swinging or oscillating
plate 18 mounted to turn or swing on stud 14 extending from frame 1.
Having now particularly described and ascertained the nature of this said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. A driving wheel provided with a sprocket wheal or pulley, a driving sprocket

page_text: or pulley, and a belt or connection between the pulleys, combined with a lever, a
crank connection between the lever and driving pulley, and a fixed or
non translatable fulcrum on which said lever is slidably mounted substantially as
described. :
2. A driving wheel provided with a sprocket wheel or pulley, a driving sprocket
or pulley, and a belt or connection between the pulleys, combined with a lever, a
crank connection between the lever and driving pulley, and a fixed or
non translatable fulcrum, said lever being slotted so as to slide on said fulcrum as
the orank connection approaches and recedes from the fulorum substantially as
described.
D
1 ليعم
R. HADDAN.