Year: 1888

page_text: Date of Application, 12th May, 1888
Specification Accepted, 15th June, 1888
I, MAX NOBILING, of 41, Reinhardtsbrunner Strasse, Gotha, Germany, do
hereby declare the nature of this invention and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement:-
This invention relates to improvements in tricycles, more particularly applicable to
the carrier" type of machine.
The said improvements consist in the hereinafter described arrangement of the
driving mechanism, together with the device for raising the pedals, and also in the
construction of the frame adapting the tricycle to be readily converted from a carrier
for the conveyance of light goods to one more resembling the ordinary type of
machine.
Reference is to be had to the accompanying sheet of drawings forming a part of
this specification, in which similar letters of reference indicate corresponding parts in
all the figures.
Figure 1, represents a sectional elevation of a tricycle to which my improvements
are applied.
Figure 2, is a plan of the same, with the driving mechanism at one side shown in
section.
Figure 3, is a side view on a larger scale of one of the driving clutches, with the
parts in the position they occupy at the commencement of a stroke.
Figure 4, is a similar view showing the relative position of the parts at the termi-
nation of the stroke.
Figure 5, is a back view of the clutches and the device for raising the pedals, with
the parts in the position they occupy at half stroke, the dotted representations being
hereinafter referred to.
Figure 6, is a plan of one of the driving clutches.
The axle A is rigidly fixed to the cross piece B of the frame C and the driving
wheels D are mounted so as to revolve freely and independently on the projecting
ends of such axles.
I will describe the driving mechanism chiefly with reference to one driving clutch,
the arrangement being similar on both sides.

page_text: A pedal lever E connected to the pedal F by the pendants links G, is loosely
mounted upon the axle A, and the studs H project horizontally at right angles from
the opposite end of such lever. An arm J mounted upon the projecting boss K of
the lever E is provided with a stud L carrying the clutch piece N having a tongue M
projecting between the said studs H. An oscillating shaft O pivoted between lugs P
fixed to an extension Q of the frame is connected by its extremities to the eyes R
at the rear end of the levers E by chains or other suitable connections S.
From the foregoing description it will be readily seen that when downward
pressure is exercised upon either of the pedals F the front end of the lever E in
connection therewith is depressed and a correspondingly upward motion is imparted
to the opposite end of such lever carrying the studs H, and the said studs engaging
the tongue M slightly turn the clutch piece N on the stud L which causes such clutch
piece to wedge against the periphery of the clutch disc T fixed to the hub I of the
wheel and thereby rotate such disc and wheel. The end of the oscillating lever O
beneath the lever E thuis operated, is raised by the connection S which correspondingly
depresses the opposite end of the lever O thereby drawing the mechanism in con-
nection with the other pedal lever to the position required before operating it in a
similar manner to that above described. In this way each of the pedals may be
alternately operated, the action of depressing one pedal raising its fellow and pro-
pelling the machine.
The side rails U are provided with eyes at each end respectively fitting upon the
outer ends of the axle A and upon studs V projecting horizontally from the head W
of the steering wheel Y, and are secured thereon by nuts Z. The said rails thus
form a foundation on which a receptacle for light goods may be mounted or such rails
may readily be removed when not required.
The dotted representations of the lever O figure 5 show the method and extent of
its oscillation as the pedals are alternately raised and depressed.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
1 claim is:
1. The general construction and arrangement of parts forming the tricycle driving
mechanism substantially as herein shown and described.
2. The combination with a driving wheel of a tricycle, of a clutch disc rigidly
connected to said wheel, and a pedal lever provided with a boss upon which an arm is
mounted carrying a clutch piece adapted to engage said clutch disc and be controlled
by said pedal lever, substantially as herein shown and described, and for the purpose
specified.
3. The combination with the driving wheels of a tricycle, of the said clutch driving
mechanism, and a lever pivoted to the tricycle frame adapted to raise one pedal by
the action of depressing its fellow, substantially as herein shown and described.
4. The combination with a tricycle frame of removable side frames extending from
the rear axle to the head of the machine and adapted to form the foundation of a
luggage carrier, substantially as herein shown and described.
Dated this 9th day of May 1888.
DRACUP & NOWELL,
Bradford, Agents.