A NEW ARRANGE- MENT OF DRIVING GEAR WITH CONTINUOUS MOTION APPLICABLE TO VENTILATORS, TO FORGES AND TO MACHINES AND IMPLEMENTS GENERALLY
Year: 1883

page_text: PROVISIONAL SPECIFICATION left by Adolphus Selim at the Office of
the Commissioners of Patents on the 29th June 1883. Communicated to
him from abroad by Paul Clêment Joseph Lemaire and Alfred Eugène Poly
both of Paris in the Republic of France, Mechanical Engineers
ADOLPHUS SELIM of 21 Mincing Lane in the City of London A NEW ARRANGE-
MENT OF DRIVING GEAR WITH CONTINUOUS MOTION APPLICABLE TO VENTILATORS,
TO FORGES AND TO MACHINES AND IMPLEMENTS GENERALLY A communication to
me from abroad by Paul Clement Joseph Lemaire and Alfred Eugène Poly, both
of Paris in the Republic of France, Mechanical Engineers
The driving gear constituting the object of the present Invention is characterised
by the following special arrangements.
On a shaft supported in a suitable framing are mounted with slight friction, a
ratchet wheel clutch and a fly wheel. The ratchet wheel clutch receives an
alternating or continuous circular motion by means of an arrangement of hand
lever or pedal, which I will describe hereafter, or of any suitable motor; and the
By wheel by the intervention of rollers suitably arranged within the interior cavity
of its nave or centre and the ratchet wheel clutch which this encloses receives this
motion and transforms it into continuous circular motion, to be transmitted, by
friction or otherwise, to any moving part belonging to a machine that it is required
to put in motion.
The rollers of whatever number, interposed between the ratchet wheel clutch and
the fly wheel determine or break, by their wedging, in one direction or the other'
the connection between these two independent parts, one of which receives
alternately or not the motion whilst the other by reason of its force of inertia,
transmits it without interruption and always in the same direction, to any moving
part which utilizes it.
The impulse ratchet wheel clutch and its operating lever with alternate motions
augment considerably the initial speed and give consequently a more considerable
yield of work,
The putting in motion of machines provided with this system of driving gear is
rendered by this fact, of very great facility, and suppresses, for those who employ
them, all effort and fatigue.

page_text: All machine-tools, lathes, drilling machines and others, ventilators, forges, sewing
machines, velocipedes and other machinery or apparatus receive easily this kind of
driving gear.
In order that the arrangement of driving gear may be fully understood, and the
better to show its immediate adaptation to various machines, I will describe its
application to a portable ventilator by way of example.-A fan ventilator is
mounted upon the wheel base of a triangular framing which supports the axis of
the ventilator and all the apparatus of transmission.
This transmission consists 1st of an articulated lever and a pedal.-2nd Of an
impulse ratchet wheel clutch-3rd Of a fly wheel receiver and transmitter of
motion.
Lever & Pedal: The articulated lever oscillates upon a fixed point of the
framing; it carries three arms. The two first not situated in the same plane, are
connected by leather bands to the circumference of a sleeve of the ratchet wheel
clutch; the third in two parts hinge jointed or not, is terminated by a handle upon
which the hand is caused to act for putting in motion the systein.
One arm a of the articulated lever carries a weight or a spring counterbalancing
the pedal, and the other arm of such lever.
The pedal oscillates upon a centre carried by the wheel base and is connected to
an arm of the articulated lever by a connecting rod in such manner that the
driving, when it is given by the foot, shall be transmitted to the articulated
lever which in its turn acts upon the ratchet wheel clutch by the leather bands.
Impulse ratchet wheel clutch: The impulse ratchet wheel clutch is mounted
with slight friction upon a fixed shaft and carries a certain number of teeth
enclosed in the interior of the annular groove of the nave or boss of the fly
wheel. This ratchet wheel clutch receives an alternating circular motion by the
leather bands attached to the lever but it may be put directly in motion.-In the
spaces produced by the teeth and the interior surface of the nave or boss of
the fly wheel are engaged rollers, the operation of which will be indicated
hereafter.
Fly wheel receiver and transmitter :
The fly wheel is also mounted with slight friction upon the fixed shaft. The
rim or felloe connected to the nave or boss by arms trausmits motion by friction
to a pulley fixed at the end of the axis of the fan of the ventilator. In order to
ensure the contact of the pulley with the rim or felloe of the fly wheel, the axis of
the latter is mounted in a beating cast with the framing whilst regulating and
pressing screws enable its position to be ensured and regulated.
Working-In-acting upon the articulated lever or upon the pedal there is
communicated to the ratchet wheel clutch an alternate circular motion: this
motion is transmitted to the fly wheel by the rollers which, during working, wedge
into the cavity referred to and by this fact determine the impulse of the fly wheel.
On the return, the rollers become unwedged and the fly wheel continues to turn
in the same direction by reason of its force of inertin, whilst the ratchet wheel
clutch retakes its primitive position to receive a new impulse.
The action of the parts proceeds thus until the moment when the lever or pedal
ceases to be operated.