IMPROVEMENTS IN AXLES, SPINDLES AND PINS
Year: 1885

page_text: I JULES ALBERT BERLY, Civil Engineer and Electrician of No. 3 Deronda
Road, Herne Hill London S.E. do hereby declare the nature of my invention
for IMPROVEMENTS IN AXLES, SPINDLES AND PINS (a communication from Noel
Coulaud, Engineer, of 86 bis Rue d'Angoulême, Paris, in the Republic of France) to
be as follows:-
The object of my Invention is the construction of axles, spindles, and pins, etc,
possessed of the double property of tight fitting and expansiveness so as to at the
same time constitute a perfectly adjusted axle or spindle and do away with the
play arising from the wear and tear due to either the working or the bad boring
drilling or riming of the assembled parts.
The said axle or pin is made of a ribbon of annealed tempered steel or other
suitable elastic metal or material coiled in the shape of a spiral in the same manner
as the main spring of an ordinary clock, and its length, width and thickness are
calculated so as to suit the work to which it is to be applied. A same axle may be
fitted with spiral springs of different thicknesses or widths; or it may be provided
with two or a greater number of spiral springs. The central end of the spiral
spring or pin is provided with a hook or a notch so as to facilitate its coiling up; the
other end is thinned so that the circumferential spiral fits exactly into the internal
surface of the bored, drilled or rimed parts. *
} "
The hollow part of the spring axle or spindle may receive a solid pin if it is
considered necessary in order to consolidate it in certain circumstances.
This expansive axle or pin is applicable in a large number of instances in which
solid, plain or hollow, axles or spindles are used, such as in connecting rods and
piston heads, railway signals, levers, link chains, rigid connections, drawing instru-
ments, etc, etc; it may also be used as a bolt or a joint pin.

page_text: JULES ALBERT BERLY Civil and Electrical Engineer of 3 Deronda Road, Herne
Hill, London, S.E. do hereby declare the nature of this invention (a communication
from Mr. N. Coulaud) 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 my invention is the construction of tight fitting and extensible
axles, spindles, pins, etc, intended to replace the ordinary axles, spindles, pins,
cotters, etc generally used in joints, articulated or not, and other pieces of mechanism
and machinery assembled together.
When two or more pieces are assembled or connected together by means of axles,
spindles, pins or cotters etc, there is always at first a certain amount of play due
to imperfect boring, drilling, riming or slotting and also to the practical impossibility
of making the parts mathematically fit together. This play is soon increased by
the knocking of the working parts and the wear and tear.
In my improved joint, the axles, spindles, or pins etc, are made of a strip or
ribbon of annealed tempered steel or other suitable elastic metal or material and
wound or coiled in the shape of a spiral similarly to the main spring of a clock or
a watch.
The length, width, thickness and number of turns of the said spiral spring are
calculated according to the requirements of each case.
The same spiral spring may vary in thickness or in width; and one axle, spindle,
or pin etc, can be composed of more than one spring or strip of material.
The central end of the spiral spring is provided with a hook or a notch so as to
facilitate the operation of coiling it; the other end is thinned out so as to allow the
circumferential spiral of the spring to fit exactly into the internal surface of the
drilled, bored, or rimed parts inside which it is working.
In the annexed drawing the improved extensible axle is, all throughout,
marked B.
Fig. 1. is a view of a connecting rod actuating a vertical rod; the axle B is
horizontal.
Fig. 2. represents the connection of two rigid rods such as are used in the working
of Railway signals and points from a distance; the axle B is vertical.
Fig. 3. is a view of a portion of a link chain provided with the improved tight
fitting and extensible axle B.
Fig. 4. is a view of two pieces rigidly connected by means of extensible axles B
B B.
Fig. 5. is a view of a divider or of a mathematical instrument the head joint of
which is made with an extensible axle B.
Fig. 6. is a view of an extensible axle B used as a stop pin in connection with a
screw and nut; the same axle can be used in the room of split or stop pins in
connection with washers, rings, set collars, etc.
Fig. 7. is a view of an extensible axle B made with only one turn of the ribbon
or material.

page_text: If it is desirable, the hollow central part of the extensible axle may receive a
plain pin so as to strengthen the joint.
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
I claim is:
The construction of tight fitting and extensible axles, spindles, pins, made of strips
of elastic material coiled in spiral and their use in connection with pieces of
mechanism assembled together for the purposes set forth and as herein described
and illustrated.