IMPROVEMENTS IN CARDING ENGINES
Year: 1885

page_text: I WILLIAM DOBSON, of 20 Derby Square, Douglas, Isle of Man, and also of
Bolton, in the County of Lancaster, Engineer, do hereby declare the nature of
said Invention for IMPROVEMENTS IN CARDING ENGINES, to be as follows:-
My present invention consists of improvements on the Invention for which
I applied for Letters Patent on the 11th day of September A.D. 1884, Nº 12,273.
In the arrangement described in that application I employed arms or levers of
varying lengths pivoted at one end to the engine bend and at the other to the
concentric bend or flexible of a carding engine in such manner that by moving one
of these levers the positions of the other levers are altered and the flexible is drawn
in concentrically.
According to my present Invention I propose to connect one end of the flexible
to the engine bend on each side by a radial link or lever as before but in place of
having a number of such links or levers connected to the flexible and to the bend
at suitable distances apart I employ any convenient number (say three on each
side) of adjustable brackets each of which is secured to the engine bend and the
top of each bracket is curved or inclined and supports a pin or projection on the
flexible; the other end of the flexible is connected to the engine bend by a pin or
projection which rests in a slot preferably curved or inclined and formed in an
adjustable bracket or link secured or connected to the bend.
When the flexible is moved end wise the pins or projections move down the
curved or inclined surfaces on the adjustable brackets fixed on the bend thereby
causing the flexible to be drawn in concentrically with the cylinder; the flexible
may then be secured in any convenient manner.
In some cases in place of making curved or inclined surfaces on the tops of the
brackets I make curved slots in the brackets to guide the pins on the flexible.
Dated this 9th day of June 1885

page_text: I WILLIAM DOBSON, of 20 Derby Square, Douglas, Isle of Man, and also of
Bolton, in the County of Lancaster, Engineer, do hereby declare the nature of
said Invention for IMPROVEMENTS IN CARDING ENGINES, and in what manner the
same is to be performed, to be particularly described and ascertained in and by
the following statement :-
My present Invention consists of improvements on the Invention for which
I applied for Letters Patent on the 11th day of September A.D. 1884, No 12273.
In the arrangement described in that application I employed arms or levers of
varying lengths pivoted at one end to the engine bend-and-at the other to the
concentric bend or flexible of a carding engine in such manner that by moving one-
of these-levers the positions of the other-levers are altered and the flexible is
drawn in-concentrically.
According to my present Invention I propose to connect one end of the flexible
to the engine bend on each side by a radial link or lever as before but in place of
having a number of such links or levers connected to the flexible and to the bend
at suitable distances apart I employ any convenient number (say three on each
side) of adjustable brackets each of which is secured to the engine bend and the
top of each bracket is curved or inclined and supports a pin or projection on the
flexible; the other end of the flexible is connected to the engine bend by a pin or
projection which rests in a slot preferably curved or inclined and formed in an
adjustable bracket or link secured or connected to the bend.
When the flexible is moved end wise the pins or projections move down the
curved or inclined surfaces on the adjustable brackets fixed on the bend thereby
causing the flexible to be drawn in concentrically with the cylinder; the flexible
may then be secured in any convenient manner.
In some cases in place of making curved or inclined surfaces on the tops of the
brackets I make curved slots in the brackets to guide the pins on the flexible.
And in order that my Invention may be fully understood and readily carried
into effect I will describe the accompanying Sheet of Drawings, reference being
had to the figures and letters marked thereon.
Figure 1 is a side elevation of so much of a revolving flat carding engine as is
sufficient for the proper illustration of my Invention and Fig. 2 is a similar view
showing the curved slots in the brackets which in certain cases I propose to use
in place of the curved or inclined surfaces on the brackets.
In Fig. 1.-a is the main cylinder, b, the doffer and c the licker-in; d is the
concentric bend or flexible connected at one end to the engine bend e by the
link f; d' are the pins or projections secured to or formed with the flexible & and
which rest upon the curved or inclined surfaces g¹ of the brackets g which are
secured to the bend e by the bolts h; d is the pin or projection on the flexible
which rests against the curved or inclined surface of a slot formed in a bracket i
secured to the bend e by bolts h. When the flexible d is moved endwise which
movement may be effected in any convenient manner the pins d' move down the
inclined surfaces g¹ and the pin d² is guided by the inclined surface ¿¹ thereby
drawing in the flexible & concentrically with the main cylinder a.

page_text: After adjustment the flexible d may be secured in position in any convenient
manner.
In Fig. 2 the inclined surfaces g₁ are dispensed with and instead curved or
inclined slots g are formed in the brackets g. The pins & rest in and are guided
by these slots g' when the flexible d is moved endwise and thus the latter is
drawn in concentrically. The curved or inclined slots might be formed in the
bend e in place of in the brackets g.
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
1. In a carding engine, adjusting the flexible bend concentrically to the main
cylinder by means of pine or projections (or their equivalents) moving along curved
or inclined surfaces or slots.
2. The combination with the flexible d secured at one end to the bend e by the
link and provided with pins or projections d¹ d³ of the curved or inclined
surfaces g of the brackets g and the curved or inclined surface of the bracket i,
substantially as and for the purposes herein described and as illustrated by Fig. 1.
3. The combination with the flexible d secured at one end to the bend e by the
link fand provided with pins or projections d¹ ds of the curved or inclined slots g³
and the curved or inclined surface of the bracket i, substantially as and for the
purposes herein described and as illustrated by Fig. 2.