Improvements in Wringing and Mangling Machines.
Year: 1890

page_text: Date of Application 30th June, 1890-Accepted, 2nd Aug., 1890
COMPLETE SPECIFICATION.
Improvements in Wringing and Mangling Machines.
We, BRUNO PRAGER and BERNHARDT WEISS, both of 7 Kleine Plauenschegasse,
Dresden, Saxony, in the Empire of Germany, Manufacturers, do hereby declare the
nature of our said invention 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 our invention is to manufacture improved wringing and mangling
machines, in which the ends of the rollers are placed under the direct action of spiral
springs, and provision is made for the separation of the rollers from one another, while
revolving.
And in order that our invention may be particularly described and ascertained,
reference is hereby made to the accompanying drawings, in which similar letters of
reference indicate corresponding parts.
Fig. 1 is an elevation of our invention, (partly in section). Fig. 2 is an end view,
next to the handle bar. Fig. 3 is a plan view of the handle bar end, with the handle
bar removed, and Fig. 4 is an elevation, partly in section, showing the method of
supporting the rollers.
a a are the vertical frames in which the rollers b. c are supported. The roller c is
supported, by means of its axle d, in the lower parts of the frames a a, as shown in
Fig. 4. The axle e of the roller 6 is retained in position by sliding blocks f, which are
capable of sliding in the frames a a. The sliding blocks f. are pressed downwards by
spiral springs 9; one at each end of the rollers. The pressure of the springs is
regulated by the hand wheels h and screws i. is a crown wheel keyed to the axle d.
This wheel is in gear with the vertical pinion m, mounted in the frame, as shown in
Figs. 1, 2, and 3. The pinion m gears with the crown wheel n, which is keyed to the
axle e of the roller b. By these means the rollers bc are driven, in contrary directions,
at equal speed. o is a handle bar, keyed or otherwise fixed to the axle d.
The communication of rotary motion to the crown wheel n and roller b, by means
of the vertical pinion m, permits the roller b to rise and fall without disengaging the
driving gear, while in motion.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is =
1. In the construction of wringing and mangling machines, the application and use,
in combination therewith, of spiral springs, for the purpose of imparting the necessary
pressure to the rollers, substantially as hereinbefore described and illustrated by the
drawings.
2. In the construction of wringing and mangling machines, the application and use,
in combination therewith, of the improved driving gear consisting of the crown wheel k,
fast on the shaft d, gearing with the vertical pinion m; the latter gearing with the
crown wheel n, substantially as and for the purposes hereinbefore described and
illustrated by the drawings.
3. The general construction, arrangement, and combination of the several and
respective parts, together forming our invention of improvements in wringing and
mangling machines, substantially as hereinbefore described and illustrated by the
drawings.
GEO. DOWNING,
8, Quality Court, London, W.C., Agent for Applicants.
COT AN
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