Improvements in Straw Bruising Apparatus Applied to Thrashing Machines.
Year: 1886

page_text: Date of Application, 3rd May, 1886.
Complete Left, 2nd Feb., 1887.
Complete Accepted, 4th Mar., 1887.
PROVISIONAL SPECIFICATION.
Improvements in Straw Bruising Apparatus Applied to Thrashing
Machines.
We, JAMES GOOD of 23 Pelham Street, Lincoln in the County of Lincoln, Manager,
and ROBERT GAMBLE of 11 John Street, Lincoln, aforesaid, Machinist, do hereby
declare the nature of this invention to be as follows:-
drum to
This invention relates to certain improvements in straw bruising apparatus applied
in thrashing machines. Such apparatus comprises two bruising drums that we will
call the upper drum and the lower drum respectively, and these, according to our
invention, are arranged with their axes in different vertical planes, so that the lower
drum is situated sufficiently to one side of the vertical centre line of the
upper
admit of its ready removal without disturbing the upper drum. Opposite the lower
drum are fixed toothed bruising plates which are made reversible in such a manner as
to afford two wearing surfaces instead of one as in bruising plates as heretofore usually
applied. There
also provided below the lower drum a combined knife and toothed
plate which is or may be made reversible and comprises a series of teeth each provided
with a small blade or knife edge.
For pulling forward the pulse or short straws from the caving board to the bruising
drums, an arrangement of serrated blades is provided these serrated blades being
attached to the caving board.
W. LLOYD WISE,
46, Lincoln's Inn Fields, London, W.C.,
Agent for the Applicant.

page_text: COMPLETE SPECIFICATION.
Improvements in Straw Bruising Apparatus Applied to Thrashing
Machines.
We, JAMES GOOD, of 23 Pelham Street, Lincoln, in the County of Lincoln, Manager,
and ROBERT GAMBLE, of 11 John Street, Lincoln, aforesaid, Machinist, 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 certain improvements in straw bruising apparatus applied
in thrashing machines. Such apparatus comprises two bruising drums that we will call
the upper drum and the lower drum respectively, and these, according to our invention,
are arranged with their axes in a diagonal plane (that is to say) in different vertical
planes, so that the lower drum is situated sufficiently to one side of the vertical centre
line of the upper drum to admit of its ready removal without disturbing the upper
drum. Opposite the lower drum are fixed toothed bruising plates which are made
reversible in such a manner as to afford two wearing surfaces instead of one as in
bruising plates as heretofore usually applied. There is also provided below the lower
drum a combined knife and tooth plate which is or may be made reversible and
comprises a series of teeth each provided with a small blade or knife edge. For
pulling forward the pulse or short straws from the caving board to the bruising drums,
an arrangement of serrated blades is provided, these serrated blades being attached to
the caving board.
Referring to the accompanying three sheets of drawings which are respectively to
different scales Fig. 1 is a longitudinal vertical section of so much of a thrashing
machine as will suffice to illustrate the application of our invention. Fig. 2 shows in
elevation one side of one of the reversible toothed bruising plates and Fig. 3 is a trans-
verse section of the same shown fixed to an angle bar. Figs. 4 and 5 are similar views to
Figs. 2 and 3 of the combined knife and tooth plate, which in Fig. 5 is shown applied
to an angle bar. Fig. 6 is a plan or top view of part of the caving board with serrated
blades. Fig. 7 is a section (in a plane parallel to Fig. 1) of the caving board with
serrated plates, and Fig. 8 is a section of the same in the line X X Fig. 7. 1 and 2
are respectively the upper and the lower bruising drums their axes as will be seen are
arranged in a diagonal plane indicated by the line d. d, or in other words the axis of
the lower drum 2 is located in a vertical plane sufficiently to one side of that containing
the axis of the upper drum 1 to admit of ready removal of the lower drum without
disturbing the upper one. 3 and 3ª are slot guides at the sides of the machine for
admitting and retaining the shafts of the bruising drums. 4 are fixed reversible
toothed bruising plates; each provided with teeth 4ª the opposite sides 4° 4° of which
can be used alternatively for bruising straw. 5. 5. are slots or openings in the plates for
the insertion of bolts 6 that serve to connect the bruising plate to an angle bar 7 fixed
in the machine. The teeth 4º are thicker than the bruising plate 4 so that they project

page_text: at both sides as shown the projections form shoulders one of which overlaps the angle
bar 7 when the plate is in place. 8 is a plate fixed to the outer side of the bruising
plate 4 by bolts 6 so as to be flush with the corresponding sides of the teeth 4ª. With
this arrangement it will be seen that when the sides 4 of the teeth 4* are worn the
bruising plate may be reversed and the other sides 4 be then used for bruising. Such
reversible bruising plates are fixed in the thrashing machine opposite the lower drum 2
as shown in Fig. 1. 9 is a plate provided with teeth 10, each of which has secured to it
in any suitable manner a knife 11 this combination constituting the combined knife
and tooth plate. This combined knife and tooth plate is fastened in any suitable
manner to an angle bar 12 (or support) fixed below the drum 2. as shown in Fig. 1.
By providing knives at the opposite sides of the teeth 10 the combined knife and tooth
plate may be made reversible. 13 is the caving board to which are secured a series of
serrated blades 14 (clearly represented in Figs. 6, 7 and 8) for pulling forward the
pulse or short straws; the teeth of each blade alternate with those at its respective
sides as shown in Figs. 6 and 7.
:-
Having now particularly described and ascertained the nature of this invention and
in what manner the same is to be performed, we declare that what we claim is :-
In a thrashing machine with straw bruising apparatus ;-
1. The arrangement described and shewn for enabling the lower straw bruising
drum to be removed and replaced without disturbing the upper straw bruising
drum.
2. Making the toothed bruising plates reversible substantially as described.
3. The combined knife and tooth plate substantially as described whether reversible
or not.
4. Providing the caving board with serrated blades substantially as described.
5. The general arrangement of straw bruising apparatus in a thrashing machine as
described and represented in Fig. 1 of the drawings annexed.
W. LLOYD WISE,
46, Lincoln's Inn Fields, London, W.C.,
Agent for the Applicant.