IMPROVED FEED MOTION FOR CERTAIN WOOD CUTTING MACHINES
Year: 1885

page_text: I, THOMAS NIELD ROBINSON, of the firm of Thomas Robinson and Son, Limited,
of the Railway Works, Rochdale, in the County of Lancaster, Machine Maker do
hereby declare the nature of said Invention for IMPROVED FEED MOTION FOR
CERTAIN WOOD CUTTING MACHINES to be as follows:-
.IS
My invention relates to improvements in the feed motion of certain wood cutting
machines which improvements are particularly applicable to either single or double
deal frames, and consists chiefly in combining a horizontal with a vertical roller
feed.
To effect this I employ two or more horizontal feed rollers to support each deal
or baulk of timber and two, or other number, vertical feed rollers to bear against
one side of the deal or baulk, upon the other side of which are two, or other
number, vertical guide rollers: both sets of feed rollers are preferably fluted. or
corrugated and are driven from the feed shaft or other shaft by gearing in any
convenient manner. The vertical feed rollers are adjustable to accomodate varying
widths of deals or baulks, and are weighted with strong volute or other springs to
keep the rollers constantly in contact with the side of the deal..
This improved feed motion is equally adapted for either single or double frames
for sawing deals.

page_text: · I THOMAS NIELD ROBINSON, of the firm of Thomas Robinson and Son. Limited,
of the Railway Works, Rochdale, in the County of Lancaster, Machine Maker,
do hereby declare the nature of said Invention for IMPROVED FEED MOTION FOR
CERTAIN WOOD CUTTING MACHINES, and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement:-
My invention relates to improvements in the feed motion of certain wood cutting
machines, which improvements are particularly applicable to either single or
double deal frames, and consist chiefly in combining a horizontal with a vertical.
roller feed.
To effect this I employ two or more horizontal feed rollers to support each deal
or baulk of timber and two, or other number, vertical feed rollers to bear against
one side of the deal or baulk upon the other side of which are two, or other
number, vertical guide rollers; both sets of feed rollers are preferably fluted or
corrugated and are driven from the feed shaft or other shaft by gearing in any
convenient manner.. The vertical feed rollers are adjustable to accomodate varying
widths of deals or baulks and are weighted with strong volute or other springs to
keep the rollers constantly in contact with the side of the deal..
This improved feed motion is equally adapted for either single or double frames
for sawing deals.
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 front elevation and Fig. 2 a side view of what is known as a
double deal frame to which my improved feed motion is applied.
i In these views-a is the shaft from which the feed motion is driven. The
shaft a receives its motion preferably by means of the grooved ratchet wheel bias
shown, but it may be driven in other convenient manner. On the shaft a is fixed
a gear c which drives a gear d fixed on one end of a cross shaft-e at the other end
of which, is secured a pulley f which transmits motion by a chain or band g to
another pulley. h fixed on a cross shaft i which carries two of the ordinary
horizontal fluted feed rollers j. The remaining two horizontal feed rollers ; are
carried by a cross shaft k on which is fixed a gear which takes its motion from a
carrier wheel driven by a gear i¹ fixed on the cross shaft i
The above described arrangement of parts constitutes the ordinary horizontal
feed motion of a double deal frame.
On the cross shaft e are secured two bevel wheels m each of which gears into
and drives a bevel wheel n¹ fixed on the end of a vertical shaft n near the other end
of which is secured a gear o. Each gear o drives by means of two adjustable carrier
wheels p p a gear r fixed on the end of a vertical shaft r¹ upon which are secured
two vertical Buted feed rollers 8 which bear against one side of the deal or baulk
of timber t. Each shaft r¹ with its two vertical fluted feed rollers s is carried by
an adjustable bracket u which has a screwed stem or tail u¹ and is supported and

page_text: free to slide in the framing v to and from the deal t. On each screwed stem u¹
which passes through a stationary bracket v¹ is coiled a strong volute spring w one
end of which bears against the stationary bracket and the other end against a
nut w provided with a hand wheel w by turning which the pressure exerted by
the spring won the bracket u can be regulated and therefore the pressure exerted
by the vertical feed rollers s against the side of the deal t. The other side of the
deal t is guided by the vertical guide rollers y which are supported in the
adjustable frame y¹ carried on the slides y in such manner that when required
the guide rollers y can be adjusted for varying sizes of deals or baulks by means
of the adjusting screw which passes through the nut y³.
When motion is given to the shaft a by means of the pulley b the gear c drives
the gear d and the shaft e and so motion is transmitted by the pulley f, chain or
band g and pulley h to the shaft i and the two horizontal feed rollers; fixed upon
it, the cross shaft k with the other pair of horizontal feed rollers ; being driven by
the gears, and . As soon as the shafte begins to revolve as described the
bevel wheels m drive the bevel wheels n¹ and the vertical shafts n which
transmit motion by the gears o, p p¹ and r, to the vertical shafts r¹ and thus a
revolving motion is imparted to the two pairs of vertical feed rollers 8 simul-
taneously with the revolving motion imparted to the two pairs of horizontal feed
rollers j.
Although I have only illustrated my Invention as applied to a double deal
frame it will be readily understood that it is equally applicable to single frames.
Having now particularly described 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 certain wood cutting machines, such as either single or double deal
frames, the combination with a horizontal roller feed motion, of a vertical roller
feed motion.
2. The use and application of the vertical roller feed motion constructed and
arranged substantially as herein set forth in combination with a horizontal roller
feed motion as described.
3. In either a single or double deal frame, the combination with two or more
vertical guide rollers, of two or more vertical feed rollers weighted by a spring or
springs and adjustable to and from the deal or baulk of timber to be cut sub-
stantially as and for the purposes herein described and as illustrated by the
Drawings annexed.