IMPROVEMENTS IN MLOWERS AD ANDADAMING PAD SAWING WOOD
Year: 1862

page_text: LETTERS PATENT to John Robinson, of Rochdale, in the County of
Lancaster, Timber Merchant, for the Invention of "IMPROVEMENTS IN
MLOWERS AD ANDADAMING PAD SAWING WOOD."
Sealed the 9th December 1862, and dated the 13th June 1862.
PROVISIONAL SPECIFICATION left by the said John Robinson at the
Office of the Commissioners of Patents, .with his Petition, on the
13th June 1862.
I, JOHN ROBINSON, of Rochdale, in the County of Lancaster, Timber
Merchant, do hereby declare the nature of the said Invention for "IMPROVE-
MENTS IN MACHINERY OR APPARATUS FOR SAWING WOOD," to be as follows:-
My Invention has reference to those machines for sawing wood, commonly
called timber and deal frames, and consists in causing the whole of the feed
to take place during the upward motion of the saws, and in bringing the feed
into operation after the greater part of the said upward motion of the saws
shall have taken place; the timber therefore remains stationary during the
cutting of the saws.
The above arrangement supposes the cutting to be effected by the downward
motion of the saws, but the respective movements may be reversed.
Another part of my Invention consists in mounting the skeleton upon
centres or other adjustable parts, whereby its angle may be varied, and thus
effect different amounts of "lead" to the saws.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said John Robinson in the Great Seal Patent Office on the 13th
December 1862.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, JOHN
ROBINSON, of Rochdale, in the County of Lancaster, Timber Merchant,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Thirteenth day of June, in the year of our Lord One
thousand eight hundred and sixty-two, in the twenty-sixth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me,
the said John Robinson, Her special license that I, the said John Robinson,
my executors, administrators, and assigns, or such others as I, the said
John Robinson, my executors, administrators, and assigns, should at any
time agree with, and no others, from time to time and at all times thereafter
during the term therein expressed, should and lawfully might make, use,
exercise, and vend, within the United Kingdom of Great Britain and
Ireland, the Channel Islands, and Isle of Man, an Invention for "IMPROVE-
MENTS IN MACHINERY OR APPARATUS FOR SAWING WOOD," upon the condition,
amongst others, that I, the said John Robinson, by an instrument in
writing under my hand and seal, should particularly describe and ascertain
the nature of the said Invention, and in what manner the same was to
be performed, and cause the same to be filed in the Great Seal Patent
Office within six calendar months next and immediately after the date of
the said Letters Patent.
-
NOW KNOW YE, that I, the said John Robinson, do hereby declare the
nature of my said Invention, and in what manner the same is to be performed,
to be particularly described and ascertained in and by the following statement
and accompanying Drawings (that is to say):-
My Invention has reference to those machines for sawing wood, commonly
called timber and deal frames, and consists in causing the whole of the feed
to take place during the upward motion of the saws.
The accompanying Drawing represents the side elevation of a machine
arranged to act according to my Invention. The main shaft is at a, upon
which is the crank b, communicating motion by means of the rods c, d, to the
skeleton and saws e. Upon the shaft a is also the eccentric f, which, through
the rod g, causes the lever h to vibrate, so as to drive the feed wheel i, by
According to the position shewn in the Drawing, the
crank b is at the bottom of its stroke, and the saws are, therefore, just about
means of the clamp k.

page_text: to commence their upward movement. The eccentric f is also at the bottom
of its stroke, and will, therefore, as the saws rise, cause the lever to vibrate
upon its centre, thus bringing the feed into operation while the saws are
being lifted for a cut; the timber therefore remains stationary during the
cutting of the saws. In thus arranging the relative motions, it will be
necessary to give the saws such a "lead" as will keep them clear of the
advance of the timber, which "lead" is effected by the ordinary and well
known means. I have above described the saws as being driven from their
lower ends; but the improvement will be equally applicable to arrangements
in which the driving power is applied at the top of the frame.
Having thus described and ascertained the nature of my said Invention,
and the manner in which the same is to be performed, I desire it to be
understood that I claim as secured to me under the above in part recited
Letters Patent, and as applied to sawing frames of the above-mentioned
description, causing the whole of the feed to take place during that motion of
the saws which is preparatory to a cut.
In witness whereof I, the said John Robinson, have hereunto set my,
hand and seal, this Twelfth day of December, in the year of our Lord
One thousand eight hundred and sixty-two.
JOHN ROBINSON. (L.S.)