AN IMPROVED TENON CUTTING MACHINE
Year: 1873

page_text: LETTERS PATENT to Richard Samuel Charles Jelley and Robert
Canning Jones, of Blackfriars Road, in the County of Surrey, for
the Invention of "AN IMPROVED TENON CUTTING MACHINE."
PROVISIONAL SPECIFICATION left by the said Richard Samuel Charles
Jelley and Robert Canning Jones at the Office of the Commissioners
of Patents, with their Petition, on the 23rd January 1873.
We, RICHARD SAMUEL CHARLES JELLEY and ROBERT CANNING
JONES, of Blackfriars Road, in the County of Surrey, do hereby declare
the nature of the said Invention for "AN IMPROVED TENON CUTTING MACHINE,"
to be as follows (that is to say):
Our Invention has for its object an improved construction of
machinery for cutting or sawing tenons in wood, whereby great
simplicity in the general disposition and arrangement of the several
working parts and mode of employing the same is obtained, and
consists,―

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said Richard Samuel Charles Jelley and Robert
Canning Jones in the Great Scal Patent Office on the 21st July
1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, wc, RICILARD
SAMUEL CHARLES JELLEY and ROBERT CANNING JONES, of Blackfriars
Road, in the County of Surrey, send greeting.
WHEREAS Her most. Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Twenty-third day of January, in the
year of our Lord One thousand eight hundred and seventy-throc, in tho
thirty-sixth year of Her reign, did, for Herself, Her heirs and successors,
give and grant unto us, the said Richard Samuel Charles Jelley and
Robert Canning Jones, Her special licence, that we, the said Richard
Samuel Charles Jelley and Robert Canning Jones, our exccutors,
administrators, and assigns, or such others as wc, the said Richard
Samuel Charles Jelley and Robert Canning Jones, our 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 “AN IMPROVED
TENON CUTTING MACHINE," upon the condition (amongst others) that we,
the said Richard Samuel Charles Jelley and Robert Canning Jones, our
executors or administrators, by an instrument in writing under our, or
their, or one of their hands and scals, 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
Scal Patent Office within six calendar months next and immediately
after the date of the said Letters Patent.
NOW KNOW YE, that we, the said Richard Samuel Charles Jelley and
Robert Canning Jones, do hereby declare the nature of our said Inven-
tion, and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement, and the.
Drawings therein referred to (that is to say)
1
Our Invention has for its object an improved construction of
machinery for cutting or sawing tenons in wood (applicable to car-

page_text: machine constructed in accordance with our improvements; Fig. 2, side
view thereof, and Fig. 3, top or plan view of same; in each figure the
same letters of reference denote similar corresponding parts. A, A,
standard frame; B, B, table; C, C, saw frame sliding within the vertical
standard through the medium of the guides D, D, as shown; E, E, single
hand lever and balance weight E' for giving up and down motion to the
saw frame by a coupling link secured to the back of the machine; F, F,
pivot or fulcrum centre upon which the lever works; G, G, horizontal
bed fixed to the table supporting the fence H, H, in sliding grooves I, I,
as represented; J, J, hand-wheel with screw motion for shifting the fence;
K, K, propelling roller caused to revolve within bearings secured to the
fence; L, L, mitre wheels actuating the feed roller; M, M, spindle giving
rotation to the mitre wheels aforesaid by means of the ratchet and pawl
lever motion N and N¹ by the downward movement of the saw frame;
O, O, guide roller moving in opposite slide bearings within the bed plate
for pressing the wood against the fluted periphery of the feed roller, by
the action of tho tightening bar P and weight P¹ suspended beneath the
table; Q, Q, rods connecting the friction guide roller to the tightening
bar; R, R, retaining bolt moving in a fixed bearing on the fence for
holding the wood down by a set screw; S, S, saws fixed in the usual
manner.
The action of the machine is as follows:-On giving motion to the
saw frame through the medium of the hand lever the timber resting on
the fence is carried onward to the saws by the rotary action of the
propelling roller, which is moved forward one tooth or more of the
ratchet at each down stroke of the hand lever, whereby the tenon in each
plank can be cut as required by one man, the machine being self-feeding
and readily adjusted to other sawing purposes by removing one of the
saws.
Having now fully described and ascertained the nature of this our
said Invention, and the manner in which the same is to be performed
and carried into effect, we would have it clearly understood that we do
not intend to confine ourselves to the precise details herein-before set
forth and described, as the same may be otherwise varied without
departing from the general principle of this our said Invention, nor do
we claim as new and of our said Invention the exclusive use of the
several parts, combinations, and processes except when the same are

page_text: employed in and for the purposes of our said Invention, which wo
hereby declare to consist in constructing, arranging, and employing
tho said mechanism substantially in the manner and for the purposes
herein-before set forth and described.
In witness whereof, we, the said Richard Samuel Charles Jelley and 5
Robert Canning Jones, have hereunto set our hands and scals, this
Twenty-first day of July, in the year of our Lord One thousand
eight hundred and seventy-three.
Witness,
JOHN WATSON,
190, Blackfriars Road,
London.
RICHP. S. C. JELLEY. (L.s.)
"
R. C. JONES.
(L.S.)