IMPROVED LOCK POR GUNS AND PISTOLS
Year: 1809

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I.
JOHN MANTON, of Dover Street, in the Parish of Saint George,
Hanover Square, and County of Middlesex, Gunmaker, do send
greeting.
WHEREAS His most Excellent Majesty King George the Third,
by His Letters Patent under the Great Seal of the United Kingdom
of Great Britain and Ireland, bearing date of Westminster, the
Eleventh day of December, in the fiftieth year of His reign, did give
and grant unto me, the said John Manton, my executors, adminis-
trators, and assigns, His special licence, full power, sole privilege and
authority, that I, the said John Manton, my executors, administrators,
and assigns, during the term of years therein expressed, should and
lawfully night make, use, exercise, and vend, within England, Wales,
and the Town of Berwick upon Tweed, my "IMPROVED LOCK POR GUNS
AND PISTOLS;" in which Letters Patent there is contained a proviso,
obliging me, the said John Mantou, under my hand and seal, to cause a
particular description of the nature of my said Invention, and in what
manner the same is to be performed, to be inrolled in His Majesty's

page_text: High Court of Chancery within two calendar months next and imme-
diately after the date of the said in part recited Letters Patent, as in
and by the same (relation being thereunto had) may more fully and
at large appear.
NOW KNOW YE, that in compliance with the said proviso, I, the
said John Manton, do hereby declare that my said Invention is
described in the plan or Drawings in the margin of these presents, and
the description thereof hereunder written, that is to say:
The Drawing, Fig. 1, shews the outside of the lock when at half
cock; Fig. 2, the outside when struck down; and Fig 3, the plan of
the inside. Letters A, represent the outside of the pan; B, the
hammer; C, the cock; D, the pin or screw which confines the ham-
mer and hammer spring, and on which the hammer acts; E, the inside
end of the pan, which comes opposite the touch hole, the hammer B,
acting downwards opens that side of the pan nearest to the cock C, to
admit the sparks to the prime; the manner of its opening is described
in the Drawing, Fig. 2; the hammer returning to its jointing fills up
the opening in the pan. The hammer is furnished with a strong steel
face, fastened by a stud in the back and a small screw thro' the
hammer. At the end of the hammer face, nearest the pan, is a small
grove or notch sunk in the hammer, to carry off any wet that may come
down upon it. The hammer is fixed to the plate by the same screw D,
that fastens the hammer spring on the inside; the hole in the shank of
the hammer being screwed, it turns on the hammer spring pin D,
which comes thro' the plate about three eighths of an inch. There is
a projection on the inside of the hammer spring one fourth of an inch
long, which comes through a square hole in the plate into a hole in
the shank of the hammer and forces it to return to its jointing with
the pau; when the lock is brought to half cock, the cock C, is flat on the
inside, and is barely one eighth of an inch thick, it passes between the
plate and the hammer when it comes down. The jaws project out-
wards to answer the hammer; a bulge is left on the breast of the cock
to render the fitting of the squares of the tumbler more strong and
perfect. When the lock is struck down, the flint comes in contact with
the hammer face, near the end, and forces it down sufficiently to admit

page_text: the sparks to the pan. The pan is three fourths or seven eighths of
an inch long from the outside of the plate. The Drawing, Fig. 3,
shews the inside of the lock so very plain and clear that it cannot be
misunderstood by any lockmaker. The inside of the pan E, is round,
and the same size from end to end; about one third is cut out to'
receive part of the hammer, as described in the Drawing, Fig. 1. The
main spring has a stud, like others. The end of the stud side is leveled,
to fit under the end of the nib, by which it is prevented from rising.
The crane of the tumbler has a roller in the end, on which the main
spring acts. The bridle has a strong leg on the inside with a round
stud, which fits into the plate near the sear nose, to prevent it from
twisting when the tumbler comes in contact with the eye to stop the
cock. The sear acts on the tumbler in the usual way, but the shank is
nearly vertical, instead of horizontal, as they are in general. The sear
spring acts on a shoulder left on the outside of the sear for that pur-
pose, and forces the sear nose to the tumbler. The pan of this lock
is primed from the touch hole, from the compression of the air in
loading.
The following are the principal advantages derived from this im-
proved lock: First, the pan being solid with the plate at top, protects
the prime from wet; secondly, the hammer opening downwards and
the flint acting in a direct line with the pan, the sparks communicate
quicker to the prime; thirdly, the hammer returns to its jointing with
the pan when the lock is brought to half cock, without any additional
trouble to the user; fourthly, the lowness and compactness of the lock
altogether renders it much less difficult to protect from wet, and much
less liable to accidents by catching, in cover shooting, than locks of the
present construction.
In witness whereof, I, the said John Manton, hath hereunto set
my hand and seal, this Tenth day of February, in the fiftieth
year of the reign of our Sovereign Lord King George the Third,
and in the year of our Lord One thousand eight hundred and
ten.

page_text: AND BE IT REMEMBERED, that on the Tenth day of February.
in the fiftieth year of the reign of His Majesty King George, the Third,
the said. John Manton, came before our said, Lord the King, in -His
Chancery, and acknowledged, the instrument, aforesaid, and all,,and,
every thing therein contained and specified, in form above written..
And also the instrument aforesaid was stamped according to, the tenor,
of the Statuto made in the forty-eighth year of His said Majesty's reign.
Inrolled the Tenth day of February, One thousand cight hundred
...and tentand him
inff
LONDON
Printed by GEORGE EDWARD EYRE and WILLIAM, SPOTTISWOODE,
Printers to the Queen's most Excellent Majesty. 1854
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