IMPROVEMENTS IN LOCKS FOR TRAVELLING BAGS, PORTFOLIOS, DESPATCH BOXES, AND SUCH LIKE DEPOSITORIES."
Year: 1857

page_text: LETTERS PATENT to William Leuchars, of No. 38, Piccadilly, in the
County of Middlesex, for the Invention of "IMPROVEMENTS IN LOCKS FOR
TRAVELLING BAGS, PORTFOLIOS, DESPATCH BOXES, AND SUCH LIKE DEPOSITORIES."
PROVISIONAL SPECIFICATION left by the said William Leuchars at
tho Offico of the Commissioners of Patents, with his Petition, on the
3rd March 1857.
I, WILLIAM LEUCHARS, of No. 38, Piccadilly, in the County of Middlesex,
do hereby declare the nature of the said Invention for "IMPROVEMENTS IN
LOCKS FOR TRAVELLING BAGS, PORTFOLIOS, DESPATCH BOXES, AND SUCH
DEPOSITORIES," to be as follows:-
This. Invention relates to certain improvements upon a former Patent,
dated the 18th day of July, 1856, No. 1690, granted unto me, the said
William Leuchars, for "Improvements in locks for travelling bags," and the
present Invention consists in connecting the bolt of the lock either directly
or indirectly with the knob or boss thereof in which the key hole is made,
thereby dispensing with the piece g, described and represented in the Speci-
fication of the aforesaid former Patent, No. 1690, and rendering the pulling
back of the bolt comparatively a secret operation, consequently affording
additional security to the lock when not fastened by the key thereof.
By this Invention the bolt is drawn back by turning the aforesaid knob or
boss partly round by the finger and thumb, instead of pulling back the piece
g, according to the aforesaid former Patent.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said William Leuchars in the Great Seal Patent Office on the
3rd September 1857.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, WILLIAM
LENCIARS, of No. 38, Piccadilly, in the County of Middlesex, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Iler Letters
Patent, bearing date the Third day of March, in the year of our Lord
One thousand eight hundred and fifty-seven, in the twentieth year of Her
reign,, did, for Herself, Her heirs and successors, give and grant unto me, the
said William Lenchars, Her special licence that I, the said William Lenchars,
my executors, administrators, and assigns, or such others as I, the said William
Lenchars, 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 "IMPROVEMENTS IN LOCKS FOR
TRAVELLING BAGS, PORTFOLIOS, DESPATCH BOXES, AND SUCH LIKE DEPOSITORIES,"
upon the condition (amongst others) that I, the said William Lenchars;
my executors or administrators, by an instrument in writing under my, or
their, or one of their hands and seals, should particularly describe and ascer-
tain 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 William Lenchars, do hereby declare the
nature of the said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement thereof, that is to say:―
My Invention relates to certain improvements upon a former Patent, dated
the 18th day of July, 1856, No. 1690, granted unto me, the said William
Lenchars, for "Improvements in locks for travelling bags," and the present
Invention consists in connecting the bolt of the lock either directly or
indirectly with the nozzle thereof in which the key hole is made, thereby
dispensing with the piece or knob, described and represented in the Speci-
fication of the aforesaid former Patent, No. 1690, and rendering the pulling
back of the bolt comparatively a secret operation, consequently affording
additional security to the lock when not fastened by the key thereof.
By this Invention the bolt may be drawn back by turning the aforesaid

page_text: nozzle partly round by the finger and thumb; instead of pulling, back the:
piece or knob, according to my said former Patent, No. 1690.
In order to explain my said Invention: as completely as possible, I now
proceed to describe the best means I am acquainted with for carrying the
same into practical effect, reference being had to the illustrative Drawing
hereunto annexed, and to the numeral Figures and letters of reference marked
thereon respectively, as follows:-
DESCRIPTION OF THE DRAWING.
Figure 1 is a front elevation of a lock constructed according to my present
Invention; Figure 2 a back elevation of the cap in which the nozzle of the
lock works, and to which the ordinary working parts of the lock are also
aflixed; Figure 3 is a top edge view of same. At each of the foregoing
Figures I employ' similar letters of reference to denote corresponding parts,
in so far as such parts appear or can be seen at each of such said Figures
respectively.
A, A, is the nozzle of the lock held in proper position between the plates
B, b, said nozzle being formed with a small flange c for that purpose; C, a
projecting piece formed upon the flange c; d, a pin fixed in the piece C. The
pin d takes into a notch in the bolt D of the lock; E, tumbler operated upon
by the pin e of the revolving part G of the lock. The locking movement is
effected by the key raising the tumbler E by the pin e, so that the screw f (in
the bolt) coming against the top of the tumbler E is arrested thereby, and the
bolt cannot then be drawn back by hand. There is an opening * formed in
the plate B, in which the piece C moves. By the above mode of combining
the nozzle of the lock with the other parts thereof, the bolt may be drawn
back by simply turning said nozzle partly round, instead of pulling back the
same by the action of the knob on the top, as described in my said former
Patent, No. 1690.
In conclusion I would remark, that the above improvements are equally
applicable to locks made on the lever or Chubb plan, to those made on the
Bramah plan.
Having now fully described the nature and object of my said Invention of
Improvements in locks for travelling bags, portfolios, despatch boxes, and
such like depositories," together with the best means I am acquainted with
for carrying the same into practical effect, I hereby declare my Invention
to consist in, and I claim, constructing locks with a revolving nozzle, and
combining the same with the bolt of the lock, for the purpose of enabling

page_text: said bolt to be drawn back independent of the key of the lock, as above
stated.
In witness whereof, I, the said William Lenchars, have hereunto set my
hand and seal, this Third day of September, in the year of our
Lord One thousand eight hundred and fifty-seven.
Witness,
ALEX. PRINCE, Agent for Patents,
W. LEUCHARS. (L.S.)
4, Trafalgar Square, Charing Cross.