AN APPARATUS OR MACHINE AS A SUBSTITUTE FOR OR TO BE ATTACHED TO LOCKS OR OTHER FASTENINGS, WHICH I DENOMINATE A LOCK PROTECTOR
Year: 1834

page_text: TO ALL TO WHOM THESE PRESENTS SHALL COME, I, the Right
Honorable Lord Baron AUDLEY, of Heleigh Castle, in the County of Stafford,
send greeting.
WHEREAS His present most Excellent Majesty King 'illiam the Fourth,
by His Letters Patent under the Great Seal of Great Britain, bearing date at
Westminster, the Eleventh day of October, in the fifth year of His reign, did,
for Himself, His heirs and successors, give and grant unto me, the said Lord
Baron Audley, His especial licence, full power, sole privilege and authority,
that I, the said Lord Baron Audley, my exors, admors, and assigns, or such
others as I, the said Lord Baron Audley, my exors, adiñors, or assigns, should
at any time agree with, and no others, from time to time and at all times
during the term of years therein expressed, should and lawfully might make,
use, exercise, and vend, within England, Wales, and the Town of Berwick-
upon-Tweed, my Invention of "AN APPARATUS OR MACHINE AS A SUBSTITUTE FOR
OR TO BE ATTACHED TO LOCKS OR OTHER FASTENINGS, WHICH I DENOMINATE A LOCK
PROTECTOR;" in which said Letters Patent is contained a proviso, that I, the said
Lord Baron Baron Audley, shall 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 said Majesty's High Court of Chancery within six calendar
months next and immediately after the date of the said in part recited Letters
Patent, as in and by the same, reference being thereunto had, will more fully
and at large appear.
NOW KNOW YE, that in compliance with the said proviso, I, the said
Lord Baron Audley, do hereby declare the nature of my said Invention, and

page_text: the manner in which the same is to be performed, are fully described and
ascertained in and by the following description thereof, reference being had
to the Drawing hereunto annexed, and to the figures and letters marked
thereon (that is to say):-
My Invention relates, first, to a means of applying a certain tube, to which a
piece of bladder or other thin substance may be affixed, so as to cover the aper-
ture thereof, whereby the lock cannot even be attempted to be opened without
destroying such covering of bladder or other substance; but as it is not new
to cover keyholes with paper or other material, but only in regard to the
manner in which I am enabled to carry the same into effect, I have attached
a Drawing to this my Specification of one arrangement of a lock to which my
Invention is to be applied, at the same time I would remark that I do not
confine myself to such arrangement in regard to the lock, as the Invention
may be applied to other locks.
DESCRIPTION OF THE DRAWING.
Figure 1 represents the front of the lock; Figure 2 is also a view of the
front of the lock, the plate being removed in order to shew its internal struc-
ture; Figure 3 shows another front view, the parts being represented as they
would appear when the lock is unlocked; Figure 4 is a back view of the lock,
and Figures 5 and 6 are side sections. In each of these Figures the same
letters indicate similar parts.
A, the back plate or lock; B, the keyhole; C, the first movement on which
the key operates; D, D, plates of metal which shoot into the hasps G, G, G ;
F, F, springs which operate on the sides of the plate; II, the saddle or frame
which keeps the works together; G, G, G, the hasps. The operation of lock-
ing or unlocking is performed by putting the key into the front hole B and
turning it round it until it comes in contact with the soles or feet of the first
movement or metallic plates C, C, which being lifted as the key turns round,
the lifting thereof operates upon the perpendicular plates, layers, or levers on
the side wings, which are denominated D, D, and causes them to fall back or s
unlock from the hasps G, G, G.
The chief Invention or improvement which I claim consists in my lock
protector, videlicet, a hollow tube and pin therein, concurrent therewith, which
enters into the pipe of the key; the said protector is made to screw into the
hinder plate or back of the lock at I, and when it is unscrewed therefrom the 3
possessor is enabled to affix a piece of bladder or other thin substance upon
the internal face of the keyhole, which said substance so affixed prevents any
instrument from being inserted without a rupture or abrasure of such thin

page_text: substance so added, thereby rendering any attempt impossible to pick the said
lock without detection. Added to this, the mode in which I construct the
internal movements is composed of from one to more plates, which are acted
upon by the key, as before described. In the body of the works is a small
space or orifice, in which is a minor spring, which throws out G, G, G.
The Drawings 2 and 3 hereunto annexed represent the superficies of two
plates only, for the purpose of a more correct delineation, but the sections shew
four plates each. I do not, however, limit myself to any fixed number, inas-
much as they being thin and smooth plates of metal, the like may vary from
one to a hundred or more; I do not, however, claim such plates exclusively,
similar having been used for like purposes; but I do claim the parts C
for separating the plates D, D, in the act of opening the lock. The utter
impossibility of picking this lock will be demonstrated. In conclusion, I would
observe, that (not confining myself to any sweep, circle, or angle in forming or
using the above plates,) that part of my Invention called a lock protector or
cylindrical tube with pin, vide M in sections; upon the grounds of safety, is
strictly applicable to all locks, latches, and other fastenings of whatever
description now extant.
In witness whereof, I, the said the Right Honorable George Lord
Audley, have hereunto set my hand and seal, this Eleventh day of
April, in the year of our Lord One thousand eight hundred and
thirty-five