Portable Lock for Books, Letters, and Papers.
Year: 1891

page_text: Date of Application, 22nd Sept., 1891
Complete Specification Left, 22nd July, 1892-Accepted, 22nd Sept., 1892
PROVISIONAL SPECIFICATION.
Portable Lock for Books, Letters, and Papers.
CHARLES MCGUIRE BATE 36 Eardley Crescent Earl's Court London Engineer
do hereby declare the nature of this invention to be as follows:-
My invention consists of a lock which is capable of being fastened to books
letters papers so as to prevent their being opened. I take a lock case of any
suitable material to which is hinged or attached a plate bent in such a manner
that the lock case being on one side of the books papers the plate when closed
is on the other side of the book forming a clip. This plate is capable of being
locked to the lock case in this position by means of a bolt actuated by a key
in the lock case engaging either the hinge to prevent its being turned or on
a point or projection fastened to the plate which passes through the book pre-
venting the clip from being opened until the key is inserted releasing the bolt
either from the hinge or from the point or projection passing through the book.
Dated this 21st day of September 1891.
C. McG. BATE.
COMPLETE SPECIFICATION.
Portable Lock for Books, Letters, and Papers.
1, CHARLES MCGUIRE BATE, of 36 Eardley Crescent, Earl's Court, London,
Engineer, do hereby declare the nature of this 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 drawing that is to say:—
My invention relates to an improved portable fastening for books, letters, and
papers, by means of which such books can be kept closed and locked, or letters, or
papers held together without fear of their becoming opened or separated until the
fastening has been first released by an appropriate key.
Supposing that my invention is to be applied to an ordinary note book, or
memorandum book, as illustrated in the accompanying drawing which is in illus-
tration of the invention, (Figure 1 shewing the fastening in position closed upon
the book, Figure 2 the same fastening without the book, Figure 3 the fastening
open, and Figure 4 a front view of Figure 3), I take a small portable and separate
lock a of suitable size and shape, to the upper edge of which is hinged a plate b,
the outer part of which c is turned down at right angles, so as to embrace the
edges of the book between itself and the parallel lock a. In this position the
plate is prevented from opening by means of the spring bolt of the lock which
is shot into a recess or groove e (Figure 4) in the plate b at the hinge upon which
it turns, and which can only be released by a proper key inserted into the keyhole
of the lock.
C
The body of the lock a has fixed to it a projecting pin d which is passed through
a hole which traverses all the leaves and covers of the book, and comes in contact
with or enters a hole or recess in the outer end of the plate e when the latter is
turned down and locked in position, so that it is quite impossible to remove the lock
or to open the book without violence. Or the pin d may be made to pass through
one of the covers and part of the leaves only.
The hinged plate may be held in position when locked by a projecting pin or
bolt passing through a bole in the hinge or in the plate b, or by equivalent means,
or the projecting pin d may be fixed upon the plate c, and after passing through the
Price 8d.1

page_text: book may enter an opening in the lock a in which it is held by a spring catch or
bolt which can only be withdrawn by the proper key.
It is evident that bundles of letters or papers may be held safely together in a
similar way to that described.
In the case of heavy books, instead of a pin passing transversely through the
book as shewn, two short pins or studs inside the lock a and the plate e respectively
may enter holes in the book covers or in plates fixed to the covers, without passing
through the leaves of the book.
I do not confine myself to the exact details of the fastening device described,
which may be varied more or less as may be found desirable, but
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, I'declare that what I
claim is :-
1. An improved portable fastening for books, letters and papers, consisting of a
moveable lock and a hinged plate embracing between them the book, letters, or
papers, a pin passing through or partly through such book, letters, or papers, and
a bolt or pin by which the fastening is kept closed, until released by a proper key,
substantially as described and illustrated.
2. The improved fastening for books, letters, or papers, consisting of a lock a,
hinged plate b, c, and pin d, arranged and operating substantially as described and
illustrated.
Dated this 21st day of July 1892.
EDWARDS & Co.,
35, Southampton Buildings, London, Agents for the Applicant.