An Improvement in the Manufacture of Pad and other Locks and Latches.
Year: 1897

page_text: Date of Application, 18th Jan., 1897
Complete Specification Left, 5th Apr., 1897-Accepted, 5th June, 1897
An Improvement in the Manufacture of Pad and other Locks and
Latches.
THOMAS PARKES of 52 Wellington Road Bilston in the County of Stafford
Commercial Traveller do hereby declare the nature of this invention to be as
follows:
That the application of my improvement to locks in general use will render them
exceedingly difficult if not impossible for any person to pick them, however
common in other respects the locks may be. I take the pin from the parts of
an ordinary pad lock about to be made, and which pin is made to fit the key to be
used.
Before I fix this pin in the place for it, I take a circular piece of metal, or any
other shape when preferred, and make a suitable hole in it to fit the said pin,
upon which I firmly fix the said plate where required; I then fix the pin in its
place in the usual way. I then make a key the novelty of which is that a part of
the bit of the key always projects lower than the pipe or barrel end of the key
used, so that when the key is turned round the lower projecting part passes under
the aforesaid plate while the other part takes its bearing upon the upper part of
the same plate; this said plate hides the internal construction of the lock from
view, and prevents persons from picking it. If the key. used be a pin key, then a
small additional bole is made in the aforesaid plate of metal for the pin end of the
key to work or turn in when the key is used.
Dated this Sixteenth day of January 1897.
An Improvement in the Manufacture of Pad and other Locks
Latches.
I THOMAS PARKES, of 52 Wellington Road Bilston, in the County of Staffor
Commercial Traveller 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:—
I take a metal pin, similar to those used in the manufacture of locks, and latches
in general use; or I may take any other metal pin, of whatever, length, shape, or
size I may require, or consider suitable to use; but before I fix it in its proper
place, I take a piece of metal, or metal plate, of a circular, or of any other shape,
length, or size, which I may consider wise to use. I then make a hole in the centre
of this piece of metal, for the reception of the said pin, and then force the piece of
metal on to the said pin, and fix it securely utilizing either a part, or the whole
of the available space of the pin, as may be deemed advisable; or I may fix the
said piece of metal ou the pin in any other convenient way.

page_text: You will perceive that 6 Fig. 2, Fig. 3, and Fig. 4, represent the said piece of
metal, showing that a strong piece of metal has been used; and shaped into wards,
filling up all the available space of the pin, and made to fit the key, as represented
by Fig. 1; or I should when convenient, cast the said pin, and piece of metal
This said
together, in one piece, as represented by 6 Fig. 2, Fig. 3, and Fig. 4.
piece of metal, may be manipulated into wards, for locks, and latches, in a great
variety of different ways, to suit my improved key Fig. 1. This is a great
advantage, hitherto unavailable, in the internal construction of locks, and latches
in general use; but which is now made available, by the use of my improved key,
and piece of metal, when used in connection with each other; as represented at a
and b Fig. 3. Having made the key represented at Fig. 1, the novelty of which
is that a part of the bit of the key, as represented at a Fig. 1, and a Fig. 3, must
always project, to a greater, or less extent, below the end, or bottom of the barrel;
or below the end or bottom of the pin; of my improved key. The projecting
part of the bit, as represented at a Fig. 1, and a Fig. 3, when the key is used,
turns round the inside of the lock; while the upper part of the said bit, rests upon
the aforesaid. piece of metal, which prevents any key from entering the lock; or
latch, except my improved key, thus causing the lock, or latch to be less liable of.
being tampered with-effectually. The bit of the key represented by a Fig. 1
and a Fig. 3 whether connected with a barrell or pin; I make any shape, length,
or size, suitable to my requirement.
When a pin key is used, it is necessary that a suitable hole be made in the piece
of metal; so as to take the bearing of the key when used.
It will now be evident, that, the application of my improvement to locks, and to
latches; opens out a field, for the introduction of a great variety of locks, and,
latches to differ from each other; aud thus make them more secure than heretofore,
and at less cost.
c Fig. 3 and 4 represents a bar or ward of the lock.
Fig. 4 represente a portion of a lock, with part of the cap removed.
Having now particularly described, and ascertained the nature of my said
invention, and in what manner the same is to be performed; I declare that what
I claim is
1st. To attach a suitable piece of metal, to the pin of a lock; and which metal
I manipulate into wards, in a diffenent place, and manner than heretofore; sub-
stantially, in the manner and for the purposes described, and illustrated, in the
accompanying drawings.
2nd. To make a key to suit the aforesaid pin, and piece of metal, by always
having the bit of the key to project below the pipe, or solid end of the same key,
which leaves a portion of the bit, to be manipulated as required; substantially, and
for the purposes herein described.
Dated this Third day of April One thousand eight hundred and ninety-seven.