IMPROVEMENTS IN APPARATUS FOR SECURING OR FASTENING THE DOORS OF SAFES AND STRONG ROOMS
Year: 1869

page_text: PROVISIONAL SPECIFICATION left by William Frederick Fuller at the
Office of the Commissioners of Patents, with his Petition, on the
19th May 1869.
I, WILLIAM FREDERICK FULLER, of the Bank, Worthing, in the
County of Sussex, do hereby declare the nature of the said Invention
for "IMPROVEMENTS IN APPARATUS FOR SECURING OR FASTENING THE DOORS OF
SAFES AND STRONG ROOMS," to be as follows:-
This Invention has for its objects improvements in apparatus for
fastening or securing the doors of safes and strong rooms.
At the present time in banks, jewellers' shops, and other places it is
common, in addition to employing the ordinary lock bolts of a lock to
secure the door of a safe or strong room, also to employ a bolt let down
or moved backwards and forwards from the room above or below or at
the side of the room containing the strong room or safe, the access to the
end of such bolt being through the door or lid of a small safe or strong
box made secure by a good lock. When large bolts however are
employed for this purpose the weight of these bolts is considerable and
ropes and pulleys have in some cases been employed to facilitate the
raising and lowering of such bolts.

page_text: Now according to my Invention I make the stem of the bolt with a
screw thread upon it so that by turning the screw stem by a hand wheel
upon its upper end the bolt may readily and with very little exertion
be raised and lowered or moved to and fro'. With the upper end of the
stem of the bolt I also combine a lock by which when the bolt is
fastening the door of the safe or strong room the stem of the bolt may
be locked and prevented from turning. The lock may either be carried
by the screw stem itself so that its bolt may be shot into a recess in tho
small safe or strong box, or the lock may be carried by the interior of
the small safe or box and its bolt shot into a recess in the screw stem,
The lid of the small safe or strong box may be secured by a lock separato
from the lock by which the screw stem is secured, or the lid may be
arranged to come close down on to the end of the screw stem so that
one lock may serve to lock both of them, diagonal bolts being then
employed to lock the lid.
The arrangement I prefer is as follows:-The lock holt itself I form
with a screw thread around it to screw into the door frame and also to
be capable of being screwed down into a projection on the back of the
door so that when the bolt is thus screwed down the door and door
frame are tied together by the screw thread upon the bolt. At the
opposite end of the stem of the bolt I also form a corresponding screw
thread to screw through an opening in the bottom of the small safe or
strong box so that all the parts are tied or bound together by the screw
bolt. On the upper end of the screw stem and within this small safe or
strong box is a hand wheel and also a frame carrying the lock which is
to prevent the screw stem from being turned. The keyhole of this lock
is arranged to be opposite the back of the safe when it is in position for
its bolt to be shot so that it cannot be readily be got at for the purposo
of packing. As before stated the door or lid of this safe or strong box
might be secured by bolts from the same lock, diagonal bolts being then
employed. In this case also the keyhole should be at the back of the
safe so that it cannot readily be got at for picking, although the propor
key can readily be inserted into the keybole.