Year: 1886

page_text: We, JOHN MINORS, DENNIS MINORS, and ALBERT MINORS, trading together in
copartnership as John Minors and Sons, of 26 Union Street, Willenhall in the
County of Stafford, lock manufacturers, 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, reference being had
to the accompanying drawings and the letters of reference marked thereon (that
is to say):
This invention relates to the description of padlocks known as "Scandinavian,"
and which as usually constructed consist of a loose shackle capable of being pushed
within and withdrawn clear from a cast metal case or hollow block containing two
or more levers or plates capable of being turned, by means of a suitable key, into
corresponding notches in the ends of the shackle to lock such shackle when inserted
within the case.
The shackle, as ordinarily constructed, has the ends for insertion into the case of
the same or approximately the same length, and the lock is unfastened by with-
drawing both of such ends clear of the case after unlocking them. Inconvenience
is experienced with a padlock of this construction from the fact that it cannot be
hung by the shackle without being locked as the case would drop off the shackle,
and also from the liability of the shackle to be lost by being separated from
the case.
Now, the object of this invention is to avoid in a simple manner the inconvenience
referred to, by employing a shackle formed with a stop on one end thereof so that
it cannot be withdrawn from the case, such end being longer than the other so
that it may pass further into the case and thus, without its being withdrawn from
the case, permit of the shackle being drawn upwards sufficiently to bring the shorter
end clear of the case so that the shackle may be turned aside (or the case turned
aside from the shackle) so as to be removed from or placed around a staple or
corresponding part.
This object is effected, according to this invention, by the means which we will
now proceed to describe with reference to the accompanying drawings.
Figure 1 is a transverse vertical section through a "Scandinavian" padlock, but
shews the shackle in elevation. The usual levers and spring are omitted for the
sake of simplicity. A is the ordinary case and B the shackle. The end C of the

page_text: shackle is made longer than the end D and is formed with a stud or rivet a pro-
jecting from its end. After the end C has been inserted through the opening b
a collar or washer c is placed around the rivet a the end of which is then riveted
over such collar so as to fix it to the end of the shackle. An opening d is carried
up into the metal at the top of the case so as to form an annular space around the
shackle, and as the shackle is drawn up the collar or washer o passes up into this
annular space, and coming in contact with the metal at the top thereof securely
prevents the part C of the shackle from being drawn out of the case. The part D
of the shackle, being shorter than the part C, is drawn out of the case previously
to the collar or washer c coming in contact with the top of the case, and the shackle
may therefore be turned, on the axis of the part C, sideways from the case (or the
case be turned sideways from the shackle) so as to connect or disconnect the padlock
with a staple or other part. If the difference between the lengths of the parts C
and D within the case is made sufficient the bottom of the part D may of course be
drawn so far above the case as to make it unnecessary to turn the shackle.
Figure 2 is a corresponding. view to figure 1, and the corresponding parts are
similarly lettered, but this view shews a modified arrangement for forming a stop
within the case to the part C of the shackle. According to this modification, an
enlargement o is formed on the end C of the shackle, and a hole d'is formed through
the top of the case sufficiently large to admit of the insertion of such enlarged end.
After the end C, with the enlargement thereon, has been inserted within the case,
the metal around the top of the hole d is hammered or forced in so as to reduce
the diameter of the hole at the top, as shewn at b, and thus form a stop to the
part c on the end C of the shackle.
It will be seen that part of the collar or washer c (figure 1) and of the enlarge-
ment c (figure 2) is cut away on the side towards the centre of the case. This is
done for the purpose of leaving clearance for the spring so as to avoid making the
case unnecessarily large.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed, we declare that what
we claim in respect of "Scandinavian" padlocks, is
1. Forming one end of the shackle longer than the other and fixing a collar or
washer on the bottom of such longer end after the same has been inserted within
the case, for the purpose set forth.
2. Forming one end of the shackle longer than the other and with an enlarge-
ment at the bottom thereof and after inserting such end through a hole in the top
of the case closing in the annular space left at the top of such hole in consequence
of the passage of the shackle therethrough, for the purpose set forth.
11
1000