IMPROVEMENTS IN MEANS On APPARATUS FOR ROCKING CRADLES
Year: 1872

page_text: LETTERS PATENT to David Nash, of Haddenham, in the County of
Buckingham, for the Invention of "IMPROVEMENTS IN MEANS On
APPARATUS FOR ROCKING CRADLES."
Sealed the 22nd October 1872, and dated the 16th August 1872.
PROVISIONAL SPECIFICATION left by the said David Nash at the
Office of the Commissioners of Patents, with his Petition, on the
16th August 1872.
I, DAVID NASH, of Haddenham, in the County of Buckingham, do
hereby declare the nature of the said Invention for "IMPROVEMENTS IN
MEANS OR APPARATUS FOR ROCKING CRADLES," to be as follows:-
The Invention has for its object improvements in mcans or apparatus
for rocking cradles. For this purpose we suspend the cradle by means
of rods from a bar supported by two uprights, between which the cradle
rocks or vibrates. One of these uprights is formed hollow, and has
fixed thereto a suitable clockwork which, by means of an escapement,
gives an impulse to a pendulum or pendent lever, which at its lower

page_text: end is connected to one of the rods supporting the cradle. Thus the
cradle becomes as it were a part of the pendulum, and when the
clockwork is in action the cradle is continually rocked or vibrated.
SPECIFICATION in pursuance of the conditions of the Letters Patent,
filed by the said David Nash in the Great Scal Patent Office on
the 15th February 1873.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, DAVID
NASH, of Haddenham, in the County of Buckingham, send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her
Letters Patent, bearing date the Sixteenth day of August, in the year of
our Lord One thousand eight hundred and seventy-two, in the thirty-
sixth year of Her reign, did, for Herself, Her heirs and successors, give
and grant unto me, the said David Nash, Her special license that
I,' the said David Nash, my executors, administrators, and assigns,
or such others as I, the said David Nash, my executors, adminis-
trators, and assigns, should at any time agree with, and no others,
from time to time and at all times thereafter during the term therein
expressed, should and lawfully might make, use, exercise, and vend,
within the United Kingdom of Great Britain and Ireland, the Channel
Islands, and Isle of Man, an Invention for "IMPROVEMENTS IN MEANS OR
APPARATUS FOR ROCKING CRADLES," upon the condition (amongst others)
that I, the said David Nash, my executors or administrators, by an
instrument in writing under my, or their, or one of their hands and scals,
should particularly describe and ascertain the nature of the said Inven-
tion, and in what manner the same was to be performed, and cause the
same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters
Patent.
NOW KNOW YE, that I, the said David Nash, do hereby declare
the nature of the said Invention, and in what manner the same is to bo
performed, to be particularly described and ascertained in and by the
following statement thereof, that is to say :-
The Invention has for its object improvements in means or apparatus

page_text: to start it in a similar way to an ordinary pendulum, and the rocking
of the cradle is continued by the impulses given thereto from the clock-
work until it is purposely stopped or the clockwork has run down, the
cradle simply taking the place of an ordinary pendulum.
66
scape wheel,"
In Figures 3 and 4 instead of employing the ordinary escapement 5
as shown in the other Figures, I dispense with the "
pallets,"
," "verge," and "crutch," and I substitute in lieu thereof an
axis h, having on one end thereof a crank h¹ which passes into the
slotted opening 62 in one of the pendent rods b. In this arrangement
the clockwork is also shown with a "fusce," but the other parts are 1
similar in both arrangements.
The action of the apparatus shown at Figures 3 and 4 is as follows :-
When the clockwork is wound up, motion is given to the cradle by
hand, the crank will then, when the cradle has vibrated to its full
extent in one direction, make a semi-rotation, and in doing so will 1
travel from near one end of the slotted opening 6º to the other, and
will strike on the opposite side thereof, that is to say, on the side
towards which the cradle will next rock or vibrate, and in doing so will
give a suitable impulse thereto in that direction, and so on. The crank h¹
with the slotted opening 6s will thus act as an escapement to the clock- 2
work f, which will continue to rock or vibrate the cradle a until it is
either purposely stopped or the clockwork has run down.
If desired, in order to deaden the sound of the crank in striking
against the sides of the slotted opening 6%, such parts or one of them
may be covered with leather, vulcanized india-rubber, or other suitable 2
material; or, as shown at Figure 5, the slotted opening 6' may be
dispensed with and the crank h¹ may be connected to the pendent rod b
by a link or connecting rod h², such link being formed of or bushed
with leather or other suitable noiseless material.
I would here remark that the proportions and shape of the various
parts may be varied without departing from the nature of my
Invention.
Having thus described the nature of my said Invention, and the mode
in which I carry the same into effect, I would have it understood that
what I claim is,-
3
First. The giving a rocking or vibrating motion to a cradle by means
of clockwork, in manner substantially as herein shown and described.

page_text: Secondly. I claim the mode of hanging a cradle a by means of rods 6
and spring steel b' or its equivalent in combination with any suitable
clockwork to give motion to such cradle, in manner. substantially as
.herein shown and described.
->
Thirdly. I claim the mode of giving a rocking or vibrating motion
to a cradle a by means of the "crutch" of any suitable clockwork
mechanism, in manner substantially as shown and described with respect
to Figures 1 and 2.
Fourthly. I claim the mode of giving a rocking or vibrating motion
to a cradle a by means of any suitable clockwork giving motion to a
crank acting in combination with a slotted opening & in one of the
supports 6 of the cradle, in manner substantially as hercin shown and
described with respect to Figures 3 and 4.
.
Fifthly. I claim the modo of giving a rocking or vibrating motion
to a cradle a by means of any suitable clockwork giving motion to a
crank /¹ connected to one of the supporting rods 6 of the cradle a by
a link or connecting rod ³, in manner substantially as herein shown and
described with respect to Figure 5.
In witness whereof, I, the said David Nash, have hereunto set my
hand and seal, this Thirteenth day of February, in the year of our
'Lord One thousand eight hundred and seventy-thrce.
The Mark of DAVID NASH. (L.S.) ·
Witness to the Mark of David Nash,
G. J. SHIRLEY.