Improved Means of Securing the Lids of End-over-end and Rotating Churns and Washing Machines.
Year: 1898

page_text: Date of Application, 12th Oct., 1898
Complete Specification Left, 30th June, 1899-Accepted, 12th Aug., 1899
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privativis
Complete Specification Left, 30th June, 1899-Accepted, 12th Aug., 1899
PROVISIONAL SPECIFICATION.
Improved Means of Securing the Lids of End-over-end and Rotating
Churns and Washing Machines.
I, THOMAS BRADFORD, of High Holborn, in the County of London, Dairy
Engineer, do hereby declare the nature of this invention to be as follows:-
This invention relates to improved means of securing the lids of end-over-
end and rotating churns and washing machines, and is designed to facilitate
the application and removal of the lids of such churns and washing machines
by lessening the number of movements required to fasten the lid or to unfasten
it, and to avoid the inconveniences incidental to the usual pivotally mounted
stirrup-screws by which such lids are customarily secured, and which require
the screw to be turned several times both to allow of the screw-end clearing the
end of the lid cross-bar when it is desired to remove the lid, and also to secure
the lid cross-bar when the lid has been replaced; and which, moreover, are
exposed and are liable to be quickly rusted by the brine or rinse water used in
the various operations of the churn and washing machines, when the lid is
removed.
To this end, the invention consists in a spring mounted fastening which has
a lateral sectoral motion both in being placed in, and in being removed from
position, and which is so mounted that, on its being turned into holding posi-
tion, it is, at the same time and by the same operation screwed down onto the
end of the lid cross-bar so as to tightly hold the lid against the churn or
washing machine end or opening, and that, on its being turned out of holding
position, it is, at the same time that pressure on it is released, automatically
raised from off the end of the lid cross-bar, so that no further manipulation is
required to allow of the removal of the lid, the fastening of the lid being
equally simple and absolutely effective and sure; the sectoral movements of the
fastener being limited at each end by stops engaging with a holder by which
the improved fastening means are applied to the churn or, washing machine
side or end.
The fastener is made cylindrical in form, with a projecting part adapted to
engage with the end of the lid cross-bar, and with projecting stops adapted to
engage with the holder by which it is carried and which is bolted or otherwise
conveniently applied to the churn or washing machine side, and to limit its
sectoral movements. The holder carries a fixedly secured screwed bolt which
projects up through the fastener without engaging therewith and emerges at its
head which is coned, and beyond which the screwed bolt is fitted with a coned
thumb-screw which bears on the coned head of the fastener. The fastener is
constantly borne up against the thumb-screw by a helical spring which is
encased by the fastener and encircles the screwed bolt, and takes its bearing on
the bottom of the holder.
The described connection is such, that, when the fastener is turned from its
holding position, it is held by the spring above the level of the end of the lid
cross-bar, and that, on the lid being placed in position, it is only required to

page_text: turn the thumb-screw, which firmly causes the fastener to turn until it is over
the end of the lid cross bar, and then tightens the same down thereonto, holding
the lid tightly against the churn or washing machine end or opening.
Dated this 10th day of October 1898
DAY, DAVIES & HUNT,
Chartered Patent Agents,
321, High Holborn, London, W.C.,
Agents for the Applicant.
Improved Means of Securing the Lids of End-over-end and Rotating
Churns and Washing Machines.
I, THOMAS BRADFORD, of High Holborn, in the County of London, Dairy
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:-
This invention relates to improved means of securing the lids of end-over-
end and rotating churns and washing machines and the like, and is designed to
facilitate the application and the removal of such lids by lessening the number
of movements required to secure the lid or to release it.
On the accompanying drawings;-
Figure 1, represents, in sectional elevation, the improved fastening means
applied to an end-over-end churn;
Fig. 2, represents a plan showing the fastener in position for securing the
lid; and
Fig. 3, represents a plan, showing the fastener in position for allowing the
removal of the lid.
To the end aforesaid, the invention consists in a spring mounted fastening, a,
which has a lateral sectoral motion both in being placed in and in being
removed from position, and which is so mounted that, on its being turned into
holding position, (vide Fig. 2,) it is, at the same time and by the same opera-
tion screwed down onto the end of the lid cross-bar b, so as to tightly hold the
lid c, against the end d, or mouth of the churn or washing machine, and, on
its being turned out of holding position, (vide Fig. 3,) it is, at the same time
released from pressure and is automatically raised froin off the end of the lid
cross-bar, so that no further manipulation is required to allow of the removal
of the lid, the lateral sectoral movements of the fastener being caused by the
movement of the screw fastening or loosening it and being limited at each end
by a stop e, engaging with a holder, f, by which the improved fastening device
is applied to the churn or washing machine side or end.
The fastener, a, is made cylindrical in form with a projecting part, a¹, adapted
to engage with the end of the lid cross-bar, b, and with a projecting stop or
stops, e, adapted to engage with opposite parts (which limit its sectoral move-
ments) of the holder, f, by which it is carried and which is bolted, as at g, or
otherwise conveniently applied to the side or end of the churn or washing
machine. The holder, f, is fitted with a screwed bolt, h, which projects up
through the tubular fastener, a, without engaging therewith and emerges at
its head which is coned, as at i, and beyond which the bolt, h, is fitted with a
coned thumb-screw, j, which bears on the coned head of the fastener. The
fastener is constantly borne up against the thumb-screw by a helical spring, k,

page_text: which is encased by the fastener and encircles the screwed bolt, and takes its
bearing on the bottom of the holder, f.
The described connection is such, that, when the fastener is turned from its
holding position by unscrewing the thumb-screw, it is raised and held by the
spring above the level of the end of the lid cross-bar, and that, on the lid being
placed in position, it is only required to screw down the thumb-screw which
firstly causes the fastener to turn until it is over the end of the lid cross bar,
and then tightens the same down thereonto, holding the lid tightly against the
mouth opening or end of the churn or washing machine as represented in Fig. 1.
It is not essential that the co-acting parts of the fastener, a, and thumb-
screw, j, should be of a coned formation, but it is preferable that they should
be as the centreing of the fastener, a, is thereby the better ensured.
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:-
The herein before described improved fastening device for securing the lids of
end-over-end and rotating churns and washing vessels and the like, the same
consisting in a holder, f, having opposite stop parts, a screw, h, rigidly secured
to the holder, a fastener, a, encircling the screw with facility of lateral move-
ments about the same as a centre and longitudinally thereof and having a stop
adapted to engage with the stop parts of the holder to limit its lateral move-
ments, a spring, k, tending to raise the fastener from operative position, and a
thumb-screw,, serving to turn the fastener into and out of operative position
and to secure it in position and to release it from its pressure when unfastening
is required, as set forth.
Dated this 28th day of June 1899
DAY, DAVIES & HUNT,
Chartered Patent Agents,
321, High Holborn, London, W.C.,
Agents for the Applicant.