IMPROVEMENTS IN CARRIAGES EMPLOYED IN BOBBIN-NET OR TWIST LACE MACHINES
Year: 1881

page_text: LETTERS PATENT to James Robinson Hancock and William Smith, both of
the Town and County of the Town of Nottingham, for an Invention of
"IMPROVEMENTS IN CARRIAGES EMPLOYED IN BOBBIN-NET OR TWIST LACE
MACHINES."
PROVISIONAL SPECIFICATION left by the said James Robinson Hancock
and William Smith at the Office of the Commissioners of Patents on the
29th October 1881.
JAMES ROBINSON HANCOCK and WILLIAM SMITH, both of the Town and County
of the Town of Nottingham. "IMPROVEMENTS IN CARRIAGES EMPLOYED. IN
BOBBIN-NET OR TWIST LACE MACHINES."
Heretofore carriage blanks after being punched out of rolled sheet metal havo
had a portion of the metal upon each side ground away a little deeper than the
combs in which they are to be employed. Now we propose to punch the carriage
blanks out of thinner sheet metal than heretofore, and form a cover for the bobbin
at the back and front by means of two or more depressions on each side the
carriage (formed by suitable shaped dies), the metal at the back of each depression
being correspondingly raised, such raised portions being the highest at the verge,
and thus forming a thicker rest or rests for the bobbin than heretofore, and also
providing more gate room for the passage of the threads between the carriages, and
likewise entirely dispensing with the expensive process of grinding away the metal
on each side of the bottom of the carriage.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said James Robinson Hancock and William Smith in the Great Seal
Patent Office on the 26th January 1882.
JAMES ROBINSON HANCOCK and WILLIAM SMITH, both of the Town and County
of the Town of Nottinghain. "IMPROVEMENTS IN CARRIAGES EMPLOYED, IN
BOBBIN-NET OR TWIST LACE MACHINES."
Heretofore carriage blanks after being punched out of rolled sheet metal have
had a portion of the metal upon each side ground away a little deeper than the
combs in which they are to be employed. Now we propose to punch the carriage
blanks out of thinner sheet metal than heretofore, and form a cover for the bobbin
at the back and front by means of two or more depressions on each side of the
carriage formed by suitable shaped dies, the metal at the back of each depression
being correspondingly raised, such raised portions being the highest at the verge,
and thus forming a thicker rest or rests for the bobbin than heretofore, and also
providing more gato rooin for the passage of the threads between the carriages,
and likewise entirely dispensing with the expensive process of grinding away the
metal on each side of the bottom of the carriage.
Figures 1 to 7 represent side views of our improved carriages, and Figure S an
edge view of the carriage shewn in side view at Figure 7.
Heretofore carriage blanks after being punched out of rolled sheet metal have
had a portion of the metal upon each side ground away at the bottom a little
deeper than the coinbs in which they were to be employed. Now we punch the
carriage blanks out of thinner sheet metal than heretofore, and form a cover for
the bobbin in each carriage, both at the back and at the front, in the following
manner :- -Wo cause two or more depressions to be made on each side of the
carriage, that is to say, one or more depressions in the side of the carriage carrying
the spring in front of the bobbin and one or more other depressions in the side of
the carriage at the back of the bobbin. But in each case, whether the carriage has
two or more depressions, the whole are formed by suitable shaped dies either at
the same time the blanks are punched or the depressions may be formed by
separate dies after the blanks are punched.
The metal at the back of each depression is correspondingly raised, such raised
portions being the highest next the verge, and thus forming a thicker rest and
better cover for the bobbin than heretofore. The depth of each depression next
the verge is not quite up to the centre of the thickness of the metal, out of which
the blank is punched; but it varies according to the gauge of the carriage, always
leaving sufficient thickness of metal to form the verge quite clear on both sides. of
the carriage at cach depression. The verge is cut after the depressions are made.
A carriage constructed as above described, having one or more depressions at A, B,
or C, is shewn in side view at Figure 1. One with two depressions on one side at
Figure 2; one with two depressions on each side at Figure 3; one with three
depressions on one side and two on the other at Figure 4; one with three
depressions on each side at Figure 5; one with four depressions on one side and
three on the other side at Figure 6; and one with four depressions on each side
at Figure 7. An edge view of the latter carriage being shewn at Figure 8, or the
depressions may be on one side and flat on the other. Thus by means of the
depressions we are enabled to employ if necessary, say, a fourteen point carriage

page_text: in the combs instead of a nine and a half point carriage, and we are also enabled
to employ a nine and a half point bobbin in a fourteen point carriage and still
ensure ample cover for the bobbin, and the body of the carriage being thinner
gives considerably more gate room for the threads, thereby avoiding the frequent
cutting down of threads heretofore experienced, besides there being less tendency
of wrong gating, in addition to which we entirely dispense with the expensive
process of grinding away the metal on each side of the bottom of the carriage.
The depressions above described are only approximately shewn in the side views
of the carriages, but really each depression is of the greatest depth next the verge,
from which point it gradually gets shallower until it dies in the face of the
carriage; the corresponding raised portion of the metal at the back of each
depression is also the highest nearest the verge, and gradually gets less in height
until it dies in the face of tho carriage.
Having thus described the nature of our said Invention, and the manner of
performing the same, we declare that we claim,―
The depressed and prominent portions in and on the plane of the carriage,
constructed and arranged as herein before described and illustrated in the Drawings
annexed for the purposes set forth.
In witness whereof, we, the said James Robinson Hancock and William
Smith, have hereunto set our hands and seals, this Fourth day of January
in the year of our Lord One thousand eight hundred and eighty two.
Witness,
5
H. W. GOUGH, C.E.,
Nottingham.
JAMES ROBINSON HANCOCK. (L.S.)
WILLIAM SMITH.
(L.S.)