IMPROVE- MENTS IN EYELETTING MACHINES
Year: 1866

page_text: PROVISIONAL SPECIFICATION left by William Young Edwards at the
Office of the Commissioners of Patents, with his Petition, on the 18th
April 1866. A communication from abroad by Charles Howard Crosby,
residing at Boston, in the United States of America.
I, WILLIAM YOUNG EDWARDS, of Castle Street, Falcon Square, in the City
of London, do hereby declare the nature of the said Invention for "IMPROVE-
MENTS IN EYELETTING MACHINES," (communicated to me from abroad by
Charles Howard Crosby, a person residing at Boston, in the United States of
America,) to be as follows:-
The Invention has for its object improvements in eyeletting machines, and
consists in a combination of parts whereby the hole is pierced and the eyelet
fixed in the work at one operation. For this purpose a piercing instrument
is employed which is carried in the end of a bar or rod with capability of
sliding therein, but pressed outwards by a spring when not otherwise acted
upon. The upper end of this rod or bar forms one "set" or part of the clinch-
ing apparatus, the other part or "set" being fixed to an arm or projection
from the framing with capability of adjustment therein. Motion is given to
the piercing instrument by a treadle or otherwise, acting by means of toggle
levers or other suitable means upon the rod or bar by which it is carried.
The eyelets are placed in a hopper of a cylindrical form, to which rotary
motion is given in the motion of the piercing instrument by means of a
ratchet wheel acted upon by a driver connected with the rod or bar earrying
the piercing instrument; by this means as the hopper revolves, the eyelets
are caused to move towards the periphery thereof, and descend by a shoot or

page_text: trough into position to be taken by the end of the piercing instrument in the
commencement of its motion, the rod carrying the piercing instrument is then
caused by means of a cam acting thereon to move forward so as to withdraw
an eyelet from the trough, and then in its further forward motion to come
in position opposite the fixed "set" or part of the clinching apparatus; the
piercing instrument will then move towards the fixed "set" to pierce a hole
in the work, and then in the further motion of the rod or bar by which
it is carried the piercing instrument will be forced within such rod or bar,
and the eyelet will be fixed in the work by the end of such rod or bar coming
towards the fixed "set" or part of the clinching apparatus, and clinching the
eyelet between them. The lower part of the trough or spout is provided with
a spring stop to prevent the eyelets falling out therefrom, but so that the
piercing instrument may withdraw an eyelet from the trough when desired.
The hopper is provided with ribs or projections for the purpose, of agitating
the eyelets as the hopper revolves; the bottom of the hopper being fixed
brushes are fixed to the ribs or projections for the purpose of more effectually
ensuring the eyelets. standing in a proper position to descend by the shoot or
trough, the trough.being of such a form that only such eyelets as stand in a
proper position are capable of entering it. The hopper and shoot or trough
are made adjustable to different sizes of eyelets. In some cases, the ribs or
projections and brushes are dispensed with, and the lower edge of the sides of
the hopper is formed with gauged openings to suit the size of the eyelets
used; this arrangement however requires a different hopper for each size
of eyelet used. Or a hopper may be constructed with a thin plate or
bottom thereto and revolving with such hopper, the height of the hopper
being gauged to the height of eyelet used. Although the eyeletting machine,
is described to have but one set of clinching. apparatus applied thereto, two
or more sets of clinching apparatus may be employed.