IMPROVEMENTS IN RIVETTING OR EYELETTING MACHINES
Year: 1883

page_text: LETTERS PATENT to William Robert Lake, of the firm of Haseltine, Lake,
and Co. Patent Agents, Southampton Buildings London, for an Invention of
"IMPROVEMENTS IN RIVETTING OR EYELETTING MACHINES Communicated
to him from abroad by Clark M Platt of Waterbury Connecticut, United
States of America
COMPLETE SPECIFICATION filed by the said William Robert Lake at the
Office of the Commissioners of Patents on the 9th January 1883.
WILLIAM ROBERT LAKE, of the firm of Haseltine, Lake, and Co Patent Agents,
Southampton Buildings, London, "IMPROVEMENTS IN RIVETTING OR EYELETTING
MACHINES .Communicated to me from abroad by Clark M. Platt, of Waterbury,
Connecticut, United States of America,
"
This invention relates to improvements in rivetting or eyeletting machines, and
comprises an immovable receiver having spring jaws, a pivoted anvil-bearing arm
united to a forked vertical lever by a link an operating lever provided with a
tripping device, and other parts, all constructed, arranged, and combined as
hereinafter described.
In the accompanying drawing
Figure 1 is a side elevation, partly in section, of a machine constructed according
to this invention, showing the anvil away from the receiver
Figure 2 is a transverse section on the line x, x, Figure 1.
Figure 3, is a side elevation, partly in section, showing the anvil against the
receiver
Figuro 4 is a longitudinal section of the anvil, sleeve, and spring
Figure 5 is a section on the line y, y, Figure 3, showing the receiver and its jaws
Like letters indicate the same parts throughout the drawing
The said invention relates more particularly to improvements in the rivetting or
yeletting machine described in the specification of the United States Patent
granted to the said Clark M. Platt on the Eighth day of November 1881.
letails of the construction and operation of the feed-box, guide-channel, and their
iccessories, in the machine shown in the drawing, being similar in every particular
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page_text: to those described in the said former specification. In the machine therein
described, the receiver, or device that catches the rivets as they emerge from the
end of the channel-way, is pivoted, so that it can be carried down to the anvil, and,
by means of a spring, recover its normal position; and the anvil is rigidly fixed.
In the present improved machine, as shown in the accompanying drawing,
A represents the receiver, which consists substantially of two jaws a, constructed so
as to form, when placed together, a cylindrical opening b at their rear ends, and a
cup-shaped or conical opening c at their front ends; this receiver is mounted upon
a projection d, depending at right angles to, and below, the frame B of the machine;
the lower end of this projection has fitted to.it a journal or bearing surface e, and a
supporting bracket f, the bracket extending towards the front of the machine and
at right angles to the journal e, and having a pin g projecting upwards; when in
position, the cylindrical opening b of the jaws a encloses the journal or bearing e,
and the under surfaces of the jaws are supported by the bracket f, the ping passing
upwards between the jaws. Uniting the jaws together and holding them in place
by its elastic force, is a spring h, which encircles the rear ends of the jaws. Pivoted
to the lower part k, of the frame B of the machine, is an arm or lever O, which
projects in front of the frame and extends through, and to the rear of, the frame B;
the front end of this arm or lever has fixed to it an anvil D; this anvil is
surrounded by a sleeve and a spiral spring m, so that the sleeve can be pressed
downwards around the anvil and afterwards be restored by the resilient action of
the spring m.
The rear end of the arm or lever C has one end of a link n, coupled to it, the
other end of the link being coupled to a lever E; this lever is pivoted at o, to the
frame B of the machino, and at its upper end is formed a fork p.
The machine is provided with the ordinary operating lever E,.with a. setting-
plunger secured to its front end, and a treadle attachment at its rear end; but to
this operating lever, and near its rear end, is fixed a tripping device G, consisting of
projections 8, fixed nearly at right angles to the operating lever F, and with a roller t,
secured between them.
When the rivetting machine is constructed substantially in the manner herein-
before described, and the rivets have passed into the receiver from the channel-way,
the said machine is operated by throwing upwards, (by a treadle or otherwise,) the
rear end of the lever F, which depresses its front end, thereby forcing downwards
the plunger rand, at the same time causing the roller t of the tripping device G to
bear against the inner surface of the rear leg of the fork p, of the lever E, bringing
that lever into a vertical position, and, in so doing, depressing the rear end of the
arm or lever C, thereby throwing upwards its front end, until the anvil D, is
brought immediately below the under side of the receiver A, in which position it
is rigidly kept, as its rear end, the link n, and the lever F, and its pivot, are brought
into the same vertical line (see Figure 3); this rigid position of the anvil enables
it to receive the rivet as it is forced through the receiver, and to resist the
downward thrust of the plunger r, so that the end of the rivet may be properly.
up-set on the anvil.
When the rear end of the operating lever F is forced downwards, the_roller t, of
the tripping device G, enters into the fork p of the vertical lever E, thereby
throwing this vertical lèver, and the link n, somewhat out of the same vertical line
(see Figure 1) and, by so doing, drawing upwards the rear end of the arm or lever C,
causing its front end, and the anvil secured thereto, to descend or drop away from-
the receiver A, and thus permitting the removal or shifting of the articles to be
rivetted.
As the plunger r descends, and forces the rivet through the cup-shaped opening c
of the receiver A, the jaws a spread apart laterally, and as the plunger is withdrawn,
by its upward stroko, from the receiver, the spring h restores the jaws to their
former closed position; the pin g, acting as a stop, keeps the jaws from being thrown
out of their proper position and maintains the receiver in its true place, in line with,
and below, the plunger,
$

page_text: The anvil D, is surrounded by a sleeve l; the upper end of this sleeve projects
somewhat above the end of the anvil, affording a better resting surface for the
articles that are being rivetted, and, when the plunger descends to force the rivet
through the material and up-set it on the anvil, the sleeve descends leaving the end
of the anvil D exposed to receive another rivet. When the rivetting is completed,
the sleeve is restored to its former position by the spring m.
In the rivetting machine described in the said former specification an up-set
plate was secured to the lower end of the channel, which reversed the position of
the rivets, compelling them to enter the receiver point downwards, but in the
present machine a notch u is formed in the jaws a of the receiver, for this purpose..
Having thus fully described the said Invention as communicated to me by my
Foreign correspondent, and the manner of performing the same, I wish it understood
that I Claim
First. A rivetting or eyeletting machine with a fixed receiver, having spring jaws,
in combination with a pivoted anvil-bearing arm or lover, substantially as shown
and described.
Second. In a rivetting or eyeletting machine, a pivoted anvil-bearing arm or
lever, in combination with a link n, and forked lever E, substantially as shown and
described.
Third. In a rivetting or eyeletting machine, the operating lever thereof provided
with a tripping device, in combination with a pivoted anvil-bearing arm or lever,
substantially as shown and described.
Fourth. In a rivetting or eyeletting machine, a pivoted anvil-bearing arm,
provided with a link and vertical lever, whereby the anvil is rigidly held in
opposition to the setting plunger, and released therefrom, substantially as described
Fifth. In a rivetting or eyeletting machine, the jaws of the receiver thereof pro-
vided with a spring at their rear ends, in combination with a bracket f, and pin g,
substantially as shown and described
Sixth. In a rivetting or eyeletting machine, the combination of a forked vertical
lever E, with a tripping device G, substantially as shown and described
Seventh, In a rivetting or eyeletting machine, the combination of a setting-
plunger with fixed receiver, and a pivoted anvil-bearing arm, substantially as
shown and described.
Eighth, In a rivetting or eyeletting machine, the combination of a feeding
channel, with a fixed receiver provided with a notch u, substantially as shown and
described.
Ninth, In a rivetting or eyeletting machine, a pivoted arm in combination with
an anvil and an adjustable sleeve surrounding the same, substantially as shown and
described.
In Witness whereof I the said William Robert Lake have hereunto set my
hand and seal this Ninth day of January in the year of our Lord one
thousand eight hundred and eighty three.
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