improvements in regging Machines.
Year: 1897

page_text: Date of Application, 13th Apr., 1897-Accepted, 5th Mar., 1898
improvements in regging Machines.
I,. WILLIAM HENRY BECK, of 115, Cannon Street, in the City of London, Con-
sulting Engineer, and Chartered Patent Agent, 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 that class of pegging machines which are ordinarily
employed for automatically driving wooden pegs.
°
The object of the invention is to provide an improved construction for supporting
and operating the horn of the pegging machine, and to provide means for auto-
matically trimining or cutting off the ends of the pegs.
To these ends, this invention consists of the parts and combinations of parts,
as hereinafter described, and more particularly pointed out in the claims at the
end of this Specification.
In the accompanying two sheets of drawings.
Fig. 1 is a side view partially in section of a sufficient part of a pegging machine
to illustrate the application of the invention, Fig. 1 is a detail view.
Fig. 2 is a partial front view illustrating one form of peg-driving mechanism
which may be employed,
Figs. 3 and 4 are detail views of the button or anvil, and illustrate the construc-
tion which is employed for automatically trimming or cutting off the ends of the
pegs, and
Figs. 5 to 7 inclusive are detail views illustrating the operation of the device.
Referring to the drawings and in detail, A designates the frame of the machine,
which rests upon and is supported by suitable legs as a.
Extending from the front of the frame A is a piece or bracket C having bear-
ings 30 and 31.
A vertical spindle 32 is journalled in the bearings 30 and 31 by means of suitable
bearing-balls as d.
Secured upon the upper end of the spindle 32 is a hollow horn or arm D, having
a button or anvil B journalled therein in the ordinary manner.
Surrounding the horn-spindle 32 is a coiled lifting spring 33.
The tension of the lifting spring 33 can be adjusted in any desired manner.
As illustrated, an adjusting nut 330 is threaded on to the horn-spindle 32, and
held in its adjusted position by means of a check-nut 331.
At its lower end, the horn-spindle 32 is loosely connected by a threaded piece 35
with a treadle-rod 34.
The treadle-rod 34 is mounted in a suitable bearing 36, and is connected to a
suitable treadle as E.
Mounted inside of the horn-spindle 32, which is preferably bored out or made

page_text: hollow, is a stationary spindle 37, which, near its upper end, passes loosely through
a plate 38 carried by the horn D, and is rigidly connected at its lower end to the
treadle-rod 34.
The spindle 37 is connected at its upper end with a train of gearing for holding
the button or anvil B in a fixed position with respect to the frame of the machine.
As illustrated, this train of gearing comprises a gear 39 fastened on the spindle 37, .
which meshes with a train of gears 40, 41, and 43.
The gear 43 is mounted upon and carried by a vertical rod 44, which is connected
at its upper end by a universal joint 45 with an inclined rod 46, which is provided
at its end with a suitable bevel-pinion or gear-teeth, (Fig. 14) which mesh with and
engage the gear-teeth 18 upon the button or anvil B.
By mounting the horn-spindle.32 upon ball-bearings in the frame, it has been
found in practice that the efficiency of the machine is considerably increased, as
the horn D can be more readily turned or shifted to properly guide the work into
the desired position with respect to the peg-driving, mechanism.
By mounting the coiled lifting spring 33 so that it surrounds the horn spindle 32,
the tension of said lifting spring will be exerted in line with the axis of the spindle,
and there will be no tendency of the spindle to cramp or bind in its bearings.
The peg-driving mechanism employed may be of any of the ordinary or approved
constructions, and the drawings illustrate only such parts of, the co-operating
mechanism as will be necessary to an understanding of the peg-cutting devices.
Referring to Fig. 2, 10 designates a head or piece which is mounted so that it
may swing or move transversely.
Loosely mounted in the head 10 is a vertically movable slide 11 having a piece 12
adjustably secured thereto, which carries the awl 13 at its lower end.
Loosely mounted in the slide 11 and extending through a guiding-bracket 14
is a reciprocating part or slide 15, having a driver 16 at its lower end for forcing
the wooden pegs into the holes punched by the awl 13.
The mechanism for splitting off and feeding the pegs into position to be acted
upon by the driver 16 and the gearing for imparting the proper motion to the
parts of the peg-driving mechanism may be of any of the ordinary or approved
constructions, which need not be herein shown or described at length.
In that class of pegging machines to which this invention relates, the ends of
the pegs have heretofore ordinarily been allowed to project through the work w,
and have had to be cut out by hand or by the use of additional machinery.
To overcome this defect, means are provided for automatically trimming or cutting
off the projecting ends of the pegs.
I
As illustrated, the button or anvil B comprises a lower or gear section, and a
top section or cover 21.
"
A washer as 20 is interposed between these sections, and the parts are secured
together as by means of small screws as 22.
Mounted in suitable ways in the cover or plate 21 and resting upon the washer 20
is a spring-pressed piece or guide 24, which is formed with a socket or opening 25
for receiving the ends of the pegs, and with a bevelled or cutting edge 26 at the
rear of said socket.
.
The upper rear edge of the piece 24 is slightly rounded or bevelled as at 27 to
co-operate with the awl 13.
A plate or knife 23 is secured in the plate 21 in position to co-operate with the
piece 24, so that the cutting edge 26 and the knife 23 may co-operate substan-
tially as shears.
A torsional spring 28 is arranged to hold the piece 24 in its normal position, one
leg of the torsional spring being secured in the base section of the button B, and
the other leg of said spring engaging the front of the piece 24.
In practice, it has been found that a torsional spring, as thus arranged, will
control the movement of the piece 24 in the most efficient manner, but, if desired,
a small spring may be located to engage directly against the front edge of the
piece 24, or these parts may be differently arranged and connected. '
•

page_text: The operation of the peg-trimming mechanism is most clearly illustrated in
Figs. 5 to 7.
In Fig. 5, the parts are shown in their normal position, the awl 13 being raised
clear of the work w, and the driver 16 being in position to engage with a wooden
peg as p.
The slide 11 will then move down, bringing the awl 13 in engagement with the
work, and, at or about the same time, the driver 16 will be actuated to drive home
the peg p, as illustrated in Fig. 6, the end of the peg extending into the socket 25
in the piece 24.
The entire head or slide 10 will then be shifted laterally to respace the work w,
peg into
bringing the parts into the position illustrated in Fig. 7, and moving the
engagement with the blade or knife 23 so that the end of the peg will be sheared
or cut off between the knife 23 and the bevelled edge 26.
The driver 16 and the awl 13 will then be raised, and the head 10 will be shifted
to bring the parts back to the position illustrated in Fig. 5, the piece 24 being
restored to its normal position by means of its spring 28.
The piece 24, as thus arranged and mounted in the button B, will prevent the
pegs from crippling, twisting or becoming loosened in the work when they are
brought into engagement with the stationary knife or blade 23, and the shearing
action of the blade 23 and the cutting edge 26 will insure an even trimming or
cutting of the pegs.
Many changes may be made in the construction of pegging machines by those
who are skilled in the art, without departing from the scope of this invention, as
expressed in the claims, and certain features of this invention may be used in
different constructions and in different combinations.
It is not intended, therefore, to limit this invention to the exact forms illustrated.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is:-
1. The improvements in pegging machines, substantially as herein shown and
described.
2. In a pegging machine, the combination of a vertical spindle journalled in
the frame of the machine by means of suitable ball-bearings, a horn carried by
said spindle, a lifting spring coiled around said spindle, a button or anvil journalled
in said horn, a treadle-rod loosely connected to the lower end of said spindle, a rod
rigidly connected to said treadle-rod, and a train of gearing for holding the button
stationary independently of the rotation of the horn, substantially as described.
3. In a pegging machine, the combination of a vertical spindle journailed in
the frame of the machine, a horn carried by said spindle, a button or anvil jour-
nalled in said horn, a treadle-rod loosely connected to the lower end of said spindle,
a rod or spindle rigidly connected to said treadle-rod, and a train of gearing for
holding the button stationary independently of the rotation of the horn, substan-
tially as described.
4. In a pegging machine, the combination of a peg-driving mechanism, means
for advancing the work, a stationary knife, and a movable piece for engaging the
ends of the pegs which project through the work, substantially as described.
5. In a pegging machine, the combination of a reciprocating awl arranged to
move transversely to advance the work, a peg-driving mechanism, a button or
anvil, said button or anvil being provided with a movable piece, and a stationary
knife or blade for trimming off the ends of the pegs, substantially as described.
6. In a pegging machine, the combination of a peg-driving mechanism and a
button or anvil having a stationary blade or knife 23, a movable piece 24 for re-
ceiving the projecting ends of the pegs, said piece 24 being provided with a tor-
sional spring 28, for holding the same in its normal position, substantially as
described.

page_text: 7. A button or anvil for use in pegging machines, comprising a body portion,.
a blade or knife carried by said body portion, and a piece movably mounted in the
body portion, for engaging the ends of the pegs, which project through the work,
substantially as described.