Improvements in Wood Carving Machines.
Year: 1893

page_text: Date of Application, 16th Mar., 1893
Complete Specification Left, 12th Dec., 1893-Accepted, 16th Mar., 1894
[Communicated from abroad by HANSON HOYT ADAMS, of Everett, in the
County of Middlesex and State of Massachusetts, United States of America,
Gentleman.]
Improvements in Wood Carving Machines.
I, HENRY HARRIS LAKE, of the Firm of Haseltine Lake & Co., Patent Agents,
45 Southampton Buildings, in the County of Middlesex, do hereby declare the nature
of this invention to be as follows:-
This invention relates to improvements in wood-carving machines, particularly to
that class to which a gang of rotary cutting-tools are employed and all operated
simultaneously and similarly to produce carvings of every description in multiple.
My improvements are embodied, primarily, in the construction of the tool-
carriage and the individual tool-heads, whereby the rotary cutters are given
universal movement, and thus they are capable of performing not only plain
vertical work, but are enabled to produce undercut work in any direction. This
feature is of the utmost importance.
My improvements, moreover, are embodied in the mechanism whereby a movable
support in which is mounted the countershaft is adapted to have, as a whole both
vertical and horizontal end wise adjustment.
My improvements further consist in supporting upon said movable support the
pivotal frame in which are affixed the tool-carriage and tool-heads, and likewise in
the several elements by which the various adjustments are accomplished, whereby
the table upon which the work is placed may be made stationary in lieu of having
a reciprocating movement, and lastly in the various instrumentalities hereinafter
fully described, whereby the rotary cutters can be held in any position and then
caused to move over the work in process.
In wood-carving machines of the above class, as premised, it is particularly
desirable that the machine should be simple in construction and yet permit the
cutting-tools to be held and adjusted in any desired position for work of every
conceivable character.
66
The prominent feature in machines of this class is that a series of cutting-tools
is similarly and simultaneously operated, each upon a separate piece of work, with
the result that each piece is identical with every other. This identity in carving
is effected by means of a pattern of the desired form, while a pattern-tool," so
called, or a non-revoluble pointed steel rod is drawn over the said pattern, so as
to pass over every portion of its surface. Inasmuch as the pattern-tool is mounted
in the tool-carriage with the cutting-tools it follows that every motion of the
pattern-tool is accompanied by similar movements of the cutting-tools. As a result
the carved pieces, in shape identical with the pattern, are produced in multiple,
the number depending upon the number of cutting-tools employed.
The invention comprises a travelling table adapted to be reciprocated by any
suitable mechanism, in the present instance by a hand-wheel and a band, which is
given a half-turn about a pulley secured upon the table-support, the latter being
fitted with guides.
Twin housings or stationary uprights are provided which support a movable
support, carrying a counter-shaft, furnished with a drum and belt, which connects
with a suitable prime motor. Said movable support is composed of four horizontal
bars, attached to end heads, from which extend short shafts, one of which is
notched, and in connection with a toothed wheel, fast upon a pivotal shaft on one

page_text: of the housings, and a hand-wheel is provided which serves to give the support
lateral movement and to steady the latter and prevent uncertain action when
blocking or roughing out work. At other times this positive feed motion is not
required. The pivotal shaft, which carries the wheel is pivoted, and an upward
movement of the hand-wheel serves to disengage the said wheel from its potched
shaft. The support is then capable of free sliding movement to and fro upon its
bearings and is generally operated in this manner after the preliminary or roughing-
out work has been accomplished. By the arrangement of the above elements it is
evident that the lateral feed movement may be made entirely positive by swinging
the pivotal shaft upon its pivot to cause the toothed wheel to engage the notched
shaft; or by raising the said pivotal shaft, free movement of the support is obtained
and its travel is then to be controlled solely by the hand of the operator who grasps
the tool-carriage. Antifriction-rollers support said journals, the pressure of the
belt serving to hold the journal against the rollers.
To enable the support to be adjusted vertically, journal supports or guide-
blocks are fitted upon uprights and are actuated each by a screw-rod. The weight
of this support, together with the various elements attached thereto, is counter-
balanced in part by springs, with pulleys to enable the support to be moved with
greater ease.
To provide a suitable bearing for the counter shaft the end heads, are recessed
each to contain a journal-box, in which the ends of said counter-shaft revolve.
In connection with and attached to the movable support, which supports the
countershaft is an extension-frame, of rigid construction and pivotally attached to
said support. In the free end of this frame is secured the tool-carriage.
The several instrumentalities above specified for controlling the position of the
movable support likewise serve to control the position of the tool-carriage. Hence
the latter can be moved laterally across the table or raised above the table and is
capable of every adjustment which belongs to the said support.
The tool-carriage proper consists, primarily, of a horizontal plate, pivoted at
the ends in the outer extremity of the oscillating frame. Said plate is formed
with openings or apertures in number to correspond with the cutting-tools employed.
The position of this plate can be accordingly changed or partially revolved, as
desired, while it is held rigidly, after being shifted in position, by means of a
clamping-nut, which engages the screw-threaded end of one of the pivots. This
latter projects through the oscillating or extension frame at this point. Further-
more, disposed in pairs and transversely of the centre of each aperture are short
vertical ears, which serve as journals for the tool-heads. These latter consist of a
hollow rectangular frame, having solid ends or short cylindrical bosses, centrally
bored to receive a spindle, longitudinally journalled therein. At the lower end of
said spindle is removably attached a cutting-tool, while upon that part within the
rectangular frame of the head is secured a pulley suitably operated by a lit.
Rising from the top of said frame are two rigid curved arms, which are pivotally
connected with a rod hereinafter described. Oscillating movement of the tool-
head is effected by means of transverse bolts or trunnions, which rest in the
vertical ears. By means of the above mechanism the gang of tools are enabled to
oscillate in vertical planes, or transversely of the table.
To provide for simultaneous movement of each tool-head in the series, so that
the position of every individual tool shall be the same with every other as regards
the surface of the table a longitudinal rod is pivotally connected to the curved
arins, before-mentioned, of every tool-head, and finally, passing through two
clamping-bars at one end of the horizontal plate is held in any desired position by
a thumb-screw.
Since the pivots of the horizontal plate, which constitutes the tool-carriage and
in which are mounted the respective tool-heads, are at right angles to the longi-
tudinal axes of said tool-heads, it is evident that the tools are capable of oscillating
in vertical planes lengthwise of the table, that is, at right angles to the adjusting
movement. Hence undercut work of any description can be accomplished, since

page_text: each tool can be made to circumscribe a cone, the base of which is on the surface
of the table, while its apex is at a point on the spindle opposite trunnions, and this
is accomplished by the combined oscillatory movements of the pivotal carriage and
the tool-heads.
To rotate the tools, belts pass from pulleys secured at the head of the rectangular
frame to corresponding pulleys on the counter-shaft. Preferably to balance the
tool-carriage and prevent a thrust, which might occur if all the tools revolved in
the same direction, those on one side of the centre of the carriage revolve in one
direction while those on the other side rotate oppositely.
In the present instance the machine is fitted to carry eight cutting-tools. The
centre tool-head, similarly mounted after manner of the others, is equipped with a
pointed metallic rod, which is not intended to revolve, but simply to be passed or
diagged over the pattern-plate by means of a hand-grasp, attached to the tool-
carrier or to the extension-frame. When the machine is in readiness to operate,
the lower extremities of each tool are then to be in the same horizontal plane with
each other and with the end of the pattern-tool. Hence every movement, rise or
fall, lateral, oblique, or otherwise, is participated in by each and all of the cutting-
tools. Such movements are controlled by the surface contour of the pattern, and
hence when the pattern-tool has been passed across every portion of the surface of
said pattern an identical reproduction has been created by each one of the
cutting-tools.
To relieve the operator from fatigue incidental to the weight of the frame when
the latter is moved about, I attach pendent springs, which are upheld by suitable
links and pulleys, adjustable vertically.
When the tool-carriage is positioned obliquely, that is, in a plane parallel with
the longitudinal axis of the belt, or when the latter is moving at an oblique angle
with the tool-spindle in lieu of at right angles, or thereabout, as is usually the case-
there is a tendency for the belt to ride up and slip off. Hence I have arranged
guide-rolls above and below. Thus when the carriage has been tilted to a certain
angle the belt is brought against one of said guides, and it is thus held against any
further tendency to run off until the carriage is returned to a more normal position.
The wood-carving machine is equipped with a travelling table and a pivotal or
oscillating frame, with a counter-shaft, the said frame being attached to a movable
support which is adjustably mounted in two fixed uprights.
The counter-shaft is provided with a drum and belt supported in two fixed
standards while an intermediary hanger-frame furnished with a shaft, having a
drum the latter receiving motion from a belt and is pivotally attached to the lower
ends of a pair of rods, suitably trussed and capable of movement laterally by means
of rolls or wheels, affixed in their upper ends and adapted to travel on horizontal
guides supported in fixed hanger-posts. To this swinging hanger-frame is attached
the oscillating frame which contains the tool-carriage and tool-heads. To provide
for lateral movement of said frame the drum is elongated, while longitudinal move-
ment is effected by the swinging movement of the rods upon their supports. By
such mechanism circular, oval, or other curvilinear motion may be described by the
cutting-tools without change in the position of the tool-carriage or the individual
tool-heads. For undercut work the necessary adjustments in the positions of the
tool-carriage and of the tool-heads must be made in the usual manner, as before
explained.
The mode of operation when the above-described instrumentalities co-operate is
as follows: The screw-rod serves to adjust the horizontal support at a suitable
distance above the table. At the same time the pivotal shaft in an upraised
position disengages the wheel upon this shaft from its notched shaft. In this way
the carriage and tools are readily positioned above the work. After the preliminary
adjustment is obtained the hand-wheel is grasped the pivotal shaft swung down,
and the toothed wheel caused to engage the notched shaft. The machine is then
in readiness to perform the rough or blocking-out work and all lateral thrusts or
unsteady motion is avoided by the positive feed mecharist now employed. When

page_text: blocking out is finished, the hand-wheel and shaft are again raised, the toothed
wheel and notched shaft are disengaged, and the standard free to be controlled by
a slight push or thrust from the hand of the operator. The tool-carriage is now
tilted or rocked by loosening the thumb-nut to adjust the tools in a proper position,
considered with reference to a vertical plane longitudinally of the table. This
position may be vertical with respect to the surface of the table or oblique thereto.
A further adjustment can be made to bring the carriage in such position as to
cause the longitudinal axes of the tools to be maintained in a plane vertically of
the table, considered lengthwise, but obliquely with respect to a plane transversely
of the table. In such event the thumb-nut on the clamping bars is relaxed and the
controlling bar or longitudinal rod thrust end wise or until the tools are positioned
at the desired angle. These two last adjustments are more particularly for
undercut work.
In case plane straight carving is to be performed the tools are to be adjusted to
stand normal with the surface of the table when the operator grasps the hand-hold
and causes the tools to follow the pattern and cut the work, which is actuated in
traverses after the manner of a planer when a movable table is employed. Lateral
movement is produced by means of the pinion upon the pivoted shaft and the
notched rod of the standard in blocking work.
In the event of a stationary table being used the extension frame with the tool-
carriage and its tools, is reciprocated in right lines by the oscillation of the
banger-frame upon its rollers transversely about the horizontal guides. Lateral
movement or feed is easily obtained by the operator giving a thrust or pull to the
entire frame which causes the hanger-frame to roll upon its rods or guides while
the length of the drum inside the hanger-frame enables the belt to accommodate
itself for such feed movement. It is evident with such an arrangement that the
tools can be caused to describe curvilinear movement while their axes are at all
times normal to the table. Should, however, the curvilinear undercut work be
desired the thumb-screws are relaxed, in which event the operator is enabled not
only to rock the tool-carriage, but likewise move the controlling bar, which will
produce a compound resultant movement hereinbefore described, of great utility.
Dated this 30th day of November 1893.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Wood Carving Machines.
I, HENRY HARRIS LAKE, of the Firm of Haseltine Lake & Co., Patent Agents,
45 Southampton Buildings, in the County of Middlesex, 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 improvements in wood-carving machines, particularly
that class in which a gang of rotary cutting-tools are employed and all operated
simultaneously and similarly to produce carvings of every description in multiple.
My improvements are embodied, primarily, in the construction of the tool-
carriage and the individual tool-heads, whereby the rotary cutters are given
universal movement, and thus they are capable of performing not only plain
vertical work, but are enabled to produce undercut work in any direction. This
feature is of the utmost importance.
My improvements, moreover, are embodied in the mechanism whereby a movable
support in which is mounted the counter-shaft is adapted to have as a whole both
vertical and horizontal endwise adjustment.
My improvements further consist in supporting upon said movable support the

page_text: pivotal frame in which are affixed the tool-carriage and tool-heads, and likewise in
the several elements by which the various adjustments are accomplished, whereby
the table upon which the work is placed may be made stationary in lieu of having
a reciprocating movement, and lastly in the various instrumentalities hereinafter
fully described, whereby the rotary cutters can be held in any position and then
caused to move over the work in process.
The drawings accompanying this Specification represent, in
Figure 1, a plan in part of a wood-carving machine embodying my invention.
Fig. 2 is an end view of the tool-carriage and tool-heads with the table in
vertical section.
Fig. 3 is a side elevation of the machine.
Fig. 4 is an end view of the tool-carriage, showing its inclination from the
vertical to position the tools for undercut work.
Fig. 5 is a front view of the tool-carriage in part with the tools adjusted for
undercut work, but in a plane at right angles to that in Fig. 4.
Fig. 6 is an end elevation and
Fig. 7 is a front view of the counter-shaft hanger which I propose to employ
more especially when a stationary table is used.
Fig. 8 is a sectional elevation longitudinally of the movable support, showing its
adjusting mechanism with a part of the counter-shaft and its journal-supports.
In wood-carving machines of the above class, as premised, it is particularly
desirable that the machine should be simple in construction and yet permit the
cutting-tools to be held and adjusted in any desired position for work of every
conceivable character.
"
The prominent feature in machines of this class is that a series of cutting-tools
is similarly and simultaneously operated, each upon a separate piece of work, with
the result that each piece is identical with every other. This identity in carving
is effected by means of a pattern of the desired form, while a pattern-tool," so
called, or a non-revoluble pointed steel rod is drawn over the said pattern, so as to
pass over every portion of its surface. Inasmuch as the pattern-tool is mounted in
the tool-carriage with the cutting-tools it follows that every motion of the pattern-
tool is accompanied by similar movements of the cutting-tools. As a result the
carved pieces, in shape identical with the pattern, are produced in multiple, the
number depending upon the number of cutting-tools employed.
Upon reference to the drawings, 2 represents a travelling table adapted to be
reciprocated by any suitable mechanism, in the present instance by a hand-wheel
and a band, which is given a half-turn about a pulley secured upon the table-
support, the latter being fitted with guides.
3 represents one of twin housings or stationary uprights which support a movable
support 4, carrying a counter-shaft 5, furnished with a drum 6 and a belt 7, which
connects with a suitable prime motor. Said support 4 is composed of four
horizontal bars 8 8, attached to end heads 9, from which extend short
shafts 10 10, one of which (see Fig. 2) is notched and, in connection with a toothed
wheel 12, fast upon a shaft 121 on one of the housings 3, and a hand-wheel 13,
serves to give the support lateral movement and to steady the latter and prevent
uncertain action when blocking or roughing out work. At other times this positive
feed motion is not required. Hence the shaft 12', which carries the wheel 12, is
pivoted at 131, and an upward movement of the hand-wheel serves to disengage the
said wheel from its notched shaft. The support is then capable of free sliding
movement to and fro upon its bearings and is generally operated in this manner
after the preliminary or roughing out work has been accomplished. By the
arrangement of the above elements it is evident that the lateral feed movement
may be made entirely positive by swinging the shaft 12' upon its pivot to cause
the toothed wheel 12 to engage the notched shaft 10; or by raising the said
shaft 12', as indicated by the dotted lines in Fig. 3, free movement of the support
is obtained and its travel is then to be controlled solely by the hand of the operator
who grasps the tool-carriage. Antifriction-rollers 14 14' support said journals 10 10,

page_text: as shown in Fig. 3, the pressure of the belt 7 serving to hold it against the
rollers 14.
To enable the support to be adjusted vertically, journal-supports or guide-
blocks 15 are fitted upon the uprights 3 and are actuated each by a screw-rod 16.
The weight of this support, together with the various elements attached thereto, is
counterbalanced in part by the springs 17, with their pulleys 18, supported in any
suitable manner, to enable the support to be moved with greater ease.
To provide a suitable bearing for the shaft 5, the end heads 99 are recessed
(see Fig. 8) each to contain a journal-box 19, in which the ends of said counter-
shaft 5 revolve.
In connection with and attached to the movable support 4, which supports the
counter-shaft, is an extension frame 20, of rigid construction and attached to said
support 4.
In the free end of this frame is secured the tool-carriage 21.
The means above specified for controlling the lateral position of the support 4
likewise serve to control the position of the tool-carriage.
Hence the latter can be moved laterally across the table.
The tool-carriage proper 21 consists, primarily, of a horizontal plate 23, pivoted
at the ends in the outer extremity of the oscillating frame 20. Said plate is formed
with openings or apertures 24 in number to correspond with the cutting-tools
employed. The position of this plate can be accordingly changed or partially
revolved, as desired, while it is held rigidly, after being shifted in position, by
means of a clamping-nut 25, which engages the screw-threaded end of one of the
pivots. This latter projects through the frame 20 at this point. Furthermore,
disposed in pairs and transversely of the centre of each aperture are short vertical
ears 26, which serve as journals for the tool-heads 27. These latter consist of a
hollow rectangular frame 28, having solid ends or short cylindrical bosses 29,
-centrally bored to receive a spindle 30, longitudinally journalled therein. At the
lower end of said spindle is removably attached a cutting-tool 31, while upon that
part within the frame 28 of the head is secured a pulley 32, suitably operated by a
belt. Rising from the top of said frame are two rigid curved arms 34, which are
pivotally connected with a rod hereinafter described. Oscillating movement of the
tool-head is effected by means of transverse bolts or trunnions 35, which rest in the
ears 26. By means of the above mechanism the gang of tools are enabled to
oscillate in vertical planes, as illustrated in Fig. 5, or transversely of the table.
To provide for simultaneous movement of each tool-head in the series, so that
the position of every individual tool shall be the same with every other as regards
the surface of the table, a longitudinal rod 36 is pivotally connected to the arms 3+,
before mentioned, of every tool-head, and finally, passing through two clamping-
bars 37 at one end of the plate 23, is held in any desired position by a
thumb-screw 38.
Since the pivots 39 of the plate 23, which constitutes the tool-carriage 21 and
in which are mounted the respective tool-heads, are at right angles to the
longitudinal axes of said tool-heads, it is evident that the tools are capable of
oscillating in vertical planes lengthwise of the table, or as illustrated in Fig. 4--
that is, at right angles to the adjusting movement. (Shown in Fig. 5.) Hence
undercut work of any description can be accomplished, since each tool can be
.made to circumscribe a cone, the base of which is on the surface of the table,
while its apex is at a point on the spindle 30, opposite the trunnions 35, and this is
.accomplished by the combined oscillatory movements of the pivotal carriage 21
and the tool-heads 27.
To rotate the tools, belts 40 pass from the pulleys 32 to corresponding pulleys 41
on the counter-shaft 5. Preferably to balance the tool-carriage and prevent a
thrust, which might occur if all the tools revolved in the same direction, those on
one side of the centre of the carriage revolve in one direction, while those on the
other side rotate oppositely.
In the present instance the machine is fitted to carry eight cutting-tools. The
centre tool-head, similarly mounted after manner of the others, is equipped with a

page_text: pointed metallic rod 42, which is not intended to revolve, but simply to be passe l
or dragged over the pattern-plate 43 by means of a hand-grasp 45, (see Fig. 1)
attached to the tool-carriage or to the extension-frame 20. When the machine is
in readiness to operate, the lower extremities of each tool are then to be in the
same horizontal plane with each other and with the end of the pattern-tool. Hence
every movement, rise or fall, lateral, oblique, or otherwise, is participated in by
each and all of the cutting-tools. Such movements are controlled by the surface
contour of the pattern, and hence when the pattern-tool has been passed across
every portion of the surface of said pattern an identical reproduction has been
created by each one of the cutting-tools.
To relieve the operator from fatigue incidental to the weight of the frame 20
when the latter is moved about, I have attached pendent springs 46, which are
upheld by suitable links and pulleys 47, adjustable vertically.
When the tool-carriage is positioned obliquely, as shown in Fig. 4-that is, in a
plane parallel with the longitudinal axis of the belt, or when the latter is moving
at an oblique angle with the tool-spindle 30 in lieu of at right angles, or thereabout,
as is usually the case-there is a tendency for the belt to ride up and slip off.
Hence I have arranged guide-rolls 48 above and below, as shown in Fig. 4.
Thus
when the carriage has been tilted to a certain angle the belt is brought against one
of said guides, and it is thus held against any further tendency to run off until the
carriage is returned to a more normal position.
In Figs. 2 and 3 of the drawings the wood-carving machine is shown as equipped
with a travelling table and a pivotal or oscillating frame 20, with a counter-shaft 5,
the said frame being attached to a support 4, which is adjustably mounted in two-
fixed uprights 3 3.
To avoid the use of a movable table and its guides, I have shown a modified way
of mounting the swinging frame 20, in which the cutting-tools are secured. By
means of this arrangement a stationary table can be substituted for the movable
table now in general use.
Reference to the drawings, Figs. 6 and 7, show the counter-shaft 5, with its
drum 6 and belt 7, supported in two fixed standards 49, while an intermediary
hanger-frame 50, furnished with a shaft 51, having a drum 52, the latter receiving
motion from a belt 53, is pivotally attached to the lewer ends of a pair of rods 54,
suitably trussed and capable of movement laterally by means of rolls or wheels 56,.
affixed in their upper ends and adapted to travel on horizontal guides 57 in fixed
hanger-posts 58. To this swinging hanger-frame 50 is attached the oscillating
frame 20, which contains the tool-carriage and tool-heads. To provide for lateral
movement of said frame 20, the drum 52 is elongated, while longitudinal movement
is effected by the swinging movement of the rods 54 upon their supports. By
such mechanism circular, oval, or other curvilinear motion may be described by
the cutting-tools without change in the position of the tool-carriage or the
individual tool-heads. For undercut work the necessary adjustments in the
positions of the tool-carriage and of the tool-heads must be made in the usual
manner, as before explained, when the table had travelling movement.
The mode of operation when the above-described instrumentalities co-operate is
as follows: The screw-rod 16 serves to adjust the horizontal support 4 at a
suitable distance above the table. At the same time the pivotal shaft 12' is in an
upraised position (see Fig. 3) to disengage the wheel 12 from its notched shaft 10.
In this way the carriage and tools are readily positioned above the work. After
the preliminary adjustment is obtained the hand-wheel 13 is grasped, the shaft 12'
swung down, and the toothed wheel caused to engage the notched shaft. The
machine is then in readiness to perform the rough or blocking-out work and all
lateral thrusts or unsteady motion is avoided by the positive feed mechanism now
employed. When blocking out is finished, the hand-wheel and shaft are again
raised, the toothed wheel 12 and shaft 10 disengaged, and the standard free to be
controlled by a slight push or thrust from the hand of the operator. The tool-
carriage is now tilted or rocked by loosening the thumb-nut 25 to adjust the tools

page_text: in a proper position, considered with reference to a vertical plane longitudinally of
the table, as would be indicated by reference to Fig. 4 of the drawings. This
position may be vertical with respect to the surface of the table or oblique thereto.
A further adjustment can be made to bring the carriage in such position as to cause
the longitudinal axes of the tools to be maintained in a plane vertically of the
table, considered lengthwise, but obliquely with respect to a plane transversely of
the table, as is indicated in Fig. 5. In such event the clamp-nut 38 is relaxed and
the controlling-bar 36 thrust end wise or until the tools are positioned at the desired
angle. These two last adjustments are more particularly for undercut work.
In case plane straight carving is to be performed the tools are to be adjusted to
stand normal with the surface of the table when the operator grasps the hand-
hold 45 and causes the tools to follow the pattern and cut the work, which is
actuated in traverses after the manner of a planer when a movable table is
employed. Lateral movement is produced by means of the pinion 12 and the
notched rod 10 of the standard in blocking work.
In the event of a stationary table being used the frame 20, with the tool-carriage
and its tools, is reciprocated in right lines by the oscillation of the hanger-frame 50
upon its rollers 56 transversely about the rods 57. Lateral movement or feed is
easily obtained by the operator giving a thrust or pull to the entire frame 20, which
causes the frame 50 to roll upon its rods 57, while the length of the drum 52 enables
the belt to accommodate itself for such feed movement. It is evident with such an
arrangement that the tools can be caused to describe curvilinear movement, while
their axes are at all times normal to the table. Should, however, curvilinear under-
cut work be desired, the locking-nuts 25 38 are relaxed, in which event the operator
is enabled not only to rock the tool-carriage, but likewise move the bar 36, which
will produce a compound resultant movement, herein before described, of great
utility.
Having now particularly described and ascertained the nature of the said inven-
tion, and in what manner the same is to be performed, as communicated to me by
my foreign correspondent, I declare that what I claim is-
1. In a carving-machine, the combination, with fixed uprights, a support
pivotally mounted in said uprights and movable endwise therein, means whereby
vertical adjustment of said support as a whole on said uprights is effected, and a
horizontal extension-frame secured at one end to said support, of a tool-carriage
rocking transversely in the free end of said frame, a non-revoluble pattern-tool, and
one or more revoluble cutting-tools mounted in said carriage, substantially a-
specified.
2. In a carving-machine, the combination, with fixed uprights, a support pivotally
mounted in said uprights and movable endwise therein, means whereby vertical
movement of said support as a whole on said uprights is effected, a frame attached
to said support, and a carriage mounted to rock transversely in the free end of said
frame, of a series of independent tool-heads pivotally mounted in said carriage, a
non-revoluble pattern-tool, and one or more revoluble cutting-tools secured in said
heads and adapted for universal movement, substantially as explained.
3. In a carving-machine, the combination, with a work-table, a support free to
move end wise and to rock on its axis and in which is supported a counter-shaft, a
frame attached at one end to said support, and an axially-rocking tool-carriage iu
the free end of said frame, of a series of tool-heads adapted to swing pivotally in
planes coincident with the longitudinal axis of the carriage, removable cutting-tools,
and a single pattern-tool in the lower end of said heads, and mechanism for
rotating said cutting-tools independently from said counter-shaft, substantially as
described.
4. In a carving-machine, an endwise-movable swinging frame, meaus for adjusting
said frame as a whole vertically and for moving it as a whole horizontally when
required, an axially-rocking tool-carriage composed of an apertured plate with
upright ears arranged in pairs at intervals thereacross, and upright end arms 37,

page_text: connected with said bar 36, combined with independent tool-heads, means for
clamping them together when desired, and a bar 36, passing between said arms 37,
a non-revoluble pattern-tool, a series of revoluble cutting-tools, and means for
actuating the cutting-tools, substantially as set forth and stated.
5. In a carving-machine, the combination, with a swinging frame having
horizontal and vertical adjustment and a tool-carriage adapted to rock axially in its
free end and be held in any position, of a series of tool-heads oscillating at right
angles to the rocking movement of the carriage and mounted thereupon, a series of
revoluble spindles in said head, operating-tools, a longitudinally-movable rod
pivotally attached to each tool-head to produce simultaneous and similar movement
of every head, and a clamp whereby the said rod and connected parts may be held
in desired position of adjustment, substantially as set forth.
6. In a carving-machine, a swinging frame capable of horizontal and vertical
adjustment, an axially-rocking tool-carriage in its free end, composed of an
apertured plate 23, its journal-supports, the upright ears in pairs thereacross, a
reciprocating bar 36, and end arms 37, combined with a series of tool-heads, each
composed of a frame 28, trunnions 35, a revoluble spindle to receive a cutting-tool
and furnished with a pulley, and guide-rolls 48, all operating substantially as
explained.
7. In a carving-machine, the combination, with a swinging frame, an axially-
rocking tool-carriage in its free end, a series of tool-heads pivotally mounted in said
carriage, a non-revoluble pattern-tool, and a series of revoluble cutting-tools adapted
for universal movement, of an oscillating hanger-frame which upholds the pivoted
end of the swinging frame, the fixed supports, and mechanism to provide right-line
movement of the hanger-frame upon its supports, substantially as stated.
8. In a carving-machine, a rigid swinging frame, a support capable as a whole of
horizontal endwise movement and also vertical adjustment, and the counterpoise
springs or weights, combined with a tool-carriage adapted to rock upon its axis
parallel with the horizontal axis on which the frame swings, a pattern-tool and one
or more cutting-tools, and tool-heads which receive said tools and are capable of
adjustment pivotally in planes coincident with the longitudinal axis of the tool-
carriage, substantially as explained.
9. The fixed uprights 3, an oscillating extension-frame 20, upon which is mounted
a pivotal tool-carriage with rocking tool-heads, combined with a movable
support 4, which interconnects said extension-frame with the uprights and is
composed of end heads 9, supporting-shafts 10, and longitudinal connecting-bars 8,
and with the pivotally-supported shaft and its toothed wheel 12, and hand-wheel 13,
said toothed wheel being adapted to be engaged with one of the shafts 10 when
desired, substantially as specified and set forth.
10. In combination with fixed uprights, a movable support capable of vertical
and longitudinal adjustment thereupon, an oscillating extension-frame pivoted at
one end to said support, the pivotal tool-carriage with rocking tool-heads in the
free end of said frame, and a counter-shaft 5, actuated by some prime motor and
having journal-supports 19 in the end heads of said support, a series of pulleys upon
said shaft, and belts therefrom to operate the individual cutting-tools in the tool-
heads, substantially as explained.
Dated this 12th day of December 1893.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.