Improvements in and relating to Turret-heads for Metal Working Machines.
Year: 1898

page_text: Date of Application, 10th May, 1898—Accepted, 10th Sept., 1898
COMPLETE SPECIFICATION.
Improvements in and relating to Turret-heads for Metal Working
Machines.
I, NATHANIEL VIDETO PERRY, of Falls Church, in the County of Fairfax, and
State of Virginia, United States of America, Mechanical Engineer, do hereby
declare the nature of this invention, and in what manner the same is to be per-
formed to be particularly described and ascertained in and by the following
statement:-
My invention relates to the class of metal working machines more commonly
known as of the "monitor turret type, in which working tools are held in a
revolving turret mounted in operative relation to a blank holding device, the rota-
tion of the turret bringing the tools into proper position to operate upon a blank,
and the object of my invention is to provide a machine of this class in which the
turret may be rotated independent of the reciprocating movement of the carriage
on which it is mounted, when so mounted, and without regard to its position or
condition, that is, whether moving or at rest; and a further object is to provide
a turret operating mechanism in which the turret may be rotated to any desired
extent and the extent of its movement varied at will, simply by changing a portion
of the mechanism, and a further object of the invention is to provide a universal
locking device for preventing rotation of the turret.
To this end my invention consists in the device as a whole, in the details, and
in the combination of the parts making up the device, as hereinafter described and
more particularly pointed out in the claims.
Referring to the drawings:-
Figure 1 is an end view in vertical section of a portion of a machine embodying
my invention, and on dotted line of Figure 2, the yoke being removed.
Figure 2 is a view in side elevation of the same.
Figure 3 is a detail view, partly in section, illustrating the manner of operating
the friction band.
Figure 4 is a detail plan view illustrating the ratchet and turret operating gears.
Figure 5 is a detail plan view illustrating the mechanism for locking the turret.
Figure 6 is a detail side view in section of a portion of the machine, on dotted
line y-y of Figure 1, and showing the turret revolving and locking mechanism,
with the turret and intermediate gears removed.
Figure 7 is a detail view on enlarged scale showing in side view a portion of
the machine in section on dotted line 2-2 of Figure 1, and illustrating the turret
locking and revolving mechanism.
Figure 8 is a detail end view, on enlarged scale, and in section, showing the
turret locking mechanism.
My invention is directly related to the turret operating mechanism, of a metal
working machine, and in the drawings herein only so much of such a machine
as is necessary to a clear understanding of the invention has been shown, the parts
of the machine omitted from the illustration and description being of any well
known and ordinary type.

page_text: In the drawings the numeral 1 denotes the frame of the machine, that may be
of any desired form and construction, preferably of metal cast to shape, 2 a cam
shaft mounted in bearings in the frame and supporting a main cam wheel 3 and
a pawl cam wheel 4, these cam wheels having cams adjustably secured thereto in
proper position to cause the required timely operative movement of the different
parts of the machine for operating the turret.
A carriage 5 is mounted in a slideway 6 on the frame, a roller 7 mounted on
a stud on the carriage engaging the cams on the main cam wheel for the purpose
of reciprocating the carriage in the slideway. A turret 8, preferably with its axis
arranged vertically, as shown, is mounted to revolve on the carriage 5, a turret
gear wheel 9 being secured to a central hub 10 on the turret. A boss 25 on this
gear wheel is located in a groove in the hub 10 on the turret causing the gear and
turret to rotate together.
Intermediate gears 11 are mounted on studs secured to the under surface of
the carriage 5, these intermediate gear wheels meshing with the turret gear wheel 9,
preferably on diametrically opposite sides, and also meshing with an internal
gear 12 located on a gear flange 13 on a ratchet 14. This ratchet is mounted in
a socket 15 in the under side of the carriage, a bearing flange 16 projecting from
the ratchet on the opposite side from and in a plane with the gear flange. Any
suitable means may be employed for connecting the ratchet with the carriage..
A pawl slide 18 is mounted in a pawl slideway 19 formed in the frame of the
machine (see Figure 6 of the drawings) and bears on its under surface a pawl slide
roll 20 mounted on a stud secured to the slide. A pawl 21 (Figure 4) is pivoted
to the pawl slide in such manner as to have lateral swinging movement on the
pawl stud 22, the pawl being so located that its forward end will engage the ratchet
teeth on the ratchet 14. A suitable spring or equivalent means is employed to
hold the pawl normally in engagement with the ratchet wheel. The pawl slide
roll 20 projects into the path of movement of the cams on the pawl cam wheel 4,
by means of which the pawl slide is reciprocated.
An interior hub 23 is formed on the carriage and a tapered bushing 24 is located
in a central opening in this hub with a flange on its upper end overlying the
edge of said hub. The hub 10 on the turret is located in an opening through the
bushing that forms a bearing in which the turret revolves.
An exterior hub 26 on the carriage has a shouldered recess in which the turret
is mounted, the turret flange 27 resting on the shoulder in the recess. An index
ring 29 is secured to the under side of the turret, as by means of screws or other
fastening means, a central hub 30 on the index ring being employed for the
purpose of centering the ring on the turret in assembling the parts."
An index bolt 31 is mounted in a groove 32 formed in a lateral projection 33
on the hub. This index bolt is tapered at its forward end to fit the tapered notches
in the periphery of the index ring. An index bolt stud 34 is secured to the index
bolt, projecting on opposite sides thereof, the lower end of the stud projecting
through a slot 35 in the lateral projection 33 of the carriage, and into a groove 36
in the index stud slide 37. This index stud slide is mounted in a slideway 38
in a bracket 39 secured to the side of the frame of the machine. An index bolt
lever 40 is pivoted on the frame, the lower end of the lever being in engagement
with the face cams 41 on the pawl cam wheel 4 and the upper end of the lever
passing through a slot in the under surface of the bracket and engaging the index
stud slide 37 by means of which the index bolt is operated.
The turret flange 27 is beveled on its upper surface and a friction band 42 with
its under surface beveled to correspond with the beveled surface of the turret
flange is supported thereon and within the shouldered recess in the exterior hub 26
of the carriage. This friction band surrounds the turret and is held in place by
means of a split collar 43 forming a cap for the shouldered recess in the hub 26
of the carriage. This collar 43 bears on its inner edge an upturned flange 44
fitting within an annular groove 45 in the outer surface of the turret. This con-
struction of the split collar or cap with the upturned flange prevents the entrance

page_text: of chips or dirt into the recess in which the turret revolves, and which would
interfere with the proper working of the parts.
The friction band 42 is split on one side and toggle lugs 46 extend laterally from
it on opposite sides of the opening therethrough. Toggles 47 are pivoted to the
toggle lugs 46, the opposite ends of each of the toggles being pivoted to adjusting
screws 48 supported in a yoke 49 mounted on the plate 50 that forms a cap for
the groove 32 in the projection 33 from the carriage, as clearly shown in Figure 8.
These toggles are supported at each end in cupped recesses in the supporting
parts, this means of pivoting forming a universal joint that allows the adjusting
screws to be turned to provide the proper means of adjustment of the toggles,
lock nuts on each of the adjusting screws securing them in any desired. position
of adjustment.
The yoke 49 in its movement to clamp the parts strikes against, the side.of the
exterior hub 26 that, forms a stop to limit its movement in this direction, the
toggles at this time being so located that a line drawn through the pivotal points'
of the toggles on the adjusting screws will pass to the rear of a line drawn through
the pivotal points of connection of the opposite ends of the toggles with a result
that the yoke is locked in this position by the pressure of the clamping band, the
yoke in its movement being allowed to pass beyond the center and the pressure of
the band forcing the yoke against the hub 26 instead of in the opposite direction.
The index bolt stud 34 projects through an elongated slot 51 in the yoke 49
that, through the medium of this stud, is reciprocated by the movement of the
index stud slide 37. The stud is thus loosely connected with the yoke so that the
index bolt may be nearly seated in the notches in the index ring before said stud
causes the friction band to operate to lock the turret.
The operation of the machine is as follows:-
The several parts being in the position shown in the drawings with the carriage
at the forward limit of its play with a tool in position to operate upon a blank
that has been fed by any suitable mechanism into a chuck by which it is held to
be operated upon by the tools mounted in the turret. (This feeding and holding.
mechanism for the blank being of well known construction in machines of this
class, an illustration and detailed description of the same is deemed unnecessary
herein.) In this position of the carriage the friction band 42 is tightly clasped
about the turret 8 and the index bolt 31 is in engagement with the notches in the
index ring 29. The cams on the main cam wheel 3 engage the carriage roll. 7,
moving the carriage backward a distance sufficient to clear the operating tool
from the blank. A cam on the face of the pawl cam wheel 4 now engages the
index bolt lever 40, causing the index stud slide to be moved outward carrying
with it the index bolt stud 34 and the index bolt 31, the stud moving along.the.
elongated slot 51 in the yoke 49. After the index bolt has made a slight outward,
movement the engagement of the stud with the wall of the slot in the yoke causes
the latter to be moved outward and relieves the turret from the pressure and
grasp of 'the friction band: The friction band when exerting a grasp upon the
turret is prevented from turning by the engagement of the toggle lugs with. the
walls of the opening through the exterior hub 26, this rotation of the band,, in
fact, being prevented at all times, but being especially necessary at the time. when
it is operating to hold the turret from rotating.
In the movement of the carriage in the slideway, the index bolt stud 34 slides
along the groove 36 in the index stud slide 37, thus keeping the parts constantly.
in engagement and providing for the movement of the index bolt simultaneously.
with any movement of the index stud slide without regard to the position of the
carriage.
When the friction band is released and the index bolt fully withdrawn. a cam
on the pawl cam wheel 4 engages the pawl slide roll 20 moving the pawl slide 18
and
carrying the pawl 21, or a pawl stud located thereon, into engagement with
the ratchet 14; the continued movement of the pawl slide imparted by the cam,
rotates the ratchet and the internal gear 12. The rotation of the internal gear

page_text: imparts movement to the gears 11 that in turn rotate the turret gear wheel 9 and
the turret 8 to which it is secured.
The extent of rotation of the turret is governed by the extent of rotation of
the ratchet caused by the engagement of the pawl on the pawl slide and the move-
ment of the latter, the degree to which the turret will be turned in a given
movement of the slide under equal conditions being varied by changing the ratio
between the teeth on the turret gear wheel and the teeth on the internal gear wheel.
In the device shown the ratio between the teeth on the internal gear 12 and the
turret gear 9 is as two to one, so that a movement of the slide sufficient to cause
the ratchet and internal gear to rotate a quarter of a revolution will impart to the
turret gear and turret a movement constituting half a revolution.
It will be seen from this construction that by a proper arrangement of the cams
on the main cam wheel and pawl cam wheels to cause the timely operation of the
several parts the turret may be revolved with the carriage in any position and
without regard as to whether it be in motion or at rest, and also that any extent
of rotation of the turret may be obtained by varying the extent of movement of
the slide or by varying the ratio between the turret and internal gears. From this
it follows that a turret containing a given number of tool holding devices may be
rotated to bring the tools successively into operation or may be rotated past one
or more tools at the will of the operator by simply changing a portion of the
mechanism, and also that a blank may be operated upon by a tool held in the
turret to an extent equal to the space between the end of the tool and the chuck
holding the blank with the carriage at its greatest distance from the chuck; the
turret not depending upon the sliding movement of the carriage for its rotation
no movement of the carriage is lost in rotating the turret, and consequently in a
machine of a given size an advantage is gained over prior machines of the same
size in the length of work that may be produced by utilizing the whole travel of
the carriage in operating the tools.
A further advantage is gained from the fact that the carriage is moved only
sufficient to clear the tools from the work, no extra movement of the carriage being
required to rotate the turret and a consequent saving in the wear on the moving
parts of the machine and of time employed for such movement, thus producing
more work of a like character within a given time.
It will be noted that the construction of the bevel surface on the turret and
friction band operates to hold the turret down to its seat upon the carriage as well
as lock it against rotation, the pressure being exerted in a line diagonally to the
axis of the turret, providing a universal clamping device, and by means of the
adjusting screws bearing the toggles any wear may be easily compensated for by
a slight inward adjustment of the screws and any desired tension on the friction
band secured. The locking of the yoke in its inward position provides a positive
lock, in addition to the index bolt, for locking the turret against rotation as well
as means for holding the turret down to its seat on the carriage, increased pressure
on the turret in any direction more positively locking the parts to retain the grasp
of the friction band on the turret. In the use of the friction band the office of
the index bolt is more properly to locate the turret in position for the operation
of the tools at the time when the band is caused to lock the turret.
While there has been illustrated and described herein one means of carrying out
my invention in its several particulars, it is obvious that other means for accom-
plishing the same results may be employed and yet come within the scope of the
invention, and I do not desire to limit myself to the exact construction of parts
herein illustrated and described.
While the means for revolving the turret and for locking it in position for the
operation of the tools have been described herein in connection with a turret
mounted on a travelling carriage it is obvious that the same features may be
employed for operating a turret having no movement except a rotating one.
It is obvious that a friction band having a beveled surface co-acting with a
beveled surface on the turret need not necessarily consist of a split ring to embody

page_text: the features of invention whereby a clamping action is exerted on the turret in a
radial direction as well as in a vertical or horizontal direction, and I do not desire
to limit myself to the construction of the ring with an opening through one side.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is:-
1. A blank holder, a turret rotatively mounted in operative relation to the
holder and having tool holding means, means for rotating the turret independent
of other movement thereof, means for varying the degree of rotation of the turret,
an index ring secured to the turret, an index bolt to engage notches in the index
ring, and means for operating the index bolt.
2. A blank holder, a turret mounted in operative relation to the holder, a tool
held by the turret, means for rotating the turret independent of other movement
thereof, means for varying the degree of rotation of the turret, an index ring
secured to the turret, an index bolt to engage the ring, means for operating the
index bolt, and means for varying the distance between the turret and blank
holder.
3. A turret, means for rotating the turret, a non-rotative friction band sup-
ported in operative relation to the turret, and automatic means for causing the
band to bind the turret.
4. A turret, means for rotating the turret, a beveled surface on the turret, a
non-rotative friction band having a beveled surface corresponding to the beveled
surface on the turret, and automatic means for causing the band to bind the turret.
5. A rotating turret having a radially beveled surface, means for rotating the
turret, a non-rotative friction band supported in operative relation to the turret
and having a beveled surface corresponding to the beveled surface on the turret,
and automatic means for causing the band to bind the turret.
6. A rotating turret having a radially beveled surface, automatic means for
rotating the turret independent of the reciprocating movement of the carriage,
a non-rotative friction band supported in operative relation to the turret and
having a beveled surface corresponding to the beveled surface on the turret, an
opening through the band, and means for causing the band to bind the turret.
7. A turret, means for rotating the turret, a friction band supported in operativo
relation to the turret and having an opening through the side, a toggle lug pro-
jecting from the band, a sliding yoke, a toggle pivoted to the yoke and toggle lug,
and means for operating the yoke.
8. A turret, means for rotating the turret, a friction band supported in operative
relation to the turret and having an opening through the side, a toggle lug pro-
jecting from the band, a sliding yoke, a toggle pivoted to the yoke and toggle lug,
means for operating the yoke, and a stop to limit the movement of the yoke.
9. A turret, means for rotating the turret, a friction band supported in operative
relation to the turret and having an opening through the side, toggle lugs pro-
jecting from the band, a sliding yoke, toggles pivoted to the yoke and toggle lugs,
means for operating the yoke, and a stop to limit the locking movement of the
yoke at a point with the end of the toggles connected with the yoke located at a
point beyond a line passing through the opposite pivots.
10. A turret, means for rotating the turret, a friction band supported in
operative relation to the turret, an opening through the band, a sliding yoke,
toggles pivoted to the yoke and to the band on opposite sides of the opening,
means for operating the yoke, and a stop to limit the inward movement of the
yoke at a point with the ends of the toggles connected to the yoke located beyond
a line passing through the opposite pivots.
11. A turret, means for rotating the turret, a friction band supported in operative
relation to the turret and having an opening through the side, a yoke, a toggle
pivoted to the band and yoke, a lever operatively connected with the yoke, and
means for operating the lever.

page_text: 12. A turret, means for rotating the turret, a friction band supported in operative
relation to the turret and having an opening through the side, a yoke, a toggle
pivoted to the band and yoke, an index ring secured to the turret, an index bolt
to engage the index ring, an index bolt stud secured to the index bolt and loosely
engaging the yoke, and means for operating the index bolt stud to move the index
bolt and yoke.
13. A turret, means for rotating the turret, a friction band supported in opera-
tive relation to the turret and having an opening through the side, a yoke,
adjusting screws supported on the yoke, toggles pivoted to the band and adjusting
screws, and means for operating the yoke."
14. A support, a turret mounted on the support, a gear engaged with the turret,
an internal gear, an intermediate gear interposed between the turret and internal
gear, a ratchet secured to the internal gear, and means for operating the ratchet.
15. A support, a turret mounted on the support, a gear engaged with the turret,
a ratchet operatively connected with the turret gear, a pawl arranged to engage
the ratchet, a pawl slide bearing the pawl, and means for reciprocating the pawl
slide.
16. A support, a turret mounted on the support, a gear engaged with the turret,
an internal gear, intermediate gears interposed between the turret and internal
gear, a ratchet secured to the internal gear, a pawl arranged to engage the ratchet,
a pawl slide bearing the pawl, and means for reciprocating the slide.
17. A support, a shouldered recess within the support, a turret having a beveled
flange and located in said recess, a non-rotative friction band having a beveled
surface corresponding with the beveled surface on the turret flange, a cap over-
lying the recess and friction band, means for rotating the turret, and means for
operating the friction band.
18. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, means for
varying the degree of rotation of the turret, an index ring secured to the turret,
an index bolt to engage the index ring, and means for operating the index bolt.
19. A reciprocating carriage, a turret mounted thereon, automatic means for
rotating the turret independent of the reciprocating movement of the carriage, a
friction band supported in operative relation to the turret, and means for causing
the band to bind the turret.
20. A reciprocating carriage, a turret mounted thereon and having a beveled
surface, means for rotating the turret independent of the reciprocating movement
of the carriage, a friction band having a beveled surface corresponding to the
beveled surface on the turret, and automatic means for causing the band to bind
the turret.
21. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, a friction band
supported in operative relation to the turret and having an opening through the
side, a toggle lug projecting from the band, a sliding yoke, a toggle pivoted to
the yoke and toggle lug, and means for operating the yoke.
22. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, a friction band
supported in operative relation to the turret and having an opening through the
side, a toggle lug projecting from the band, a sliding yoke, a toggle pivoted to the
yoke and toggle lug, means for operating the yoke, and a stop to limit the locking
movement of the yoke at a point with that end of the toggle connected with the
yoke located at a point beyond a line passing through the opposite toggle pivot
and at right angles to the plane of movement of the yoke.
23. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, a friction band
supported in operative relation to the turret and having an opening through the 5
side, a toggle lug projecting from the band, a sliding yoke, a toggle pivoted to

page_text: the lug and yoke, means for operating the yoke, and a stop to limit the locking
movement of the yoke.
24. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, a friction band
supported in operative relation to the turret, an opening through the band, a
sliding yoke, toggles pivoted to the yoke and band, a lever operatively connected
with the yoke, and means for operating the lever.
25. A reciprocating carriage, à turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, a friction band
supported in operative relation to the turret and having an opening therethrough,
a yoke, toggles pivoted to the band and yoke, an index ring secured to the turret,
an index bolt to engage the index ring, an index bolt stud secured to the index
bolt and loosely engaging the yoke, and means for operating the index bolt stud
to move the index bolt and yoke.
26. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, a friction band
supported in operative relation to the turret and having an opening therethrougli,
a yoke, adjusting screws supported on the yoke, toggles pivoted to the band and
adjusting screws, and means for operating the yoke.
27. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage; a gear engaged
with the turret, a gear operatively connected with the turret gear, and means for
rotating the gears.
28. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret independent of the reciprocating movement of the carriage, a gear engaged
with the turret, a gear for rotating the turret and operatively connected with the
turret gear, a ratchet secured to the turret rotating gear, and means for operating
the ratchet.
29. A reciprocating carriage, a turret mounted on the carriage, a gear engaged
with the turret, an internal gear, an intermediate gear interposed between the
turret and internal gear, a ratchet secured to the internal gear, and means for
operating the ratchet.
30. A reciprocating carriage, a turret mounted thereon, a gear engaged with
the turret, a ratchet operatively connected with the turret gear, a pawl arranged
to engage the ratchet, a pawl slide bearing the pawl, and means for reciprocating
the pawl slide.
31. A reciprocating carriage, a turret mounted on the carriage, a gear engaged
with the turret, an internal gear, intermediate gears interposed between the turret
and internal gear, a ratchet secured to the internal gear, a pawl arranged to engage
the ratchet, a pawl slide bearing the pawl, and means for reciprocating the slide.
32. A reciprocating carriage, a turret rotatively mounted thereon and having
a beveled flange, a non-rotative friction band having a beveled surface correspond-
ing with the beveled surface on the turret flange, a cap overlying the friction band,
means for rotating the turret, and means for operating the friction band.
33. A reciprocating carriage, a turret mounted thereon and having a radially
beveled surface, means for rotating the turret, a band supported in operative
relation to the turret and having a beveled surface corresponding with the beveled
surface on the turret, means for compressing the band against the turret, and a
slide continuously connected with the means for operating it.
34. A reciprocating carriage, a turret mounted on the carriage, means for
rotating the turret, a friction band supported in operative relation to the turret and
having an opening through the side, toggle lugs projecting from the band, a
sliding yoke, toggles pivoted to the yoke and toggle lugs, a slide continuously
connected with the yoke, and means for operating the slide.
35. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret, a friction band supported in operative relation to the turret and having

page_text: and opening therethrough, a yoke, toggles pivoted to the band and yoke, a slide
continuously connected with the yoke, a lever in engagement with the slide, and
means for operating the lever.
36. A reciprocating carriage, a turret mounted thereon, means for rotating the
turret, a friction band supported in operative relation to the turret anu having
an opening therethrough, a yoke, toggles pivoted to the band and yoke, an index
ring secured to the turret, an index bolt to engage the index ring, an index bolt
stud secured to the index bolt and loosely engaging the yoke, an index stud slide
having a groove engaging the index bolt stud, and means for operating said slide.
37. A reciprocating carriage, a turret mounted on the carriage, means for rota-
ting the turret, a friction band supported in operative relation to the turret and
having an opening therethrough, a yoke, adjusting screws supported on the yoke,
toggles pivoted to the band and adjusting screws, a slide having a groove, a stud
located in the groove and connected with the yoke, and means for operating the
slide.
38. A turret, means for rotating the turret, a friction band having an opening
through the side and supported in operative relation to the turret, and automatic
means for causing the band to bind the turret.
39. A turret, means for rotating the turret, a friction band supported in
operative relation to the turret and having an opening through the side, a yoke,
an adjusting screw supported on the yoke, a toggle pivoted to the band and adjust-
ing screw, and means for operating the yoke.
40. A reciprocating carriage, a turret mounted on the carriage, means for
rotating the turret, a friction band supported in operative relation to the turret,
means for causing the band to bind the turret, a slide continuously connected
with the band operating means, and means for operating the slide.
41. A blank holder, a turret rotatively mounted operative relation to and
with its axis vertically arranged with respect to the axis of the holder and having
tool holding means, means for automatically rotating the turret independent of
other movement thereof, and means for varying the degree of rotation of the turret.
42. A blank holder, a turret rotatively mounted in operative relation to and
with its axis vertically arranged with respect to the axis of the holder and having
tool holding means, means for automatically rotating the turret independent of
other movement thereof, means for varying the degree of rotation of the turret,
and a locking device for holding the turret against rotation.
43. A blank holder, a turret rotatively mounted in operative relation to and
with its axis vertically arranged with respect to the axis of the holder and having
tool holding means, means for automatically rotating the turret independent of
other movement thereof, means for varying the degree of rotation of the turret,
an index ring secured to the turret, an index bolt to engage shoulders on the index
ring, and means for operating the index bolt.
44. A blank holder, a turret mounted in operative relation to and with its axis
vertically arranged with reference to the axis of the holder and having tool holding
means, means for automatically rotating the turret, independent of other move-
ment thereof, means for varying the degree of rotation of the turret, and means
for varying the distance between the turret and blank holder..
45. A blank holder, a turret mounted in operative relation to and with its axis
vertically arranged with respect to the axis of the holder and having tool holding
means, means for automatically rotating the turret independent of other movement
thereof, means for varying the degree of rotation of the turret, a locking device
for holding the turret during the operation of the tool, and means for varying the
distance between the turret and blank holder.
46. A blank holder, a turret mounted in operative relation to and with its axis
I vertically arranged with respect to the axis of the holder, a gear in engagement
with the turret, a gear operatively connected with the turret gear, automatic
means for intermittently rotating the gears, and means for varying the distance
between the blank holder and the turret.

page_text: 47. A reciprocating carriage, a turret mounted on the carriage with its axis
vertically arranged, automatic means for rotating the turret independent of the
reciprocating movement of the carriage, and means for varying the degree of
rotation of the turret.
48. A reciprocating carriage, a turret mounted thereon with its axis vertically
arranged, and automatic means for rotating the turret independent of the recip-
rocating movement of the carriage.
49. A reciprocating carriage, a turret mounted thereon and with its axis
vertically arranged, automatic means for rotating the turret independent of the
reciprocating movement of the carriage, means for varying the degree of rotation
of the turret, and a locking device for holding the turret against rotation.
50. A support, a turret mounted on the support, a ratchet operatively connected
with the turret, a pawl slide, a pawl mounted thereon, and means for moving the
slide toward the ratchet independent of any movement of the turret or turret
carriage.
51. A blank holder, a turret rotatively mounted in operative relation to and with
its axis vertically arranged with reference to the axis of the holder and having
tool holding means, and automatic means for rotating the turret independent of
other movement thereof.
52. A sliding carriage, a turret rotatively mounted on the carriage, means for
rotating the turret, a turret lock mounted on the carriage, means for operating
the turret lock, and mechanism continually connecting the turret lock and the
locking means.
53. A reciprocating carriage, a turret rotatively mounted on the carriage, means
for rotating the turret, and automatic. means for locking the turret in any position
of the carriage.
54. A reciprocating carriage, a turret rotatively mounted on the carriage and
with its axis vertically arranged, and automatic means for rotating the turret in
any position thereof and whether moving or at rest.
55. A reciprocating carriage, a turret rotatively mounted on the carriage,
automatic means for rotating the turret in any position thereof and whether moving
or at rest, and automatic means for locking the turret in any position thereof.
56. A reciprocating carriage, a turret mounted thereon, a cam wheel bearing
cams with means for operating said wheel, and connecting means between the
cam wheel and turret for rotating the latter without reciprocating movement
thereof.
1 ...]
TTCA Maah Oth 1808
NATHANIEL VIDETO PERRY.
D. Young & Co.,
11 and 12, Southampton Buildings, London, W.C.,
Agents for the Applicant.