Improvements in Power Applying Mechanism.
Year: 1892

page_text: This Print is in accordance with the Original Specification as it stands after
further Amendment (under Section 18 of the Patents, &c., Act, 1883), as
allowed by the decision of the Comptroller General of the 27th day of July
1007
Date of Application, 7th Nov., 1892-Accepted, 15th Apr., 18
COMPLETE SPECIFICATION (AMENDED).
Improvements in Power Applying Mechanism.
We, GEORGE WOLCOTT GILLETTE and MorT GEORGE GILLETTE, both of
155 East 23rd Street, New York, in the County and State of New York, United
States of America, Manufacturers, 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:---
Our invention relates to mechanism for applying power for operating rotary or
other tools, irrespective of the position of the latter, while the same are being moved
about different parts of the work. Our invention is herewith illustrated as embodied
in a horse clipping machine, although applicable to other purposes, as for instance,
drilling, burnishing, or cleaning various stationary objects."
Our invention consists in a foot power appliance of novel construction; also a
flexible shafting embodying certain novel features promoting universal movement
of the tool with minimum friction; and also a universally movable supporting and
guiding apparatus for the flexible shafting, adapted for operating the same in con-
junction with the said foot power appliance; and in order to enable others skilled
in the art to which our invention appertains to understand and use the same, we will
proceed todescribe its details of construction, explain its operation, and subsequently
point out in the appended claims its novel characteristics.
Referring to the accompanying drawings, in which similar characters of reference
indicate corresponding parts throughout the several views:
Figure 1, is a side elevation of one form of a machine embodying several features
of our invention;
Fig. 2, a front elevation of Fig. 1;
Fig. 3, a detail view showing a modification of the treadle;
Fig. 4, an enlarged longitudinal section of the universal supporting staff for the
shafting.
Fig. 5, is a detail view of the trunnion piece for the supporting staff;
Fig. 6, an enlarged cross section of the gear cup; the shafting of the clipping
device being disconnected;
Fig. 7, a detail view of the coiled wire tube of the flexible shafting;
Fig. 8, is a side elevation of a modified form of our invention;
Fig. 9, is a front elevation of Fig. 8;
Fig. 10, is an enlarged cross section of a modified form of mechanism substituted
for the gears.
The standard 1, of the apparatus is supported on a tripod base 2, and a suitable
driving wheel 3, is trunnioned in the said standard, carrying a belt 4, extending to.
the mechanism to be driven. The shaft of the wheel 3 is supported in bearings 14
D
075

page_text: between the bifurcated part of the standard 1, as seen in Fig. 2. The wheel 3 is
actuated by a double treadle 5, 5, on diametrically opposite cranks connected to
the shaft of said wheel 3 in a manner corresponding to that usually employed in
bicycles. Other forms of the bicycle treadles than that in Fig. 1 may be sub-
stituted; for instance, the lever treadle in Fig. 3 is suitably adapted for the
present machine. In the modification shown in Fig. 3 the wheel 3 is propelled
by the treadles 5. The manner of connecting the treadles with the wheel 3 is as
follows:
The
A connecting bar or link 3' is attached one end to the treadle and the other to a
dise which is secured to the end of the shaft on which is supported the wheel 3.
As will be seen when the treadles 5 are depressed by the operator's feet motion is
communicated through the links 31 to the disc which in turn causes the shaft and
wheel 3 to be revolved in either direction at will. A seat standard 7 is also
supported on the tripod 2 and held firmly by the cross brace 8, extending to the
standard 1. The frame 1, 7, 8, is made readily separable from the tripod 2 for
shipping, by means of double nuts 9, 9, which clamp the parts together.
frame is preferably composed of iron tubing. A saddle 10 of the bicycle pattern,
composed of leather, mounted upon springs, is adjustably attached to the rod 11,
having a set screw collar 12, by which it is rendered vertically adjustable in the
standard 7, in alignment with the driving wheel 3 to suit the operator. The upper
section 15 of the standard 1 is vertically adjustable therein by means of set screw and
collar 16, and the said collar bears a laterally extending handle bar 17, whereby
the upper frame of the machine is guided at will by the hands of the operator.
Upon the upper extremity of the standard section 15 is mounted the supporting
staff 18, trunnioned at 19 to allow of vertical angular motion; which staff is
counterbalanced by the spring 20, the tension of which is adjusted by the
bracket 22, having a suitable set screw as indicated. A suitable weight and meats
for adjusting the same may be substituted for the spring 20, at the shorter end of
the staff 18, as a means of counterbalancing the same.
In the trunnion piece 23, of the standard 15, the transmitting belt sheaves 24, 25,
are mounted as seen in Fig. 5, and by means of belts 4 and 51, motion is transmitted
therefrom to the small belt fly-wheel 26. The shaft 27 of said fly wheel 26, forms
trunnions for the gear cup 28, so that the latter is adapted to oscillate about the
axis of said shaft. Motion is transmitted to the spindle 28 through bevel
gears 29, 30, and the said spindle is mounted in a shank 31 whereon the collar 32 of
the flexible shafting is slid and adjusted by set screw 33. The spindle 281, has an
eye 34, for attachment of the chain or other flexible shaft 40. The yoke 35,
wherein the cup 28, is trunnioned, is mounted upon a longitudinally adjustable
rod 36, held by a set screw 37, so as to tighten the belt 5'. The belt 4, is tightened
by the vertical adjustment of the standard section 15.
The flexible shafting 40, herewith illustrated,
universally jointed links which are rotative within the flexible coiled wire tube 41,
is composed of a series of
covered with suitable fabric or other covering 42, as appears in Fig. 6.
50, represents a clipping machine, the cutter of which is reciprocated by a cam or
crank 51, attached to the rotary shank 52, Fig. 6.
As appears in Fig. 7, the coils of the flexible tube 41, surrounding the shafting,
are closely wound from a, to b, so that each convolution of wire lies closely upon
the other. From toe, the coils are slightly separated at a distance of say 4 of
an inch between each convolution for a 1" diameter of coil. From e to d, the
coils are further separated at a distance of, say 1/2 of an inch between each
convolution; and from d to e, such coils are further separated at say, of an inch
between each convolution. Thus a gradually increasing differential pitch is given
to the coil from 6 to e, while the other part of the tube is uniformly wound with
close convolutions forming a continuous tube. The tube 41, is thus practically
rendered of a uniformly increasing flexibility from end to end, so that when bent,
the same presents a parabolic curve. The shaft 41, may also be wound with a
uniformly increasing differentiation of pitch from one extremity a, to the other e,

page_text: In the operation of the machine, the shaft 40, is first connected to the rotary
spindle 28, within the shank 31, of the gear cup by hooking the end link of the
shaft through the eye 34. The tube 41, with its sleeve 32, is then slid up over the
shank 31, until the opposite extremity of the shaft 40, projects beyond the collar 46,
from the opposite end of the said tube, when the rotary shank 52, of the clipping
device is thereby connected by the eye 45. By lowering the collar 32, upon the
shank 31, and adjusting it with the set screw 33, the collar 46, is caused to abut on
the shank of the clipper in its proper place, and by the exercise of moderate force
in drawing down the sleeve 32, the coil 41; which forms a spring, is partially
compressed, holding the shaft 40), moderately taut when the set screw 33 is clamped.
The shaft 40, is thereby prevented from kinking and crowding, or producing undue
friction when the tube 41, is perfectly straight, and when such tube is bent into
various positions, the open portions of its coil prevent the crowding of the same on
the inside of the curve and the central elongation such as would produce
longitudinal stress upon the shaft 40, with undue tension and friction. It is
considered impracticable or undesirable to employ open coils throughout the entire
length of the tube 41, and the major part of the length thereof is therefore closely
wound to give it proper stiffness at that portion where no abrupt curvature is
required. At the lower portion from toe, and especially from d to e, the most
abrupt curvature is required, for instance, as indicated in Fig. 1, when access is
required to clip the fetlocks of a horse, in which operation it is necessary to cut
upward, and the tool must be brought very closely to the floor.
The shafting being adjusted, one operator manipulates the tool while another
mounts the saddle 10, placing his hands on the handle bar 17, and his feet on the
treadles 5, 5, and the driving wheel is then rotated continuously with the same
easy and natural motion that is employed in propelling a bicycle, while the said
second operator steers or guides the universal supporting staff 18, controlling its
horizontal sweep according to the movements of the first operator. The spring is
adjusted to counterbalance the weight of the staff 18, and shaft 42, so that such
staff automatically adjusts itself in its vertical angular motion according to the
altitude at which the tool is operated.
In the modified form of our invention, we have shown the driving wheel as a
sprocket wheel. Directly above said driving wheel and journalled on a shaft 54, in
the standard 1 is another sprocket wheel 53 of much smaller diameter. On this
same shaft is a pulley 55 which is either cast integral with or otherwise fastened
to the sprocket wheel 53 for the purpose which will appear hereinafter.
A suitable sprocket chain belt 56 is employed for giving motion to said sprocket
wheel 53 from the driving wheel 3. An ordinary belt is employed for connecting
the pulley 55 with the pulley 24 mounted in the trunnion piece 23 of the
standard 15. Motion is transmitted to the spindle 28' through a pulley 57 and the
said spindle is mounted as in the former case in a shank 31 whereon the collar 32
of the flexible shafting is slid and adjusted by set screw 33.
A yoke or fork 351 for supporting the shank, has as in the former instance, a
longitudinal adjustable rod 36. Over and around said rod is placed a spiral
spring 36 for the purpose of automatically adjusting and tightening the belt which
connects the pulley 25 with pulley 57.
We are aware of Clark's Specification No. 4293 of 1888 and we make no general
claim for improved apparatus for driving shears or cutters for shearing or clipping
horses, sheep, or other animals, or dead skins so constructed that the apparatus
can be driven by power or hand, while the cutting instrument can be moved around
the apparatus and be held and driven in any position or direction on the animal or
skin being operated upon, but,
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is
1. In a power applying apparatus, the combination of a suitable standard.
A

page_text: driving wheel and treadle a universally movable staff jointed to the said standard,
and a flexible shafting substantially as described, jointed to the said staff, and
mechanism for imparting rotation from the driving wheel to the flexible shaft,
irrespective of the relative positions of the latter and the said staff and standard.
2. In a power applying apparatus, the combination of a standard, a driving
wheel, a treadle, and saddle mounted thereon, an upper section of the standard
rotatively movable in the lower section on a vertical axis, a staff trunnioned upon
the said rotative section upon a horizontal axis, a flexible shafting substantially as
described, depending from the extremity of the said staff also trunnioned thereto
upon a horizontal axis, and means for imparting rotation from said driving wheel
to said shaft irrespective of the position of the staff.
3. In a power applying apparatus, the combination of a suitable standard, and
driving belt wheel, a pivoted staff, the transmitting belt sheaves in the axis on
which the staff is pivoted, a flexible shafting substantially as described depending
from the extremity of the staff, a belt wheel at the extremity of the staff connected
to the said shaft, and suitable belts connecting the said several wheels together
substantially as described, adapted to impart rotation irrespective of the relative
positions of the standard, staff, and shafting.
4. In a power applying apparatus, the combination of a flexible shaft, and means
for rotating the same, and a flexible coiled wire tube surrounding the shaft
composed of differentially pitched coils, substantially as described.
5. A tube for flexible shafting composed of a coil of wire in a portion of the
length whereof the convolutions abut, and in the remaining portion whereof
the convolutions are wound with interspaces increasing from the intermediate
portion toward the extremity, substantially as and for the purpose described.
6. A tube for flexible shafting composed of a coil of wire having a differential
pitch continuously changing in one direction in the length thereof, substantially as
and for the purpose described.
7. In a power applying apparatus, the combination of a flexible shafting, a tube
enclosing the same composed of a differentially wound coil of wire forming a longi-
tudinal resilient spring, and a sleeve 32, and shank 31, and means of adjusting the
same longitudinally at the other end of the coil, within which abutment and shank
the flexible shafting rotates in a longitudinally fixed position, all substantially as
aud for the purpose described.
Datad this 7th
NR. 1909