Improvements in Dabbing Apparatus for Wool Combing Machines.
Year: 1889

page_text: Date of Application, 5th June, 1889-Accepted, 20th July, 1889
COMPLETE SPECIFICATION.
Improvements in Dabbing Apparatus for Wool Combing Machines.
I, REGINALD HADDAN of the firm of Herbert & Co. Patent Agents of
18 Buckingham Street Strand I ondon W.C. in the County of Middlesex Civil Engineer
do hereby declare the nature of this invention, a communication to
me from
abroad by The Nonantum Worsted Company of Newton, State of Massachusetts,
United States of America 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 apparatus for the purpose of giving the necessary
reciprocating motion to the dabbing brushes of wool combing machines and to keep
the working parts properly lubricated shown and described, reference being made to
the accompanying drawings where
Fig. 1 represents a front elevation of the apparatus showing the driving pulley as
removed.
Fig. 2 represents a central longitudinal section of the apparatus.
Fig. 3 represents an interior view of the device the cover being shown as
removed.
Fig. 4 represents a cross section on the line X Y shown in Fig. 1 and
Fig. 5 is a side elevation drawn to a reduced scale showing the manner in which
the apparatus is driven.
Similar letters refer to similar parts wherever they occur on the different parts of
the drawings.
1 represents the pillar of one of the small circular combs of wool on a wool
combing machine to which is secured in a suitable manner the box bracket 2, said
bracket being provided with a bearing 3 for the cam shaft 4 as shown in Figs. 2
and 4; in one piece with said shaft 4 is made the conical or tapering eccentric or
cam 5 as shown in Figs. 2, 3 and 4.
6 is the cover of the aforesaid box bracket which is screwed to the latter by means
of the fastening screws 7, 7, and nuts 8, 8, which also serve the purpose of securing
to the front of the said cover 6 the gibs 9, 9, in which the front sliding plate 10 is
guided.
The cover 6 has a bearing 12 in which the front end of the cam shaft 4 is journalled
as shown in Figs. 1, 2, 4 and 5.
13 is a screw threaded gland surrounding the outer reduced end of the cam
shaft 4, said gland being secured into a central recess in the hub 12 and provided
with a suitable packing so as to prevent the escape of the lubricant at this place as
shown in Figs. 2 and 4.
14 is a grooved pulley secured as usual to the outer end of the shaft 4 which latter
is rotated by means of a cord or belt 15 from the pulley 16 on the driving shaft 17
as shown in Fig. 5.
18 is a detachable foot or bracket secured to the lower end of the sliding plate 10
preferably by means of a screw 19 shown in Figs. 1 and 2 and to such foot or
bracket is firmly secured the dabbing brush 20 as shown in Figs. 1, 2 and 5.
By having the foot piece 18 detachable from the sliding plate 10 as shown, the
dabbing brush when worn can readily be removed from the sliding plate 10 and
another one put in its place, and a brush may be taken from one machine and put on
another whenever so desired.
21 is a suitable packing secured between the meeting edges of the box bracket 2
and the cover 6 so as to effect a tight joint between said parts to prevent escape of
the lubricant at such junction.
In the hollow space enclosed by the box bracket 2 and cover 6 is located the cam
carrier 22 that is guided between vertical ribs 23 23 on the interior of 'the box

page_text: bracket 2 as shown in Figs. 2, 3 and 4 said carrier having an upwardly projecting
stem 24 that passes th: ough a perforation in the upper meeting edges of the box
bracket 2 and its cover 6 as shown in Figs. 2 and 6 and is there provided with a
screw threaded gland 25 surrounding said stem and screwed into a recess in the
upper part of the said box bracket and cover and provided with a suitable packing as
shown in Figs. 2 and 3 so as to effect a tight joint at this place to prevent the escape
of the lubricant.
The top and bottom faces of the carrier 22 is provided with hardened steel faces 26,
26 as shown in Figs. 2 and 3 against which the cam or eccentric 5 acts during its
rotation, said faces being preferably provided with horizontal projections 27, 27,
adapted to fit in corresponding grooves in the interior of the carrier 22 as shown in
Fig. 2 the said faces are preferably secured to the carrier 22 by means of set screws
shown in dotted lines in Fig. 3 or in any other suitable or equivalent manner.
Said steel faces 26, 26 may be replaced with new ones whenever worn out without
the need of replacing the carrier 22 thus saving a great deal of expense in taking up
the wear on said carrier as may be needed from time to time.
To the upper end of the stem 24 is secured the hub 28 the forward end of which
is provided with a screw bolt 29 passing loosely through a slotted perforation 30 in
the upper end of the sliding plate 10 to which it is secured in an adjustable manner
by means of the nut 31 as shown in Figs. 1 and 2.
It will be seen that by the rotation of the shaft 4 and its cam or eccentric 5 a
reciprocating motion is imparted to the carrier 22 the sliding plate 10 and the
dabbing brush 20 secured to it.
The shaft 4 is longitudinally adjustable in its bearings in one end by means of the
regulating screw 32 screwed through the rear end of the bearing 3 and in the other
end by means of the stuffing gland 13 as shown in Figs. 2 and 4 for the purpose of
adjusting the tapering cam or eccentric relative to the carrier 22 and its steel
faces 26, 26, so as to compensate for any wear that takes place on said cam and cam
faces.
The space between the interior of the box bracket 2 and cover 6 in which the
cam 5 and carrier 22 are located serves as a reservoir to contain the lubricant that
is introduced into said chamber through a perforation 35 made in the upper portion
of the box bracket 2 or the cover 6 which perforation is normally closed by means of
a detachable screw 34 as shown in Figs. 1 and 3.
35 is another stop screw, screw through a perforation 36 in the back of the box
bracket 2 or any other part of the wells enclosing the oil space, about on a level
with the axis of the shaft 4 as shown in Fig. 3 so as to permit the oil space to be
filled to this level.
In charging the oil chamber the screws 34 and 35 are removed and the oil is
poured in at the opening 33 until it commences to flow out through the opening 36
when the said openings are closed by means of the respective screws 34 and 35 and
remain in such closed positions as long as the device is in use.
The lubricant being thus enclosed in the space between the box bracket 2 and its
cover 6 all unnecessary waste of it is prevented and the device thus rendered self
lubricating.
On the interior of the box bracket 2 and the cover 6 near their upper ends I have
cast in one piece with said respective parts the curved ribs 37, 37 which serve the
purpose of arresting the lubricant when splashed upwards during the upward stroke
of the carrier 22 and thus preventing leakage of the lubricant at the place where the
spindle 24 passes through the stuffing gland 25 as shown in Figs. 2 and 3.
On the interior of the respective parts 2 and 6 are also made the curved ribs 38,
38, which serve the purpose of conducting the lubricant that has been splashed
upwards against the rib 37, to the outside of said ribs and down again to the lower
part of the oil reservoir thus keeping the lubricant properly circulated therein and
causing a proper amount to be automatically fed to the moving parts within the
reservoir.

page_text: The peripheries of the box bracket 2 and cover 6 being only provided with the
intermediate packing 21 there will be a slight space or opening left between the
abutting edges of the ribs 38 as shown in Fig. 4 through which the lubricant that is
conducted from the top of the reservoir is gradually returned to the central and
lower part of the said reservoir.
Should such packing however not be sufficient to leave the desired space between
said ribs 38 38 for the purpose above mentioned I may prefer to make in said ribs
one or more recesses 39 adapted to conduct the lubricant from the upper to the lower
part of the structure.
It will thus be seen that the movable parts working within the space enclosed by
the box bracket and its cover are kept constantly lubricated and the escape of the
lubricant is entirely prevented thus rendering the apparatus noiseless, and economical
in its use on account of its self lubricating properties.
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. In a dabbing brush apparatus the box 2 and box cover 6 having the respective
bearing hubs 3 and 12 combined with the rotary cam shaft 4 journalled in said
bearings, said shaft having the tapering cam or eccentric 5 for actuating the
carrier 22, slide 10 and dabbing brush 20 and means substantially as described for
adjusting said shaft in a longitudinal direction as and for the purpose set forth.
2. In a dabbing brush apparatus the box 2 and box cover 6 and the cam shaft 4
journalled in bearings, in said parts and provided with the cam or eccentric 5 for
actuating the carrier and its sliding brush carrying plate combined with the ribs 37.
38, 38, on the interior of said box and cover substantially as and for the purpose set
forth.
3. In a dabbing apparatus the box 2 having bearing 3 and regulating screw 32
and the cover 6 having stuffing gland 13 combined with the rotary shaft 4 having
the cam or eccentric 5 and the carrier 22 having upwardly projecting spindle 24
guided in the upper part of said box and cover and provided with a stuffing gland 25
substantially as and for the purpose set forth.
T1000
HERBERT & Co.,
18, Buckingham Street, Strand, London, W.C., Agents to Applicant.