Improvements in and connected with Shuttle and Picker Checking- Mechanism for Check Looms.
Year: 1892

page_text: Date of Application, 4th July, 1892
Complete Specification Left. 16th Dec., 1392-Accepted, 29th Apr., 1893
PROVISIONAL SPECIFICATION.
Improvements in and connected with Shuttle and Picker Checking-
Mechanism for Check Looms.
I MOSES HUNTER MCBRIDE Greenfield Factory Shettleston near Glasgow,.
Manufacturer do hereby declare the nature of this invention to be as follows
:-
It consists of a short lever, made of cast iron, or it may be of maleable iron,.
wood, or other material, hanging upon a stud, which is fixed to shuttle box frame.
It may be worked reversed, that is worked upside down. The lever is about.
13 inches long x 24" x 14", but may be any more suitable sizes. The lever is fixed
by means of stud so as to hang at end of boxes. It has a recess at about the middle.
into which the driver is fitted & into which it retires, when not picking. The
recess is cushioned by india rubber surrounded by leather, or otherwise cushioned..
The distance to which the lever travels at the bottom (or at the top if reversed)
is regulated and checked by a leather strap fixed to travelling end of lever & also.
to breastbeam of loom. The top & bottom of the recess guide the driver as desired
into the boxes. The parts of lever, that slightly project beyond the face of the.
driver, guard the driver from being caught by the shuttles as they shift past it.
The shuttles, when coming into the boxes, strike the driver, which, being cushioned
behind, acts as a shuttle stopper. The lever is then made to retire by means of a
spring &, taking the driver along with it, the boxes may be shifted up or down as.
desired, with perfect freedom, & without interruption.
F T..1.. 1005
MOSES HUNTER MCBRIDE.
COMPLETE SPECIFICATION.
Improvements in and connected with Shuttle and Picker Checking
Mechanism for Check Looms.
I MOSES HUNTER MCBRIDE Greenfield Factory, Shettleston, near Glasgow
Manufacturer, 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 shuttle and picker checking mechanism for check
looms.
And in order that my said invention may be properly understood I have hereunto.
appended an explanatory sheet of drawings, whereon
Fig. 1 is a side view of the mechanism.
Fig. 2 shows a modification of part of the mechanism.
Referring to the drawings:-
:-
The mechanism consists of a lever A, which may be made of cast iron, malleable
iron, wood or a like suitable material and is suspended from a stud B fitted to a.
bracket B¹ secured to the shuttle box frame X by means of a stud 133 which
projects through a slot B2 in the bracket. The slot B2 is for the purpose of
enabling the lever and bracket to be raised and lowered as desired in order to effect.
a proper adjustment. The bracket has a flange or projection B at right angles in
which is a slot (see dotted lines). Secured to the flange by means of a bolt B³
which passes through the slot and is adjustable therein is a plate (or spiral).
spring E which normally tends to draw or force the lever backward. The
strap G at the lower end of the lever, permits such backward movement.
The lever which is preferably about 13" long, by 2 broad, by 11″ thick,
although it may be of any other suitable size, is made, at or about its centre, with
Price S

page_text: a recess N.
In the recess is fitted a piston-cushion C formed of a metal plate. To
the piston is connected a rod or spindle C' which passes through a hole in the
lever A and projects out at its back where it is pressed on by a spring D. The
spring which is screwed, at its upper end, to the top of the lever, may, by means of
the screw, be tightened up or slackened so as to regulate the pressure on the
spindle C¹.
The amount of swing of the lever A is regulated and checked by the leather
strap G which is fitted, at one end, to the lever and at its other end to the breast
beam of the loom.
The recess N, guides the driver, as desired, into the boxes O, and the spring
piston C cushion the driver when it is in the recess and is being struck by the
shuttles. The projecting parts A' of the lever guard the driver from being caught
by the shuttles as they shift past it.
The lever is made with a bent horn or projection F and bearing against this
horn is the lower end of the spring E, which, as before stated, draws back the lever
after each forward swing. To prevent the lever, at the forward movement, striking
the box shelves a piece of wood F is secured in the end of the horn F by means
of a bolt F which passes through and is adjustable in the slot F³. The wood F,
strikes against the end of the frame and prevents the box shelves O being struck.
The action of the apparatus is as follows:-
:-
The shuttles, when they come into the boxes, strike the driver, which bears
against the spring cushion C, and in this manner said driver acts as a gentle
shuttle stopper. The lever A is now retiring, by the action of the spring E
behind, and as it takes the driver along with it the boxes can be shifted up and
down as desired with perfect freedom and without interruption.
If desired the strap G may be dispensed with and the forward and backward
movement of the lever be produced by means of a rod arrangement as shown at
Fig. 2. The arrangement consists of two iron rods H, H which are pinned
together at H2. The rod H, at one end, passes through guides K' made on a
bracket K secured to the lathe I of the machine, and, at its other end, it passes
through a guide P on the lever A. The rod has two adjustable collars Q, Q¹ on
it for regulating the distance of travel of the lever and the time of its movements.
The rod His pivotted by means of a pin R to the breast beam M. With this
arrangement when the lathe moves backward and forward it tranşınits the same
motion to the rods and through them to the lever A.
When the rods H, Hare used the spring E is used for pressing the lever inwards
instead of outwards.
Instead of having the spring cushion C, C, D, a
inserted in the recess N for cushioning the driver.
by leather.
piece of india rubber may be
The rubber may be surrounded
The lever may be reversed i.e. it may be hinged or pivotted at the bottom.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
1. The general arrangement and combination of parts of the shuttle and picker
checking mechanism, substantially as herein before described and shown at Fig. 1
of the drawings annexed.
2. The lever A with recess N, substantially as hereinbefore set forth.
3. The combination with the recessed lever A, of a cushion or cushioning device
fitted within the recess, substantially as hereinbefore set forth.
4. The combination with the lever A of the spring E or its equivalent, substan-
tially as and for the purpose hereinbefore set forth.
Dated this 24th day of March 1902.
H. D. FITZPATRICK,
70, Wellington Street, Glasgow, Agent.