Improvements in Buffers, Picking Bands, Pickers, and Connections for Looms for Weaving.
Year: 1893

page_text: Date of Application, 4th Jan., 1893
Complete Specification Left, 4th Oct., 1893-Accepted, 25th Nov., 1893
PROVISIONAL SPECIFICATION.
Improvements in Buffers, Picking Bands, Pickers, and Connections
for Looms for Weaving.
I, ISAAC GRINDROD of 240 Entwistle Road Rochdale in the County of
Lancaster Watch Maker do hereby declare the nature of this invention to be as
follows:-
My invention consists of an improved spring buffer and picking band, the
buffer having a spiral oval or flat spring, which is fixed on the spindle, at the
delivery end of shuttle box, so that the force of the picker is broken or reduced
when comming in contact with the buffer. The ends of the buffer are made of
steel, with loose leather washer face which can be removed when necessary.
The picking band consists of a thin strip of steel, of the required length, fixed
to the picking stick with leather, loop shaped, and bolted to the strip of steel. The
picker has a solid top, with two peices of leather attached on the top edge, and so
arranged that the picker and end of steel band can receive a bolt. The steel
band can if required be put round the end of picking stick, dispencing with the
leather loop and secured with a small bolt.
Dated this 3rd day of January 1803
ISAAC GRINDROD.
COMPLETE SPECIFICATION.
Improvements in Buffers, Picking Bands, Pickers, and Connections
for Looms for Weaving.
I, ISAAC GRINDROD of 240 Entwistle Road Rochdale in the County of
Lancaster Watch Maker 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 :-
•
My invention relates to metal buffers and steel picking bands for looms whilst in
motion, the object being to reduce the force of the picker on the stud or filbow and
give a more equal delivery of the shuttle, also dispensing with the check strap,
thus giving better access to the shuttle box. The face of the picker is also
greatly preserved. The steel picking band which works in connection with the
buffer as the advantage of resisting the force brought to bear, theirby dispensing
with the great cost of leather now used.
The buffer can be made in two forms one with a flat or volute spring with the
smallest coil extended to form a tube so as to fit a hole in the center of a solid
boss. The said tube being fastened to the boss by a stud which is revited and
expanded inside the tube to receive the end of spindle. The outer end of the
stud projecting to form a pivot or pap to fit into the stud or filbow. On the
outside coil of the spring the edge is turned over to form a ridge to fit a grooved
boss and is fastened to the boss by the outer edge overlapping the ridge or the
buffer can also be made by the application of two springs a large and a small oue
working in conjunction. The small spring fixed inside the circumferance of the
large outside spring. The inside spring is supported on collars. The outside
spring is secured similar to the outside coil of the volute spring on two similar
bosses. The stud or pap is fixed similar to the one in the volute spring buffer.
The picking band is composed of a thin strip of sheet steel the ends of which
have a square hole punched through the required size to receive the bolt.
The ends of said steel band as an electro deposit of brass or other suitable

page_text: metal for strengthening purposes so that the bolt will not tear the band at its
connections.
There are two methods of applying the picking band one by forming a leather
loop at the picking stick end and secureing the same by a small bolt.
The picker
end is secured by attaching two small pieces of leather to the top portion of the
picker at right angles securely fastened by means of wire staples or revits to the
picker.
A small bolt passes through the projecting parts of leather secures the bottom
end of the picking band or can be fitted with one piece of leather doubled at its
center with one staple or revit and small cup plate to prevent the staple-cutting
.through the leather. The other arrangement is to have a long strip of steel band
coiled round the picking stick and fastened theirto by means of a pin similar to the
present mode of attaching leather bands.
In the accompanying drawings Fig. A represents an enlarged drawing of buffer
with volute spring attached. Fig. a is the pivot or pap. Fig. A 2 is the solid
boss which keeps the spring together with the pivot or pap, Fig. a. in
position. Fig. b. is the volute spring. Fig. A 3 is the boss which secures the outer
edge of the spring which receives the force of the picker. Fig. C is the spindle
in position which carries the picker and buffer. Fig. A3 shews a hole in center
which receives the spindle. Fig. Al is a section shewing the groove to receive and
hold the springs at Fig. a. pivot or pap Fig. c spindle and center hole. Fig. B
represents wire spring buffer. Fig. B2 shews each end and springs attached
Fig. e shews large coil spring Fig. f shews small inside coil spring. Fig. a shews
the pivot or pap which projects to fit the stud or filbow. Fig. B1 shews devided
section how the springs e and fare fixed. Fig. B2 section of boss ends. Fig. C
shews the attachment of steel picking band and h. h 1 to picker at g, the leather
loop fastened by revit or staple and bolt, and also leather loop at J for receiving
picking stick. Fig. C1 shews end view of Fig. C with spindle c through picker.
Fig. D shews a double leather attachment with small corner plates fastened with
double revits or staples into the picker, secured to the steel band at K with a small
bolt. Fig. D1 end view of Fig. D shewing Fig. h applied to picking stick.
Fig. D2 section of D1. The construction and application of the aforesaid buffers
and steel picking bands as described and shewn in the drawings is for more
effectually and at greatly reduced cost, take the place of the present appliances of
leather &c. now used.
Having now particularly described the nature of the said invention and in what
manner the same is to be performed, 1 declare that what I claim is
In looms for weaveing the application of metal spring buffers and steel picking
bands with leather loops attached to pickers and picking stick as herein described
and shewn in the drawings for the purposes set forth.
October 2nd 1893.
ISAAC GRINDROD.