Improvements in and connected with the Guides for the Stems of Stamp Mills or for like purposes.
Year: 1898

page_text: Date of Application, 6th Oct., 1893-Accepted, 13th May, 1899
DI BUITICALION.
Improvements in and connected with the Guides for the Stems of
Stamp Mills or for like purposes.
A communication from JoHN THOMAS RICHARDS, of Mysore Gold Mining Company,
Limited, Mysore, India, Carpenter.
We, THE SANDYCROFT FOUNDRY AND ENGINE WORKS COMPANY, LIMITED, of
Sandycroft, Hawarden, Flintshire, 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:-
According to this invention the guide blocks are made of hard wood bored in
direction of the grain, the wood outside the bearing surface being preferably
rivetted or otherwise secured from splitting. Each side or half of said bearing
block is provided with a projection or recess with which engages a portion of the
guide beam so as to prevent the guide blocks from rising or falling with the stem.
The guide beam carrying said blocks is made in two parts held together by bolts,
the parts being so arranged that either of said beams and guide blocks can be
removed without disturbing the stamp stems.
As the guide blocks wear they are taken out and planed on the joint and pack-
ing plates are inserted behind and between them and the guide beam, and this
adjustment can continue to be made until the guide blocks are entirely worn out
and without in any way affecting the position of the beams or the length of the
bolts required to keep them in position.
To clearly explain the invention reference is made to the accompanying draw-
ings in which:-
Fig. 1 is a plan view of the guide beams when fitted according to this invention.
Fig. 2 is an elevation of same, and
Fig. 3 is an elevation with one of the guide beams removed.
Fig. 4 is a plan of half a hard wood bush.
Fig. 5 is a rear elevation of same.
Fig. 6 is a side elevation of same.
Figs. 7 to 10 represent the packing pieces which may be used separately or
together as found desirable.
In said drawings A represents the guide beams; B the bolts by which the beams
are held together; C the side straps through which the bolts pass; D the hard
wood bushes provided with projecting pieces E which engage with recesses in the
guide beams and prevent vertical movement; F and G the packing pieces used
to adjust the parts D as they wear away; and H a rivet passed through the back
of bush D to neutralize as far as possible any tendency of the block to split.
Under certain circumstances soft or other metal may be substituted for the hard
wood for forming the bushes.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed, we declare that what
we claim is:-
-
1. The improvements in the guides for the stems of stamp
purposes consisting of making such guides in two parts from
bored in direction of the grain, substantially as set forth.
mills or for like
hard wood blocks

page_text: 2. The improvements in the guides for the stems of stamp mills or for like
purposes consisting of making such guides in two parts from hard wood, bored in
direction of the grain, or metal and forming upon such parts projections or recesses
adapted to engage with the guide beam, substantially as set forth.
3. The improvements in the guides for the stems of stamp mills or for like
purposes, substantially as herein before described and as illustrated in the accom-
panying drawings.
Dotad this fth day of Octahan 1900
PHILIP M. JUSTICE,
55 & 56, Chancery Lane, London, Chartered Patent Agent,
For the Applicants.