Iм- PROVEMENTS IN VICES, OR GRIPPING OR HOLDING APPARATUS
Year: 1856

page_text: LETTERS PATENT to Alexander Dalgety, of 76, Florence Road, Deptford,
in the County of Kent, Engineer, for the Invention of "IMPROVEMENTS
Sealed the 15th July 1856, and dated the 25th January 1856.
PROVISIONAL SPECIFICATION left by the said Alexander Dalgety at
the Office of the Commissioners of Patents, with his Petition, on the
25th January 1856.
I, ALEXANDER DALGETY, of 76, Florence Road, Deptford, in the County of
Kent, Engineer, do hereby declare the nature of the said Invention for "Iм-
PROVEMENTS IN VICES, OR GRIPPING OR HOLDING APPARATUS," to be as follows:-
This Invention relates to a certain adaptation which may be made to vices
of all kinds, plyers, and other similar gripping or holding instruments,
whereby a perfect grip or hold is obtained of either parallel or tapered objects
when placed vertically in the vice. The improvement consists in the appli-
cation of a rolling steel gripping piece fitted into one or both of the jaws of
a vice or plyers, such rolling piece adjusting itself to the article or object to
be gripped, whether tapered or parallel.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent, filed
by the said Alexander Dalgety in the Great Seal Patent Office on the
18th July 1856.
TO ALL TO WHOM THESE PRESENTS SHALL COME, I, ALEXANDER
DALGETY, of 76, Florence Road, Deptford, in the County of Kent, Engineer,
send greeting.
WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters
Patent, bearing date the Twenty-fifth day of January, in the year of our Lord
One thousand eight hundred and fifty-six, in the nineteenth year of Her
reign, did, for Herself, Her heirs and successors, give and grant unto me, the
said Alexander Dalgety, Her special licence that I, the said Alexander
Dalgety, my executors, administrators, and assigns, or such others as I, the
said Alexander Dalgety, my executors, administrators, and assigns, should
at any time agree with, and no others, from time to time and at all times
thereafter during the term therein expressed, should and lawfully might
make, use, exercise, and vend, within the United Kingdom of Great Britain
and Ireland, the Channel Islands; and Isle of Man, an Invention for "IM-
PROVEMENTS IN VICES, OR GRIPPING OR HOLDING APPARATUS," upon the condition
(amongst others) that I, the said Alexander Dalgety, my executors or admi-
nistrators, by an instrument in writing under my, or their, or one of their
hands and seals, should particularly describe and ascertain the nature of the
said Invention, and in what manner the same was to be performed, and cause
the same to be filed in the Great Seal Patent Office within six calendar
months next and immediately after the date of the said Letters Patent.
NOW KNOW YE, that I, the said Alexander Dalgety, do hereby declare
the nature of my said Invention, and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement, reference being had to the Drawings hereunto annexed, and to the
letters and figures marked thereon (that is to say):-
'
My Invention relates to a certain adaptation which may be made to vices
of all kinds, plyers, and all other holding or gripping instruments, whereby a
perfect gripe or hold is obtained of either parallel or tapered objects when
placed vertically in the vice, &c., &c. The improvement consists in the
application of a rolling gripping piece fitted into one or both of the jaws of a
vice or other gripping or holding instrument, such rolling piece adjusting itsel
to the article or object to be gripped; whether tapered or parallel.
In order, however, that my Invention may be fully understood, I wil

page_text: proceed to describe it more particularly by the aid of the accompanying
Drawings..
Fig.1.représents a side view ofra vice off the ordinary make(closed)
without my improvement attached.
Fig: 2. represents a side view of cai vicenofs the ordinary,make (closed) with
my improvement; the rolling and self-adjusting piece. A; "attached; which
"rolling and: self-adjusting piece. A maybex prevented from falling or
sliding out by a pin: "B or any other suitable method.
...Fig. 3 represents aside view of acvicecof the jordinary make (opened)
without.mytiinprovement attached, wherein the block His merely held by
the two lower edges of.the jaws.
:
Fig. 4. represents a side view of a vice of the ordinary make (opened) with
my improvement,attached; wherein the block His perfectly gripped. by
the "rolling and self-adjusting piece 'A'" having accommodated itself to
the form....
Fig. 5. represents a side view of..part of a vice of the ordinary make, with
the "rolling and self-adjusting piece A'" removed, showing the hollow or
cylindrical cavity. "C" throughout, in which the "rolling and self-adjusting
piece "A" moves.
Fig. 6 represents an end view of the "rolling and self-adjusting piece *A*"
(Fig. 2 & 4) removed from. the hollow. or cylindrical cavity "C" (Fig. 5).
Fig. 7 represents a longitudinal view of part of a vice of the ordinary make,
showing the hollow-or cylindrical-cavity: "C" (Fig. 5)-throughout, in which
the "rolling and self-adjusting piece "A" (Figs. 2, 4, & 6) moves.
Fig. 8 represents a longitudinal view of the "rolling and self-adjusting
piece A (Figs. 2, 4, & 6) removed from the hollow or cylindrical cavity
"C" (Figs. 5 & 7).
Fig. 9 represents a side view of a vice of the ordinary make (closed) with
my improvement, the "rolling and self-adjusting piece 'A'" attached, the
only variation consisting in having the positions of the hollow or cylindrical
cavity "C" (Figs. 5 & 7) and the "rolling and self-adjusting piece 'A'"
(Figs. 2, 4, 6, & 8) reversed.
Fig. 10 represents a side view of part of a vice of the ordinary make,
showing the solid cylinder "C" (Fig. 9) on which the "rolling and self-
adjusting piece 'A'" (Figs. 9 & 11) moves.
Fig. 11 represents an end view of the "rolling and self-adjusting piece
'A" (Fig. 9) removed from the solid cylinder "C" (Figs. 10).
Fig. 12 represents a longitudinal view of the "rolling and self-adjusting
Ai
በ
111

page_text: It will thus be observed that the "rolling and self-adjusting piece 'A'"
(Figs. 2, 4, 6, &c.) takes a perfect and uninterrupted bearing throughout its
entire length, being sustained at all necessary points by a solid and immove-
able abutment, so that whatever part of the jaws of the vice or other holding
instrument be subjected to the strain; the "rolling and self-adjusting piece
'A" (Figs. 2, 4, 6, &c.) cannot possibly be displaced or otherwise injured.
Having now fully described the nature of my said Invention, and the mode
in which the same is to be performed, I would have it clearly understood that
I do not confine myself to the precise details herein-before described, as the
same might be varied without departing from the general principle of my said
improvement; but what I claim as of my Invention is, the application to the
jaw or jaws of a vice or vices, and all other holding or gripping instruments,
of a self-adjusting and moveable piece of the form and principle already
described.
In witness whereof, I, the said Alexander Dalgety, have hereunto set
my hand and seal, the Fifteenth day of July, in the year of our Lord
One thousand eight hundred and fifty-six.
A. DALGETY. (L.S.)
Witness,
GEO. H. SHOVE,
Hatcham Park Road, New Cross, Deptford.