Improvements in and applicable to Wood Planing Machines.
Year: 1895

page_text: Date of Application, 30th Sept., 1895
Complete Carnification
LA 26th Mon 4006 Accented 2nd May 1896
PROVISIONAL SPECIFICATION.
Improvements in and applicable to Wood Planing Machines..
I JOSEPH BRADBURY of Brook Iron Works Charles Street Manchester in the
County of Lancaster Engineer do hereby declare the nature of this invention to be
as follows:-
This invention has for its object the application to wood planing machines of an
apparatus which shall act as a guard to prevent the workman being injured with
the knives. In carrying out my invention I mount on the side of the planing
machine table by means of a stud a lever arm in such a manner as to be freely
moved on such stud when required. At or near the centre of the length of this
lever arm 1 depend a slotted leg which slotted leg is designed to be secured to the
frame of the planing machine by means of a wing bolt passing through such slot
into the side frame. The extremity of the lever arm 1 terminate at a point over
the centre of the knives in a boss through which boss I make a hole at right angles.
to the lever arm designed to receive a bar and secured to such bar and depending
from it at one end I arrange a bracket of sufficient length and width so as to more.
than cover the knives. It will now be seen that before the workman starts the
machine he will adjust the lever arm by means of the slotted leg and wing bolt
hereinbefore mentioned to the height above the table demanded by the work to be
done and will slide the bar carrying the bracket so far through the hole in the
extremity of the lever arm as to cause the bracket to cover the knives when upon
proceeding to pass the wood to be planed through the machine he will find it
impossible to injure himself with the knives. When using the machine for planing
big work for which the guard is not required the bracket may be withdrawn and
the slotted leg released from the frame when the lever arm may be revolved on its.
stud in such a manner as to hang entirely out of the way of the workman.
Dated this 28th day of September 1895.
•
COMPLETE SPECIFICATION.
Improvements in and applicable to Wood Planing Machines.
I JOSEPH BRADBURY of Brook Iron Works Charles Street Manchester in the
County of Lancaster Engineer 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 has for its object the application to wood planing machines of an.
apparatus which shall act as a guard to prevent the workman being injured with.
the knives of the machine to which it is attached.
And in order that my invention may be more readily understood and carried into
effect I have hereunto annexed a sheet of drawings illustrative of the same which
I will now proceed to describe with the assistance of the various figs. and letters
of reference marked thereon, like letters are used in both views to denote like:
parts.

page_text: Fig. 1. is a side elevation and Fig. 2. is a plan of so much of a planing machine
as is necessary to shew my improved apparatus with my improved apparatus applied
thereto.
In carrying out my invention I mount on the side of the planing machine table A
by means of the stud B a lever arm C in such a manner as to be freely moved on
such stud B when required. At or near the centre of the length of this lever
arm C I depend a slotted leg D which slotted leg D is designed to be secured to
the frame A of the planing machine by means of the wing bolt E passing through
the slot F into the frame A. The extremity of the lever arm C I terminate at a
point over the centre of the knives mounted upon the shaft G in a boss H through
which boss H I make a hole at right angles to the lever arm C designed to receive
a bar I and secured to such bar I and depending from it I arrange a bracket K of
sufficient length and width so as to more than cover the knives. The extension L
of the lever arm C is designed to prevent the bracket K being turned too far upon
the bar I.
It will now be seen that before the workman starts the machine he will adjust
the lever arm.C by means of the slotted leg D and wing bolt E to the height
above the table demanded by the thickness of the wood to be plained and will slide
the bar I carrying the bracket K so far through the hole in the extremity of the
lever arm C as to cause the bracket K to cover the knives when upon proceeding
to pass the wood to be plained through the machine he will find it impossible to
injure himself with the knives. When using the machine for planing big work for
which the guard is not required the bracket may be withdrawn and the slotted
leg D released from the frame when the lever arm C may be revolved upon the
stud B in such a manner as to bang entirely out of the way of the workman.
Having now particularly described and ascertained the nature of my said inven-
tion together with the best method with which I am acquainted for carrying the
same into effect I wish it to be understood that I do not confine myself to the
precise details relative proportions or dimensions of the various parts as hereinbefore
described and illustrated on the accompanying drawing as the same may be
considerably varied but what I claim is.
a guard for
The combination and arrangement of the various parts constituting
wood planing machines substantially as hereinbefore described and illustrated on
the accompanying drawing.
Dated this 25th day of March 1896.