Improvements in Wood-planing Machines.
Year: 1899

page_text: Improvements in Wood-planing Machines.
We, HARRY BENJAMIN STONE, Cabinet Maker, of 85, High Street, and SYDNEY
CHEELD, Engineer, of Waterside Iron Works, both of Chesham, in the County
of Bucks, do hereby declare the nature of this invention to be as follows:-
This invention relates to improvements in wood-planing machines of the kind
in which the surface of the wood to be planed is subjected to the action of
cutters upon a rapidly rotating shaft or spindle suitably mounted in connexion
with a horizontal planing table. When one surface of a board, for example,
is so planed it may be turned over and the opposite side similarly planed; but
it is obvious that in such a machine any inequality in the thickness of the
unplaned board is maintained in the finished board.
The object of this invention is to provide simple and effectual means whereby
the board, for example, under treatment shall be finished of a more or less even
thickness throughout; and for this purpose we provide one or more vertically
adjustable angle plates or other suitable guiding surfaces mounted on the table
or frame of the machine in such manner that the said guiding surfaces may
be maintained parallel to the plane of the working table planing boards of even
thickness; or at any desired angle thereto, according to requirements. The
portion of the table when in front of the planing spindle is adapted to be lowered
in order to allow space for the unfinished board to pass under the before-
mentioned guiding surface, and the upper surface of the said board is kept against
the said guiding surface by suitable springs or other devices.
It will be understood that the beforementioned guiding surface or surfaces
form an abutment or support for the upper surface of the board as its lower
surface is being acted upon by the planing spindle, and that if the said guiding
surface is maintained parallel to the planing spindle, the finished board must of
necessity be of even thickness throughout whether it has been planed on one
or both sides.
Dated this with day of September 1899.
Παριον
We, HARRY BENJAMIN STONE, Cabinet Maker, of 85, High Street, and SYDNEY
CHEELD, Engineer, of Waterside Iron Works, both of Chesham, in the County
D71

page_text: of Bucks, 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 improvements in wood-planing machines of the kind
in which the surface of the wood to be planed is subjected to the action of
cutters mounted on a rapidly rotating shaft or spindle connected with a hori-
zontal planing table. When one side of a board, for example has been so planed
the board may be turned over, and the opposite side similarly planed; but it
is obvious that in such a machine as usually constructed any inequality in the
thickness of the unplaned board is maintained more or less in the finished
board.
The object of our present invention is to provide simple and effectual means
whereby the board, or other piece of wood under treatment shall be finished
of a more even thickness throughout than heretofore; and for this purpose we
provide one or more vertically adjustable angle plates or other suitable guiding
surface mounted on the table or frame of the machine in such manner that the
said guiding surface may be maintained parallel to the plane of the working
table when planing pieces of wood of even thickness or at any desired angle
thereto, according to requirements. The portion of the table in front of the
planing spindle is adapted to be lowered in order to allow space for the unfinished
piece of wood to pass under the beforementioned guiding surface, and the upper
surface of the said piece of wood is kept against the said guiding surface by
suitable springs or other devices.
And in order that our said invention may be fully understood we will now pro-
ceed to describe the same with the aid of the accompanying sheet of drawings
in which Figure 1 is an end view of part of a plauing machine with our invention
applied thereto, and Figure 2 a longitudinal sectional elevation taken at right
angles to Figure 1.
A represents the part of the table of the planing machine which lies behind
the rotating cutter block B, and A¹ the part of the table lying in front of the
said cutter block, and which part A is adjustable vertically in any suitable
or convenient manner. C is an angle plate or bracket bolted to the part A¹
of the machine table, and provided with vertical dovetail or other suitable
guides adapted to receive and guide the angle plate 1), a screw nut on the back
of which projects into the opening E of the bracket C and has passing through
it the traversing screw F, by means of which the angle plate 1) can be raised
or lowered at pleasure to suit various thicknesses of boards or other pieces of
wood that have to be planed. G shows the end of a piece of board in position
below the guiding surface of the angle plate 1 in readiness to be pushed for-
ward so as to be acted upon by the rotating cutters B, being pressed up against
the angle plate by the spring H, which may be conveniently mounted on
a block I fitted into the transverse groove in the table ordinarily employed for
the guidance and fixing of the usual fence or lateral guide, or the said spring
may be secured directly to the table A¹.
It will be obvious that instead of fixing the angle plate or bracket C, sup-
porting the guiding angle plate D, to the table A¹ it may be fixed to the side
frame of other suitable part of the machine.
It will be understood that the above described guiding angle plate 1 forms
an abutment or support for the upper surface of the board as the lower surface
of the latter is being acted upon by the planing cutters B, and that if the under
or guiding surface of the said angle plate 1) is maintained parallel to the planing
cutter B the finished board must of necessity be of even thickness throughout
whether it has been planed on one or both sides. It will be obvious that the above
described improvements are as applicable when the machine is employed for the
production of moulding as when employed for planing boards or other similar
pieces of wood.

page_text: 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:-
-
First. In a wood-planing machine the employment of a guide plate adapted
to serve as an abutment or support for the upper surface of the piece of wood
while the under surface of such piece of wood is being planed substantially as
described.
Second. In a wood-planing machine the combination with the table, frame or
other suitable part of such machine of a guide plate adapted to serve as an abut-
ment or support for the upper surface of the piece of wood while the under surface
of such piece of wood is being planed and a spring to press the said piece of
wood against the said guide plate, abutment or support, substantially as described.
Third. In a wood planing machine the combination with a vertically adjust-
able table of a guide plate, abutment, or support for the upper surface of the
piece of wood and a spring to press the said piece of wood against the said guide
plate abutment or support, substantially as described.
1000
H. B. STONE,
S. CHEELD,
Per W. H. Beck,
115, Cannon Street, London, E.C., Agent.