Improvements in Wood-planing Machines.
Year: 1889

page_text: Date of Application, 18th July, 1889
Complete Specification Left, 17th Apr., 1890-Accepted, 24th May, 1890
PROVISIONAL SPECIFICATION.
Improvements in Wood-planing Machines.
I, GEORGE HOPKINS of 152 and 154 St. John Street, Clerkenwell, in the County
of Middlesex, Engineer and Millwright, do hereby declare the nature of this invention
to be as follows:-
The invention has for its object improvements in wood planing machines, and
relates to the combination therewith of an improved antomatic feed apparatus,
whereby wood of equal or unequal thickness or of wedge form, can be readily and
securely fed past the rotary cutters.
In carrying my invention into effect, I employ a pair of feed rollers, placed one on
each side of the centre line of the cutters, and I monnt the said feed rollers in the
ends of arms fixed to rock shafts, to each of which a weighted lever is fixed. By
these means each of such feed rollers is kept up to its work, and they can, when
desired, be raised for the introduction of work and be turned completely over to
enable access to be had to the rotary cutter.
On one of these rock shafts is mounted a pulley, which receives motion by a gut
or band from a pulley receiving motion from any suitable moving part of the machine.
Fixed to, or cast on, the boss of said pulley, is a toothed pinion, which, by suitable
gearing, gives motion to one of said feed rollers, and motion is given from said feed
roller to the other feed roller by an intermediate pinion gearing with a pinion on each
of said feed rollers. And in order that said feed rollers may be capable of inde-
pendent rising and falling motion, and yet of still remaining in gear with each other,
carry the intermediate pinion in the ends of a pair of armis, which are mounted
freely on the axles of the feed rollers. I also, to enable the said feed rollers to be
thrown completely over to obtain access to the rotary cutter, form one of said arms
with capability of being readily connected with, and disconnected from, the axle of
the feed roller upon which it is mounted, thereby enabling the feed gearing to be
disconnected and connected at pleasure.
In some cases I mount a roller in the table of the machine under each feed
roller, which roller projects slightly above the surface of the table as is well
understood.
My invention is applicable to planing machines of various descriptions, and having
either a fixed or a rising and falling table.
1.1.1 TOL 1000
$
COMPLETE SPECIFICATION.
Improvements in Wood-planing Machines.
I, GEORGE HOPKINS of 152 and 154 St. John Street, Clerkenwell in the County
of Middlesex, Engineer and Millwright 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 :-
The invention has for its object improvements in wood planing machines and relates
to the combination therewith of an improved automatic feed apparatus whereby wood
of equal or unequal thickness or of wedge form can be readily and securely fed past
the rotary cutters.
In carrying my invention into effect I employ a pair of feed rollers placed one on
each side of the centre line of the cutters and I mount the said feed rollers in the ends

page_text: of arms fixed to rock shafts to each of which a weighted lever is fixed. By these
means each of such feed, rollers is kept up to its work and they can when desired be
raised for the introduction of work and be turned completely over to enable access to
be had to the rotary cutter.
On one of these rock shafts, is mounted a pulley which receives motion by a
gut or band from a pulley, receiving, motion from any suitable moving part of the
machine.
Fixed to or cast on the boss of said pulley is a toothed pinion which by suitable
gearing gives motion to one of said feed rollers and motion is given from said. feed
roller to the other feed roller by an intermediate pinion gearing with a pinion-on each
of said feed rollers. And in order that said feed rollers may be capable of inde-
pendent rising and falling motion and yet of still remaining in gear with each other.
I carry the intermediate pinion in the ends of a pair of arms which are mounted,
freely on the axles of the feed rollers. I also to enable the said feed rollers to be
thrown completely over to obtain access to the rotary cutter form one of said arms
with capability of being readily connected with and disconnected from the axle of
the feed roller upon which it is mounted thereby enabling the feed gearing to be dis.
connected and connected at pleasure.
In some cases I mount a roller in the table of the machine under each feed
roller which roller projects slightly above the surface of the table. as is well
understood.
And in order that my said invention may be more clearly understood and readily
carried into effect I will proceed aided by the accompanying drawings more fully to
describe the same.
DESCRIPTION OF THE DRAWINGS.
Figure 1 is a side elevation, Figure 2 an end elevation and Figure 3 a plan of a
wood planing machine fitted with my improvements, Figure 4 is a plan and Figure 5
is a longitudinal section of parts of the same drawn to a larger scale.
In all the Figures like parts are indicated by similar letters of reference. a is the
frame of the machine, is the table which is made in two parts and is capable of
being slidden to and fro on the frame by means of screws c. c. and of being. fixed in
the required position thereon by means of binding screws d. d. as is well understood.
In carrying my invention into effect I employ a pair of feed rollers e. e. placed one
on each side of the centre line of the rotary cutter fand Imount the said feed rollers.
in the ends of arms g¹ g¹ fixed to rock shafts g g to each of which a weighted
lever g² is fixed.
By these means each of such feed rollers e. e. is kept up to its work and they
can when desired be raised for the introduction of work and, be, completely turned
over to enable access to be had to the rotary cutter.
On one of these rock shafts g is mounted a pulley which receives motion by
a gut or band i from a pulley mounted on, a stud and fixed to a pulley which
receives motion by a gut or band k from a pulley f fixed on the shaft f1 of the
rotary cutter f Motion may however be communicated to the pulley by other
suitable arrangements.
Fixed to or cast on the boss of said. pulley is a toothed pinion ¹ which by
means of toothed pinions m² m² mounted on the stud or axis, m and a toothed
pinion fixed on the axis of one of the feed rollers e gives motion to such feed
roller e and motion is given from said feed roller e to the other feed roller
by an intermediate pinion n gearing into the toothed pinions el on the feed
rollers e.
And in order that said feed rollers e may be capable of independent rising and
falling motion and yet of still remaining in gear with each other I carry the inter-
mediate pinion n in the ends of a pair of arms or links o. p which are mounted
freely on the axles of the feed rollers e.
I also to enable the said feed rollers e to he turned completely over as shown by
dotted lines in Figure 5 for the purpose of obtaining access to the rotary cutter f;

page_text: form one of said arms, the arm p, with capability of ready connection with and dis-
connection from the axle of the feed roller e upon which it is mounted thereby
enabling the feed gearing to be disconnected and connected at pleasure. A con-
venient arrangement for carrying this into effect is shown in the drawing in which
the arm or link p is formed of two flat links or arms bored at one end to fit the axle
of the intermediate pinion n and formed with half bearings or hooks pl at their other
ends (see Figure 5) to fit over and enclose the axle of one of the feed rollers e
between them, such flat links or arins are capable of being held firmiy together
by means of a binding screw p² entering the holes p³ in such arms
links p.
or
In some cases, as shown at Figure 5, I mount a roller g in the table of the
machine under each feed roller e which roller projects slightly above the surface
of the table as is well understood.
My invention is applicable to planing machines of various descriptions and having
either a fixed or a rising and falling table.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is :-
1. In wood planing machines the improved automatic feed apparatus constructed
and operated substantially as berein shown and described.
2. In wood planing machines the employment of a pair of feed rollers mounted one
on each side of the rotary cutter in the ends of weighted arms, said feed rollers being
driven by suitable gearing and connected together in such manner that they are capable
of independent rising and falling motion and yet of remaining in gear with each other
whilst they are also capable of ready disconnection from each other substantially as
herein shown and described and for the purpose stated.
Dated Apr 11
GEORGE HOPKINS,
By Harris & Mills,
23, Southampton Buildings, London, Agents.