Improvements in Machines for Planing and Jointing Staves for Barrels and Casks and Analogous Operations.
Year: 1889

page_text: Improvements in Machines for Planing and Jointing Staves for
Barrels and Casks and Analogous Operations.
1. JOHANN ANTHON of Flensburg in the Empire of Germany, Engineer,.do hereby
declare the nature of my said invention and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement:-
The object of my invention is to effect improvements in the construction of machines
for planing and jointing staves for barrels and casks, and analogous operations.
And in order that my said invention may be particularly described and ascertained,
reference is hereby made to the accompanying drawings in which similar letters of
reference indicate corresponding parts.
Fig. 1 is a sectional elevation of a machine for planing the inner and outer surfaces
of a stave, or other piece of timber.
Fig. 1a is a section of the guides.
Fig. 2 is a sectional elevation of a machine for planing the edges of the stave for
making the joint.
Fig. 3 is a transverse section of the same.
Fig. 4 is a sectional elevation of a modification of the above mentioned apparatus.
Fig. 5 is a transverse section of the same.
Referring to Fig. 1, ee are standards supporting the apparatus.
8 $ are
chain wheels fitted with. endless chains k. The chains are fitted with tappets a a
which engage with the end of the stave and drive it forward while being planed.
is a guide frame, supported at one end by the pivot c and at the other end by
the connecting rod q and balanced lever p fitted with a counterbalance weight d.
ff are two counterbalance weights, fitted to the levers g g, which impart pressure
to the clamping plates 1 1. are two revolving carriers fitted with cutters for
planing the stave u as it travels between the revolving cutters.
The stave is driven forward by the revolution of the wheels 58 carrying the chains k
and tappets a a.
Fig. 1a shows the guide bars bb and the stave u in section.

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When the stave has been planed on both sides by the cutters ii (Fig. 1) it is
removed and placed in the machine shown in Figs. 2 and 3 to have its edges planed.
In this machine the stave is bent to the radius of the cask by the clamp pressing
downwards by the lever g and weight f, and driven forward by the chain k and
tappets a. Each tappet is provided with a spike which enters the end of the stave
and retains it in position. are revolving cutters, mounted on shafts, fitted with
belt pulleys h, the shafts being inclined to the radius of the cask.
Figs. 4 and 5 show another method of securing the stave u in position. m is a lover
pivotted at c to a movable frame, and fitted with a balance weight d² having a tendency
to lift the hooked end a².
This end is formed with a sharp hook, as shown, which retains the stave in
position.
The movable frame is driven by the toothed wheel working into a rack in the
movable frame. The stave u is caused to assume the required shape by means of the
lever m and clamp l.
The movable frame carrying the stave may be actuated by worm and wheel, screw
or other gear.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what- manner the same is to be performed, I declare that what I
claim is :-
:-
1. In the construction of machines for planing and jointing staves for barrels and
casks, and analogous operations, the combination of an endless chain k, carried by
wheels 8, and fitted with tappets a al 'sliding in guide bars the staves being held in
position and caused to travel between revolving cutters, substantially as hereinbefore
described and illustrated by Figs. 1, 1a, 2 and 3, of the drawings.
2. In the construction of machines for the purposes aforesaid, the combination
of the balanced lever m pivotted to a movable frame, carrying the staves forward
between revolving cutters; the frame being driven by a toothed wheel working
in a toothed rack, or by a worm and wheel, screw, or other gear, substantially as
hereinbefore described and illustrated by the drawings.
3. The general construction, combination, and arrangement of the several and
respective parts, together constituting my invention of improvements in machines
for planing and jointing staves for barrels and casks and analogous operations,
substantially as herein before described and illustrated by the drawings.
Dated 2on March 1009.
GEO. DOWNING,
8, Quality Court, London, W.C.,
Agent for Applicant.
GEO. DOWNING,
8, Quality Court, London, W.C.,
Agent for Applicant.