Improvements in Scaffolding.
Year: 1890

page_text: Date of Application, 18th Nov., 1890
Complete Specification Left, 19th Feb., 1891-Accepted, 21st Mar.,
1891
PROVISIONAL SPECIFICATION.
Improvements in Scaffolding.
We, HERMANN HEILAND and JULIUS KAUFMANN, both of Charlottenburg,
Germany, Engineers, do hereby declare the nature of this invention to be as
follows:-
This invention relates to new means for enabling scaffolding for plastering, painting
&c. houses and the like to be erected in a speedy, safe and cheap manner without
injury to the building to which it is applied. The several parts of the scaffolding
are constructed and arranged in such a manner that they are adapted for use with
different buildings and can thus be united to form a whole without loss of time and
money.
In the accompanying drawings
Figs. 1 and 11 illustrate respectively in front elevation and in transverse section
scaffolding according to this invention.
Figs. III to XI inclusive illustrate details.
The ladders instead of being attached as heretofore, to a number of baulks or
beams that project out through windows in the roof, or through the roofing or to
hooks driven into the building are according to this invention attached to one or
more window struts A. (Figs. V, IX, and X). These struts A consist of a pipe A'
within which can work a screw bolt B fitted with a nut B', by means of which the
part of the bolt extending outside the pipe can be lengthened or shortened at will.
By means of the strut A, a slotted bar or piece c (Figs. VI and VIII to XI) is
pressed against the window frame C and is held thereby in the position shown. In
this position the bar or piece c can be supported by a bar d (Fig. IX). In the slot
of the bar or piece c are arranged, so as to be capable of adjustment, two screws ej
(Fig. X) by which the ladders are held at the desired distance from a building in
connection with which they are to be used.
When the distance between the windows is greater than the desired distance
between two ladders, a board (Fig. 1) is laid flatwise from one window to the
other upon the bars or pieces c to which it is fixed by means of hook shaped screw
bolts D. The boards are also each supported at a point between two bars or
pieces a by means of screw bolts which are arranged as follows:-At the places
where the screw bolts h are to be provided, a hole E is made in the wall of the
building into which a cast iron nut can enter conveniently. Into this hole the
nut is then placed with the bolt screwed in it. The hole E is then filled with plaster
of Paris, and the screw bolt is loosened to a slight extent, in order that it may
be capable of being taken out and put in again, after the plaster of Paris has
solidified. This arrangement enables the screw bolt which is formed with a
considerable length of thread, to be adjusted according to the distance of the
ladder from the wall. When the scaffolding is removed, the passage k which
remains when the bolt is taken out, is closed by a plug or stopper i.
When a
scaffolding is to be again set up this plug or stopper is removed to allow of insertion
of a bolt A.
The lengthening of the ladders is not effected as heretofore by means of ropes
and supporting plates nailed on, but by means of a ladder section m (Fig. 111)
which is inserted between the uprights or side rails of the lower supporting
ladder n so that the strap o, provided on the latter, will embrace the uprights or
side rails of the ladder m. The ladders m, n are also connected by a hook p

page_text: (Fig. II) which at one end is capable of rotation about a bolt q' of the ladder
section m, and at the other end embraces a bolt of the ladder n. The bolts 7, I'
are arranged in holes F which are provided along the whole length of the uprights
or side rails of the ladder between the rounds. The ladder m can by these means
be supported at any desired height by the hook p.
>"
The holes F also serve for fixing cross struts u, and breast rails s to the
uprights or side rails by means of screw bolts (Fig. IV), whereby the nailing
heretofore usual is obviated. For this purpose. also all the cross struts and breast
rails are furnished with holes and slots-(Fig. 1) to enable the ladders to be set up
at any desired distance from one another, without rendering, necessary the boring
of additional holes or other alterations when the general arrangement of the
scaffolding is to be altered.
Instead of setting up the ladders in planes perpendicular to the wall to be treated,
they may be arranged in planes parallel to the wall. The necessary alterations in
the saffolding required in this case will be obvious and can be readily carried ont
by an expert with the aid of the foregoing description.
Dated this 18th day of November 1890.
H. HEILAND,
By L. W., per F. B.
J. KAUFMANN,
By L. W., per F. B.
COMPLETE SPECIFICATION.
Improvements in Scaffolding.
We, HERMANN HEILAND and JULIUS KAUFMANN, both of Charlottenburg,
Germany, 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 reference to means or apparatus for enabling scaffolding for
plastering, painting &c. houses and the like to be erected in a speedy, safe and
The several
cheap manner without injury to the building to which it is applied.
purts of the scaffolding are constructed and arranged in such a manner that they
are adapted for use with different buildings and can thus be united to form a whole
without loss of time and money.
Referring to the drawings filed with our Provisional Specification,
Figs. I and II illustrate respectively in front elevation and in transverse section
scaffolding according to this invention.
Figs. III to XI inclusive illustrate details.
,
The ladders instead of being attached as heretofore, to a number of baulks or
beams that project out through windows in the roof, or through the roofing, or to
hooks driven into the building, are according to this invention attached to one or
more window struts A (Figs. IX, and X). These struts A consist of a pipe A'
within which can work a screw bolt B fitted with a nut B, by means of which the
part of the bolt extending ontside the pipe can be lengthened or shortened at will.
By means of the strut A, a slotted bar or piece c (Figs. VI and VIII to XI) is
pressed against the window frame C and is heid thereby in the position shown. In
this position the bar or piece c can be supported by a bar d (Fig. IX). In the slot
of the bar or piece c are arranged, so as to be capable of adjustment, two screws e f
(Fig. X) by which the ladders are held at the desired distance from a building in
connection with which they are to be used.
When the distance between the windows is greater than the desired distance
between two ladders a board (Fig. 1) is laid flatwise from one window to the
other upon the bars or pieces c to which it is fixed by means of hook-shaped screw

page_text: DoIts D.
The boards are also cach supported at a point between two bars or
pieces c by means of screw bolts h which are arranged as follows:-At the places
where the screw bolts are to be provided, a hole E is made in the wall of the
building into which a cast iron nut g can enter conveniently. Into this hole the
5ut is then placed with the bolt screwed in it. The hole E is then filled with
plaster of Paris, and the screw bolt is loosened to a slight extent in order that it
may be capable of being taken out and put in again, after the plaster of Paris has
solidified. This arrangement enables the screw bolt which is formed with a
considerable length of thread; to be adjusted according to the distance of the ladder
from the wall. When the scaffolding is removed, the passage k which remains
when the bolt is taken out, is closed by a plug or stopper i. When a scaffolding
is to be again set up this plug or stopper is removed to allow of insertion of a
bolt h.
The lengthening of each of the ladders is not effected as heretofore by means of
ropes and supporting plates nailed on, but by means of a ladder section m
which is inserted between the uprights or side rails of the lower supporting ladder "
(Fig. 111)
so that the strap o, provided on the latter, will embrace the uprights or side rails
of the ladder m. The ladders m n are also connected by a hook p (Fig. 1) which
at one end is capable of rotation about a bolt q' of the ladder section m, and at the
other end einbraces a bolt of the ladder n. The bolts y yare arranged in holes F
which are provided along the whole length of the uprights or side rails of the ladder
between the rounds. The ladder m can by these means be supported at any desired
height by the hook p.
2"
The holes Falso serve for fixing cross struts u » and breast rails s to the uprights
or side rails by means of screw bolts (Fig. IV), whereby the nailing heretofore
usual is obviated. For this purpose also all the cross struts and breast rails are
furnished with holes and slots (Fig. I) to enable the ladders to be set up at any
desired distance from one another, without rendering necessary the boring of
additional holes or other alterations when the general arrangement of the scaffolding
is to be altered.
Instead of setting up the ladders in planes perpendicular to the wall to be treated,
they may be arranged in planes parallel to the wall. The necessary alterations in
the scaffolding required in this case will be obvious and can be readily carried out
by an expert with the aid of the foregoing description.
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 :-
:―
1. In scaffolding of the kind herein referred to, a window strut consisting of a
pipe provided with an adjustable screw bolt and nut and a slotted bar or piece such
as e to be held in place by the said strut and provided with adjustable screws such
ase and whereby a ladder can be held at the desired distance from a building
substantially as herein described.
2. The use in conjunction with slotted bars of the kind referred to in the
preceding claim, of a screw bolt h adapted to be connected to the wall of a building
by means of a nut secured within a hole in said wall substantially as herein
described for the purpose specified.
3. In scaffolding of the kind herein referred to, fixing the cross struts uv and
breast rails to the ladders by means of screw bolts substantially as herein
described for the purpose specified.
4. In scaffolding of the kind herein referred to, an adjustable ladder consisting
of the supporting ladder » and a movable ladder section m these being held together
aterally by means of a strap o, and the ladder section being supported from the
adder n by means of an adjustable hook
hrough holes in the uprights or side rails of the said ladder and ladder section
and rods or bolts gq inserted
ubstantially as herein described.

page_text: 5. A scaffolding comprising ladders held parallel with or perpendicular to the
wall to be treated substantially as herein described.
6. The combination and arrangement of parts constituting the improved scaffolding
substantially as described and shown.
1001
H. HEILAND,
By L. W., per F. B.
J. KAUFMANN,
By L. W., per F. B.