A New or Improved Movably Suspended Motor-elevator.
Year: 1899

page_text: Date of Application, 10th Oct., 1899
Complete Specification Left, 20th June, 1900-Accepted, 10th Oct., 1930
PRUVIDIUNAL DE MULTICATION.
A New or Improved Movably Suspended Motor-elevator.
1, HENRY HARINGTON LEIGH, Assoc.M.Inst.C.E., Fel.Ch. Inst.P.A., F.I.Inst.,
practising as Phillips and Leigh, of No. 22, Southampton Buildings, Chancery
Lane, in the Administrative County of London, Engineer and Patent Agent, do
hereby declare the nature of this invention (a communication from Adolf Carl
Heinbert Tiedemann, of No. 13, Steinhöft, Hamburg, in the Empire of Germany,
Merchant,) to be as follows:-
The present invention relates to an elevator, which is freely suspended and
adjustable in altitude and in which the endless band carrying the buckets is
driven from the upper pulley wheel of the elevator, which in its turn is driven by
a motor attached to or located inside the head portion of the elevator, the source of
motive power being separate and situated at a distance. Such a motor-elevator
in view of its free suspension and the easy adjustability of its altitude will be
especially serviceable for all purposes in which, not the cargo to be elevated is
brought near to the elevator, but the latter is made to approach the cargo, the
bottom end of the elevator, which serves to take up the cargo to be elevated,
being enabled to be swung about in all directions and to be brought to the spot
from which the cargo is to be transferred. A motor-elevator thus constructed
will be of special advantage for use in loading and unloading cargoes such as
coal, grain and the like, in connection with ships and barges etc., the facility of
easily stowing away such motor-elevators on board ships when not required for
immediate use in view of their reduced weight and the limited space they occupy
further rendering them most serviceable for the purpose stated.
The improved motor-elevator consists essentially of a suitable elevator casing
with upper and lower pulleys, an endless band with buckets or carriers attached
thereto running over them, and a motor which for instance may be an electric
one located inside the head portion of the elevator, which driven from a suitable
source of electric energy rotates the upper pulley wheel thereby setting in motion
the endless band.
The elevator casing is composed of individual tubular parts suitably strengthened
by wooden ribs or beams and connected together by means of suitable flanges.
By inserting or removing individual tubular parts the elevator according to
requirements can be elongated or shortened.
The head portion of the elevator is formed by two lateral cheeks connected to
the previously referred to tubular parts and fitted with sockets or clamping bands
for receiving one extremity of the strengthening ribs or beams. The bolt con-
necting together the two lateral cheeks at the top serves also for fastening thereto
the supporting rope which runs over a pulley fast to a boom of the vessel. By
lowering or pulling up this rope the altitude of the elevator can be regulated in
an easy manner. A guide pulley or wheel journalled in the two lateral cheeks
serves for guiding the descending portion of the bucket or carrier band and
causing same to approach the ascending portion so occupying less space in the

page_text: elevator tube. The bucket band is suitably composed of sections which are
secured together in such a manner that by inserting or removing a number of
such sections its length can be increased or reduced in accordance with the length
of the elevator casing or tube, i.e., the number of tubular paris composing same.
The two lateral cheeks serve for supporting the pivots on which the upper pulley
wheel rotates. The pivots being connected together by a frame inside, which
the shaft carrying the armature and the field magnets of the motor are located.
Suitable wires serve for supplying electricity for driving the motor, said wires
being preferably enclosed in an insulating tube and reach the interior of the
frame by passing through an opening in one of the pulley pivots.
The rotary movement of the armature shaft is imparted by suitable transmission
means such as a worm and worm-wheel to an axle, provided with toothed wheels
meshing with teeth on the internal perimeter of the upper pulley wheel thus
causing same to rotate and to impart motion to the bucket- or carrier-band.
A protective casing is suitably provided for the upper pulley wheel, the end-
less band and the buckets, a tubular branch leading from it serving for the issue
of the cargo elevated, and a lid or door arranged in the casing at the side opposite
the branch enabling easy access to the mechanism and the buckets from the
outside.
Total 10th 1
1000
A New or Improved Movably Suspended Motor-elevator.
I, HENRY HARINGTON LEIGH, Assoc. M.Inst.C.E., Fel.Ch.Inst.P.A., practising
as Phillips and Leigh, of No. 22, Southampton Buildings, Chancery
Lane, in the Administrative County of London, Engineer and Patent Agent, do
hereby declare the nature of this invention (a communication from Adolf Carl
Heinbert Tiedemann, of No. 13, Steinhoft, Hamburg, in the Empire of Germany,
Merchant), and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
The present invention relates to an improved elevator, which is freely suspended
and adjustable in altitude and in which the motor driving the bucket band or
the upper pulley respectively is located inside the head portion and within such
upper or drive pulley of the elevator.
In motor-elevators of known construction the motors are arranged so as to be
outside of the elevator tube or its head portion respectively. In most of these
constructions the driving motors are arranged eyen a rather considerable distance
apart from the elevator itself, in which cases the transmitting means connecting
the driving motor with the drive pulley shaft of the elevator also require a con-
siderable space for their fitting up. From the above it is obvious that all elevators
with driving motors arranged outside their elevator tubes or head portions thereof
form more or less large buildings for the fitting up and operation of which a
correspondingly large room is necessary. Such elevators in view of their heavy
weight and large dimensions can thus be transported with difficulty and are there-
fore adapted for stationary purposes only. The said disadvantages and incon-
veniences in elevators are obviated by the present invention, that is to say, by
arranging the motor, preferably an electromotor, driving the bucket band etc.
inside the head portion of the elevator and within the upper drive pulley thereof.
The advantages and technical progresses obtained by this improved construction

page_text: consists in the more compact general arrangement, in the saving of room or space,
in the better stability, in the relatively lesser weight, in the greater mobility and
transportability. A motor-elevator constructed in accordance with the present
invention will be of special advantage for use in loading and unloading cargoes
such as coal, grain and the like, in connection with ships and barges etc., the
facility of easily stowing away such motor-elevators on board ships when not
required for immediate use in view of their reduced weight and the limited space
they occupy further rendering them most serviceable for the purpose stated.
In order that my invention may be more fully understood by one skilled in the
art to which it appertains, I will now proceed to describe the same in detail, and
for that purpose reference is taken to the accompanying sheet of drawings,
whereon
Figure 1 is a side elevation of the upper part and
Figure 2 is a like view of the lower part of the improved motor-elevator;
Figure 3 is a view illustrating the use of the motor-elevator, for instance for
unloading the grain-cargo of a steamer;
Figure 4 is a vertical section on the line A-B (Figure 5) which shows' the
motor casing, the upper pulley and the bucket band in section, and the motor
and its supporting girders in elevation ;
Figure 5 is a vertical section through the middle of Figure 4 and being at
right angles to this latter section;
Figures 4 and 5 are drawn at a larger, and Figure 3 at a smaller scale than the
Figures 1 and 2.
Similar letters of reference indicate corresponding parts throughout the several
views.
The improved motor-elevator consists essentially of a suitable elevator casing
with upper and lower pulleys a and b an endless band d with buckets or carriers e
attached thereto running over them, and a motor which for instance may be an
electric one located inside the head portion of the elevator, which driven from a
suitable source of electric energy rotates the upper pulley wheel a thereby setting
in motion the endless band d.
The elevator casing is composed of individual tubular parts f suitably
strengthened by wooden ribs or beams e and connected together by means of
suitable flanges g. By inserting or removing individual tubular parts f the
elevator according to requirements can be elongated or shortened.
The head portion of the elevator is formed by two lateral cheeks h h¹ connected
to the previously referred to tubular parts f and fitted with sockets or clamping
bands for receiving one extremity of the strengthening ribs or beams e. The
bolt connecting together the two lateral cheeks at the top serves also for fasten-
ing thereto the supporting rope which runs over a pulley fast to a boom m
of the vessel. By lowering or pulling up this rope the altitude of the elevator
can be regulated in an easy manner. A guide pulley or wheel journalled in
the two lateral cheeks serves for guiding the descending portion of the bucket or
carrier band and causing same to approach the ascending portion so occupying
less space in the elevator tube. The bucket band is suitably composed of sections
which are secured together in such a manner that by inserting or removing a
number of such sections its length can be increased or reduced in accordance with
the length of the elevator casing or tube, i.c., the number of tubular parts
composing same.
The two lateral cheeks h h¹ serve for supporting the pivots on which the
upper pulley wheel a rotates. The pivots p being connected together by a frame
inside which the shaft s carrying the armaturer and the field magnets of the
motor are located. Suitable wires u serve for supplying electricity for driving
the motor, said wires being preferably enclosed in an insulating tube w and
reach the interior of the frame by passing through an opening in one of the
pulley pivots p.
The rotary movement of the armature shaft's is imparted by suitable trans-

page_text: mission means such as a worm and worm-wheel s¹¹ to an axle r, provided with
toothed wheels y and y¹ meshing with teeth z and 2 on the internal perimeter
of the upper pulley wheel a thus causing same to rotate and to impart motion to
the bucket or carrier-band d. In Figure 4 it will appear at the first glance as
if the wheel y meshes with the teeth, but this is in reality not the case as the
wheel y which meshes with the teeth is situated behind the wheel y and is
covered by the latter.
A protective casing at is suitably provided for the upper pulley wheel n, the
endless band d and the buckets c, a tubular branch a leading from it serving for
the issue of the cargo elevated, and a lid or door arranged in the casing at the
side opposite the branch enabling easy access to the mechanism and the buckets
from the outside.
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 combination with an elevator a driving motor arranged inside the head
portion and within the upper drive pulley of the elevator, substantially as and
for the purpose set forth.
2. In combination with an elevator a motor arranged inside the head portion
of the elevator within the upper drive pulley thereof, and means for freely.
suspending the elevator, substantially as and for the purpose set forth.
3. The improved motor-elevator constructed, arranged and operating substan-
tially as hereinbefore set forth.
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CITES
HENRY H. LEIGH, C.P.A.,
No. 22, Southampton Buildings, Chancery Lane, W.C.
HENRY H. LEIGH, C.P.A.,
No. 22, Southampton Buildings, Chancery Lane, W.C.