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Патент USA US2119281

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May 31, 1938.
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A. ELLUDERS, JR
2,119,281
MOUNTING FOR OUTBOARD MOTORS
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Filed July 24, 1956
2 Sheets-Sheet l
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INVENTOR.
May 31', 1938-
2,119,281
A. E. LUDERS, JR
MOUNTING FOROUTBOARDMOTORS
'Filed’ July 24, 1936
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2 ‘Sheds-Sheet 2
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INVENTOR.
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ATTtO{NEY5.
Patented May 31, 1938
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2,119,281
MOUNTING FOR OUTBOARD MOTORS
Alfred E. Luders, J1'., Stamford, Conn.
Application July 24, 1936, Serial No. 92,399
6 Claims.
This invention is directed primarily to the pro
vision of an improved arrangement providing
auxiliary power for a sail boat, and to an out
board motor and mounting therefor utilizable in
5 boats generally.
An object is to provide an outboard motor ‘unit
which may be carried normally within the boat
in an inconspicuous and protected position and
be readily movable into operative position when
10 and as needed or desired.
A further object is to- provide a simple and
effective arrangement for disposing an outboard
motor in the hull of a boat, so that the motor is
quickly available for use, when needed, said ar
15 rangement including provision to prevent the
escape of fumes ‘or liquids from the motor unit
or its storage space to the hull of the boat gen
erally.
Still another object is to provide an outboard
20 motor support and housing which shall occupy
substantially minimum space and be capable of
effective use in connection with boats varying
from each other radically in design.
Speci?c objects include the provision of a
V25 storage receptacle and mounting for an out
board motor, wherein a comparatively long pro
peller shaft, with a propeller thereon, may be
stored transversely of, parallel with, or at any
desired angle relative to the axis of the boat.
30
The particular embodiments shown constitute
arrangements for mounting the outboard motor
for operation at the side of the hull and storing
the motor in ‘a compartment built into the aft
portion of the hull, as below the after deck struc
35 ture, but it is ‘to be understood that the principles
hereof are applicable in mounting an outboard
motor in any other desired position, for instance
at the transom.
Other objects and features of the invention will
become apparent from the following description
relating to the accompanying drawings, showing
various preferred arrangements. The essential
characteristics are summarized in the claims.
Referring to the drawings, Fig. l is. a frag~
45 mentary side elevation of the after portion of a
sail boat hull, showing the outboard motor in
operating position; Fig. 2 is a fragmentary plan
View, illustrating the nature of the storage re
ceptacle or compartment; Fig. 3 is a sectional
view taken transversely of the hull, as indicated
by the line ii—3 on Fig. 1, the View showing
diagrammatically the stored position of the out
board motor; Fig. 4 is a plan View of a modi?ed
form of the motor mounting and storage re
ceptacle; Fig. 5 is a sectional View thereof, as in
(Cl. 115-05)
dicated by the line 5—-5 on Fig. 4; Fig. 6 is a plan
view illustrating still another modi?ed form of
motor mounting and, diagrammatically, various
positions in which the motor and propeller unit
may be swung; Fig. 7 is a fragmentary sectional 5
View thereof, as indicated by the line 'l—l on Fig.
6, and Fig. 8 is a detail sectional view taken sub
stantially on the line 8-8 on Fig. 7.
Referring ?rst to the form shown in Figs. 1
to 3, the hull of the vessel is indicated at i, with 1O
side walls or wales 2, a bottom wall 3 and keel Ii,
the hull being generally covered as shown by
after deck panelling 5.
The storage receptacle or compartment for the
motor comprises a box iii, having continuous side 15
walls 5 I and a bottom wall 12. The compartment
is preferably liquid and gas tight and the side
walls are sealed in suitable fashion as against the
under-side of the after-deck panelling. The re
ceptacle or compartment is supported by suitable
members, such as shown at M and it which, as
shown, are supported by the framework of the
boat. The compartment has a cover which may
be flush with the deck panelling or slightly raised
as illustrated, said cover having depending mar
ginal flanges I], which may form a labyrinth joint
with a marginal ?ange it formed on or secured
to the panelling 5.
The cover may, instead,
directly engage the container walls, and any
known means or expedient may be used to insure
sealing the edges against passage of liquid or gas
into and out of the compartment when the cover
is closed. Such cover may be hinged, as at E9.
The outboard motor unit may be of any type
or design. Preferably it has a comparatively
large, slow-turning propeller with an extra long
propeller shaft and supporting frame work for
the propeller mounting and shaft. As shown, the
unit comprises a motor 28, an elongated frame
work 25 depending therefrom, which supports a 40
mounting 22 and suitable gearing for driving the
propeller 23. The mounting acts in part as a
guard for the propeller and may also constitute a
rudder effect, as is usual with outboard motors.
The motor and the depending framework is 5
carried on a bracket 25, having a lower horizon
tal flange 26 on which the motor assembly is
mounted, an upright portion adapted to rest
against the hull and an inwardly extending arm
01 O
terminating in a hinge 28 which is operatively
attached to the hull of the boat. The bracket in
all instances shown, is of substantially Z-bar
shape, that is, it has substantially parallel flange
portions connected by a web effect which lies in 55
2,119,281
2
a plane substantially normal to the ?anges; one
flange supporting the motor and one connected
with the hinge, while the web rests against the
hull.
The hinge pin is carried, as shown, on a
pair of brackets 29, which are rigidly supported
by the hull of the boat, either directly or through
the medium of the compartment walls in case
these are built strongly enough to carry theim
posed loads. The hinge axis, as shown, lies below
10 the cover i6, and the bracket 25 has the proper
outreach from said axis so that the motor may be
swung bodily from its operating position, as i1lus-'
trated in full lines in Figs. 1, 2 and 3, to- stored
position as illustrated in broken lines in Fig. 3.
15 In the operating position of the bracket 25 the
same may be detachably locked to the hull by any
suitable fastening means. For illustration a
latch device .30 having a flat‘ head adapted to
pass through a slot 3| in the bracket is pivotally
20 attached to the underlying wall of the boat, said
device being adapted to be turned to overlie the
bracket on each side of the slot, as shown in
Fig. 2.
When the outboard motor unit is secured at the
25 side of the hull, as shown, this would naturally
have a tendency to steer the boat in one direc
tion and accordingly the motor may be turned
as on a pivotal mounting (not shown), and locked
in such position that the normal driving reactions
of the propeller are so directed that the boat
maintains a straight course with the main rudder
in non-steering position. Alternatively, steering
may be accomplished in some cases by the out
board motor unit, which may have a tiller arm 32,
detachably secured thereto as at 33.
In the stored position of the motor unit, a por
tion of the framework 2| rests on a supporting
block 35, on the floor [2 of the compartment.
It is to be understood that ancillary equipment
for the motor as well as reserve fuel and lubricant
supply may be stored as on suitable racks or fas
tenings inside the compartment. In the design
of motors adapted to be carried part of the time
within the boat, automatically operating, means
is provided to seal the fuel system against leak
age whenever the motor unit is in recumbent po
sition.
The hinge construction may be modi?ed in
instances where the hull is comparatively narrow
in the region at which it is desired to support the
50 motor unit, whereby the compartment may be dis
posed lengthwise of theboat or at anydesired angle
relative to its axis. Referring to Figs. 4' and 5,these
C21 Cl
illustrate the compartment Illa extending general
1y parallel to the axis of the boat, and the hinge
axis extends obliquely to the axis of the compart
ment, being located at one end thereof. By way of
minimizing the lateral dimensions of the com
partment, one end of the hinge pin is preferably
60 raised, see particularly Fig. 5, it being found that
where the unit is disposed at an angle approach
ing 90° relative to the boat side it requires a con
siderably wider compartment if the hinge axis
lies parallel to the plane of the top-of the boat.
The brackets 29a which support the out-reach
ing arm ‘.lla of the bracket 25a, may be mounted
on rigid portions of the hull or special framework
thereon as previously described.
The arrangement of Figs. 4 and 5 would, of
course, have a suitable cover (not illustrated) and
the cover may have a portion which overlies the
hinges, to conceal all parts of the mounting as
well as the motor and propeller mechanism in
the stored position of the unit.
Referring now to Figs. 6 to 8, it will be seen that
75
the inner end of the motor unit supporting
bracket lies entirely below the deck paneling. A
further feature illustrated is the provision of a
double hinge, whereby the motor unit may be
swung to and stored in any desired position with UK
a single design of hinge, so that hulls of various
widths can have the compartments built therein
as best suited to each case. The motor support
ing bracket arm Ell), has its inner bifurcated end
turned downwardly, as at 4!}, and the downwardly
turned end carries a hinge pin 4!, which extends
horizontally through a vertically pivoted head
43, a detail of which is shown in Fig. 8. As there
shown, the head 43, has a vertical shank 44 se
cured as by a suitable nut to a ?at bracket 45,
extending over the top of the decking and se~
cured thereto. With this arrangement the bracket
and motor unit thereon may be swung inwardly
over the side and stored in a compartment which
extends from the hinge in any desired direction.
In other words the compartment may be located
to accommodate the motor unit in any of the il
lustrative positions thereof diagrammatically il
lustrated at M, M’, and M” Fig. 6, without hav
ing to alter the hinge construction.
I claim:
1. In marine propulsion apparatus, an out
board motor unit, comprising a propeller, drive
shaft and motor, and a bracket supporting the
motor unit in operating position, said bracket '
having an upright portion adapted to abut the
outer wall of the boat and an inwardly extend
ing arm hingedly attached to the boat on an
axis lying inwardly from said wall, the hinge be
ing so arranged that the motor unit may be -
swung upwardly and inwardly into the boat, with
the arm depending from the hinge.
2. In marine propulsion apparatus, a mounting
for an outboard motor, comprising a ?xed sup—
port having a block pivoted thereto on a verti
cal axis, a bracket attached to the block on a
generally horizontal axis, whereby the bracket
with a motor and propeller unit mounted thereon
may be swung from an operating position outside
the boat into a carrying position within a boat
and disposed in said boat at various angles
relative to the axis of the boat.
3. In an outboard motor unit, a bracket adapt
ed to reach inwardly over a wall of a boat, a hinge
for the bracket which is attachable to such boat
inwardly from its side wall, said bracket being in
the general form of a Z-bar, the web of which is
adapted to abut the side of such boat in the op
erating position of the unit, one ?ange of which
is adapted to support the motor and the other
?ange carrying part of the hinge.
‘1. In combination, an upwardly open receptacle
adapted to be mounted within a boat hull, a
bracket of the general shape of a Z-bar having
one flange portion operatively hinged at one wall 60
of the receptacle, said flange being adapted to
extend outwardly from the receptacle over the
edge of the hull, a motor and propeller assembly
mounted on an outlying portion of the bracket
and swingable with the bracket entirely into said 65
receptacle.
5. An outboard motor and mounting, compris
ing a bracket adapted to be hinged to a boat in
wardly from one of its side walls so that the
bracket may be swung transversely of the boat "
inside of it, said bracket having a portion which
extends generally horizontally from the hinge in
the operating position of the bracket, a portion
which depends from the aforesaid portion so that
it may abut the hull, and another portion which
2,119,281
extends outwardly as “a shelf, and a motor and
frame assembly secured to the last-mentioned
portion of the bracket, said assembly having a
motor above the shelf effect, and a propeller
shaft extending below the bracket, having its
lower end connected to a propeller.
i
6. In a marine propulsion apparatus, a mount
ing for an outboard motor comprising a support
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adapted to be ‘secured to a boat hull, a bracket
hinged to the support on a diagonal axis, the
bracket being swingable to one side or the other
of the support, a motor and propeller unit car
ried by the bracket and adapted to lie within or
outside of a boat hull to which the support may
be secured.
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ALFRED E. LUDERS, JR.
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