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Патент USA US2132582

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0m. v11, 1938.
2,332,582
H. F. SHAW
RUDDER
Filed Dec. 21, 1956
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Patented Oct. 11, 1938
- 2,132,582,
UNITED STATES
PATENT OFFICE.
2,132,582
RUDDER
Harry F. Shaw, McKeesport, Pa.
Application December 21, 1936, Serial No. 117,071
2 Claims. (Cl. 114-462)
This invention particularly relates to rudders
for river boats, tow boats, or the like, and has
welding or any other suitable means, such as
brackets I4. A metal plate I6, or a similar de
for one of its objects the provision of a rudder
having a novel construction.
The above and further objects‘ will become ap
vice, can be carried by the rudder 2 so that, if
the boat has a plurality of rudders, a connecting
rod or bar can be secured between the rudders to
parent by referring to the following description
and the accompanying drawing, in which:
A feature of this invention is the use of a
unify their motion.
welded construction throughout because that con
struction is adapted to produce the maximum
strength of the assembled parts. As the rudder 10
2 is hollow and the weight of the rudder 2 should
rudder operating stem shown in Figure 1; and,
be held to a minimum amount, it is highly im
Figure 3 is a plan of the rudder shown in Fig
portant that the rudder 2 be made water-tight.
ure 1.
By welding the parts of the rudder 2 together, a
‘ Referring more particularly to the drawing, the
water-tight unit is made without breaking the 15
numeral
2
indicates
generally
a
rudder
for
a
15
river boat, tow boat, or the like. The sides of smooth outer surface of the sheets 4 and 6.
While I have shown and described a speci?c
the rudder 2 are preferably made from two flat, '
embodiment of my invention, it will be under
smooth-surfaced metal plates or sheets 4 and 6.
A plurality of channels B'are riveted, welded, stood that I do not wish to be limited exactly
thereto, since various modi?cations may be made 20
20 or otherwise secured between the plates 4 and 6
without departing from the scope of the invention
to hold them in unitary spaced parallel rela
tion. Channels or bars 9 may extend between the as de?ned by the following claims.
I claim:
~
channels 8 and be welded to the .sides 4 and 6.
1. A water-tight rudder comprising a pair of
As the plates 4 and 6 are subject to severe stresses
spaced parallel metal plates, channel members
25 when the rudder 2 is in use, the channels 8 and
welded to and between said plates for spacing
, bars 9 are arranged to give the desired strength.
and securely holding them in spaced relation, 2.
to the plates 4 and 6.
To form a hollow water-tight body from the metal strip extending between and‘joining the
and continuously welded to the edges there
plates 4 and 6 and the channels 8, strips It], plates
of to provide an integral hollow buoyant body 30
made
from
metal
plate
or
sheet,
are
secured
be
30
tween the plates 4 and 6, as close to the edges having a smooth outer surface, and a ?ange car
thereof as is possible. The strips l0 and the ried thereby for attaching said rudder to a rudder
channels 8 are secured to the plates 4 and 6 in operating stem.
2. A water-tight rudder comprising a pair of
such a manner that they form a strong, smooth
spaced
parallel plates, a plurality of metallic 35.
3 surfaced body therewith. The smooth surface
permits the rudder 2 to move through water members positioned between said plates and at
with a minimum of disturbance and friction tached to the inner surfaces thereof holding them
in spaced relation, some of said members being
The rudder 2 is constructed and arranged to arranged horizontally and the others vertically
be assembled as a unit and then attached to the of said rudder, a metallic strip extending between
40
and joining the plates around the edges thereof
rudder operating stem which controls its posi
to provide an integral hollow buoyant body hav
tion. A ?ange l2, which is adapted to be en
gaged with the rudder operating stem, extends at ing a smooth outer surface, and means for attach
right angles to the plane of the rudder 2 and is ing said body to a rudder operating device.
HARRY F. SHAW.
45 secured to the rudder intermediate its ends by
Figure 1 is an elevation of one embodiment of
my invention;
Figure 2 is an end elevation of the rudder and
10
therewith.
'
.
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