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Патент USA US3040702

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June 26, 1962
7
Filed Sept. 30, 1959
c. A. HARDY, JR
3,040,692
MARINE ANCHOR
’
2 Sheets-Sheet 1
INVENTOR.
CHmez £5 A? ?mwrje.
Z BYMWM
4770/61/21’
June 26, 1962
c. A. HARDY, JR
3,040,692
MARINE ANCHOR
Filed Sept. 30, 1959
2 Sheets-Sheet 2
INVEN TOR.
C’mezar A #4,?” JR.
.BYMW‘M
,4 7705/1/15)’
ire
334,692
tats
Patented June .25, 1962
i
g,
of the shank is rigidly connected and from which the stock
3,040,592
MARINE ANCHOR
extends at both sides of the shank.
,
Charles A. Hardy, 312, 565 Aida Road,
Mamaroneck, NX.
Filed Sept. 30, B59, Ser. No. 843,410
14 Claims. (Cl. 114-207)
‘
It is a feature of the invention, in contrast to the usual
constructions, that means are provided for attaching the
end of the‘anchor line to the anchor so that the point at
which the pull of the anchor line is exerted upon the
anchor is disposed intermediate the head and the end of
the shank remote from the head and ?uke, this point of
This invention relates to a marine anchor for ?oating
pull being offset from a line joining the remote endof
vessels or other structures. The invention more espe
. cially relates to an anchor of the type having a ?uke and 10 the shank and the heel of the head which rests on the
underwater bottom when the fluke is disposed above the
a shank connected to the ?uke and a stock extending
head. The conditions ordinarily are such that, if the ?uke
transversely of the shank, The invention particularly re
‘becomes
‘disposed above the shank and head, the anchor
lates to an anchor having a single ?uke.
will rest upon three points, namely, the heel of the head,
Anchors of this type in various forms have been pro
the remote end of the shank and one or the other end of
posed for the purpose of insuring engagement with and
penetration by the ?uke oi‘ the underwater bottom. ‘For
this purpose conventional anchors have been provided
with two ?ukes disposed in spaced relation to and at
either side of the shank at one end thereof, the stock
the stock.
.
The disposition of the point of pull between the head
and the remote end of the shank is such that the pull tends
to lift the head and the ?uke pivotally about a fulcrum
being disposed at the opposite end of the shank and‘trans 20 point at the remote end of the shank If the line of pull
were precisely in the plane of the shank and the point of
verse to the plane of the ?ukes. In order to avoid en
the ?uke, the head andthe ?uke might be lifted from the
tanglement with the anchor line it also has been proposed
bottom without its developing any moment for turning
to utilize a single ?uke disposed at one side of and in
the anchorv over to dispose the ?uke downwardly, The
o?set relation to the shank and to dispose the stock per
pendicular to the plane of the fluke and the shank at the 25 conditions of disequalibriurn ordinarily are such, how
ever, that “some lateral pull will be exerted by the anchor
end of the shank at which the fluke is mounted.
line and a turning moment almost immediately is de
Where a single fluke is used, the anchor on reaching
velop-ed about a line joiningthe remote end of the shank
the underwater bottom may lie with the ?uke upward
with the end of the stock ‘which rests upon the bottom.
and the shank and stock resting on the bottom, so that
the anchor is ineffective to penetrate thev bottom to reach 30 The head and the ?uke then are lifted in turning move
ment about this second line until the center of gravity of
a holding position under the pull of the anchor line- and
the system Which includes the shank, the head and the V
may slide over the bottom concomitantly with drifting of
?uke is above the line of pivotal turning movement.
the vessel. To provide for this contingency it has been
Upon slight further pull of the anchor line, the head and
proposed in a single ?uke anchor to provide for hinging
?uke will fall toward the bottom so that the point of the
the ?uke on a head to which the shank is secured in order
?uke becomes disposed in bottom engaging or penetrating
that the ?uke, if it becomes disposed above the shank
upon the anchor reaching the bottom, may fall in the
The anchor of the invention'may utilize a head and
hinging movement so that the point of the ?uke will reach
the bottom for penetration thereof. This and other pro 40 ?uke of conventional form with a conventional stock ex-'
tending laterally from the head. It also may utilize a
posals having the purpose of insuring penetration have
shank of conventional form carrying the head, fluke and
involved di?iculty because of underwater rocks, marine
stock in the usual manner. In order to secure the oifset
growth or other objects interfering with the fall of the
intermediatedisposition of the point of pull to which
?uke and so defeating the purpose of the device. More
over, the problem of entanglement of the anchor line has 45 reference has been made, the shank of the anchor of the
invention may be provided with an extension of the con~
not been suitably solved.
ventional shank to an end which is remote from the head.
It is an object of the invention to provide an anchor of
To secure/the offset relation of the point of pull the ex~
such construction as will insure engagement with or pene
tension of the ‘shank may be disposed in angular relation
tration of the ?uke in the underwater bottom.
It is another object of the invention to provide in such 50 to the conventional shank or the extension itself may be
of angular form, means for ‘attaching the anchor line
an anchor for preventing entanglement of the anchor line
being carried’ by the shank or its extension ‘so as to dis
with parts of the anchor, especially its fluke,
pose the point of pull of the anchor line in the oiiset rela
It is a further object of the invention to provide an
tion with respect to the line joining the vremote end and
anchor of such form that, if the fluke becomes disposed
heel of the head as referred to. The desired disposi- .
upwardly with respect to the shank above the bottom, 55 the
tion of the point of pull also may be secured by providing
the pull of the anchor line will move it from this position
a conventional anchor with an elongated shank or an ex
to a position with the ?uke downward for engagement
tension of its conventional shank and further providing a
with the bottom.
_
heel extension member extending ‘from the head in the
It is an additional object of the invention to provide an
direction
opposite to the ?uke, so that the line connecting
anchor of such form that it will be turned over from the 60
the remote end of the shank to the end of the heel exten
?uke upward position to the position with the ?uke down
sion is disposed in offset relation to the means for attach
ward substantially through any practical range of the
ment of the anchor line. For this purpose also the head
scope ratio, that is, the length of the line under water
itself may be formed with a portion extending oppositely
divided by the depth of the water.
‘ The anchor of the invention provides a ?uke connected 65 to the ?uke to a heel beyond the shank-and stock. In
each of these devices the turning moment which has been
to one end of the shank and disposed in offset relation
referred
to is ‘secured which is effective to turn the anchor
to and at one side of the shank. Preferably the ?uke is
over from the position with the ?uke upward to the posi
?xed in relation to the shank. The stock extends trans
tion with the ?uke downward for engagement with or
versely of the shank at the end thereof at which the ?uke
is connected. This stock ordinarily extends perpendicular 70 penetration of the bottom.
The means for attaching the anchor line is supported
‘ to the plane of the shank and the point of the ?uke.
by the shank, or preferably by its extension, so that the
Preferably the ?uke is ?xed to a head to which one end
position.
7
v
p
p
3,0§0,692
3
point of attachment may rotate about the shank or its
extension. This may be accomplished by utilizing a fer‘
rule or a sleeve carrying an eye or clevis for engaging the
. anchor line or a shackle attached thereto. This provision
'for rotation of the ferrule or the sleeve serves to limit
the possibility of or to prevent the'line becoming wrapped
about the shank or the shank extension in such a manner
bottom so as to prevent movement of this remote end of
the shank either'in the plane of the shank or laterally
thereof under the pull of the anchor line 17.
- In this embodiment a sleeve 19 is mounted on the shank
extension 13 and extends t-herealong substantially from
the junction '21 of the main portion 9 and the extension
13 of the shank to the remote end 15 of the shank ex
as to interfere with proper pull of the line on the anchor
tension. This sleeve 19 is carried by the shank extension
tending to secure and to maintain engagement and pene
so as to be rotatable relative thereto on the axis of the
tration of the bottom. If the line starts to wrap about 10 shank extension 13. In order to prevent movement along
the shank or its extension the pull of the line will rotate
the shank extension in this embodiment cotter pins 23 are
the ferrule or sleeve and so ‘will unwrap the line. Espe
provided passing through holes in the shank extension
cially where the length of‘ the sleeve is such as to extend
and disposed so as to hold washers 25 for engagement
substantially over the full length of the shank extension,
by the ends of the sleeve 19. The sleeve carries adjacent
the line being attached to the end of the sleeve disposed 15 the end thereof which is adjacent the junction 21 of
toward the head, the line’which may become wrapped
about the sleeve exerts a rotating moment upon the sleeve
at all positions of contact of the-line therewith and so
unwrapping action occurs as soon as pull is exerted on
the line.
"
'
‘ Other objects and features of the invention will be
understood from the description to follow taken in con
nection with the drawings in which--
'
FIG. 1 shows inelevation the preferred embodiment
of the invention;
‘
'
FIG. 2 is a plan view of the anchor of FIG.'1;
, .
FIG. 3 is an end view from the right in FIG. 1 show
ing the heel of the head and the end of the stock in en
gagement with the bottom, the ?uke being disposed up
wardly;
'
'
'
'
'
‘
FIG. 4 is an end view corresponding to FIG. 3 in which
the turning movement lifting the head ?'om the under
the two portions of the shank an eye or clevis 27 to which
the anchor line is secured.
'
If the ‘anchorupon reaching the underwater bottom
becomes disposed in the position of FIGS. .1 to 4, inclu
20 s-ive, with the ?uke upward and the heel 29 of the head
,7 resting on the bottom, the remote end 15 of the shank
also being in engagement with the bottom, normally the
anchor will be tipped slightly, as shown in FIG. 3, so that
one end or the other of the stock 111 also
be in en
25 gagement with the bottom. It will be apparent, having
regard to the bent 'form of the shank and its extension
that the point of pull ‘of the anchor line 17 is disposed
above the line joining the remote end 15 with the heel
29 of the head; 'Even'if neither end of the stock were
in engagement with the bottom, pull of the anchor line
slightly outthe plane of the shank and ?uke will develop
a turning moment about the line‘ joining the remote end
15 of the shank and the heel 29 to carry an end of the
_ FIG. 5 is a modi?cation of the anchor of the invention;
stock 11 into engagement with the bottom. Under con
FIG. 6 is a view of the extended portion of a shank 35
tinued lateral pull of the anchor line the moment will
similar to FIG.’ 1 and provided with a modi?ed form of
become'exerted
about the line joining the remote end
the rotatable sleeve;
'
' '
'
"
15
with
the
end
31
of the stock, FIGS. 3 and 4, which en
FIG. 7 is a section on line 7——7 of FIG. 6;
gages the bottom. The moment will effect lifting of the
FIG. 8 is a view in elevation corresponding to FIG. 1
and showing a modi?cation utilizing a heel’ extension of 40 heel 29 from the bottom and lifting of the head and
?uke and turning movement until the center of gravity
of the system becomes disposed above the point 31.
FIG.’ 9 is an end view from the right‘in FIG. 8 show~
Thereafter, under continued pull of the anchor, the
ing'the engagement of the heel and the stock with the
weight of the system will be exerted on the opposite side
of
the vertical plane'through the line joining the remote
FIG'.~10 is a top view of'the anchor of FIG. 8;
45 end 15 and the point '31 and the ?uke
fall to the
FIG. 11 shows a ‘modi?cation of the anchor provided _
water bottom has been started;
the head;
bottom;
7
'
_
'
.
‘
i
7
‘
with a head having a heel extension.
FIG.-l2 shows a modi?cation in which the shank ex
tension is providedby a separate part attached to a con
ventional anchor.
' i
In FIGS. 1 and 2 the anchor is provided with a ?uke
5 of conventional form’ and carried by a head 7 to which
in a conventional manner the main ‘portion 9 of the shank
is secured so as to dispose the ?uke in o?set relation to
the shank and with the width of‘the ?uke transverse'to
the length of the shank and the length of the ?uke from
the head toward the pointed end of the ?uke extending
in inclined relation tovthe shankloutwardly thereof. The
bottom and become disposed in position for engaging
the bottom.
It will be apparent in such movement that the portion
of the shank adjacent the junction 21 will reach a posi
50 tion resting on the bottom and the remote end 15 of the
shank extension‘tmay be, freed from the bottom. In this
embodiment, as may be understood from a consideration
of FIG. ‘1; the shank extension, being substantially in
line with the point of the ?uke,
extend generally along
the bottom when the junction 21 and the point of the ?uke
are resting on the bottom. The angle of the shank exten
sion 13 with respect to the main portion 9 of the shank may
be such that, when the ?uke has penetrated the bottom
that, when the ?ukeis downward and the pull of the line 60 and the main portion 9 of the shank extends from the
head 7 generally along the bottom, the shank extension
is exerted in the, normal manner generally along the
13 will extend generally upwardly from and in inclined
length of the portion 9 of the shank, the point of the
‘ ?uke thus'is disposed in proper’ relation to the shank so
relation to the bottom in the direction toward the re
fluke may penetrate the bottom or otherwise reach hold
mote end 15.
,
ing position. The head 7 also carries a stock 11 which
in the conventional manner extends at either side of the 65 In the turning over movement of the anchor described
the clevis 27 under the pull of the anchor line will effect
shank transversely thereof and parallel to the width of
a rotational movement of the sleeve 19‘ so that, when the
anchor has 1been turned over with the ?uke downward, the
_ Inthe embodiment of FIGS. 1 and 2 the shank is pro
clevis 27 will remain on the upper side of the‘shank ex—
vided with anextension 13 disposed in the same plane
tension in the new position of the anchor. In this rota
as that‘ of the shank portion 9 and the point of the ?uke, 70 tional
movement of the sleeve 19 fouling of the anchor
this extension 13, however, extending at an angle to the
line with the shank extension is avoided. If under some
the ?uke.
'
'
a
'
main portion 9‘. The end 15 of the shank extension‘ 13
conditions the anchor line should become wrapped above
the sleeve, rotation of the sleeve 19 still will be effected
so as to insure penetration of this end into the bottom or
because the line will be in circumferential engagement
for engagement with rock’ or other protuberances on the 75 with the exterior surface of the sleeve and a turning
in the embodiment of FIGS. 1 and 2 is bevelled or pointed
3,040,692
6%
moment will be exerted upon the sleeve which will ‘cause
in more pronounced inclined relation to the bottom than
the line to be unwrapped until it extends directly tothe
clevis 2.7. The clevis 27 being disposed adjacent the
junction 21 of the two portions of the shank brings the
pull of the line generally in line with the portion 9 of
in the embodiment of FIGS. 1, 2 and 3. The ?uke 5,
however, is disposed above the line joining the remote end
67 and the lower end of the heel extension 69. The ?uke
5 also is disposed above the line joining the remote end
,67 to the end 71 of the stock 11 which engages the bot
the shank, so that the anchor functions in the normal man
tom.
'
ner when the ?uke has penetrated the bottom.
It also will be seen in 1516858 and 9 that the ferrule
FIG. 5 shows a modi?cation inwhich the shank 35
73 extending about and supported for rotation on the
disposed in the normal relation to the head 7 and the
?uke 5 is elongated and provided with a transverse por 10 shank 6.5 is raised substantially above both of the above
mentioned joining lines ,by virtue of the heel extension 69.
tion 37 and the end 39 of which is bevelled or otherwise
The ferrule '73 is con?ned against axial movement on
formed to insure holding engagement with the bottom. '
the shank 65 by ‘washers '75 and cotter pins 77. The
The head 7 is provided vwith a heel 29 similar to that
ferrule 73 is provided with a ring or clevis 79 to which
of FIG. 1. The transverse portion 37 and the disposition
the anchor line 1'7 is secured. It will be understood that
of the heel 29 with respect to the shank dispose the shank
the turning moment which has been referred to in con
at one’ side of the line joining the remote end 39 and
nection with other embodiments described is provided in
the heel 29 to provide for a turning moment as de
the embodiment of FIGS. 8, 9 and 10 and that when the
scribed.
center 'of gravity of the system which includes the head 7,
A ferrule 41 is mounted on the shank 35 for rotation
the fluke 5, the shank 65 and stock 11 becomes disposed
thereon and is held against axial movement by washers
above the line joining the remote end 67 with the end '71
43 and cotter pins 45 extending through the shank 35.
of the stock, the system is in position to cause the fluke
The ferrule 41 carries an eye 47 to which the line 17 is
to'fall to the bottom upon slight further turning move
attached. in a manner similar to the action of the sleeve
ment in the same manner as described in connection with
19 the ferrule 41 in rotating on the shank 35 prevents
FIGS. 1 to 4, inclusive. Thus, it will be clear that a con
wrapping of the line '17 about the shank.
ventional anchor may be modi?ed very simply to accom
It will be understood that the form shown in FIG. 5
is merely indicative of possible modi?cations of the form
of the shank and its extension in order to accomplish
the purposes of the invention, the feature of the inven
plish the purposes of the invention by providing the strut
tion being provided for, namely, the offset of the point
like heel extension 69 and a long shank 65 to dispose the
remote point 67 at such a distance from the head 7 that
the pull of the anchor line 17 is applied at an offset point
of pull of the anchor line from the line joining the re—
so as to be effective to turn the anchor over.
As shown in FIG. 11, instead of a simple strut-like ex
mote end of the shank and the heel of the head and, as
tension 69, a curvilinear heel extension member 81 may
described in connection with FIG. 4, the turning over
be attached to the bottom portion of the head 7, this
movement of the anchor upon the line joining the remote
end 39 and the end 31 of the stock being secured, as well 35 member extending in curved outline from the head toward
and preferably to the shank 65. The‘curvilinear heel
as the further feature of the avoidance of entanglement
extension member 81 may be provided by a bent rod
of the line by virtue of rotating the ferrule 41.
suitably secured to the head 7 or, if desired, may be pro
In FIGS. 6 and 7 is shown a modi?cation of the sleeve
vided by a web or ?n having an exterior curvilinear out~
19 of FIGS. 1 and 2. In this modi?cation end members
line similar to that of the member 81, this web being suit
ably secured to the head and to the shank, for example by
welding. Having regard to the disclosure in connection
with FIGS. 8, 9 and 10, it will be understood that the
55 in the opposed faces thereof, these holes beingdisposed
member 81 resting upon the underwater bottom at some
in spaced relation about the axis of the shank extension.
Rods 57 have their respective ends inserted in the holes 45 point of contact of the curvilinear outline with the bottom
will raise the head 7 and the ferrule 73 and its clevis
55 of the members 51 and 53. There thus is provided
or ring ‘719v so that the turning moment wlil be produced
a cage of rods extending about the shank extension 13
and the anchor turned over in the sarne manner as de
providing an exterior contour capable of functioning sim~
scribed in connection with FIGS. 8, 9 and 10.
ilar to that of the sleeve 19. The member 53 disposed
In the embodiment of FIGS. 8 to 11, inclusive, the
adjacent the junction 21 carries a clevis 59 to which the
sleeve type of rotatable element carried by the shank and
anchor line 17 is attached. It will be understood that the
extending therealong as shown in FIGS. 1 and 2 or the
cage of rods 57 supported in the members 51, 53 for rota
51, 53 of cylindrical form are supported on and in spaced
relation along the shank extension 13 for rotation thereon.
The members 51, 53 are provided with a plurality of holes
tion on the shank extension 13 will serve to effect un
cage type as shown in FIGS. 6 and 7 may be used in place
?uke 5 are disposed further above the bottom than as
shown in FIGS. 1 and 3 ‘and that the'stock 11 extends
or penetrating the bottom when the anchor is disposed, as
of the ferrule 73, in order to prevent wrapping engagement
wrapping of the anchor line similarly to the sleeve 19
if the line becomes wrapped about the cage. The cage is 5,5 of the anchor line 17 with the portion of the shank 65
between the ring or clevis 79 and the bottom engaging re
held against axial movement by collars 61 secured to the
mote end 67 of the shank. The function of the ferrules
shank extension 13 by pins 63.
and the sleeves is the same as that described'in connection
In FIGS. 8, 9 and 10 is shown another modi?cation
with FIGS. 1 to 4, FIG. 5 and FIGS. 6 and 7.
of the anchor of the invention in which the head 7 and
FIG. 12 shows a modi?cation which utilizes a conven
the ?uke 5 carried thereby are of conventional form and 60
tional anchor having a ?uke 5, a head 7, a Stock 11, the
the shank 65 is engaged with the head in the conventional
shank 85 of the anchor in this embodiment being of
angular relation to the head and to the fluke. The anchor
channel section having two lengthwise side ?anges 87
in the embodiment of FIGS. 8, 9 and 10 provides a
connected by a web 89. The anchor is provided with a
shank which may be of conventional but elongated form
having at its end 67 remote from the head formed for 65 shank extension 13 of similar form to that shown in
FIG. 1, this shank extension having a portion 91 which is
engagement with the bottom, as described in connection
disposed in the channel of the shank 85 and is secured
with the other embodiments. In this embodiment a heel
by rivets or other fasteners 93 passing throughthe por
extension 69 in the form of a strut is suitably secured,
tion 91 and the ?anges '87 of the shank 65 of the anchor.
as by welding, to the heel portion of the head 7 and is
formed at its lower end for engagement with the bottom. 70 The shank extension 13, similarly to FIG. 1, has a portion
95 extending in angular relation to the portion 91 thereof
It will be seen that, with the lower end of the heel ex
to a remote end 97 which is bevelled to promote engaging
tension 69 resting on the bottom, the head 7 and the
in FIG. 12, with the ?uke 5 upward.
from the head to its end in engagement with the bottom 75 Similarly to the embodiment of FIG. 1, a sleeve 99 is
73,040,692
7
8
carried for rotation on the angular portion 95 of the
nected to said shank at an end thereof, a ?uke carried
shank extension, this sleeve being held in place by collars
109 secured by pins 102 passing through- the portion 95
of the shankextension 13. When the anchor is disposed
at an end thereof by said head, said ?uke being disposed
with the width of the ?uke transverse to the length
of ‘the shank and with the length of the ?uke from the
in anchoring position in which the end 97 of the shank
head extending generally along the shank in the direction
extension 95 is not in engagement with the bottom and
from said head toward the end of the shank remote
projects upwardly ?rom the bottom, if the anchor line
from the head, a stock carried by said head and extending
becomes wrapped about the sleeve 99 rotationof this
at either side of the head transversely of said shank
sleeve on the portion 95 of the shank extension will be
generally parallel to the Width of the ?uke, said shank
produced in the same manner as described in connection 10 at said remote end thereof being formed for engaging
with FIGS. 1 and 2 and PEG.‘ 6 to unwrap the anchor
the ‘underwater bottom to resist movement of said re—
line from the sleeve. The embodiment of FIG. 12. makes
‘ mote end of the shank over the bottom, said shank hav
it possible to utilize a commercially available anchor
ing a portion intermediate said head and said remote
and to provide the features, of the invention by combin
end which is offset toward the side of the shank at which
ing with this conventional anchor a shank extension of
said ?uke is disposed with respect to a line joining said
angular form which may be secured in the shank of the
remote end of the shank and the part of the head which
conventional anchor in the manner which has been de
rests on the underwater bottom when said ?uke is dis
scribed in connection with FIG. 12, or in other suitable
posed above said head, and means carried by said offset
manner.
'
portion of said shank for engaging the anchor line to
Although the invention has been described in connec 20 apply the pull of the line at a point on said offset por
tion with an anchor having a ?uke ?xed with respect
' tion so ‘as to provide a turning moment to turn the
to the .head and the shank, within the scope of the in
anchor over upon a line joining said remote end of the
vention the ?uke may be pivotally supported on the head
shank and the end of the stock to position the ?uke
after the manner of certain conventional anchors, so as’
to move from a position at one side of the shank to a 25
downwardly. ,
.
2. An anchor as de?ned in claim 1 in which said ?uke
is ?xed to said head with said length of the ?uke extend
position at the other side of the shank for the purpose
of bringing the point of the ?uke down into engagement
with the underwater bottom in whatever position the
anchor may take in falling to the bottom. If an anchor
ing in inclined relation to the shank outwardly of the
embodying the features of the invention but provided
with such a pivoted fluke becomes disposed, for example,
in the position of FIGS. 1 to 4, inclusive, in which, if
the fluke were ?xed, it would be upwardly disposed above
the bottom, the pivoted ?uke might fall so as to lie
along the bottom’ without being disposed at such an angle 35
to the line of pull of the anchor line at the o?'set point
3. An anchor asde?ned in claim 1' in which said
means carried by said shank for ‘engaging the anchor
line is supported on said shank for rotation thereof rela
tive to and about said shank on an axis extending along
said shank to provide for rotation of said point of pull
about said shank.
point of pull from the line joining the remote end
point of pull intermediate said head and said remote
shank in the direction from the head toward said re
mote end of the shank.
4. An anchor as de?ned in claim 1 in which said means
of pull as to tend to secure engagement of the point
for engaging said anchor line comprises an element ex
of the ?uke or penetration thereof in the bottom. The
tending about and supported by said shank for rotation
provision of a shank structure, suchtas has been de
thereof on and relative to said shank on an axis ex
scribed above, which secures the offset of the point of 40 tending along said shank to provide for rotation of said
pull from the line joining the remote end of the shank
point of pull about said shank, said element being formed
extension to the heel of the head and the offset of .this
and being disposed on said shank so as to dispose said
of the shank extension to the'end of the stock will de~
end of said shank and in said offset relation to said line
velop a turning moment in the same manner, as described 45 joining said remote end of the shank and said part of
in connection with the several embodiments, for turn
the head which rests on the underwater bottom.
ing the anchor over to the position in which the shank
‘ 5. An anchor as de?ned in claim 1 in which said shank
> extension projects upwardly from the bottom at an angle
is formed with a ?rst portion extending from said head
to the portion of the shank to which the head is se
to a junction with a second portion of said shank, said
cured. It will be understood that in such turning over 50 second portion extending beyond said ?rst portion to said
movement a pivoted ?uke again will fall to the bottom
remote end of said shank and at an angle to said ?rst por
at the opposite side of the shank from the angular ex
tion so as to dispose said remote end at the side of said
tension thereof and so be in position to engage the bot
?rst portion of said shank opposite to said ?uke, said
tom in the normal manner of the conventional anchor
means for engaging said anchor line being disposed ad
provided with the pivoted ?uke when the pull of the 55 jacent said junction of said two portions of the shank so
line is exerted adjacent the junction between the normal
shank and the shank extension as above described. In
such an anchor utilizing a pivoted ?uke the ferrule or
sleeve also will function as above described to limit or
prevent entanglement of the anchor line.
_
Within the scope of the invention other modi?cations
' of theform of the shank and its extension, the head, the
heel portion and its extension and of the ferrules and
the sleeves may be made while securing the requisite dis
that said point of pull of the anchor line is offset from
said line joining said remote end of the shank and said
part of the head which rests on the underwater bottom.
6. An anchor as de?ned in claim 5 in which said means
60 carried by said shank for engaging the anchor line com
prises members spaced along and each extending about
said second portion of said shank and supported thereon
for rotation on a common axis extending along said
second portion of said shank, said members respectively
position of the point of pull of the anchor line‘inter 65 being disposed adjacent said junctionlof said two portions
mediate between the remote end of the shank or its ex
of said shank and adjacent said remote end of said shank,
tension in engagement with the underwater bottom and
a plurality of rods extending along and spaced about
the heel of the head and the turning moment developed
said second portion of said shank and rigidly connected
by virtue of the onset of the point of pull relative to this
to said members at the respective ends of the rods, and
line as well as relative to the line joining the remote end 70 means carried by the assembly of said members and rods
of the shank or its extension and the end of the stock
and disposed thereon toward said junction of said two
at one side of the head. All such variations are intended
portions of said shank for securing the anchor line to
to come within the scope of the appended claims.
I claim:
'
'
said assembly.
7. An anchor as de?ned in claim 1 in which said means
1. An anchor having an elongated shank, a head con 76 carried by said shank for engaging the anchor line com
3,040,692
18
prises members spaced along and each extending about
said shank and supported thereon for rotation on a com
mon axis extending along the shank, a plurality of rods
extending along and spaced about said shank and rigidly
connected to said members at the respective ends of the
rods, and means carried by the assembly ‘of said members
and rods and disposed on said assembly toward said head
extending generally along the shank in the direction from
said head toward the end of the shank opposite to the
head, and a stock carried by said head and extending at
‘either side of the head transversely of the shank generally
parallel to the Width of the ?uke, the combination with
said shank of a shank extension having a ?rst elongated
portion extending along and secured to said shank of said
anchor and having a second elongated portion extending
with respect to said remote end of said shank and inter
at an angle to said ?rst portion, said-?rst portion being
mediate said remote end and said head for securing the
anchor line to said assembly.
10 secured to said shank of said anchor so as to dispose
said second portion of said shank extension extending
8. An anchor as de?ned in claim 1 in which said shank
from the end of said shank opposite to said head out
is formed with a ?rst portion extending from said head
wardly at the side of said shank opposite to that at which
to a junction with a second portion of said shank, said
said ?uke is disposed, the remote end of said second por
second portion extending beyond said ?rst portion‘ to
said remote end of said shank and at an angle to said 15 tion of said shank extension being formed for engaging
the underwater bottom to resist movement of said remote
?rst portion so as to dispose said remote end at the side
end of the shank over the bottom, and means carried by
of said ?rst portion of said shank opposite to said ?uke,
said shank extension for engaging the anchor line and
said means for engaging said anchor line comprising an
element extending about and supported by said second
disposed adjacent the junction of said ?rst and second
portion of said shank for rotation of said element on and 20 portions of said shank extension so as to apply the pull of
the line at a point intermediate said head and said remote
relative to said second portion on an axis extending along
end of the shank extension, said two angularly related
said second portion, and means carried by said element
portions of said shank extension disposing said point of
for connecting the anchor line thereto.
pull oliset toward the side of the shank at which said
9. An anchor as de?ned in claim 8 in which said ele
ment extends about and along said second portion of said 25 ?uke is disposed with respect to a line joining said re
mote end of said shank extension and the part of the head
shank substantially from said junction to said remote end
which rests on the ‘underwater ‘bottom when said ?uke
of the shank to prevent wrapping engagement of the
is disposed above said head to provide a turning moment
anchor line with said second portion of said shank and
under the pull of the anchor line to turn the anchor over
to provide for unwrapping the anchor line from said ele
ment upon rotation thereof under the pull of the anchor 30 upon a line joining said remote end of the shank exten
sion and the end of said stock to the position with said 7
line.
10. An anchor having an elongated shank, a head con
?uke downward.
13. A shank extension for an anchor having an elon
nected to said shank at an end thereof, a ?uke tapering
gated shank, a head connected to said shank at an end
along its length toward an end thereof and carried ‘by
said head, ‘said ?uke being disposed with the width of the 35 thereof, a fluke carried at an end thereof by said head,
said ?ukebeing disposed with the width of the ?uke trans
fluke transverse to the length of the shank and with the
verse to the length of ‘the shank and with the length of
length of the fluke from the head toward said end of the
the ?uke from said head extending generally along the
?uke extending generally along the shank in the direction
shank in the direction from said head toward the end '
from said head toward the end of the shank remote from
of the shank opposite to the head, and a stock carried
the head, a stock carried by said head and extending at
by said head and extending at either side of the'head
either side of the head transversely of said shank generally
transversely of said shank generally parallel to the width‘
parallel to the width of the fluke, said shank at said re
of the fluke, said shank extension having a ?rst elongated
mote end thereof being formed for engaging the under
portion adapted to extend along said shank and to be
water bottom to resist movement of said remote end of
- the shank over the bottom, a heel extension carried by 45 secured thereto, said shank extension having a second .
and extending from said head at the opposite side of said
head from said ?uke and providing for engagement with
the underwater bottom when said ?uke is disposed above
elongated portion extending in angular relation to said
?rst portion such that said second portion extends out-.
wardly from said shank of said anchor at the side of said
shank opposite to that at which the ?uke is disposed when
said head, the length of said heel extension being sun cient to raise above the bottom a portion of said shank 50 said ?rst portion of said shank extension is secured to
disposed toward said head with respect to said remote end
of the shank when said ?uke is disposed above said head,
and means carried by said portion of the shank for engag
ing the anchor line to apply the pull of the line at a point
said shank of said anchor, said shank extension carrying
means forgengaging the anchor line disposed adjacent the
junction of said ?rst and second portions of said shank
extension so as to apply the pull of the line at a'point
intermediate said head and said remote end of said shank, 55 intermediate said head and the remote end of said shank
extension when said shank extension is secured to said
said means being offset toward the side of the shank at
shank, said two angularly related portions of said shank
which said ?uke is disposed with respect to a line joining‘
extension when said shank extension is secured to said
said remote end of the shank and the point of contact of
shank disposing the point of pull offset toward the side
said heel extension of the head with the underwater bot
of the shank at which said ?uke is disposed with respect
tom and so as to provide a turning moment under the
to a line joining said remote end of said shank extension
pull of the anchor line to turn the anchor over upon av
and the part of the head‘ of said anchor which rests on
line joining said remote end of the shank and the end of
the underwater bottom when said ?uke is disposed above
said stock engaging the bottom to the position of Said
said head to provide a turning moment under the pull of
anchor with said fluke downward.
.
11. An anchor as de?ned in claim 10 in which said 65 the anchor line to turn the anchor over upon a line join
ing said remote end of said shank extension and the end
heel extension provides a curvilinear surface extending
of said stock to a position with said ?uke downward.
from said head substantially to said shank at a point re
’ 14. A shank extension as de?ned in claim 13 which
moved from said head so as to prevent entanglement of
comprises an element extending about and supported by
said anchor line with said heel extension.
70
said second portion of said shank extension for rotation
12. In an anchor having an elongated shank, a head
of said element on and relative to saidsecond portion on
connected to said shank at an end thereof, a fluke carried
an axis extending along said second portion, said means
‘at an end thereof by said head, said ?uke being disposed
for engaging said anchor line being carried by said ele
with the width of the ?uke transverse to the length of
the shank and with the length of the ?uke from the head 75 ment adjacent said junction of said two portions of said
8,040,692
1 1"
shank’ extension so as to dispose said point of- pull of said
i
12
References Cited in the ?le of this patent
anchorrline with substantial o?set with respect to_ said
UNITED STATES PATENTS
line joining said remote 'end of the shank extension and
'd '
?lm?
t
f said he (I ‘which
o
a
‘
ests on the underwate
I
, r
.
r
5
V
‘
2,075,827
Northrop et a1. , ______ __ Apr. 6, 1937
2,856,882
Raynor _______ __~ _____ __ Oct. 21, 1958
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