EP0352395B1 - Schiffsanker mit Mitteln zum Lösen des Ankers - Google Patents

Schiffsanker mit Mitteln zum Lösen des Ankers Download PDF

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Publication number
EP0352395B1
EP0352395B1 EP88460015A EP88460015A EP0352395B1 EP 0352395 B1 EP0352395 B1 EP 0352395B1 EP 88460015 A EP88460015 A EP 88460015A EP 88460015 A EP88460015 A EP 88460015A EP 0352395 B1 EP0352395 B1 EP 0352395B1
Authority
EP
European Patent Office
Prior art keywords
pins
rod
anchor
flukes
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88460015A
Other languages
English (en)
French (fr)
Other versions
EP0352395A1 (de
Inventor
Claude Piton
Jacqueline Piton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0352395A1 publication Critical patent/EP0352395A1/de
Application granted granted Critical
Publication of EP0352395B1 publication Critical patent/EP0352395B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24—Anchors
    • B63B21/38—Anchors pivoting when in use
    • B63B21/44—Anchors pivoting when in use with two or more flukes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/22—Handling or lashing of anchors

Definitions

  • the present invention relates to a marine anchor provided with anchoring means and, more particularly, such an anchor whose rod is pivotally mounted between two symmetrical legs, within the limits of a certain angle on either side of said legs.
  • such an anchor comprises a straight rod with hooking means for a chain or rope at one end and a hole near its other end. In the hole, passes a transverse axis welded on each side of the penis to a tab whose front part is pointed.
  • the two legs are symmetrical and, most often, flat. They are directed towards the end of the penis comprising the attachment means.
  • a stop is provided to limit the pivoting of the rod relative to the transverse axis, so that the rod is angularly free on either side of the legs, within the limits of an acute angle, generally close to 30 °.
  • the tabs also have transverse projections or flaps on their two faces to prevent them from landing flat on the bottom and thus predispose their point to depression.
  • Such an anchor is particularly effective on sandy or muddy bottoms, but it is not uncommon for it to catch on, when the legs penetrate, for example, into a rock hole. It sometimes happens that it is very difficult, if not impossible, to raise the anchor.
  • An anchor with such a means is described in document FR-A-2350244.
  • the anchor includes a head pivotally mounted on a primary shaft.
  • a secondary shaft, comprising a stop to limit the pivoting of the head is also pivotally mounted on the primary shaft.
  • a locking means prevents the secondary shaft from pivoting relative to the primary shaft.
  • the means for blocking the pivoting of the secondary shaft is unlocked and the stop is released.
  • An object of the present invention is to provide an anchor, provided with an anchoring means, which is simple, effective and easy to use.
  • the anchor comprises two symmetrical legs each provided with a pair of symmetrical flaps and, between said legs, a rod capable of pivoting about a transverse axis joining the two legs so as to form relative to said axis a front arm and a rear arm, the free end of the rear arm carrying transverse lugs, an oblong slot being provided in the rod, along its longitudinal axis, for the passage of the axis joining the legs, a lug coming in abutment against the flaps of the legs when the axis is in the rear part of the light, the pins being released from said flaps when the axis is in the front part of the light, the light having the general shape of an isosceles trapezoid the axis of symmetry of which coincides with the longitudinal axis of the penis, the large base being towards the front, and elastic or breakable stops being provided for, under conditions normal, limit the movements of the pins when they are released from said flaps.
  • the elastically retractable stops are formed by wires in the form of a pin, a first strand of which is welded to a tab and the second strand of which forms a stop between the two legs.
  • the first strand of each pin is welded to two flaps arranged symmetrically on either side of each tab, in their inner rear corner.
  • the first strands of the two pins form a passage which limits the transverse play of said rear arm of the rod and maintains the latter in the active zone of the stops.
  • the breakable stops are plates extending a part of the flap towards the rear.
  • the anchor of the invention comprises a rod 1, one end of which, which will be considered as the front end, has a hole 2 in which is threaded a hooking means (not shown), such as a ring for attaching a chain or rope. Near its rear end, Fig. 2, the rod 1 is pierced with a transverse hole 3 in which a transverse axis 4 passes. With respect to the axis 4, the rod 1 therefore breaks down into a front arm 1A and a rear arm 1B, very short.
  • the axis 4 is welded to a tab 5.
  • the spacing between the two legs 5 is only slightly greater than the thickness of the rod.
  • the legs 5 are coplanar and symmetrical. They are pointed at the front, widen towards the rear over about two thirds of their length, then narrow to their rear edge which is parallel to the axis 4.
  • Their internal longitudinal side is straight and their longitudinal outer side is a line broken into two segments. The internal sides of the two legs are divergent towards the front.
  • the two legs 5 In their rear corner next to the penis, the two legs 5 have a substantially square notch whose front side is located slightly behind the axis 4. The length of the sides of these notches is substantially equal to one third of the largest width of the legs 5.
  • each notch two rectangular plates or flaps 6 are welded towards the rear, the width of the notches.
  • the flaps 6 of each tab 5 are symmetrical with respect to the plane of the latter and form between them an angle of approximately 90 °. The value of this angle is, of course, only given as an indication, and it can be significantly different.
  • the main function of the flaps 6 is to tilt the legs of the anchor on the bottom to predispose them to sinking.
  • a hard but elastic steel wire is welded in the form of a pin 7.
  • a strand 8 of the pin 7 is welded at one end to the face of the bottom flap 6, near its internal edge and rises up to at the internal end of the rear edge of the top flap 6 which faces it.
  • the elbow of the pin 7 is directed outward, that is to say to the right.
  • the second strand 9 of the pin 7 returns obliquely inward, that is to say to the left. It descends under the end of the first strand 8, offset backwards, then under the arm 1B of the rod 1, between the two legs 5.
  • the second strand 9 comprises a substantially rectilinear part 10 with a steep slope, then, before passing under the penis, a second rectilinear part 11 whose slope is markedly attenuated.
  • This second part 11 forms a low stop, looking at FIG. 3, for the rear arm 1B of the rod 1.
  • the tab 5 on the other side has an identical pin, but oriented in reverse, to form a stop 11 in the other direction, above the rear arm 1B .
  • the first strands 8 of the two pins 7, FIG. 3, form a corridor which limits the transverse play of the rear arm 1B and therefore keeps it in the zone of action of the stops 11.
  • the elbows of the pins 7 may have one or more windings so as to lengthen the wire and obtain the desired elasticity towards the ends of the strands 9.
  • the rod 1 makes an angle of about 30 ° with the legs 5 when it is in contact with one of the stops 11.
  • the boat's tensile force on the anchor is substantially in the direction of the rod 1. Even if this force is significant, the resulting force of the rear arm 1B on the active stop 11 is weak. An effective anchoring is therefore ensured.
  • said clamp is formed of a relatively long handle, with, near one end, two fingers perpendicular to said handle and parallel to each other, the spacing of which is slightly greater than the diameter of the wire of the pin.
  • connection is a rear hoop 12, FIGS. 1 and 2, made of rigid steel wire, the ends of the branches of which are welded respectively to the rear parts of the two legs 5.
  • the arch 12 passes beyond the free end of the rear arm 1B of the rod 1 so as not to impede its pivoting. For reasons of clarity, the arch 12 has not been shown in FIG. 3.
  • the roll bar 12 also serves as a handle for handling the anchor and, optionally, as an attachment point on board.
  • the anchor of Figs. 4 to 6 includes all the elements of the anchor previously described, the reference numerals used being to designate the same elements respectively assigned a single accent, that is to say that it comprises a rod 1 ′ forming two arms 1′A and 1′B on either side of a transverse hole 3 ′ through which passes an axis 4 ′ joining two coplanar legs 5 ′, the rear sides of which are respectively provided with flaps 6 ′ to which wires are welded in the form of a pin 7 ′ forming elastic stops to limit the pivoting of the rod 1 ′.
  • the hole 3 ′ is an oblong light, in the shape of an isosceles trapezoid, whose axis of symmetry X′-X ′ is coincident with the longitudinal axis of the rod 1 ′ and whose large base is at the front.
  • the axis 4 ′ joining the legs 5 ′ can move appreciably back and forth and vice versa, hence a possibility of relative longitudinal movement of the rod 1 ′ with respect to the legs 5 ′ .
  • the rear arm 1′B of the rod 1 ′ has on its lateral faces two lugs 13 ′ symmetrical.
  • the pins 13 ′ are cylindrical.
  • the position of the lugs 13 ′ on the arm 1′B is such that they each bear against a bar 14 ′ near the lower end, FIG. 4, when the axis 4 ′ is in the rear part of the light 3 ′ and the arm 1′B rests on the wire part 11 ′ on the same side of one of the two pins 7 ′. So when the axis 4 ′ is in the front part of the light 3 ′, Fig. 5, the pins 13 ′ have protruded behind the end of the bar 14 ′ as well as said portion 11 ′ of pin 7 ′.
  • the anchor arriving on the bottom and subjected to a forward traction on the rod 1 ′, according to arrow F′1, is in the situation of FIG. 4: the axis 4 ′ is in the rear part of the light 3 ′, in abutment against the rear side of the latter, and the pins 13 ′ are in abutment against the bars 14 ′, very close to their lower ends.
  • the rod 1 ′ under the effect of its weight, undergoes two movements: on the one hand a pivoting of the front arm downwards and, on the other hand, a sliding backwards until that the axis 4 ′ is in abutment against the front side of the light 3 ′.
  • the pins 13 ′ are then released relative to the stop 14 ′. If, again, a forward pull is exerted on the rod 1 ′, the reverse movement occurs, that is to say that, simultaneously, the rod 1 ′ advances until the axis 4 ′ Is in abutment against the rear side of the light 3 ′ and the front arm 1′A is raised.
  • the part 11 ′ of the pin 7 ′ guides the rear arm 1′B of the rod 1 ′ so that the lugs meet against the end of the bar 14 ′ when the axis 4 ′ is in abutment with the back of light 3 ′.
  • the traction F′2 at the front end of the rod 1 ′ is vertical, FIG. 5. If the anchor is normally buried in the sand or in the mud, it is simply released under the effect of said traction. If it is hung, under a rock for example, it becomes necessary, firstly, to release, if necessary, the pins 13 ′ from the stops 14 ′. For this, from a vertical position, we give slack at the end of the rod 1 ′. This, as explained above, then pivots and slides simultaneously until the axis 4 ′ is in abutment at the front of the lumen 3 ′, the pins 13 ′ thus being released from the abutments 14 ′.
  • the anchor of Figs. 7 to 9 also includes elements of the anchors described above, the reference numbers of the same elements being respectively assigned a double accent, that is to say that it comprises a rod 1 ⁇ forming two arms 1 ⁇ A and 1 ⁇ B on either side of a transverse hole 3 ⁇ through which passes an axis 4 ⁇ joining two coplanar legs 5 ⁇ , the rear sides of which are respectively provided with flaps 6 ⁇ .
  • the hole 3 ⁇ has the same oblong shape as the hole 3 ′ and the axis 4 ⁇ can move there in the same way as the axis 4 ′ in the hole 3 ′ of the anchor previously described.
  • the rear arm 1 ⁇ B has at its free end two pins 13 ⁇ , similar to the pins 13 ′.
  • the back of at least one is provided with a plate 15 ⁇ which extends it over a short length.
  • the plate 15 ⁇ must occupy laterally, on the back of a flap 6 ⁇ , a place which allows it to angularly limit the movement of the pins 13 ⁇ in one direction.
  • the anchor arriving at the bottom and subjected to a forward traction of the rod 1 ⁇ is in the situation of FIG. 7: the axis 4 ⁇ is in the rear part of the light 3 ⁇ , in abutment against the rear side of the latter, and the pins 13 ⁇ are respectively in abutment against the internal faces of two flaps 6 ⁇ being in a same plane and respectively associated with the legs 5 ⁇ .
  • the rod 1 ⁇ under the effect of its weight, undergoes two movements: on the one hand, a pivoting of the front arm 1 ⁇ A downwards and, on the other hand, a sliding towards the rear until the axis 4 ⁇ is in abutment against the front side of the light 3 ⁇ .
  • the pins 13 ⁇ then take a position close to that which is shown in FIG. 8. If, again, a forward pull is exerted on the rod 1 ⁇ , the reverse movement occurs, and we find the position of FIG. 7.
  • the anchor of the invention is very safe and very effective. It is very easy and safe to use. Finally, note that in the variant shown in Figs. 7 to 9, the means used are extremely simple.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Piles And Underground Anchors (AREA)
  • Buckles (AREA)

Claims (5)

1. Schiffsanker mit Mitteln zum Lösen des Ankers mit zwei symmetrischen Ankerhänden (5˝), von denen jede mit einem Paar von symmetrischen Schaufeln (6˝) versehen ist, wobei zwischen den Ankerhänden (5˝) ein Schaft (1˝) um eine quer verlaufende, die beiden Ankerhände (5˝) verbindende Welle (4˝) derart drehbar gelagert ist, daß er relativ zu der Well (4˝) einen vorderen Arm (1˝A) und einen hinteren Arm (1˝B) bildet, wobei das freie Ende des hinteren Armes (1˝B) zwei quer gerichtete Sporne (13˝) trägt, dadurch gekennzeichnet, daß in dem Schaft entlang seiner Längsachse eine längliche Öffnung (3˝) zum Durchtritt der die Ankerhände (5˝) verbindenden Welle (4˝) vorgesehen ist daß die Sporne (13˝) an die Schaufeln (6˝) der Ankerhände anstoßen, wenn sich die Welle (4˝) in dem hinteren Teil der Öffnung (3˝) befindet, daß die Sporne (13˝) von den Schaufeln freikommen, wenn die Welle (4˝) sich in dem vor deren Teil der Öffnung (3˝) befindet, daß die Öffnung die allgemeine Form eines gleichschenkligen Trapez hat, dessen Symmetrieachse mit der Längsachse des Schaftes (1˝) zusammenfällt, daß die lange Basis sich am hinteren Teil befindet und daß elastische oder abbrechbare Widerlager vorgesehen sind, um unter normalen Bedingungen die Bewegung der Sporne (13˝) zu gebrenzen, wenn sie von den Schaufeln (6˝) freikommen.
2. Schiffsanker nach Anspruch 1, dadurch gekennzeichnet, daß die elastisch nachgiebigen Widerlager durch Drähte (7′) in Form einer Haarnadel gebildet sind, dren erster Schenkel (8) mit einer Ankerhand (5˝) verschweißt ist und deren zweiter Schenkel (9) ein Widerlager (11˝) zwischen den Ankerhänden (5˝) bildet.
3. Schiffsanker nach Anspruch 2, dadurch gekennzeichnet, daß der erste Schenkel (8) jeder Haarnadel (7′) mit zwei Schaufeln (6˝) verschweißt ist, die symmetrisch zu beiden Seiten jeder Ankerhand (5˝) in ihrer hinteren inneren Ecke liegen.
4. Schiffsanker nach Anspruch 3, dadurch gekennzeichnet, daß die ersten Schenkel (8) der beiden Haarnadeln (7′) einen Durchtritt bilden, der das Spiel des hinteren Armes (1˝B) des Schaftes (1˝) in Querrichtung begrenzt und diesen in dem aktiven Bereich der Widerlager halten.
5. Schiffsanker nach Anspruch 1, dadurch gekennzeichnet, daß die abbrechbaren Widerläger kleine Platten (15˝) sind, die einen Teil der Schaufel zum hinteren Ende hin verlängern.
EP88460015A 1987-06-25 1988-07-26 Schiffsanker mit Mitteln zum Lösen des Ankers Expired - Lifetime EP0352395B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8709105A FR2617114A1 (fr) 1987-06-25 1987-06-25 Ancre marine pourvue de moyens de desancrage

Publications (2)

Publication Number Publication Date
EP0352395A1 EP0352395A1 (de) 1990-01-31
EP0352395B1 true EP0352395B1 (de) 1991-11-27

Family

ID=9352600

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88460015A Expired - Lifetime EP0352395B1 (de) 1987-06-25 1988-07-26 Schiffsanker mit Mitteln zum Lösen des Ankers

Country Status (4)

Country Link
EP (1) EP0352395B1 (de)
DE (1) DE3866546D1 (de)
ES (1) ES2028352T3 (de)
FR (1) FR2617114A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702190A1 (fr) * 1993-03-02 1994-09-09 Provost Jean Claude Perfectionnement d'une ancre plate.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1080883A (fr) * 1953-06-10 1954-12-14 Claude Bonnet & Fils Perfectionnements aux ancres marines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2415605A (en) * 1946-10-28 1947-02-11 Roy E Newby Releasable fluke anchor
US2511286A (en) * 1947-01-29 1950-06-13 Lincoln H Millen Anchor with releasable pivoted flukes
FR1080833A (fr) * 1952-06-05 1954-12-14 Schwarz Kg Hermann étançon de mine formé de deux éléments
AU497580B2 (en) * 1975-07-28 1978-12-21 Miller, Frank Anchor
US4369727A (en) * 1980-11-17 1983-01-25 Rudolph Fasco Anchor
FI65956C (fi) * 1983-01-21 1984-08-10 Teraes Slagi Ky Ankar
GB8330876D0 (en) * 1983-11-18 1983-12-29 Woodgate B F Anchor
US4655158A (en) * 1985-02-19 1987-04-07 Larry Holder Boat anchor including releasable coupling means

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1080883A (fr) * 1953-06-10 1954-12-14 Claude Bonnet & Fils Perfectionnements aux ancres marines

Also Published As

Publication number Publication date
DE3866546D1 (de) 1992-01-09
FR2617114A1 (fr) 1988-12-30
ES2028352T3 (es) 1992-07-01
EP0352395A1 (de) 1990-01-31

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