US2526348A - Pickup hook for flying boats - Google Patents

Pickup hook for flying boats Download PDF

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Publication number
US2526348A
US2526348A US707927A US70792746A US2526348A US 2526348 A US2526348 A US 2526348A US 707927 A US707927 A US 707927A US 70792746 A US70792746 A US 70792746A US 2526348 A US2526348 A US 2526348A
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hook
cable
hull
boat
flying
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US707927A
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Gouge Arthur
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SAUNDERS ROE Ltd
SAUNDERS-ROE Ltd
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SAUNDERS ROE Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C35/00Flying-boats; Seaplanes
    • B64C35/005Flying-boats; Seaplanes with propellers, rudders or brakes acting in the water

Description

Oct. 17, 1950 A. GOUGE PICKUP HOOK FOR FLYING BOATS 2 Sheets-Sheet, 1

Filed Nov. 5, 1946 Oct. 17, 1950 A. GOUGE PICKUP HOOK FOR FLYING BOATS 2 Sheets-Sheet 2 Filed Nov. 5, 1946 Patented Oct. 17, 1950 S PATENT 7 OFFICE PICKUP HOOK FOR FLYING BOATS Arthur Gouge, Isle-of-Wight, England, assignor to Saunders-Roe Limited, Isle-of-Wight, England Application November 5, 1946, Serial No. 707,927 In Great Britain November 16, 1945 3 Claims.

. a flying boat base comprising a dock on the shore of a landing stretch of Water, a breakwater located oflshore from the clock, a pick-up cable or the like extending between the breakwater and the dock, the cable having stops at suitable spaced intervals to cooperate with a hook or like pick-up device mounted at or near the bow of the flying boat and a winch or the equivalent for towing the engaged flying boat into the dock.

According to this scheme, it is anticipated that the flying boat, after alighting on the stretch of water, should taxi up to the cable and pick it up by means of a hook located at the bow of the boat, whereaiter the tail is drawn into alignment with the cable by means of a subsidiary cable taken out to the flying boat by means of a dinghy and operated by a winch either on the breakwater or on the dock as may be most convenient having regard to the attitude of the fiying boat.

According to the present invention a flying boat is provided with two pick-up hooks, one at the bow and the other near the tail. This enables the nose of the boat to be attached to the cable as before, by means of the bow hook, whereupon the boat is manoeuvred by difierential operation of its engines so as to bring the tail alongside the 4 cable, and the tail hook then engaged to hold the boat in alignment with the cable and allow it to be safely and effectively drawn into the dock, or alternatively moored in the fairway by a stationary mooring cable.

The hook at the bows may be of the construction described in U. S. Patent No. 2,447,945, but should preferably have a swivelling attachment to the hull. It may, however, be a manually operated hook, instead of engaging the cable automatically as the flying boat moves up to the cable. The mouth of the tail hook should face laterally to engage the cable as the tail swings round towards the cable. It may be of similar construction to that in U. S. Patent No. 2,447,945, or may be manually operable to engage the cable. It is preferably fitted near the rear step and rotatable in relation to the hull, so as to enable the mouth of the hook to be directed either to port or to starboard as may be needed.

Both hooks are preferably so designed that they are retractable into the hull and arranged to cast off the cable during the initial stage of retraction.

The invention will now be described in greater detail with reference to the accompanying drawings, in which- Figs. 1-3 are plan views showing successive stages in the engagement of the flying boat with the cable,

Fig. 4 is a side elevation of the flying boat, showing the same engaged with the cable, and

Fig. 5 is a vertical section through one form of mooring hook.

In Fig. 1 the flying boat I0 is shown taxying along the water and approaching a mooring cable H supported at or near the water level by floats l2. The flying boat has a bow hook l4 and a tail hook l5, the latter being disposed near the rear step l3. After engagement of the bow hook with the cable, the flying boat is manoeuvred, by clif ferential operation of its engines, to swing the tail towards the cable as indicated by the arrow in Fig. 2. The tail hook is then engaged, as indicated in Fig. 3 to hold the moored boat in alignment with the cable.

In Fig. 5 is shown one form of mooring hook which may be used both for the bow and for the tail hook. The hook M is pivoted at I6 to a downward extension II! of a bell member [1, mounted to rotate on a ball bearing E8 in the upper end of a casing 19 fixed in the hull 2B of the boat. In the bell member H is fitted a ball 2|, through which extends an operating rod 22. This is connected by a link 23 to a handle 24 pivoted at 25 to an upward extension 26 of the bell member l1. Pivotal movement of the hand1e'24 is therefore eflective to produce axial movement of the rod 22 and therefore pivotal movement, about a pivot 21, of a lever 28 connected to the lower end of the rod 22. A pin 40 on the lever 28 couples said lever to a companion toggle lever 4! which is pivoted at 42 to the hook M3. The pin 42 engages a slot 43 in a link 29, pivoted at 44 to a catch 39, pivoted at 45 to'the hook M.

The hook retracting mechanism is described in detail in U. S. Patent No. 2,447,945, and it will be sufiicient here to state that clockwise movementof lever 28 is first effective, by breaking the toggle, to cause a partial anti-clockwise rotation of the hook l4 about its pivot l6 and also to displace, through the action of the pin Ali on the link 29, the catch 38 from the position illustrated, in which it is held by a spring 3!. This opens the mouth of the hook to permit the cable I I to become disengaged therefrom. Continued clockwise movement of lever 28 causes the lever 4| to further rotate the hook l4 anti-clockwise about its pivot [6, thereby casting off the cable and retracting the hook into the hull. When the hook is fully retracted, a plate 32 closes the opening 33 in the hull- By using the handle 24 as a tiller,

the bell member H can be swivelled to alter the orientation of the hook in relation to the hull. The hook can moreover, when engaged by the cable, swivel freely in relation to the hull as may be required by the pull of the cable. Thus, when it is used as a bow hook, it can swivel as the boat moves from the position of Fig. 2 to that of Fig. 3.

What I claim as my invention and desire to secure by Letters Patent is:

1. A flying boat comprising a hull, a casing fitted in the bottom of the hull near the bow thereof, said casing being open at the bottom, a pick-up hook for automatically engaging and holding a mooring cable, a structure supporting said pick-up hook and mounted in said casing for rotation about a vertical axis, said pick-up hook being mounted on the structure for pivotal movement about a horizontal axis, a member operable from within the interior of the hull to efiect pivotal movement of said pick-up hook in relation to said structure from a retracted position, in which said hook is retracted within the casing, to a projected position in which said hook projects beneath the hull, and a second pick-up hook near the stern of the hull, said second pickup hook being adapted, when approached to a mooring cable, to automatically engage and hold said cable.

2. A flying boat, comprising a hull, a pick-up hook mounted in said hull at the bow thereof and comprising a catch in the mouth of the hook and a spring normally maintaining said catch in position to close the mouth of the hook, said catch being adapted, when said hook is approached to a cable near the surface of the water to be displaced against said spring by said cable to allow the cable to enter the hook and thereafter to be returned by said spring to, and maintained by said spring in, position to trap said cable in said hook, said bow-pick-up hook being rotatable in relation to said hull about a substantially vertical axis so that said hull may swing in relation to said hook when engaged with said cable, and a second pick-up hook mounted in said hull near the stern thereof, said second pick-up hook comprising a catch in the mouth of the hook and a spring normally maintaining said catch in position to close the mouth of said hook, said catch being adapted, when approached to said cable by swinging of said hull as aforesaid, to move aside against said spring to allow said cable to enter said hook and thereafter to be returned by said spring to, and maintained by said spring in, position to trap said cable in said hook.

3. A flying boat, comprising a hull, a pair of pick-up hooks, each mounted in said hull for rotation in relation to said hull about a substantially vertical axis, one hook being located at the bow of the hull and the other hook being located near the stern of the hull and each of said hooks comprising a catch in the mouth of the hook and a spring for maintaining the catch in position to close said mouth, said catch being adapted, when approached to a cable near the surface of the water, to move aside against said spring to allow the said cable to enter said hook and thereafter to be returned by said spring to, and maintained by said spring in, position to trap said cable in said hook.

ARTHUR GOUGE.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,625,020 Diago Apr. 19, 1927 1,811,321 Kiwull June 23, 1931 2,276,312 Jurschick Mar. 17, 1942 2,411,382 Martin Nov. 19, 1946 2,419,455 Lee Apr. 22, 1947

US707927A 1945-11-16 1946-11-05 Pickup hook for flying boats Expired - Lifetime US2526348A (en)

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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743697A (en) * 1950-05-17 1956-05-01 Cooper Henry Gibbons Apparatus for beaching seaplanes
US3010683A (en) * 1959-10-12 1961-11-28 All American Eng Co Integral cable supports
US3055333A (en) * 1959-09-04 1962-09-25 Ryan Stanley Anchor line retaining devices
US20040232282A1 (en) * 2003-01-17 2004-11-25 Dennis Brian D. Methods and apparatuses for capturing and recovering unmanned aircraft, including a cleat for capturing aircraft on a line
US20050017129A1 (en) * 1999-07-23 2005-01-27 Mcdonnell William R. Launch and recovery system for unmanned aerial vehicles
US20050093507A1 (en) * 2003-11-03 2005-05-05 Sliwa Steven M. Methods and systems for starting propeller-driven devices
US20050133665A1 (en) * 2003-01-17 2005-06-23 Dennis Brian D. Methods and apparatuses for capturing unmanned aircraft and constraining motion of the captured aircraft
US20050151009A1 (en) * 2003-01-17 2005-07-14 Cory Roeseler Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for launching aircraft with a wedge action
US20050151014A1 (en) * 2003-01-17 2005-07-14 Mcgeer Brian T. Methods and apparatuses for launching, capturing, and storing unmanned aircraft, including a container having a guide structure for aircraft components
US20050178894A1 (en) * 2003-01-17 2005-08-18 Mcgeer Brian T. Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for releasably gripping aircraft during launch
US20050178895A1 (en) * 2003-01-17 2005-08-18 Mcgeer Brian T. Methods and apparatuses for launching unmanned aircraft, including releasably gripping aircraft during launch and braking subsequent grip motion
US20050230536A1 (en) * 2003-01-17 2005-10-20 Dennis Brian D Methods and apparatuses for capturing and storing unmanned aircraft, including methods and apparatuses for securing the aircraft after capture
US20060038067A1 (en) * 2003-01-17 2006-02-23 Dennis Brian D Methods and apparatuses for launching and capturing unmanned aircraft, including a combined launch and recovery system
US20060102783A1 (en) * 2003-01-17 2006-05-18 Dennis Brian D Methods and apparatuses for capturing and recovering unmanned aircraft, including extendable capture devices
US20060151667A1 (en) * 2003-01-17 2006-07-13 Dennis Brian D Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for transmitting forces to the aircraft during launch
US7143974B2 (en) 2003-04-01 2006-12-05 The Insitu Group, Inc. Methods and apparatuses for launching airborne devices along flexible elongated members
US20080099604A1 (en) * 2006-10-30 2008-05-01 The Insitu Group, Inc. Methods and apparatuses for indicating and/or adjusting tension in pliant tension members, including aircraft recovery lines
US20090189016A1 (en) * 2008-01-25 2009-07-30 Insitu, Inc. Systems and methods for recovering and controlling post-recovery motion of unmanned aircraft
US7806366B2 (en) 2007-07-10 2010-10-05 Insitu, Inc. Systems and methods for capturing and controlling post-recovery motion of unmanned aircraft
US8944373B2 (en) 2010-09-27 2015-02-03 Insitu, Inc. Line capture devices for unmanned aircraft, and associated systems and methods
US9266610B2 (en) 2011-11-15 2016-02-23 Insitu, Inc. Controlled range and payload for unmanned vehicles, and associated systems and methods
US20170259887A1 (en) * 2014-09-12 2017-09-14 Thyssenkrupp Marine Systems Gmbh Vehicle system comprising a mother ship and an unmanned watercraft, and method for recovering an unmanned watercraft
US9896222B2 (en) 2014-11-20 2018-02-20 Insitu, Inc. Capture devices for unmanned aerial vehicles, including track-borne capture lines, and associated systems and methods
US9944408B2 (en) 2009-04-24 2018-04-17 Insitu, Inc. Systems and methods for recovering and controlling post-recovery motion of unmanned aircraft
US10399674B2 (en) 2014-07-28 2019-09-03 Insitu, Inc. Systems and methods countering an unmanned air vehicle
US10407181B2 (en) 2016-06-27 2019-09-10 Insitu, Inc. Locking line capture devices for unmanned aircraft, and associated systems and methods
US10427760B2 (en) * 2016-11-16 2019-10-01 Stael S.R.L. Automatic mooring device for vessels
US10767682B2 (en) 2017-06-29 2020-09-08 Insitu, Inc. Frangible fasteners with flexible connectors for unmanned aircraft, and associated systems and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1625020A (en) * 1926-04-09 1927-04-19 Diago Federico Guillermo Airplane launching and landing apparatus
US1811321A (en) * 1927-12-14 1931-06-23 Kiwull Woldemar Aircraft landing and releasing apparatus
US2276312A (en) * 1937-10-13 1942-03-17 Arado Flugzeugwerke Gmbh Landing hook for aircraft
US2411382A (en) * 1943-12-02 1946-11-19 Glenn L Martin Co Docking flying boats
US2419455A (en) * 1947-04-22 Airplane arresting hook

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419455A (en) * 1947-04-22 Airplane arresting hook
US1625020A (en) * 1926-04-09 1927-04-19 Diago Federico Guillermo Airplane launching and landing apparatus
US1811321A (en) * 1927-12-14 1931-06-23 Kiwull Woldemar Aircraft landing and releasing apparatus
US2276312A (en) * 1937-10-13 1942-03-17 Arado Flugzeugwerke Gmbh Landing hook for aircraft
US2411382A (en) * 1943-12-02 1946-11-19 Glenn L Martin Co Docking flying boats

Cited By (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743697A (en) * 1950-05-17 1956-05-01 Cooper Henry Gibbons Apparatus for beaching seaplanes
US3055333A (en) * 1959-09-04 1962-09-25 Ryan Stanley Anchor line retaining devices
US3010683A (en) * 1959-10-12 1961-11-28 All American Eng Co Integral cable supports
US20110011974A1 (en) * 1999-07-23 2011-01-20 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US20050017129A1 (en) * 1999-07-23 2005-01-27 Mcdonnell William R. Launch and recovery system for unmanned aerial vehicles
US9669946B2 (en) 1999-07-23 2017-06-06 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US8167242B2 (en) 1999-07-23 2012-05-01 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US20110127378A1 (en) * 1999-07-23 2011-06-02 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US8517306B2 (en) 1999-07-23 2013-08-27 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US8567718B1 (en) 1999-07-23 2013-10-29 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US8864069B2 (en) 1999-07-23 2014-10-21 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US20070108345A1 (en) * 1999-07-23 2007-05-17 Mcdonnell William R Launch and recovery system for unmanned aerial vehicles
US7097137B2 (en) * 1999-07-23 2006-08-29 Advanced Aerospace Technologies, Inc. Launch and recovery system for unmanned aerial vehicles
US7090166B2 (en) 2003-01-17 2006-08-15 The Insitu Group, Inc. Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for transmitting forces to the aircraft during launch
US7059564B2 (en) 2003-01-17 2006-06-13 The Insitu Group, Inc. Methods and apparatuses for capturing and recovering unmanned aircraft, including a cleat for capturing aircraft on a line
US7066430B2 (en) 2003-01-17 2006-06-27 The Insitu Group, Inc. Methods and apparatuses for capturing and recovering unmanned aircraft, including extendable capture devices
US20060151667A1 (en) * 2003-01-17 2006-07-13 Dennis Brian D Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for transmitting forces to the aircraft during launch
US20060175463A1 (en) * 2003-01-17 2006-08-10 The Insitu Group, Inc. Methods and apparatuses for launching, capturing, and storing unmanned aircraft, including a container having a guide structure for aircraft components
US20060102783A1 (en) * 2003-01-17 2006-05-18 Dennis Brian D Methods and apparatuses for capturing and recovering unmanned aircraft, including extendable capture devices
US20060038067A1 (en) * 2003-01-17 2006-02-23 Dennis Brian D Methods and apparatuses for launching and capturing unmanned aircraft, including a combined launch and recovery system
US7104495B2 (en) 2003-01-17 2006-09-12 The Insitu Group, Inc. Methods and apparatuses for launching, capturing, and storing unmanned aircraft, including a container having a guide structure for aircraft components
US7114680B2 (en) 2003-01-17 2006-10-03 The Insitu Group, Inc. Methods and apparatuses for launching and capturing unmanned aircraft, including a combined launch and recovery system
US7121507B2 (en) 2003-01-17 2006-10-17 The Insitu Group, Inc. Methods and apparatuses for capturing and storing unmanned aircraft, including methods and apparatuses for securing the aircraft after capture
US20050230536A1 (en) * 2003-01-17 2005-10-20 Dennis Brian D Methods and apparatuses for capturing and storing unmanned aircraft, including methods and apparatuses for securing the aircraft after capture
US20050178895A1 (en) * 2003-01-17 2005-08-18 Mcgeer Brian T. Methods and apparatuses for launching unmanned aircraft, including releasably gripping aircraft during launch and braking subsequent grip motion
US7152827B2 (en) 2003-01-17 2006-12-26 The Insitu Group, Inc. Methods and apparatuses for launching, capturing, and storing unmanned aircraft, including a container having a guide structure for aircraft components
US7165745B2 (en) 2003-01-17 2007-01-23 The Insitu Group, Inc. Methods and apparatuses for launching unmanned aircraft, including releasably gripping aircraft during launch and braking subsequent grip motion
US7175135B2 (en) 2003-01-17 2007-02-13 The Insitu Group, Inc. Methods and apparatuses for capturing unmanned aircraft and constraining motion of the captured aircraft
US20050178894A1 (en) * 2003-01-17 2005-08-18 Mcgeer Brian T. Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for releasably gripping aircraft during launch
US20070075185A1 (en) * 2003-01-17 2007-04-05 The Insitu Group, Inc. Methods and apparatuses for launching unmanned aircraft, including releasably gripping aircraft during launch and braking subsequent grip motion
US7128294B2 (en) 2003-01-17 2006-10-31 The Insitu Group, Inc. Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for launching aircraft with a wedge action
US20070252034A1 (en) * 2003-01-17 2007-11-01 The Insitu Group, Inc. Methods and apparatuses for launching unmanned aircraft, including releasably gripping aircraft during launch and braking subsequent grip motion
US7360741B2 (en) 2003-01-17 2008-04-22 Insitu, Inc. Methods and apparatuses for launching unmanned aircraft, including releasably gripping aircraft during launch and breaking subsequent grip motion
US20050151014A1 (en) * 2003-01-17 2005-07-14 Mcgeer Brian T. Methods and apparatuses for launching, capturing, and storing unmanned aircraft, including a container having a guide structure for aircraft components
US20050133665A1 (en) * 2003-01-17 2005-06-23 Dennis Brian D. Methods and apparatuses for capturing unmanned aircraft and constraining motion of the captured aircraft
US20040232282A1 (en) * 2003-01-17 2004-11-25 Dennis Brian D. Methods and apparatuses for capturing and recovering unmanned aircraft, including a cleat for capturing aircraft on a line
US7712702B2 (en) 2003-01-17 2010-05-11 Insitu, Inc. Methods and apparatuses for launching unmanned aircraft, including releasably gripping aircraft during launch and breaking subsequent grip motion
US20050151009A1 (en) * 2003-01-17 2005-07-14 Cory Roeseler Methods and apparatuses for launching unmanned aircraft, including methods and apparatuses for launching aircraft with a wedge action
US7143974B2 (en) 2003-04-01 2006-12-05 The Insitu Group, Inc. Methods and apparatuses for launching airborne devices along flexible elongated members
US7182290B2 (en) 2003-11-03 2007-02-27 The Insitu Group, Inc. Methods and systems for starting propeller-driven devices
US20050093507A1 (en) * 2003-11-03 2005-05-05 Sliwa Steven M. Methods and systems for starting propeller-driven devices
US7578467B2 (en) 2006-10-30 2009-08-25 Insitu, Inc. Methods and apparatuses for indicating and/or adjusting tension in pliant tension members, including aircraft recovery lines
US20080099604A1 (en) * 2006-10-30 2008-05-01 The Insitu Group, Inc. Methods and apparatuses for indicating and/or adjusting tension in pliant tension members, including aircraft recovery lines
US7806366B2 (en) 2007-07-10 2010-10-05 Insitu, Inc. Systems and methods for capturing and controlling post-recovery motion of unmanned aircraft
US7798445B2 (en) 2008-01-25 2010-09-21 Insitu, Inc. Systems and methods for recovering and controlling post-recovery motion of unmanned aircraft
US20090189016A1 (en) * 2008-01-25 2009-07-30 Insitu, Inc. Systems and methods for recovering and controlling post-recovery motion of unmanned aircraft
US9944408B2 (en) 2009-04-24 2018-04-17 Insitu, Inc. Systems and methods for recovering and controlling post-recovery motion of unmanned aircraft
US10843817B2 (en) 2009-04-24 2020-11-24 Insitu, Inc. Systems and methods for recovering and controlling post-recovery motion of unmanned aircraft
US9340301B2 (en) 2010-09-27 2016-05-17 Insitu, Inc. Line capture devices for unmanned aircraft, and associated systems and methods
US9856036B2 (en) * 2010-09-27 2018-01-02 Insitu, Inc. Line capture devices for unmanned aircraft, and associated systems and methods
US8944373B2 (en) 2010-09-27 2015-02-03 Insitu, Inc. Line capture devices for unmanned aircraft, and associated systems and methods
US9266610B2 (en) 2011-11-15 2016-02-23 Insitu, Inc. Controlled range and payload for unmanned vehicles, and associated systems and methods
US9868527B2 (en) 2011-11-15 2018-01-16 Insitu, Inc. Controlled range and payload for unmanned vehicles, and associated systems and methods
US10501178B2 (en) 2011-11-15 2019-12-10 Insitu, Inc. Controlled range and payload for unmanned vehicles, and associated systems and methods
US10399674B2 (en) 2014-07-28 2019-09-03 Insitu, Inc. Systems and methods countering an unmanned air vehicle
US20170259887A1 (en) * 2014-09-12 2017-09-14 Thyssenkrupp Marine Systems Gmbh Vehicle system comprising a mother ship and an unmanned watercraft, and method for recovering an unmanned watercraft
US9896222B2 (en) 2014-11-20 2018-02-20 Insitu, Inc. Capture devices for unmanned aerial vehicles, including track-borne capture lines, and associated systems and methods
US10513350B1 (en) 2014-11-20 2019-12-24 Insitu, Inc. Capture devices for unmanned aerial, vehicles, including track-borne capture lines, and associated systems and methods
US10407181B2 (en) 2016-06-27 2019-09-10 Insitu, Inc. Locking line capture devices for unmanned aircraft, and associated systems and methods
US10427760B2 (en) * 2016-11-16 2019-10-01 Stael S.R.L. Automatic mooring device for vessels
US10767682B2 (en) 2017-06-29 2020-09-08 Insitu, Inc. Frangible fasteners with flexible connectors for unmanned aircraft, and associated systems and methods

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