Load Releasing Means Patents (Class 294/82.24)
  • Patent number: 10669129
    Abstract: A hook gate or hoist hook having a hook gate that is designed to prevent dynamic rollout. The lockable gate includes one or more release mechanisms that allow the gate to unlock and open upon actuation of the release mechanisms. The release mechanisms reside within a circumferential guard that extends outwardly from the gate. The guards preferably extend at least as far as the release mechanism or beyond the extension of the release mechanism. The hook gate further includes anti-snagging flanges extending generally in the vertical direction from both the top and bottom portions of the guard. The circumferential guard and the anti-snagging flanges in combination make it nearly impossible for an attachment mechanism to become improperly oriented under a load and effectively eliminate the possibility of dynamic rollout.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: June 2, 2020
    Assignee: Lifesaving Systems Corporation
    Inventor: Samuel Gene Maness
  • Patent number: 10618655
    Abstract: A package delivery mechanism (PDM) of an unmanned aerial vehicle (UAV) is described. The PDM includes a gravity activated locking mechanism to lock and unlock a package attached to the UAV based on the weight of the package. When the package is attached to a suspension member of the UAV, the locking mechanism automatically engages with the package and keeps the package locked to the suspension member, due to the weight of the package. When the package is lowered and reaches the ground, the weight of the package is offloaded from the suspension member, which enables the locking mechanism to be disengaged, thereby releasing the package.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: April 14, 2020
    Assignee: Flirtey Holdings, Inc.
    Inventors: Joseph Rinaldi, Matthew Sweeny, Tom Bass, Jess Hayden, David Hobby, Christopher Galassini, John Johnson, Henri Spaile, Seaton Mckeon, Justin Wagemakers
  • Patent number: 9566936
    Abstract: An actuator, especially for a vehicle protection system, comprises at least one wire (14) variable in shape depending on temperature made from a shape memory alloy and an elongate pyrotechnical element (12) connected to the shape-variable wire (14) so that upon ignition of the pyrotechnical element (12) the wire (14) is heated and experiences a change of length. The vehicle protection system is, for example, an airbag system comprising an airbag and a regulating mechanism for the internal airbag pressure, wherein the wire (14) of the actuator (10) is connected to the regulating mechanism so that a change of shape of the wire (14) exerts a force on the regulating mechanism.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: February 14, 2017
    Assignee: TRW Automotive GmbH
    Inventors: Joachim Biller, Silvia Feifel, Karl-Heinz Koeppel, Senra Oezkan
  • Patent number: 9027976
    Abstract: A multi-purpose helicopter pendant hook assembly is provided. The pendant hook assembly allows cargo load attachment by a ground crewman from positions either on the load itself or standing on the ground next to the load. In both cases, a stand-off from the helicopter improves safety for the ground crewmen. The hook assembly combines the capability to pick up cargo and personnel, or both, simultaneously. This multi-purpose feature reduces the need for more than one helicopter during recovery operations. The pendant has multiple D-rings for attachment of personnel and has a communications link for ground crew to pilot communications. The hook assembly also has a flange and hook configuration which allows release of the cargo load while retaining the cargo net.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: May 12, 2015
    Inventor: Donald John Tollenaere
  • Patent number: 9004557
    Abstract: A release fitting for an elongate strap is provided. The release fitting includes a body configured to fixedly engage an end of an elongate strap. An arm is pivotably connected to the body, such that the arm is configured to pivot between a locked position and a release position, a tip portion of the arm comprises a receiving portion. The body comprises a hole disposed therethrough, the hole being coaxially aligned with the receiving portion when the arm is in the locked position. A shaft assembly slidably is disposed within the hole, the shaft assembly biased toward engagement with the receiving portion. A bracket is pivotably mounted to the body and pivotably mounted to the shaft assembly, wherein rotation of the bracket urges linear motion of the shaft assembly within the hole.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: April 14, 2015
    Assignee: Ancra International LLC
    Inventor: H. Thomas Knox
  • Patent number: 8985658
    Abstract: A carabiner comprising a body having an opening, a closure movably coupled to the body, the closure being movable to an open position, and to a closed position in which the opening is closed by the closure such that the body and the closure define a closed shape, and an actuator, coupled to the closure and operatively connected to the body, the actuator being configured to cause the closure to move to the closed position in response to loading of the carabiner, and to cause the closure to move from the closed position to the open position in response to unloading of the carabiner.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: March 24, 2015
    Assignee: Prism Medical Ltd.
    Inventors: Mark Chepurny, Mikel Shani
  • Patent number: 8622450
    Abstract: An apparatus for efficiently lifting heavy trusses used in constructing buildings requiring a pitched roof. The use of this apparatus reduces the manpower requirement for constructing roofs by providing a J-shape cam-hook-lift-apparatus to latch onto a truss and use the power of a lifting mechanism, such as a crane, to raise and place the roof trusses into a predetermined position. Using this apparatus will reduce the amount of time needed to complete a roof assembly and increase safety for workers.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: January 7, 2014
    Inventor: Carl Mengel
  • Patent number: 8172184
    Abstract: The invention provides a cargo hook apparatus for securing cargo external to an aircraft for transportation, the apparatus comprising, pendent sling means, an attachment for securing the pendent sling means to the aircraft, and a cargo hook assembly, where the cargo hook assembly comprises a high-strength, lightweight alloy, and where the cargo hook assembly weighs less than about 55 pounds.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: May 8, 2012
    Inventors: Ken Spencer, Todd Humbert
  • Patent number: 7934681
    Abstract: A rapid air transportation system for humans, animals, materials or facilities, comprises of rapid coupling of a carriage on land to the tether of a hovering aircraft using quick coupling methods and rapid de-coupling of the same at the end of transportation and landing of the carriage, without landing the aircraft.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: May 3, 2011
    Inventor: Sastry Ganti
  • Patent number: 7753422
    Abstract: An apparatus for suspending a log comprises a cable having at one end a knob to be hitched into a hitching body. The hitching body which is provided for this purpose with a longitudinal opening is pivoted to a swivel head between a closed position in the swivel head and a release position swiveled out of the swivel head. The swivel head has a sliding eye through which the cable is slidingly guided. With a locking device the hitching body is locked in the closed position. For actuating the locking device, an actuator is provided which is driven with a remote control. The longitudinal opening of the hitching body has an enlargement at its end facing away from the swivel pin for hitching and unhitching the cable end with the knob in the closed position. Below the enlargement a support for the hitched knob is provided. The locking device has a locking bolt which engages a notch in the hitching body .
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: July 13, 2010
    Inventor: Ludwig Giritzer
  • Patent number: 7651142
    Abstract: An automatic release attachment automatically releases a tension line engaged to the attachment when the tension in the line exceeds the tension rating corresponding to a tension release settings selected by an operator. A hook assembly, which can be part of the attachment, includes a shackle that eases shackling and unshackling of a coupling element of the tension line to the hook assembly.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: January 26, 2010
    Inventor: Michael W. Kirnak
  • Patent number: 7644891
    Abstract: Systems and methods for releasing a spacecraft payload at a substantially constant velocity are disclosed. A linear actuator is used that includes a spring loaded and fluid filled chamber. The spring drives against a piston within the chamber that includes a control orifice that restricts the fluid flowing from one side of the piston to the other and results in a substantially constant damped motion of the piston. The piston drives a rod from the chamber that is attached to a capture device that holds a flange of the spacecraft payload. The capture device moves along a linear guide toward an open end. Spring loaded latches are held in a closed position by the side walls of the guide as the capture device moves. The latches release the flange as exit the open end of the guide.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: January 12, 2010
    Assignee: The Boeing Company
    Inventors: Richard W. Aston, Michael Langmack, Torger J. Totusek
  • Patent number: 7530613
    Abstract: An apparatus for connecting and disconnecting two objects comprises: a housing formed as a hollow type, and having one closed end to which a first object is connected and another opened end; a coupling portion mounted in the housing so as to be movable in an axial direction of the housing, and to which a second object is connected; a clamping portion coupled to the housing for clamping the coupling portion; a cylinder disposed in the housing for pressurizing the clamping portion so that a clamped state of the coupling portion by the clamping portion can be maintained; and a gas generator integrally coupled to an outer surface of the housing so as to be in communication with inside of the housing for generating gas of a high pressure thereby releasing a clamped state of the coupling portion and separating the coupling portion from the housing. Two objects are easily connected or disconnected to/from each other by the simple construction.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: May 12, 2009
    Assignee: Agency for Defense Development
    Inventors: Heung-Youl Kim, Yong-Bum Jun
  • Patent number: 7422257
    Abstract: Cable supported hook apparatus provides a U-shaped upward facing opening for transporting a truss. A cam pivotably mounted opposite the opening has a serrated edge opposite a handle. A slot in the opening permits a spring to urge the cam from a released orientation to an engaged orientation with the serrated edge extending through the slot. In the released orientation, a knob retractable spring driven pin extension can extend through a hole in the cam and secure it in place. In use, the handle is first used to rotate the cam to the released and secured orientation. After engagement with the truss, the extension is retracted by the knob which permits the cam to engage the truss. After transportation a release cable rotates the cam to the released and secured orientation to free the truss.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: September 9, 2008
    Inventor: Roy E. Neufeldt
  • Publication number: 20080007074
    Abstract: An apparatus for suspending a log comprises a cable having at one end a knob (7) to be hitched into a hitching body (8). The hitching body (8) which is provided for this purpose with a longitudinal opening (9) is pivoted to a swivel head (1, 3) between a closed position in the swivel head and a release position swiveled out of the swivel head. The swivel head (1, 3) has a sliding eye (2) through which the cable is slidingly guided. With a locking device the hitching body (8) is locked in the closed position. For actuating the locking device, an actuator is provided which is driven with a remote control. The longitudinal opening (9) of the hitching body has an enlargement (11) at its end facing away from the swivel pin (16) for hitching and unhitching the cable end (6) with the knob (7) in the closed position. Below the enlargement (11) a support (12) for the hitched knob (7) is provided. The locking device has a locking bolt (17) which engages a notch (18) in the hitching body (8).
    Type: Application
    Filed: July 6, 2006
    Publication date: January 10, 2008
    Inventor: Ludwig Giritzer
  • Patent number: 7059644
    Abstract: Cable supported hook apparatus provides a U-shaped upward facing opening for transporting a truss. A cam pivotably mounted opposite the opening has a serrated edge opposite a handle. A slot in the opening permits a spring to urge the cam from a released orientation to an engaged orientation with the serrated edge extending through the slot. In the released orientation, a knob retractable spring driven pin extension can extend through a hole in the cam and secure it in place. In use, the handle is first used to rotate the cam to the released and secured orientation. After engagement with the truss, the extension is retracted by the knob which permits the cam to engage the truss. After transportation a release cable rotates the cam to the released and secured orientation to free the truss.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: June 13, 2006
    Inventor: Roy E. Neufeldt
  • Patent number: 7044522
    Abstract: A chain hook with no moving parts that is capable of passively capturing and supporting both sides of a given chain link. The hook is provided with dual support surfaces that support the link and prevent disengagement of the hook while under load. A horn between the support surfaces protrudes through the hooked link and contacts the adjacent link on the lighter loaded side of the hook. This prevents running of the chain that could result from differential loading on either side of the hooked chain link. The hook surfaces are designed to inhibit disengagement under low load conditions and to facilitate unassisted disengagement of the hook under no-load conditions.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: May 16, 2006
    Assignee: J. Ray McDermott, S.A.
    Inventors: Raymond J. Serpas, Kirk N. Trombatore, Regas J. Vito
  • Patent number: 6896305
    Abstract: A high-load capability non-explosive cable release mechanism for retaining the adjacent ends of two cables and releasing them upon receiving a signal from a remote source. The cable release mechanism has a casing for housing two non-explosive actuators (NEAs), which also has a center bore for housing a jaw and ramp assembly. Each NEA is connected to the jaw and ramp assembly for independently operating the jaw and ramp assembly to retain or release the proximal ends of the two cables. Upon receiving the signal by any one or both of the NEAs, the jaw and ramp assembly will release the adjacent ends of the two cables from the casing.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: May 24, 2005
    Assignee: G&H Technology, Inc.
    Inventors: Jui-Yu Wu, Patrick Laughlin
  • Publication number: 20040094982
    Abstract: Cable supported hook apparatus provides a U-shaped upward facing opening for transporting a truss. A cam pivotably mounted opposite the opening has a serrated edge opposite a handle. A slot in the opening permits a spring to urge the cam from a released orientation to an engaged orientation with the serrated edge extending through the slot. In the released orientation, a knob retractable spring driven pin extension can extend through a hole in the cam and secure it in place. In use, the handle is first used to rotate the cam to the released and secured orientation. After engagement with the truss, the extension is retracted by the knob which permits the cam to engage the truss. After transportation a release cable rotates the cam to the released and secured orientation to free the truss.
    Type: Application
    Filed: November 18, 2002
    Publication date: May 20, 2004
    Inventor: Roy E. Neufeldt
  • Patent number: 6715809
    Abstract: A remote attachable/remote releasable hook apparatus comprises a hollow braid rope or cable, a tail having unidirectional properties, wherein the tail preferably includes a leaf chain or roller chain threaded or braided through the hollow braid rope or cable, and a hook assembly attached to the tail, wherein the hook assembly preferably includes a C-shaped hook having rounded outside edges and a middle leg attached to the C-shaped hook.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: April 6, 2004
    Inventor: Morgan Thompson
  • Patent number: 6654990
    Abstract: A quick-release hook comprising a latching hook locker, a spring, a pair of latching hooks, a pull lever and a main body. One end of the latching hook locker is shaped into a cylinder and the other end is shaped into a frustum. The latching hook locker also has a groove slot on the side of the cylinder section close to the frustum. The spring is fastened to the cylindrical end of the latching hook locker. The two latching hooks each has a U-shaped profile and is in contact with the frustum of the latching hook locker. One end of the pull lever has a protruding section for inserting into the groove slot of the latching hook locker. The main body encloses the latching hook locker, the spring, the pull lever and the two latching hooks but exposes a portion of the two latching hooks and a portion of the pull lever. The pull lever has a protruding section that links up with the main body. The other end of the pull lever remains outside the main body and is free to rotate in an arc.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: December 2, 2003
    Assignee: Chung-Shan Institute of Science
    Inventor: Ruey-Shan Liu
  • Patent number: 6597755
    Abstract: A nuclear power plant (18) and its heat exhanger (26) are enclosed in an envelope (22) which is suspended above a bored shaft (14) from a support stem (30). When appropriate, the stem (30) can be melted by a furnace (34) to drop the envelope (22) to the bottom of the shaft (14). Sand (42) can then be dropped onto the envelope (22) through a drainage pipe (46). While the nuclear power plant (18) is operating and suspended in the shaft, spent fuel rods (70) are dropped into a sand blasting machine's hopper (130), mixed with sand and dropped into a bag (134) containing a small explosive device. The bag (134) is then dropped to the bottom of the shaft (14) and the explosive detonated to scatter the contents of the bag (134). Optionally, more sand or earth is then added to reduce heat and radiation to acceptable levels.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: July 22, 2003
    Inventor: Leroy Paul Seefeld
  • Patent number: 6565136
    Abstract: A lifting device for a pallet comprising a rigid lower L-shaped lifting frame having a pair of lower rigid legs for inserting within openings in a pallet having a load thereon. The L-shaped lifting frame includes upwardly extending back frame members extending upwardly from the lower lifting legs. A pair of cables are connected to the back frame members and another pair of cables are connected to the free ends of the lower lifting legs. For connecting the lifting device onto the pallet, the front cables connected to the free ends of the legs are disconnected so that the legs may be inserted within openings in the pallet with free ends of the legs extending from the pallet. Then, the front cables are reconnected to the lifting legs for lifting of the pallet and load thereon.
    Type: Grant
    Filed: November 3, 2001
    Date of Patent: May 20, 2003
    Inventor: Michael J. Parker