Arconic Corporation

Alcoa Inc.

Howmet Aerospace Inc.

Pan, Chi

Do, Thai

Thai Do

Chi Pan

A latch including a body and an engagement member adapted to engage releasably a clevis, and a handle with a trigger attached pivotally and is pivotable between a first position, in which the trigger is engaged releasably with the clevis, and a second position, in which the trigger is disengaged from the clevis. The trigger includes a recess that receives a tool to facilitate pivoting the trigger from its first position to its second position. The latch may include a drive and the trigger includes a socket adapted to receive a key that facilitates moving a drive to clear the handle and disengaging the trigger with the clevis to open the handle.

Latch having tool recess in trigger

A latch including a housing having a cylinder, a compression spring positioned within the cylinder, and a ball positioned at one end of the compression spring, a hook positioned slidably within the housing, and a star wheel positioned around the hook and having a plurality of holes formed therein. The ball under load from the spring aligns with and engages one of the holes of the star wheel to retain it in place. The star wheel is moveable rotatably such that the ball disengages the one of the holes of the star wheel to enable the hook to move axially and be adjusted relative to the housing, and the ball is adapted to engage another of the holes of the star wheel to retain the star wheel and prevent inadvertent rotation.

Adjustable hook latch

A latch includes a base having a bore extending therethrough defining an axis, a plunger positioned within the bore and rotatable about the axis, a drive shaft positioned adjacent the base and engaged with the plunger such that rotation of the plunger about the axis causes corresponding rotation of the drive shaft about the axis, a bracket positioned adjacent the base and the drive shaft and engaged with the drive shaft such that rotation of the drive shaft about the axis causes movement of the bracket, and a closure element coupled to the bracket such that movement of the bracket causes the closure element to move between a position wherein the closure element allows a structure to move with respect to an adjacent structure and a position in which the closure element prevents the structure from moving with respect to the adjacent structure.

Rotary latch system

A latch including a housing having side members each having an elongated slot, a bolt mounted rotatably to the housing and positioned between the side members of the housing, a trigger mounted rotatably to the housing, and a pin and roller positioned slidably within the elongated slots of the side members of the housing. The bolt is moveable between a first, closed position and a second open position. The trigger is moveable between a first position, in which the pin and roller are engaged with the bolt when the bolt is in its first position, and a second position, in which the pin and roller are disengaged from the bolt. The latch can be opened automatically when a defined load is provided on the bolt, or manually by depressing the trigger to disengage the pin and roller from the bolt.

Pressure relief latch

A latch including a housing having side members each having an elongated slot, a bolt mounted rotatably to the housing and positioned between the side members of the housing, an adjustment mechanism, and a pin and roller positioned slidably within the elongated slots of the side members of the housing. The adjustment mechanism includes a compression spring, a central cap for receiving the pin and roller therethrough, and a nut for adjusting the load on the compression spring. The bolt is moveable between a first, closed position, in which the pin and roller are engaged with the bolt, and a second open position, in which the pin and roller are disengaged from the bolt. The latch can be opened automatically when a defined load, as adjusted by the adjustment mechanism, is provided on the bolt to disengage the pin and roller from the bolt.

Adjustable pressure relief latch

A latch having a housing and a latch mechanism located within an interior portion of the housing. The latch mechanism includes an arm, a pair of socket screws, a pair of torsion springs, each of which is connected rotatably to the arm and engages a corresponding one of the pair of socket screws, a bolt mechanism attached rotatably to the housing, and a link attached pivotally to the arm and attached to the bolt mechanism. The socket screws are utilized to adjust loads on the springs. The bolt mechanism is movable between a first position, in which the arm and the link are toggled with one another under the loads of the springs and the bolt mechanism is adapted to engage an external structure, and a second position, in which the link and the arm are untoggled with one another and the bolt mechanism is disengaged with the external structure.

A handle mechanism includes a gear drive having an interior end and an exterior end; an inside handle fixed to the interior end; a button; a finger; a handle drive; an outside handle; and a spring. The button has an interior end and an exterior end, which is positioned within the exterior end of the gear drive. The handle drive is positioned within the exterior end of the gear drive and is rotatable relative thereto. The outside handle and the handle drive rotate together. The outside handle moves between a first position, wherein it is constrained from rotation, and a second position. The finger is fixed to the exterior end of the button, which moves between a first position, wherein the finger causes the gear drive and the handle drive to rotate together, and a second position. The spring biases the button and the outside handle toward their first positions.

Handle mechanisms

A pawl latch having a pin assembly with a pin and a receiver assembly adapted to receive the pin assembly. The receiver assembly includes a receiver housing having a slider positioned slidably on the receiver housing, a cam rotatably mounted in the receiver housing, and a link connecting the cam and the slider. Rotating the cam moves the slider along the receiver housing. The receiver assembly includes a pawl and a stop, each having arms, respectively, that rotate. When the receiver assembly receives the pin assembly, contacts the arms of the stop and facilitates their rotation, in which the cam is enabled to be rotated and, in turn, facilitates movement of the slider. The arms of the pawl are rotated in order to lock the pin head of the pin assembly within the receiver assembly.

Pawl latch

A pressure relief door having a panel with an exterior side and an interior side, a pair of pressure relief latches mounted to the interior side of the panel, and a pair of hinges mounted to the panel and each including a lock mechanism mounted thereto. Each of the lock mechanisms includes a mounting bracket. The door is adapted to be installed within a structure and moveable between a closed position, such that the exterior side of the panel is substantially flush with an exterior surface of the structure, the lock mechanisms are engaged with an interior surface of the structure, and the pressure relief latches are engaged with the interior surface of the structure, and an open position, such that the pressure relief latches are disengaged with the interior surface of the structure, while the lock mechanisms remain engaged with the interior surface of the structure.

Pressure relief door

A pin latch includes a guide block, a handle having a trigger, and a shear pin housed slidably within the guide block and connected to the handle. The shear pin includes a catch-pin engageable by the trigger, and is slidable between an engageable position and a disengageable position when the handle is moved from a closed position to an open position. Alternately, the pin latch includes a bracket connected to the shear pin and includes a catch-pin, and the handle is moveable to an intermediate position, such that a trigger is disengaged from the catch-pin and the shear pin engages a stop pin. A guide block spring acts on the stop pin to retain releasably the handle in its intermediate position. The guide block includes a finger and the shear pin includes a groove sized and shaped to receive the finger when the pin latch is in an unlatchable position.

Pin latch with detection device and movable catch-pin and intermediate position with automatic return mechanism

A latch includes a body having first end and a second end, a trigger-catch-pin, and a pin adjustment mechanism for adjusting the position of the trigger-catch-pin within the body. The latch includes a handle having a first end and a second end, an exterior surface, and a trigger. The second end of the handle is attached pivotally to the body such that the handle is moveable between a closed position, in which the trigger of the handle is releasably engaged with the trigger-catch-pin, and an open position, in which the trigger of the handle is disengaged from the trigger-catch-pin. The pin adjustment mechanism is adapted to adjust the position of the trigger-catch-pin within the body and, in turn, the position of the first end of the handle relative to the body, so that the exterior surface of the handle may be positioned flush with an exterior surface of an external structure.

Latch with adjustable handle

A pin latch including a mounting block having a longitudinal axis, a pin slidably retained within the mounting block and having a pivot-pin, and a sliding plate slidably retained within the mounting block, the plate having a slot and a longitudinal axis extending from first and second ends thereof and perpendicular to the longitudinal axis of the mounting block. The pivot-pin engages the slot of the plate such that movement of the sliding plate along its longitudinal axis induces movement of the pin in a direction of the longitudinal axis of the mounting block. A plurality of pin latches are connected in series by links in a side-by-side fashion or around corners. One link emanating from an actuator is connected to one of the plates that the actuator can actuate the pins of all the pin latches simultaneously.

Side-driven action pin latch

A latch includes a base, a drive shaft and cam, and a handle attached pivotally to the drive shaft. The handle is moveable between a closed position, a pop-up position, and an open position. A slide plate is attached slidably to the base and engaged with the cam. A swivel arm is attached pivotally to the base and the slide plate. A bolt assembly is attached to the swivel arm, and a plunger is mounted within the base. In its closed position, the handle engages the plunger to engage a switch and the bolt assembly engages a structure. In the handle's pop-up position, the plunger moves to a retracted position and disengages the switch. When the handle is moved to the open position, the drive shaft and cam are rotated so that the slide plate slides and the swivel arm pivots to swing the bolt assembly away from the structure.

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Laguna Niguel, CA, United States of America

Thai Do