Abstract: An uplock system includes a cam plate comprising a cam channel, a hook configured to rotate with respect to the cam plate, a follower rotatably coupled to the hook, wherein a portion of the follower moves within the cam channel in response to rotation of the hook, a stopper configured to engage the follower, and a first biasing member configured to bias the stopper towards the follower to stop the follower from moving within the cam channel, thereby locking the hook in a locked position.

Abstract: A lock system for a landing gear assembly may comprise a housing and a hook configured to rotate relative to the housing. A lock pin may be configured to translate into a rotational path of the hook. An electromechanical actuator may be configured to translate the lock pin.

Abstract: An uplock system includes a cam plate comprising a cam channel, a hook configured to rotate with respect to the cam plate, a follower rotatably coupled to the hook, wherein a portion of the follower moves within the cam channel in response to rotation of the hook, a stopper configured to engage the follower, and a first biasing member configured to bias the stopper towards the follower to stop the follower from moving within the cam channel, thereby locking the hook in a locked position.

Abstract: A releasable restraint may comprise a bracket and a puller removably coupled to the bracket. A first tube portion and a second tube portion may be rotatably coupled to the puller. A torsion spring may be configured to bias the first tube portion in a first circumferential direction and the second tube portion in a second, opposite circumferential direction.

Abstract: A lock system for a landing gear assembly may comprise a housing and a hook configured to rotate relative to the housing. A lock pin may be configured to translate into a rotational path of the hook. An electromechanical actuator may be configured to translate the lock pin.

Abstract: A restraint assembly includes a base member, a pawl, a lock member, and an actuator assembly. The base member has a first side plate spaced apart from a second side plate. The pawl is pivotally coupled to the first side plate and the second side plate by a first pin. The lock member is pivotally coupled to the first side plate and the second side plate by a second pin. The actuator assembly includes a first shape memory alloy actuator that is drivably connected to the pawl and a second shape memory alloy actuator that is drivably connected to the lock member.

Abstract: A restraint assembly includes a base member, a pawl, a lock member, and an actuator assembly. The base member has a first side plate spaced apart from a second side plate. The pawl is pivotally coupled to the first side plate and the second side plate by a first pin. The lock member is pivotally coupled to the first side plate and the second side plate by a second pin. The actuator assembly includes a first shape memory alloy actuator that is drivably connected to the pawl and a second shape memory alloy actuator that is drivably connected to the lock member.

Abstract: Systems and methods are disclosed herein for guide assemblies. A guide assembly may comprise a sliding rail comprising a first channel and a second channel, a first fitting comprising a first retaining rail, wherein the first retaining rail is configured to slide within the first channel, and a second fitting comprising a second retaining rail, wherein the second retaining rail is configured to slide within the second channel.

Abstract: A system and method that comprises a plurality of inflatable tubes is provided. The plurality of inflatable tubes comprises a first tube set and a second tube set. The plurality of inflatable tubes is configured to provide a pressure distribution to an object supported by the plurality of inflatable tubes. The first tube set is configured to be inflated and deflated at a predetermined time interval to shift the pressure distribution.

Abstract: A method and system to provide an occupant support device includes a first inflatable tube, a second inflatable tube disposed parallel to the first inflatable tube, a third inflatable tube disposed at a relative angle to the first inflatable tube, above the first inflatable tube and below the second inflatable tube, a fourth inflatable tube disposed parallel to the third inflatable tube, below the first inflatable tube and above the second inflatable tube, and an inflation device to selectively provide a low pressure and a high pressure to at least one of the first inflatable tube, the second inflatable tube, the third inflatable tube, and the fourth inflatable tube.

Abstract: A method and system to provide an occupant support device includes a first inflatable tube, a second inflatable tube disposed parallel to the first inflatable tube, a third inflatable tube disposed at a relative angle to the first inflatable tube, above the first inflatable tube and below the second inflatable tube, a fourth inflatable tube disposed parallel to the third inflatable tube, below the first inflatable tube and above the second inflatable tube, and an inflation device to selectively provide a low pressure and a high pressure to at least one of the first inflatable tube, the second inflatable tube, the third inflatable tube, and the fourth inflatable tube.

Abstract: Systems and methods are disclosed herein for guide assemblies. A guide assembly may comprise a sliding rail comprising a first channel and a second channel, a first fitting comprising a first retaining rail, wherein the first retaining rail is configured to slide within the first channel, and a second fitting comprising a second retaining rail, wherein the second retaining rail is configured to slide within the second channel.

Abstract: A system and method that comprises a plurality of inflatable tubes is provided. The plurality of inflatable tubes comprises a first tube set and a second tube set. The plurality of inflatable tubes is configured to provide a pressure distribution to an object supported by the plurality of inflatable tubes. The first tube set is configured to be inflated and deflated at a predetermined time interval to shift the pressure distribution.

Abstract: Systems and methods are disclosed herein for guide assemblies. A guide assembly is provided comprising a sliding rail comprising a first channel and a second channel, a first fitting comprising a first retaining rail, wherein the first retaining rail is configured to slide within the first channel, and a second fitting comprising a second retaining rail, wherein the second retaining rail is configured to slide within the second channel.

Abstract: Systems and methods are disclosed herein for guide assemblies. A guide assembly is provided comprising a sliding rail comprising a first channel and a second channel, a first fitting comprising a first retaining rail, wherein the first retaining rail is configured to slide within the first channel, and a second fitting comprising a second retaining rail, wherein the second retaining rail is configured to slide within the second channel.