Aircraft Seat Attachment Linkage for Simultaneous Locking
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Solution Overview
Problem
Existing aircraft seat attachment systems require tedious and time-consuming operation as the fitting/dismantling operator must act on each attachment device sequentially to lock or unlock the seat, which is inefficient.
Innovation Solution
A system where attachment devices are paired with a common control mechanism, including a pedal and articulated connecting rods, allowing simultaneous operation of levers and rotary actuators to lock or unlock the seat, streamlining the process through a shared control system with pull bars and cables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If each attachment device is operated sequentially by the fitting/dismantling operator, then the seat can be locked or dismantled, but the operation becomes tedious and time-consuming
Solution Approach 1:
The patent combines multiple attachment devices into pairs, where each pair shares common control means. The pedal and rotary actuator control both levers simultaneously, merging the operation of multiple devices into a single coordinated action, thereby reducing the time and effort required for seat attachment or dismantling
2Adaptability or versatility
If multiple attachment devices are controlled by separate individual mechanisms, then each device can be independently operated, but the overall system complexity increases
Solution Approach 1:
The patent merges the control mechanisms of paired attachment devices by implementing common control means (pedal and rotary actuator) that simultaneously operate both levers in a pair. This reduces the number of independent control mechanisms while maintaining coordinated operation capability
Solution Approach 2:
The patent segments the attachment devices into pairs, where each pair is controlled by common means. This segmentation allows the system to balance between independent operation capability and reduced overall complexity by grouping devices logically
Data Source
AI summary
A system for attaching an aircraft seat to an aircraft. The system includes a pair of attachment devices. Each device includes a base connected to the seat, attachment means for attaching the seat to the rest of the aircraft, the attachment means being movable between a retracted position for fitting or dismantling the seat and an active position for blocking the seat. The attachment devices also include an operating lever to move the attachment means, the operating lever being articulated with the base and movable between a retracted position for fitting or dismantling the seat and an active position for blocking the lever in the active position. The attachment devices further include locking means for locking the lever in the active position, the locking means being disengageable by a rotary actuator.