Outboard Motor Steering Bracket Locking Mechanism
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Solution Overview
Problem
Existing outboard motor systems lack efficient and user-friendly mechanisms for locking, unlocking, and retaining the steering orientation of the motor relative to the marine vessel, which can lead to user error and potential damage.
Innovation Solution
An integrated copilot and locking mechanism that includes a copilot arm for retaining the steering bracket in various orientations and a locking arm for locking and unlocking the steering bracket relative to the transom bracket assembly, using a single multifunctional handle for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional mounting arrangement is used for outboard motors, then the motor can be supported on the marine vessel, but the motor cannot be easily removed or transported manually
Solution Approach 1:
The mounting arrangement transitions from a static fixed mounting to a dynamic removable mounting system. The motor can be quickly detached from the mounting arrangement and reattached, allowing easy removal for transport while maintaining secure mounting during operation through the same mechanical interface.
2Ease of operation
If the motor is made manually transportable, then ease of transport is improved, but the motor may be damaged during removal and installation
Solution Approach 1:
The mounting arrangement includes pre-positioned mounting points and alignment features on both the motor and the vessel that guide the motor into the correct position during attachment. This preliminary alignment action prevents misalignment and damage during removal and reinstallation operations.
3Reliability
If a locking mechanism is added to retain steering orientation, then the motor is secured in position, but the device complexity increases
Solution Approach 1:
The locking mechanism is merged with the existing mounting arrangement structure. The locking features are integrated into the mounting points and steering linkage rather than being separate add-on components, reducing overall device complexity while maintaining reliable retention of steering orientation.
4Reliability
If multiple separate mechanisms are used for locking and steering, then functional requirements are met, but user error and damage risk increase
Solution Approach 1:
The mounting arrangement serves multiple functions: it provides structural support for the motor, enables manual transport through removable mounting, controls steering orientation through integrated locking features, and guides proper alignment during installation. This multi-functionality reduces the number of separate mechanisms needed, making the system more intuitive and reducing user error.
Data Source
AI summary
An outboard motor has a cowling, a gearcase, a midsection located axially between the cowling and the gearcase, a steering arm extending forwardly from the midsection, and an anti-ventilation plate between the midsection and the gearcase. A wing extends laterally from the steering arm. The wing, a lateral side of the cowling, and a lateral side of the gearcase together define a side tripod which supports the outboard motor in a side laydown position. The anti-ventilation plate has a rear edge with laterally outer rear support members, which together with the rear of the cowling form a rear tripod which supports the outboard motor in a rear laydown position.