Our customer required an automated cooker lid opening/closing mechanism without resorting to the use of conventional but unreliable electrical slewing rings. The existing design uses a low power linear actuator for opening and closing the lid in combination with separately powered sliding locking tabs used to apply the required forces to seal the lid.
The tabs currently fail to retract consistently meaning the mechanism must be manually released back into operation using a hammer every time the cooker is reloaded. The cause of this is believed to be due to wear and the existing design being intolerant to a dusty environment. A new design is required to fulfil the role of the existing design but without being inhibited by the dusty environment.