French Press Ladle Assembly for Spent Grounds Removal
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Solution Overview
Problem
Existing French press coffee makers face difficulties in efficiently removing spent coffee grounds from the carafe, with existing mechanisms being complicated and often inadequate.
Innovation Solution
A French press coffee maker assembly that includes a plunger mechanism with a movable piston and a ladle with a curved arm that fits within the carafe, allowing for easy removal of coffee grounds by positioning the ladle's peripheral rim against the carafe's side wall and arm adjacent to it, facilitating the retention and easy extraction of grounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a basket supported by four vertical bars or a plate on the bottom is used to remove spent grounds, then the grounds can be removed from the carafe, but the device becomes complicated and may still not adequately remove the grounds
Solution Approach 1:
The ladle is divided into distinct functional segments: a bowl for collecting grounds, a curved arm for navigation, and an integrated handle for operation. This segmentation allows each part to perform its specific function efficiently while maintaining overall simplicity.
Solution Approach 2:
The ladle extracts the spent grounds from the carafe by scooping them up in the bowl and lifting them out through the spout opening. This extraction mechanism removes the harmful element (spent grounds) without requiring complex mechanical systems.
2Productivity
If manual scooping with a large spoon is used to remove spent grounds, then the grounds can be removed, but the process is time-consuming and inefficient
Solution Approach 1:
The ladle is pre-positioned with its bowl at the bottom of the carafe where spent grounds accumulate. The curved arm is pre-shaped to follow the carafe's contour, allowing immediate engagement with grounds without requiring manual positioning or adjustment during the removal process.
Solution Approach 2:
The ladle's curved arm automatically follows the contour of the carafe wall and positions itself to collect grounds as the plunger is depressed. The design enables the device to service itself by utilizing the natural flow of grounds toward the ladle bowl during the brewing process.
3Reliability
If existing removal mechanisms are used, then some grounds can be removed, but grounds are often left behind in the carafe
Solution Approach 1:
The ladle's arm is curved to match the cylindrical contour of the carafe, allowing it to reach into corners and along the wall where grounds tend to accumulate. This curvature ensures complete coverage of the carafe interior surface, preventing grounds from being left behind in hard-to-reach areas.
Solution Approach 2:
The ladle acts as an intermediary tool between the spent grounds and the user's hand. It collects grounds in its bowl, lifts them through the spout, and deposits them outside the carafe, ensuring complete removal without direct manual contact and preventing any grounds from being left behind.
Data Source
AI summary
A French press coffee maker includes a carafe, a plunger, and a ladle. The carafe includes a base wall and an upwardly extending generally cylindrical side wall. The plunger includes a rod and a piston connected to the rod. The piston is movable with respect to the carafe in an axial direction. The ladle includes a base having a peripheral rim and an upwardly extending arm connected with the base.