Removable Spindle Brewing Unit With Side-Access Coupling
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Solution Overview
Problem
Fully automatic coffee machines with spindle brewing units are difficult to remove and reinsert due to vertical or horizontal orientations, which can be uncomfortable and constructively challenging, especially in kitchens with limited space.
Innovation Solution
A removal device that allows the spindle brewing unit to be removed orthogonally to the axis of rotation of the threaded spindle, decoupling the removal direction from the axial direction, enabling side removal regardless of spindle orientation, with a mechanically detachable coupling device for easy operation and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the spindle brewing unit is removed in the axial direction of the threaded spindle, then the removal mechanism is simple, but the user comfort deteriorates and kitchen space requirements worsen
Solution Approach 1:
The patent changes the removal direction from the axial direction (parallel to spindle axis) to a lateral direction (perpendicular to spindle axis). This dimensional change allows the brewing unit to be removed sideways from the coffee machine, improving user comfort and accommodating kitchen spaces where vertical removal is not feasible, while maintaining relatively simple mechanism complexity through guide rails and a carriage system.
2Ease of operation
If the spindle brewing unit is removed vertically upwards, then the removal path is clear, but the kitchen space requirements worsen due to overhead cabinet restrictions
Solution Approach 1:
The patent transitions the removal direction from vertical (overhead) to lateral (sideward). This allows the brewing unit to be removed through the side of the coffee machine rather than vertically upwards, eliminating conflicts with overhead kitchen cabinets and reducing the vertical space requirement while maintaining an accessible removal path.
3Stability of the object's composition
If the coupling device is integrated permanently, then the structural integrity is improved, but the ease of maintenance deteriorates
Solution Approach 1:
The patent segments the coupling device into detachable components that can be separated from the brewing unit. This segmentation allows the coupling device to be removed independently for cleaning and maintenance while keeping the main brewing unit intact, thereby improving ease of repair without compromising structural integrity during normal operation when the components are assembled.
Data Source
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AI summary
The machine (1) has a spindle brewing unit (3) provided with a brewing device (9) and coupled to a driven shaft (13) of a motor, where a threaded spindle (5) drives the brewing device. A removal device (10) removes the brewing unit from the machine and reinserts the brewing unit in the machine, where a removal direction (E) of the brewing unit extends orthogonal to a rotational axis (7) of the threaded spindle. A mechanical coupling device (11) couples the brewing unit at the driven shaft, where an operation direction (B) of the coupling device extends orthogonal to the rotational axis. The mechanical coupling device is designed as a gear transmission.