Centre Arm Weight Relief with Closed Hygienic Adjustment
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Solution Overview
Problem
Existing centre arm devices for contact grilling or roasting have complex constructions that are difficult to clean, prone to soiling, and offer imprecise and laborious weight relief adjustments, compromising hygiene and handling efficiency.
Innovation Solution
A centre arm with a control profile element featuring a stepped design and axial movement mechanism for precise weight relief, incorporating a control profile element with latch steps and guide rods for easy adjustment and improved hygiene, ensuring a closed structure that prevents contamination and facilitates cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the adjusting device is arranged in the pivotable centre arm element with an aperture for the adjusting knob, then weight relief adjustment is possible, but the risk of soiling increases and cleaning becomes difficult
Solution Approach 1:
The adjusting device is extracted from the pivotable centre arm element and mounted on the stationary centre arm element. The adjusting knob is positioned outside the pivotable element, eliminating the aperture that caused soiling issues while maintaining adjustment functionality. The control profile element with latch steps provides the necessary adjustment mechanism without requiring openings in the pivotable element.
Solution Approach 2:
The control profile element with latch steps acts as an intermediary mechanism between the adjusting knob and the sliding element. This intermediary structure allows adjustment to be performed through external manipulation of the adjusting knob while the actual weight relief mechanism remains enclosed within the stationary element, preventing contamination.
2Ease of operation
If the adjusting device uses a complex construction with multiple components, then weight relief adjustment functionality is achieved, but the device complexity increases
Solution Approach 1:
The control profile element combines multiple functions into a single integrated component. It provides both the guide function for the sliding element and the adjustment mechanism through its latch steps. The control profile element merges the previously separate components (guide structure, adjustment mechanism, and positioning system) into one unified element, reducing overall device complexity.
Solution Approach 2:
The control profile element serves multiple purposes: it guides the sliding element, provides adjustment positions through latch steps, and enables weight relief control. This multi-functional design eliminates the need for separate components for each function, simplifying the overall adjusting device structure while maintaining full functionality.
3Measurement precision
If the adjusting device allows fine adjustment of weight relief, then precise weight control is achieved, but the adjustment process becomes laborious
Solution Approach 1:
The adjusting mechanism uses a dynamic latch system where the latch step can engage or disengage from the control profile element's notches. This dynamic engagement provides precise positioning at discrete weight relief levels while allowing easy transition between levels. The spring-loaded latch automatically engages with the notches, providing precise control without requiring manual threading or complex adjustment procedures.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a hygienic and easy-to-clean centre arm with precise weight relief adjustments, enhancing handling and reliability by simplifying the adjustment process and reducing the risk of soiling, while maintaining effective weight distribution for contact grilling or roasting.
Implementation Method 1
a return element arranged on the free end of the guide means and secured by a stop means between the sliding element and the stop means
Implementation Method 2
a guide means which is constructed and designed at one end for pivotable mounting and on which is movably arranged a sliding element
Implementation Method 3
a return element arranged on the free end of the guide means and secured by a stop means between the sliding element and the stop means
Data Source
AI summary
The invention concerns a centre arm for holding an upper contact grilling or roasting plate, the centre arm having a substantially vertical supporting section and a holding section which is arranged pivotably on the vertical supporting section and to which is attached the contact grilling or roasting plate, and in the holding section being arranged a device for weight relief for the upper contact grilling or roasting plate to be fitted on the holding section, the device for weight relief including at least one guide means which is constructed and designed at one end for pivotable mounting and on which is movably arranged a sliding element, a return element arranged on the free end of the guide means and secured by a stop means between the sliding element and the stop means, and also an adjusting device which can be actuated by means of an actuating element for varying the distance between the sliding element and the stop means in the longitudinal direction of the guide means, which is distinguished in that the adjusting device includes a control profile element which has a control profile for bringing about an axial movement of the sliding element in the longitudinal direction of the guide means. Furthermore the invention concerns a contact grilling or roasting device having such a centre arm.