Portable Marking Appliance with Positioning Nose and Display Screen
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Solution Overview
Problem
Portable marker appliances are not ergonomic, leading to inaccuracies in marking due to bulkiness and lack of visibility of the two-dimensional marking zone, and they often require disengagement from the surface to verify the marking, with insufficient adjustment options for impact force based on the material being marked.
Innovation Solution
A portable marker appliance with a housing featuring a display screen and a positioning nose that allows simultaneous viewing of the two-dimensional marking zone and the screen, along with a movement device and adjustable carriage for precise control of the marker member, enabling ergonomic operation and accurate marking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a display screen is added to the housing to show the marking to be made, then the operator can verify the marking before execution, but the appliance becomes bulkier and less ergonomic
Solution Approach 1:
The display screen is positioned on the top surface of the housing rather than on the front or side faces, utilizing the vertical dimension to provide viewing access without increasing the horizontal footprint. This allows the operator to view the display from above while maintaining a compact overall form factor that preserves ergonomics.
Solution Approach 2:
The top surface of the housing serves dual functions: it provides structural support as part of the housing body and simultaneously serves as the mounting surface for the display screen. This multi-functionality eliminates the need for additional dedicated space for the display, avoiding bulkiness.
2Measurement precision
If the operator disengages the marker member from the surface to verify the marking on the screen, then the marking accuracy can be checked, but the marking operation becomes less efficient and reliable
Solution Approach 1:
The display screen provides real-time or pre-execution feedback about the marking to be made, allowing the operator to verify accuracy without disengaging the marker member. The positioning nose also provides visual feedback by defining the marking zone boundaries, enabling continuous verification during the marking operation.
Solution Approach 2:
The display screen shows the marking to be made before the marker member contacts the surface, allowing the operator to verify the intended marking in advance. This preliminary visualization eliminates the need to disengage for verification, maintaining continuous contact and operational efficiency.
3Ease of operation
If the housing architecture is simplified to improve ergonomics, then the appliance becomes more portable, but it becomes difficult to ensure correct pressing against the surface for marking
Solution Approach 1:
The positioning nose provides visual indication (through its geometric definition and opening) of the correct pressing position and orientation. The operator can visually verify that the appliance is correctly positioned against the surface by aligning with the defined marking zone boundaries.
Solution Approach 2:
The positioning nose automatically guides the operator to the correct pressing position and orientation through its geometric design. The structure itself provides the alignment references, eliminating the need for complex external alignment mechanisms or procedures.
4Ease of operation
If the appliance is made compact to improve ergonomics, then portability increases, but the two-dimensional marking zone cannot be viewed by the operator
Solution Approach 1:
The positioning nose utilizes the vertical dimension by extending upward from the housing to create an opening that provides a viewing path from above. This allows the operator to view the marking zone without increasing the horizontal dimensions of the appliance, maintaining compactness while providing visibility.
Solution Approach 2:
The positioning nose is designed as a separate component that defines the marking zone boundaries and provides viewing access. This segmentation allows the marking zone to be visually accessible through the opening while the rest of the housing remains compact.
Data Source
AI summary
The invention relates to a portable appliance for marking a surface, the appliance comprising a housing (2) presenting a front face that is open for passing a marker member that is moved by a device for moving the marker member in a two-dimensional marking zone (Z). The housing is provided with a positioning nose (30) for positioning the appliance over the surface for marking, the positioning nose defining firstly the two-dimensional marking zone (Z) facing the front face of the housing and at a distance from the front face, and secondly an opening (35) extending the top wall for enabling the two-dimensional marking zone to be viewed, the top wall of the housing being fitted with a display screen in such a manner that the screen and the two-dimensional marking zone as seen through the opening of the positioning nose appear simultaneously in the field of view of an operator.