Self-inking Stamp Handle Integration for Pad Replacement
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Solution Overview
Problem
Existing stamp designs with replaceable ink pads require complex manipulation steps for pad replacement, leading to user frustration and increased risk of contamination, while also compromising on safety and aesthetics due to protrusions and visual obstructions.
Innovation Solution
The design incorporates a surface angled at 45° on the lateral surface of the carrying device for secure horizontal and vertical force distribution, allowing for easy positioning and removal of the stamp pad without direct contact with ink, and features handle elements that facilitate lateral gripping and secure holding, ensuring accurate alignment and reduced contamination risk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If handle elements are made to laterally protrude over the lateral surfaces of the stamp pad for easy gripping, then ease of operation is improved, but device complexity increases and aesthetics are compromised
Solution Approach 1:
The handle elements are merged with the carrying device body, forming an integrated structure where the handles are extensions of the device itself rather than separate components. This integration simplifies the overall structure while maintaining the gripping function.
Solution Approach 2:
The carrying device serves multiple functions: it holds the stamp pad, provides gripping handles, and acts as the main body structure. The handles are designed to serve both as structural elements and as gripping surfaces, eliminating the need for additional dedicated handle components.
2Reliability
If a series of manipulations is required for stamp pad replacement, then reliability of secure attachment is improved, but ease of operation deteriorates
Solution Approach 1:
The replacement process is segmented into distinct phases: the carrier is first removed from the stamp body, then the stamp pad is removed from the carrier, and finally a new pad is installed. This segmentation allows each step to be performed independently and simply, reducing the overall complexity.
Solution Approach 2:
The carrier device is extracted as a separate removable component from the stamp body, allowing the stamp pad to be accessed and replaced without manipulating the entire stamp assembly. This extraction simplifies the replacement process by isolating the necessary components.
3Ease of operation
If the stamp pad is compressed on the lateral handle elements for removal, then ease of operation is improved, but device complexity increases due to engagement elements
Solution Approach 1:
The compression of the stamp pad against the lateral handle elements automatically activates the release mechanism. The user's natural gripping action compresses the pad, which in turn releases the engagement elements, allowing removal without requiring separate manual activation of release mechanisms.
Solution Approach 2:
The lateral handle elements serve as intermediaries between the user's gripping force and the engagement elements. Compression against the handles translates into force that automatically disengages the locking mechanism, providing a smooth and intuitive removal process.
Data Source
AI summary
The technology describes a stamp and stamp pad for a self-inking stamp, having a housing or a carrying device for a pad for absorbing ink. The carrying device is rectangular in shape, having a base plate with longitudinal surfaces and lateral surfaces moulded thereon. On two surfaces running in parallel handle elements for the lateral gripping of the carrying device are arranged. On the lateral surface a handle element for the lateral gripping and pulling of the carrying device out of a stamp are formed of a plurality of parts displaceable within one another. The handle elements are formed for insertion in a clearance of a lower part of the stamp and do not protrude out of the outer surface of the lower part, so that an upper part of the stamp is displaceable via the clearance with the handle elements inserted in the lower part.