Rotatable Strap Ever-Ready Case for Rapid Optical Device Deployment
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Solution Overview
Problem
Hand-held optical devices, such as cameras and binoculars, are difficult to deploy quickly due to the need for additional manipulations to remove them from secure but closed cases, which slows down their rapid employment.
Innovation Solution
A carrying strap system with two rotatable flat strap parts allows for secure and comfortable carrying, enabling rapid deployment by positioning the device in a favorable orientation, with the ever-ready case fixed to one strap part and connected via a buckle, allowing for easy access and secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the device is secured in a closed case with cover or retaining clasp, then security against falling out is improved, but deployment speed deteriorates due to additional manipulations required to remove the device
Solution Approach 1:
The case is pre-opened toward the buckle, allowing the device to be quickly accessed without requiring the user to manually open a closed case. The device is positioned in advance in an easily accessible location (the case hanging at the hip), enabling rapid deployment while maintaining security during carrying.
Solution Approach 2:
The device is extracted from the traditional closed case configuration and placed in an open case that hangs freely at the hip. This extraction eliminates the need to open a closed case, allowing the device to be quickly grabbed and used without the time-consuming manipulation of opening covers or clasps.
2Reliability
If the case is fixed in a specific position, then security and stability are improved, but adaptability to different users (right-handed and left-handed) deteriorates
Solution Approach 1:
The strap connection between the case and the carrying strap is made rotatable, allowing the case to dynamically adjust its orientation. This enables the case to adapt to different users (right-handed or left-handed) while maintaining secure attachment, as the strap can rotate to accommodate different carrying positions without requiring separate designs for different user types.
Solution Approach 2:
The rotatable strap connection creates a universal design that works for both right-handed and left-handed users. The same case and strap configuration can be used by any user, as the rotatable connection allows the case to orient itself appropriately for different carrying preferences, eliminating the need for separate right-handed and left-handed versions.
3Device complexity
If the strap parts are connected rigidly, then structural simplicity is improved, but ease of operation deteriorates due to inability to adjust orientation for favorable handling
Solution Approach 1:
A rotatable connection is introduced between the two strap parts, allowing the strap to dynamically adjust its orientation to favor able handling positions. The rotation mechanism is simple in design but provides significant operational flexibility, enabling users to easily access and retrieve the device from the case without complex adjustment mechanisms.
4Volume of moving object
If the strap parts are made compact for storage, then portability is improved, but ease of operation deteriorates due to limited rotary region
Solution Approach 1:
The rotatable connection allows the strap to utilize three-dimensional space for rotation, enabling the strap to achieve favorable handling orientations without requiring excessive linear space. The rotation occurs in a radial dimension rather than requiring linear extension, allowing compact storage while maintaining operational freedom.
Data Source
AI summary
A carrying strap having an ever-ready case for hand-held optical devices is characterized in that there are provided first (2) and second (3) flat strap parts which are connected together, in each case at one of their ends, in a rotatable manner lying one on the other, such that the second strap part (3) can be rotated with respect to the first strap part (2), in that the free ends of the strap parts (2, 3) can be connected together with a buckle (5, 5′, 5″) and in that an ever-ready case (6) which is open toward the part (5′) of the buckle (5) on the first strap part (2) is fixed to the first strap part (2) in the rotary region of the strap parts (2, 3).