Portable Ground Blind with Adjustable Arm Frame
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Solution Overview
Problem
Existing portable hunting blinds are inadequate as they fail to provide complete concealment from wildlife beyond a direct front view, are cumbersome and heavy, difficult to set up, and lack adjustability for optimal viewing and shooting positions.
Innovation Solution
A portable ground blind device featuring a sheet of material attached to a frame assembly with pivotally connected leg and arm members, forming a three-dimensional structure that can be adjusted to create various configurations, including a tripod support, and incorporating a gun rest for adjustable elevation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flat sheet of fabric is mounted to a collapsible frame to form a two-dimensional wall, then the blind can be portably set up, but the user is only concealed from wildlife directly in front of the blind and can be seen around the edges
Solution Approach 1:
The patent transitions from a two-dimensional flat sheet to a three-dimensional structure by adding depth through adjustable arms and positioning the sheet away from the user's body. This creates multiple planes of concealment including front, side, and rear coverage, eliminating the edge-exposure problem of flat sheets while maintaining portability.
Solution Approach 2:
The blind incorporates adjustable arms that can be positioned at various angles and heights, allowing the sheet to be configured in different three-dimensional arrangements. This dynamic adjustability enables the user to optimize concealment coverage for different shooting positions and wildlife approaches while keeping the structure collapsible for transport.
2Adaptability or versatility
If existing portable blinds are made large enough to provide coverage, then concealment is improved, but the blinds become heavy and cumbersome to transport and set up
Solution Approach 1:
The blind is divided into separate components: a collapsible frame with adjustable arms, a removable sheet, and positioning mechanisms. This segmentation allows each part to be optimized independently - the frame provides structural support with minimal weight, while the sheet can be made from lightweight camouflage material. The modular design enables easy assembly and disassembly without requiring heavy construction.
Solution Approach 2:
The patent uses a thin fabric sheet as the concealment surface rather than rigid panels or heavy structures. This flexible sheet can be easily attached to the adjustable frame and provides effective concealment while adding minimal weight. The thin film approach allows the blind to maintain large coverage area without proportionally increasing weight.
3Adaptability or versatility
If existing portable blinds are made large enough to provide coverage, then concealment is improved, but the blinds become cumbersome and difficult to set up in the field
Solution Approach 1:
The adjustable arms with pivot joints allow for quick positioning and locking at desired angles without requiring complex fastening operations. The collapsible frame can be rapidly deployed from a compact configuration to an extended shooting position. This dynamic design enables field setup in minutes rather than hours, maintaining large coverage while improving ease of operation.
Solution Approach 2:
The frame and sheet are designed to be pre-assembled or pre-attached in a compact state for transport, eliminating the need for complex field assembly. The sheet can be pre-secured to the frame in a rolled or folded configuration, and the adjustable arms are pre-positioned in a retracted state. This preliminary preparation significantly reduces setup time and complexity in the field.
4Adaptability or versatility
If existing portable blinds use a fixed structure, then manufacturing is simplified, but the blinds lack adjustability for optimal viewing and shooting positions
Solution Approach 1:
The frame incorporates adjustable arms with pivot joints that allow positioning at multiple angles and heights. These joints can be locked at desired positions, providing customizable viewing and shooting angles. The dynamic structure enables the same frame to accommodate different user heights, shooting positions (prone, kneeling, standing), and wildlife distances without requiring multiple fixed configurations.
Solution Approach 2:
The adjustable frame design serves multiple functions: it provides structural support, enables position adjustment for different users and shooting scenarios, and allows optimization of the sheet's positioning for various wildlife approaches. This multi-functional design achieves position adaptability without proportionally increasing structural complexity, as the same adjustable mechanisms serve multiple purposes.
Data Source
AI summary
A portable ground blind device having a sheet of material combined with a frame assembly. The frame assembly includes a connector member pivotally combined with one or more leg support members for supporting the device on the ground surface and one or more arm members for supporting a top portion of the sheet. The sheet may include sleeves or casings adapted to receive portions of the support members and arm members to combine the sheet with the frame. The sheet covers the leg support members to form a three dimensional covered pocket under the frame. The arm members may include pivot joints for adjusting a first arm member portion relative to a second arm member portion, each portion can be separately adjusted relative to the frame assembly. A gun rest is adjustably combined with the connector member.