Crossbow Shooting Aid Pivoting Rod Stability

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Solution Overview

Problem

Current shooting aids for crossbows lack a stable and adjustable mechanism to support the weapon, resulting in reduced accuracy and control during aiming and firing.

Innovation Solution

A shooting aid with a pivoting rod and frame that can be securely attached to a crossbow, allowing it to rest on horizontal surfaces, providing enhanced stability and aiming control by extending and retracting to accommodate different shooting positions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a shooting aid is attached to a crossbow to improve aiming accuracy, then the stability and control during aiming are improved, but the device complexity and attachment mechanism requirements increase

Engineering Contradiction:
Improveaiming accuracyVSAvoidattachment mechanism complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The shooting aid incorporates a pivoting rod that can rotate between a stored position (parallel to the handle) and an extended shooting position. This dynamic mechanism allows the aid to adapt to different shooting scenarios while maintaining a compact form when not in use, resolving the contradiction between providing stable support and avoiding excessive complexity

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The shooting aid is designed to be attachable at multiple locations on the crossbow (front of the handle, rear of the handle, or cocking stirrup), making it a universal accessory that can serve different shooting styles and preferences. This multi-functionality approach allows a single device to provide aiming support without requiring multiple specialized attachments

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Stability of the object's composition

If the shooting aid is designed to rest on horizontal surfaces for stability, then the control during shooting is improved, but the adaptability to different shooting positions and surfaces is reduced

Engineering Contradiction:
Improveshooting stabilityVSAvoidadaptability to shooting positions
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The pivoting rod mechanism allows the shooting aid to transition between stored and extended positions, enabling the user to adapt the device to different shooting scenarios. When extended, it provides stable support on horizontal surfaces; when stored, it does not interfere with handheld shooting positions

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The shooting aid changes its spatial configuration parameter by pivoting the rod between positions. This parameter change allows the same device to provide stability when needed (resting on surfaces) while maintaining versatility for different shooting positions by simply changing the rod's angular position

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If the shooting aid includes a pivoting rod mechanism for extension and retraction, then the ease of operation is improved, but the device complexity increases

Engineering Contradiction:
Improveease of deploymentVSAvoidmechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The pivoting rod provides a simple rotational movement that is intuitively easy to operate - the user simply rotates the rod from its stored position to the extended shooting position. This dynamic mechanism achieves ease of operation through a single degree of freedom rotation rather than complex multi-step deployment procedures

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Instead of having the shooting aid permanently extended and requiring retraction, the design inverts the approach by having it permanently stored and requiring extension only when needed. This inversion simplifies the default state and makes the deployment action simple and intentional, reducing operational complexity

Inventive Principle:
Principle #13The other way round (Inversion)

Data Source

PatentUS10436541B2Shooting aid
Publication Date: 2019.10.08 ENGLERT NICOLE CATHERINE
  • US10436541B2 patent drawing
  • US10436541B2 patent drawing
  • US10436541B2 patent drawing

AI summary

A shooting aid for removable attachment to a weapon allows the weapon to rest upon another surface for more accurate shooting. The shooting aid is pivotally connected to the weapon and may be moved 180 degrees between extended and stored positions. When in the extended position, the shooting aid includes first and second spaced arms which extend substantially parallel to the longitudinal axis of the weapon and beyond the length of the weapon. In a preferred embodiment, the shooting aid is for a crossbow and the arms extend closely adjacent to and beyond the cocking stirrup when in the extended position.