Target Launching Device With Adjustable Flap

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Solution Overview

Problem

Existing target launching devices have complex adjustment mechanisms and often cannot change the target trajectory effectively, limiting the co-action between the launch zone and the target.

Innovation Solution

A target launching device with a concave longitudinal supporting surface parallel to the rotary launching arm, featuring an adjustable flap that modifies the supporting surface's angle, allowing easy adjustment of the target's exit angle between 30° to 90°, enabling versatile launch directions without requiring the entire device or target storage system to be mobile.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the target storage system and launching arm are made mobile to adjust trajectory, then the trajectory adjustment capability is improved, but the device complexity increases

Engineering Contradiction:

Improvetrajectory adjustment capabilityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The supporting surface is divided into a fixed first portion and a movable second portion (flap). The flap can be independently adjusted to change the launch angle while the main body of the device remains stationary. This segmentation allows trajectory adjustment without making the entire device mobile, thus reducing complexity while maintaining adaptability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The second portion of the supporting surface is designed as a movable flap that can rotate or pivot to adjust the launch angle. This dynamic element allows the trajectory to be changed by moving only a small part of the device rather than the entire structure, resolving the contradiction between adaptability and complexity.

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If a large part of the device is made mobile to change launch angle, then the trajectory adjustment range is improved, but the ease of operation deteriorates

Engineering Contradiction:

Improvetrajectory adjustment rangeVSAvoidease of operation

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

By segmenting the supporting surface into a fixed base portion and a movable flap portion, the invention allows trajectory adjustment through a small, easily manipulated component rather than a large mobile structure. The flap's independence from the main device body makes it simple to adjust while maintaining stability during launch.

Inventive Principle:

Principle #1Segmentation

3Device complexity

If the supporting surface is made fixed to simplify the device, then the device complexity is reduced, but the trajectory adjustment capability deteriorates

Engineering Contradiction:

Improvedevice complexityVSAvoidtrajectory adjustment capability

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The invention introduces a dynamic element (movable flap) to the supporting surface that allows angle adjustment. This dynamic component is integrated in a way that maintains overall device simplicity while providing the necessary adaptability for trajectory changes, resolving the contradiction between simplicity and versatility.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS9057589B2Target launching device

Publication Date: 2015.06.16 LAPORTE HLDG (SAS)

AI summary

A target launching device comprising a surface supporting a target to be launched and a rotary launch arm capable of applying a launch force on the target, characterized in that the supporting surface has a concave longitudinal profile located in a plane parallel to the rotation plane of the launch arm. The invention is particularly suitable for launching archery targets.