Spring-Loaded Control Wire Clamp for One-Handed Tree Branch Stowing

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Solution Overview

Problem

Existing clamp designs fail to securely and easily adjust the control member of an artificial Christmas tree to transition between stowed and deployed positions, often requiring two hands and being cumbersome in managing tension or slack.

Innovation Solution

A control wire clamp with a clamping mechanism that includes a spring-loaded handle allowing single-handed operation to secure or release the control member, enabling easy adjustment between clamped and unclamped states, and utilizing base channels with frictional surfaces to secure the control member in place.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If existing clamp designs are used to secure the control member, then the control member can be held in place, but the clamp is cumbersome and difficult to operate with a single hand

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

Solution Approach 1:

The clamp incorporates a spring-loaded handle that can be dynamically adjusted between clamped and unclamped states. The spring mechanism allows the handle to be easily pressed to release the control member and automatically returns to the clamped position, enabling single-handed operation while maintaining secure holding capability.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The spring mechanism provides self-service by automatically returning the handle to the clamped position after being pressed. This eliminates the need for manual resetting or complex adjustment mechanisms, simplifying operation while maintaining functionality.

Inventive Principle:
Principle #25Self-service

2Reliability

If existing clamp designs are used to secure the control member, then the control member can be held in place, but it is difficult to apply or release clamping pressure

Engineering Contradiction:
ImprovereliabilityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The spring is pre-loaded to automatically apply clamping pressure as soon as the handle is released. This preliminary action ensures the control member is immediately secured without requiring manual adjustment or complex mechanisms, maintaining reliability while simplifying operation.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The spring mechanism performs the work of applying and maintaining clamping pressure automatically. The user only needs to press the handle to release, and the spring handles all clamping actions, making the device reliable and easy to operate simultaneously.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If the control member is secured with existing clamps, then the branches can be held in stowed or deployed position, but the clamp requires two hands to adjust tension or slack

Engineering Contradiction:
ImproveadaptabilityVSAvoidease of operation
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The spring-loaded handle allows dynamic adjustment of the control member tension by simply pressing the handle to release and repositioning the control member. The spring automatically maintains appropriate tension, providing adaptability for different positions (stowed/deployed) while requiring only one hand for adjustment.

Inventive Principle:
Principle #15Dynamics

4Ease of manufacture

If a simple clamp design is used, then the device is easy to manufacture, but it cannot adequately secure the control member to maintain tension or slack

Engineering Contradiction:
Improveease of manufactureVSAvoidreliability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The spring-loaded mechanism adds dynamic clamping capability that reliably secures the control member in various tension states. The spring automatically adjusts to maintain appropriate clamping force, providing reliability while keeping the overall design simple and manufacturable.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The spring mechanism automatically adjusts and maintains clamping pressure, eliminating the need for complex adjustment mechanisms or multiple components. This self-adjusting feature provides reliable securing of the control member while keeping the design simple for manufacturing.

Inventive Principle:
Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables secure, single-handed adjustment of the control member to easily transition the tree branches between stowed and deployed positions, facilitating storage and deployment while maintaining tension or releasing slack efficiently.

Implementation Method 1

a spring configured to apply a spring force to the clamp handle

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

base channels with frictional surfaces to secure the control member in place

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP3260022B1Artificial tree binding system with control wire clamp for securing control wires used to place hinged branches of an artificial christmas tree in a stowed position
Publication Date: 2019.03.13 POLYGROUP MACAU BVI
  • EP3260022B1 patent drawingFigure 1
  • EP3260022B1 patent drawingFigure 2
  • EP3260022B1 patent drawingFigure 3A~3B

AI summary

The disclosed technology includes a control wire clamp for securing a control member, such as a control wire, in place. The default state of the control wire clamp may be a clamped state. The control wire clamp may be placed in an unclamped state by applying force to a clamp handle.