Christmas tree stand
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Solution Overview
Problem
Existing Christmas tree stands are often cumbersome and require multiple people to install, can be difficult to use, and do not provide a secure and stable base for varying tree trunk diameters and shapes, while also making it hard to check and maintain the water level.
Innovation Solution
A Christmas tree stand with a frustoconical base, an expandable elastomeric clamp, and a trough for easy water level monitoring, allowing single-person installation and secure trunk fixation using spikes and a biased clamping mechanism that adjusts easily to different trunk sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manually adjusted screws are used to secure the tree trunk, then the tree can be held upright and stable, but multiple people are required for installation and adjustment
Solution Approach 1:
The clamp mechanism is designed to automatically adjust and secure the tree trunk without requiring manual intervention. When the tree trunk is inserted into the stand, the weight of the tree causes the clamp to close and grip the trunk automatically, eliminating the need for multiple people to manually tighten screws or make adjustments.
Solution Approach 2:
The patent replaces the manual screw-and-nut mechanical fastening system with an automatic spring-loaded clamp mechanism. This substitution eliminates the need for iterative manual adjustment while maintaining secure holding of the tree trunk through elastic mechanical force.
2Reliability
If screws are positioned to obtain relative stability, then the tree can be secured, but the water reservoir becomes difficult to access for checking water level and adding water
Solution Approach 1:
The stand is divided into distinct functional components: the clamp mechanism for securing the tree trunk and the water reservoir for hydration. This segmentation allows the water reservoir to be positioned independently at the base of the stand, making it easily accessible for monitoring and refilling without compromising tree stability.
3Ease of operation
If a foot pedal adjusted clamp mechanism is used, then single-person installation is enabled, but the device becomes much more expensive due to complicated mechanism
Solution Approach 1:
The clamp mechanism utilizes the tree's own weight to activate the clamping action. When the tree trunk is placed in the stand, gravity causes the trunk to push against the clamp, which then closes and secures the tree automatically. This self-activating mechanism eliminates the need for foot pedals, levers, or other complex adjustment devices.
Solution Approach 2:
The patent employs simple, inexpensive components such as spring-loaded arms and basic friction-based clamping surfaces rather than complex mechanical systems. This approach prioritizes cost-effectiveness and simplicity over sophisticated adjustable mechanisms.
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 quick, single-person installation and maintenance of Christmas trees, providing a stable and secure base while allowing easy access to the water level and easy removal at the end of the season.
Implementation Method 1
an expandable elastomeric clamp which is opened as a Christmas tree is forcibly inserted therein, and then biased in a closed position around the tree trunk
Implementation Method 2
biased in a closed position around the tree trunk so as to hold the Christmas tree in an upright and stable position
Data Source
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AI summary
A tree stand (10) for removably supporting a tree includes a base (12) having a water basin (18). A plurality of spaced apart jaws (28) are biased upwardly and inwardly of an axis of the base to (12) form an expandable clamp. An end (6) of a trunk (4) of the tree forcibly expands the jaws (28) against their bias (30) as the trunk (4) is inserted into the water basin (18). The jaws (28) of the clamp engage an outer surface of the trunk (4) as they are biased towards their closed position to hold the tree vertically upright and stable.