Compact Tree Trimmer with Pivotable Pedestal
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Solution Overview
Problem
Conventional tree-trimming apparatuses require outriggers for stability, which reduces mobility and increases operation time, especially in confined spaces and uneven terrain, and often cannot reach vegetation near power lines or in residential areas without compromising stability.
Innovation Solution
A compact mobile tree-trimming apparatus with a pivotable pedestal and boom support system that maintains center of gravity stability without outriggers, allowing for remote operation and use in confined spaces and uneven terrain, featuring a control system to adjust the boom's position and maintain stability on inclined surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If outriggers are used to stabilize the apparatus, then stability is improved, but mobility is reduced and operation time increases
Solution Approach 1:
The patent removes the outrigger component entirely from the system. Instead of using conventional outriggers for stabilization, the invention employs a mobile carriage with a low center of gravity design and a pivotable boom system that inherently maintains stability during operation without requiring external stabilizing legs or outriggers, thereby eliminating the time-consuming setup and teardown processes
Solution Approach 2:
The patent implements a dynamic stabilization system where the boom can pivot about a horizontal axis and the carriage can move freely. The system maintains stability through its low center of gravity and balanced design, allowing the boom to be positioned at various angles while the carriage remains stable on uneven terrain without requiring static outrigger support
2Reliability
If outriggers are deployed for stability, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent eliminates the outrigger subsystem entirely, removing the associated complexity of outrigger deployment mechanisms, locking systems, and positioning controls. The stability function is achieved through the inherent design of the mobile carriage and pivotable boom system, significantly reducing the number of moving parts and control systems required
Solution Approach 2:
The patent concentrates the stabilization function in the low center of gravity design of the mobile carriage itself, rather than distributing it across multiple outrigger points. This localized approach to stability reduces the overall system complexity by eliminating the need for multiple outrigger mechanisms and their associated control systems
3Ease of operation
If the apparatus is made compact for mobility, then ease of operation is improved, but reach capability is reduced
Solution Approach 1:
The patent employs a pivotable boom system that can rotate about a horizontal axis, allowing the compact carriage to reach vegetation at various heights and angles. The boom's ability to dynamically adjust its position compensates for the compact size of the carriage, providing extended reach capability while maintaining a small footprint for easy mobility
Solution Approach 2:
The patent adds the dimension of vertical reach through the pivotable boom mechanism. While the carriage remains compact for easy navigation through confined spaces, the boom extends the working envelope vertically and angularly, allowing the cutting device to access vegetation at elevated positions without requiring a larger base vehicle
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 efficient and safe tree trimming in hard-to-reach locations without the need for outriggers, improving mobility and reducing operation time by maintaining stability on various surfaces, including inclined and confined areas.
Implementation Method 1
A first center of gravity location of mass pivoted by the first and second pivot mechanisms is acted upon by gravity along a first gravitational axis
Data Source
AI summary
An apparatus, such as for tree trimming, includes a mobile carriage having a frame and a pedestal supported by the frame. The apparatus further includes a boom, such as a telescoping boom that is secured to the pedestal through a boom support. The pedestal is pivotable with respect to the carriage frame so that the boom may be selectively operated in a variety of orientations. The mobile carriage of the apparatus is sufficiently compact to fit though tight openings, while also being capable of stably supporting boom extension for operation of a distal end of the boom at elevated heights.