Published Technical Disclosure Archive

Advanced Cutting Deck Lifting Device Innovation

Publication ID: 24-11856886_0006_PTD
Published: October 26, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Cutting Deck Lifting Device Innovation,” Published Technical Disclosure No. 24-11856886_0006_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856886_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,856,886.

Background and Problem Solved

The original cutting deck lifting device had limitations in terms of operator comfort and device stability. This invention addresses these limitations by introducing novel features that improve the lifting experience and reduce vibrations, making it more efficient and safer to use.

Novelty and Inventive Step

The new claims introduce novel features such as ergonomic pedal design, shock-absorbing mechanisms, self-lubricating bearings, and real-time height detection, which are not present in the original patent and provide a significant improvement over the existing technology.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include varying the design of the pedal assembly, using different types of shock-absorbing materials, or incorporating additional sensors to detect other parameters such as cutting deck angle or speed.

Potential Commercial Applications and Market

The enhanced cutting deck lifting device has significant commercial potential in the lawn care and landscaping industries, where efficient and safe cutting deck lifting is critical. The invention could be marketed as a premium product, targeting professional landscapers and lawn care services.

CPC Classifications

SectionClassGroup
A A01 A01D34/74
A A01 A01D2101/00

Field of Art

Agricultural machinery, specifically lawn mower cutting deck lifting mechanisms, involving mechanical design, ergonomics, and precision height adjustment systems

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in agricultural equipment design, familiar with mechanical linkages, adjustment mechanisms, and ergonomic design principles for user interaction with machinery controls

Obviousness Rationale

A person of ordinary skill would recognize that the PTD's variations represent predictable engineering improvements to the source patent's cutting deck lifting device, utilizing standard design techniques to enhance functionality, user experience, and mechanical performance through incremental modifications

Obvious Combinations & Variations

Source Patent Element
Pedal assembly for adjusting cutting deck height
PTD Variation
Ergonomically redesigned pedal to reduce operator fatigue
Obviousness Reasoning
Ergonomic optimization is a standard design approach for improving user interaction, involving known human factors engineering techniques that would be obvious to apply to existing mechanical controls
Source Patent Element
Mechanical connecting assembly between pedal and cutting deck
PTD Variation
Incorporating self-lubricating bearings to reduce friction and wear
Obviousness Reasoning
Using advanced bearing technologies to improve mechanical component durability is a predictable engineering solution within the skill of an ordinary practitioner in mechanical design
Source Patent Element
Basic cutting deck lifting mechanism
PTD Variation
Adding shock-absorbing mechanism to reduce vibrations
Obviousness Reasoning
Vibration mitigation is a well-known engineering technique for improving mechanical system stability, representing a straightforward design enhancement using standard shock absorption principles
Source Patent Element
Manual height adjustment mechanism
PTD Variation
Integrating real-time height detection sensor for operator feedback
Obviousness Reasoning
Adding electronic sensing to mechanical systems is a common design evolution, utilizing standard sensor integration techniques to provide additional user information
Source Patent Element
Fixed positioning mechanism for cutting deck
PTD Variation
Sliding rail system with multiple height configurations
Obviousness Reasoning
Modifying positioning mechanisms to provide increased adjustment flexibility is a predictable design variation using known mechanical translation principles
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11856886, the variations disclosed herein would be obvious to a person having ordinary skill in agricultural machinery design, as they represent predictable engineering improvements utilizing standard techniques of mechanical design, ergonomic optimization, and sensor integration, thereby rendering obvious any claims directed to substantially similar cutting deck lifting device configurations

Original Patent Information

Patent NumberUS 11,856,886
TitleCutting deck lifting device and mower having cutting deck lifting device
Assignee(s)Globe (Jiangsu) Co., Ltd.