Telescopic Seat Height Adjustment Mechanism for Exercise Equipment
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Solution Overview
Problem
Existing seat height adjustment mechanisms for exercise equipment are inadequate for fine-tuning seat height and often require exercisers to dismount or assume awkward positions to adjust, leading to inefficiencies and potential injuries.
Innovation Solution
A seat height adjustment mechanism featuring a telescopic member and engagement member with a rack system, allowing for precise adjustments while seated, using a handle to actuate the mechanism and engage/disengage with the rack for upward and downward movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing seat height adjustment mechanisms are used, then seat height can be adjusted, but the adjustment capability is inadequate for fine-tuning and requires exercisers to dismount or assume awkward positions
Solution Approach 1:
The telescopic member is nested within the housing member, allowing the seat assembly to be divided into collapsible sections. This nesting arrangement enables fine-tuned height adjustments while the seat is occupied, as the telescopic member can extend and retract independently without requiring the exerciser to dismount or assume awkward positions.
Solution Approach 2:
The seat height adjustment mechanism is segmented into distinct components: a housing member, a telescopic member with engagement member, and a rack system. This segmentation allows independent adjustment of the telescopic member relative to the housing member, providing fine-tuned control over seat height while maintaining structural integrity and enabling adjustment from the seated position.
2Manufacturing precision
If existing adjustment mechanisms are used, then seat height can be changed, but fine-tuned adjustment capability is inadequate
Solution Approach 1:
The telescopic member fits within the housing member, creating a compact nested structure that provides fine-tuned adjustment capability without excessive complexity. The engagement member with rack and pawl mechanism offers precise incremental adjustments while maintaining a space-efficient design suitable for exercise equipment.
Solution Approach 2:
The engagement member acts as an intermediary between the telescopic member and the rack, providing controlled engagement and disengagement. This intermediary mechanism enables fine-tuned height adjustments through a simple lever or handle operation, avoiding the need for complex multi-component adjustment systems.
3Productivity
If adjustment is made while seated, then exercise continuity is maintained, but existing mechanisms are awkward or impossible to operate
Solution Approach 1:
The adjustment function is extracted and concentrated in a dedicated engagement member with a lever or handle that can be easily operated from the seated position. This extracted control mechanism is positioned for optimal accessibility, allowing exercisers to adjust seat height during exercise without dismounting or assuming awkward positions that would interrupt their workout.
Solution Approach 2:
The engagement member is designed to be self-operating through a simple lever or handle mechanism that the exerciser can manipulate with one hand while seated. The mechanism automatically engages and disengages the rack teeth through the motion of the lever, providing self-service adjustment capability that maintains exercise continuity without requiring complex manual intervention.
Data Source
AI summary
The present invention is a seat height adjustment mechanism for exercise equipment having a seat. Examples of such exercise equipment include: stationary exercise bicycles; road or mountain type bicycles; resistance strength training supporting racks or platforms (e.g., preacher curl benches, military or shoulder press racks, etc.) for use with free weights; and resistance strength training machines that employ as resistance weight plates, deflectable members, elastic bands, springs, hydraulic cylinders, pneumatic cylinders, etc. The mechanism comprises a member, a telescopic member, and an engagement member. The member extends upwardly and includes a rack. The telescopic member includes a first end telescopically received in the member and a seat end. The engagement member is coupled to the telescopic member and adapted to engage the rack.