Button hook pad hanger
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Solution Overview
Problem
Conventional elevator pad hangers face challenges in accommodating varying peg spacings, requiring costly modifications or adjustments, which can compromise the strength and durability of the pads and the elevator hardware.
Innovation Solution
A flexible trim with adjustable openings, made from materials like nylon, is attached to the elevator cover, allowing for easy alignment with knobs of varying spacings, providing a one-size-fits-all solution that reduces manufacturing and installation costs by avoiding the need for precise matching of hole configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional metal hangers or clips are used to attach elevator pads to walls, then the pads can be securely attached, but the hole spacing in the pads must precisely match the peg spacing in the elevator, requiring costly modifications if they don't match
Solution Approach 1:
The button hook pad hanger incorporates a flexible trim with multiple openings that can be positioned at different locations along the trim. This flexibility allows the openings to be aligned with various knob spacings in different elevators, enabling the same pad hanger design to adapt to different installation requirements without modification.
Solution Approach 2:
The hanger is divided into a pad portion and a separate trim portion with multiple openings. The trim can be selectively positioned and attached at different locations, allowing the openings to align with various knob positions. This segmentation enables versatility in accommodating different peg spacings while maintaining secure attachment.
2Adaptability or versatility
If additional holes or modifications are made to the pad to accommodate different peg spacings, then compatibility with various elevators is achieved, but the strength and durability of the pad are compromised
Solution Approach 1:
The hanger system separates the attachment functionality into a distinct trim component with multiple pre-formed openings, rather than modifying the pad itself. The trim is attached to the pad at a single location, and its openings can be positioned to match various knob spacings, providing versatility without compromising pad strength.
Solution Approach 2:
The flexible trim acts as an intermediary element between the pad and the elevator knobs. It provides the adaptability needed to match different knob spacings through its multiple openings, while the pad itself remains unmodified and maintains its full structural integrity.
3Adaptability or versatility
If the peg spacing in the elevator is adjusted to match the pad hole spacing, then the pads can be attached, but the process becomes costly and difficult
Solution Approach 1:
The flexible trim with multiple openings provides adaptability on the pad hanger side rather than requiring adjustment of the fixed elevator knobs. This reverses the conventional approach, making the hanger system adjustable to match various elevator configurations without modifying the elevator itself, thereby simplifying installation and reducing costs.
4Ease of manufacture
If a one-size-fits-all hanger design is used, then manufacturing and installation costs are reduced, but the ability to accommodate varying knob spacings is limited
Solution Approach 1:
The button hook pad hanger with flexible trim and multiple openings serves multiple functions: it can accommodate various knob spacings, different pad sizes, and different installation locations. This universal design allows a single hanger type to be used across different elevator configurations, reducing the need for multiple specialized hanger designs while maintaining adaptability.
Data Source
AI summary
Embodiments are directed to protecting an elevator. A plurality of knobs may be provided, each respective knob comprising a respective base having a vertical portion, a horizontal portion, a suspension portion, and a face that are coupled to each other. Each knob may also comprise a respective stem coupled to the face of the respective base. The knobs may be hung from an upper edge of a wall panel or suspended ceiling grid in an elevator. A cover may be provided, the cover having a plurality of openings in the cover disposed along the upper edge of the cover. The cover may be hung from the knobs with each knob having the distal end portion of the respective stem extending through a respective one of the openings in the cover.