Elevator Cover Trim Assembly for Flexible Hanging Without Pad Tearing
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Solution Overview
Problem
Conventional elevator pads are not easily modifiable to fit various elevator installations, often requiring costly adjustments or compromising their strength, and struggle with irregular ceiling profiles.
Innovation Solution
A cover assembly with a separate trim attached to the edge, featuring a plurality of openings to accommodate hooks or knobs, allowing for flexible positioning and easy installation without compromising the pad's integrity, using a woven synthetic material that can be cut to fit any size and attached with quick-curing adhesive.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If holes are placed in the pad to attach to pegs, then the pad can be hung in the elevator, but the pad's strength is compromised and it may tear at the holes
Solution Approach 1:
The invention divides the pad into two separate components: the main pad body and a trim piece. The trim is attached to the edge of the pad and contains the holes for hanging, while the pad itself remains intact without holes. This segmentation allows the hanging function to be achieved without compromising the pad's structural integrity.
2Ease of manufacture
If the pad is made with fixed hole spacing, then manufacturing is simplified, but the pad cannot accommodate different peg spacings in various elevator installations
Solution Approach 1:
The trim piece is designed to be flexible and adjustable in length, allowing it to be cut to different sizes to accommodate various peg spacings. This dynamic adjustment capability enables the same pad design to be universally adapted to different elevator installations without requiring custom manufacturing for each spacing requirement.
Solution Approach 2:
By separating the trim with holes from the main pad body, the invention allows the trim to be independently sized and configured for different installations while the pad manufacturing remains standardized and simplified.
3Adaptability or versatility
If additional holes or accommodations are made in the pad to fit different installations, then adaptability improves, but manufacturing costs increase and pad strength decreases
Solution Approach 1:
The invention transfers all adaptability requirements to the separate trim piece, allowing the main pad to be manufactured in a standardized, cost-effective manner without additional holes or accommodations. The trim is then customized as needed for each installation, separating the high-volume standardized manufacturing from the low-volume customized adaptation.
4Ease of manufacture
If the pad has a straight top edge for standard production, then manufacturing is easier, but it cannot accommodate irregular ceiling profiles
Solution Approach 1:
The invention separates the main pad body with its simple straight edge from the trim piece that contacts the ceiling. The trim can be independently shaped, angled, or cut to match irregular ceiling profiles while the main pad remains simple and easy to manufacture.
Data Source
AI summary
An elevator cover assembly having a cover pad and a trim with openings for receiving a hanging knob inside the elevator is disclosed. The trim is a separate piece attached to the elevator cover after openings are made in the trim. The trim slits formed therein are sized and positioned to receive hanging knobs. The trim is made of a flexible material that can be deformed to broaden the openings to more easily position the openings over the knobs.