Adjustable Bent Door Pull with Detachable Standoffs
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Solution Overview
Problem
Conventional door pulls face issues with improper installation due to misaligned pre-drilled holes, lack of customization options, and inadequate sanitation features, leading to wasted time and money, as well as concerns about bacterial transmission during the COVID-19 pandemic.
Innovation Solution
An adjustable and configurable door pull system with detachable standoffs and a method for easy installation, allowing for customizable lengths, shapes, and materials, including copper alloys that reduce bacterial growth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional door pulls with permanently fixed standoffs are used, then the door pull structure is simple and easy to manufacture, but the door pull cannot be installed when pre-drilled holes are improperly spaced or when customization is needed
Solution Approach 1:
The door pull is divided into separate components: a grip portion and multiple standoffs with different configurations (offset distances, orientations). These segmented components can be mixed and matched to create customized door pull assemblies that fit various pre-drilled hole patterns and accessibility requirements.
Solution Approach 2:
The system provides universal compatibility by offering standoffs with various offset distances (e.g., 0 inches, 1/4 inch, 1/2 inch, 3/4 inch, 1 inch) and orientations (standard, offset, angled). This multi-functional standoff design allows a single grip portion to work with multiple standoff types, enabling installation on doors with different hole patterns and configurations.
2Manufacturing precision
If door pulls are reordered due to specification errors or mis-measured drillings, then proper installation can be achieved, but time and money are wasted
Solution Approach 1:
The system performs preliminary action by providing a complete set of standoff variations in advance. Instead of requiring precise measurement and ordering of the correct standoff type, the installer can select from pre-manufactured standoff options that cover common installation scenarios, eliminating the need to reorder due to measurement errors.
Solution Approach 2:
The system addresses parameter variations by offering standoffs with different dimensional parameters (offset distances, angles, lengths). This allows the installer to match the actual door hole pattern by selecting the appropriate parameter combination without requiring perfect initial measurements or reordering.
3Ease of operation
If door pulls with offset standoffs are required for door lock access, then proper door lock accessibility is achieved, but the door pulls must be reordered if offset standoffs are not initially provided
Solution Approach 1:
The system provides dynamic adaptability by allowing the installer to select different standoff configurations (including offset and angled variations) based on the specific door lock accessibility requirements. This dynamic selection capability ensures proper door lock access without requiring a complete reorder of the door pull assembly.
4Adaptability or versatility
If conventional door pulls are used, then the door pull provides basic door opening function, but it cannot be customized for decorative themes or permanent logos
Solution Approach 1:
The door pull is segmented into a grip portion and standoff components that can be independently customized. This segmentation allows for decorative elements, logos, or thematic designs to be added to specific components without complicating the manufacturing of the entire assembly, as each segment can be produced and customized separately.
Data Source
AI summary
An adjustable bent door pull to be installed on a first surface of a door, the adjustable door pull including a bent grip to facilitate gripping thereof, the bent grip including a main portion, and a bent portion angularly disposed on at least a portion of the main portion to extend away from the main portion with respect to a lateral direction, and at least one detachable standoff removably connected to the bent grip to allow the bent grip to be attached to the first surface of the door, the at least one detachable standoff including an attachment portion comprising an aperture to receive the bent grip therein, a clamp portion disposed on a first end of the attachment portion to control movement of the bent grip through the aperture, an offset portion disposed on a second end of the attachment portion to extend away from the attachment portion in a first direction, and a protruding portion to extend away from the offset portion in a second direction different from the first direction to connect to the first surface of the door.