Door Frame Assembly Aid With Reconfigurable Alignment Rails
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Solution Overview
Problem
Assembling door frames is time-consuming and difficult due to the elongated and narrow nature of the individual parts, which require precise alignment and access to joints that are outside the assembler's field of vision, making it challenging even for experienced carpenters.
Innovation Solution
An assembly aid comprising four base elements with longitudinal and transverse rails that can be converted between a compact transport configuration and a working configuration, allowing precise alignment and easy access to joints, facilitating the assembly of door frames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If door frame components are assembled on the floor using traditional methods, then the assembly can be completed with simple tools, but the alignment precision and time efficiency are poor
Solution Approach 1:
The assembly aid serves as an intermediary device between the floor and the door frame components. It provides a structured platform with guide rails and positioning elements that mediate the alignment process, ensuring precise positioning without requiring complex manual measurement and adjustment procedures.
Solution Approach 2:
The assembly aid incorporates pre-configured positioning elements, guide rails, and alignment features that are prepared in advance. The base elements with their specific geometries and attachment points are designed beforehand to automatically guide the door frame components into correct alignment when placed on the aid, eliminating the need for time-consuming on-site alignment adjustments.
2Ease of operation
If the assembly aid is designed with all base elements spread out for working configuration, then the alignment and assembly process is facilitated, but the transportability and storage efficiency are reduced
Solution Approach 1:
The assembly aid is designed with movable base elements that can dynamically change their relative positions. The base elements can be moved between a spread-out working configuration that facilitates assembly operations and a compact transport configuration that reduces spatial dimensions for movement and storage. This dynamic reconfigurability allows the same structure to serve multiple functional requirements.
Solution Approach 2:
The assembly aid is divided into separate, movable base elements rather than a single rigid structure. This segmentation allows the base elements to be independently positioned and reconfigured. During assembly operations, the elements are spread out to provide adequate workspace and alignment features. During transport, the elements can be moved closer together or nested to minimize the overall spatial footprint.
Data Source
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AI summary
Described and claimed is an assembly aid for assembling door frames with four base elements. Each base element comprises two longitudinal rails for receiving lining boards of a door frame. Two of the four base elements also comprise a cross rail for receiving a lintel section of the door frame. The assembly aid can be converted from a transport configuration to a working configuration. In the transport configuration, the assembly aid has smaller spatial dimensions than in the working configuration. In the working configuration, the longitudinal rails of the base elements are aligned with one another, a distance between each two longitudinal rails corresponds to a standardized distance, and the cross rails are also aligned with another cross rail.