Toggle Bolt Catch Stem Limits Wing Rotation
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Solution Overview
Problem
Toggle bolts used to secure items to drywall often require two hands to operate due to the toggle wings rotating freely, making it difficult to rotate the bolt head without pulling back on the item or bolt head, which can lead to instability and increased effort.
Innovation Solution
The introduction of a toggle bolt catch, which includes a collar eyelet and a stem that prevents the toggle wings from rotating freely by allowing the toggle to rotate only until it contacts the stem, after which further rotation draws the toggle closer to the bolt head without additional rotation, allowing for single-handed operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the toggle wings are constrained to prevent free rotation, then single-handed operation becomes possible, but the toggle cannot rotate freely during insertion
Solution Approach 1:
The collar serves as a mediator that provides controlled rotation through its interaction with the drywall hole and the toggle wings. It allows just enough rotation for insertion while preventing excessive rotation during operation, enabling single-handed use without requiring complex locking mechanisms.
Solution Approach 2:
The collar and toggle wing interaction creates a self-regulating system where the geometry of the components themselves provides the necessary constraints. The toggle wings naturally engage with the collar's features to limit rotation, eliminating the need for additional complex control mechanisms.
2Reliability
If the toggle bolt requires two hands to operate, then the toggle wings can be stabilized, but the operation becomes more time-consuming and less efficient
Solution Approach 1:
The collar acts as a stabilizing intermediary that provides reliable toggle wing positioning during tightening operations. This allows one hand to securely control the bolt head rotation while the other hand can hold the workpiece, maintaining stability while enabling single-handed operation and improving installation speed.
Solution Approach 2:
The collar is pre-positioned on the bolt shaft before insertion, establishing the rotational control mechanism in advance. This preliminary setup ensures that once the toggle is inserted and expanded, the rotational stability is automatically provided without requiring additional hands or actions during the critical tightening phase.
Data Source
AI summary
An example toggle bolt catch for use with a toggle bolt is described. The toggle bolt catch includes a collar eyelet and a toggle catch. The collar eyelet includes a cylindrical ring having a central opening to allow the toggle of a toggle bolt to pass through and a flange that extends radially outward from the cylindrical ring. The toggle catch includes a minor arc stem that extends away from a back of the cylindrical ring. In use, the toggle bolt catch is inserted through a hole formed in drywall, for example, with the minor arc stem extending in the open space behind the drywall. When the bolt of the toggle bolt is rotated, the toggle can rotate only until it contacts the minor arc stem, after which further rotation of the bolt will draw the toggle of the toggle bolt toward the bolt without additional rotation of the toggle.