Front Tow Hook Clamp Assembly for Stable Single-Bolt Towing
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Solution Overview
Problem
Existing front hitch assemblies for vehicles face issues with secure mounting, ease of installation, and stability during towing, particularly when transferring towing forces to a single bolt, leading to potential sliding or turning on the tow hook.
Innovation Solution
A hitch assembly with first and second clamp members, each with a curved recess, securely mounted on opposite sides of the tow hook or loop using a single bolt, distributing towing forces across the bodies to prevent sliding or turning, and featuring a matching profile for immediate clamping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single bolt is used to secure the hitch assembly to the tow hook, then the device complexity is reduced and ease of installation is improved, but the reliability deteriorates due to all towing forces being transferred to a single bolt
Solution Approach 1:
The hitch assembly is divided into two separate clamp members (first clamp member and second clamp member) that each independently engage with the tow hook. This segmentation allows the towing forces to be distributed across multiple contact points and structural elements rather than concentrated on a single bolt, thereby maintaining reliability while keeping the fastening system simple.
Solution Approach 2:
The clamp members are designed with curved recesses that match the profile of the tow hook, creating a three-dimensional engagement geometry. This dimensional matching ensures that forces are distributed across the curved surfaces and bodies of the clamp members rather than being concentrated at a single point, resolving the contradiction between simple single-bolt fastening and reliable force distribution.
2Stability of the object's composition
If the hitch assembly is designed to immediately clamp onto the hook, then the stability during towing is improved, but the ease of manufacture deteriorates due to precise curved recess requirements
Solution Approach 1:
The curved recesses in the clamp members are designed with specific local geometries that match the profile of the tow hook. This local quality matching ensures immediate and stable engagement when the assembly is mounted, preventing sliding or turning during towing operations. The recesses are strategically shaped at the engagement interface to provide optimal stability without requiring complex manufacturing throughout the entire structure.
3Strength
If the clamp members are cast as single pieces with curved recesses, then the strength and structural integrity are improved, but the ease of manufacture deteriorates
Solution Approach 1:
Each clamp member is cast as a single integrated piece that combines the body structure and the curved recess geometry into one unified component. This merging eliminates the need for separate fabrication and assembly of the recesses, thereby maintaining structural integrity and strength while actually simplifying the manufacturing process compared to multi-part constructions that would require additional fastening elements.
Data Source
AI summary
The front hitch assembly clamps onto a tow hook or loop on the front of a truck or towing vehicle. The hitch assembly includes first and second bodies each having a curved, recessed channel formed therein to matingly engage with the hook or loop when the bodies are mounted on opposite sides of the hook or loop, thereby sandwiching the hook or loop in the channels. A tab extends forwardly from one of the bodies for coupling with the towed vehicle. The bodies are secured with a single threaded bolt for quick and easy mounting of the hitch assembly to the tow hook or loop.