Rotatable Livestock Handling Apparatus for Single-Operator Veterinary Access
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Solution Overview
Problem
Existing livestock handling devices are cumbersome, dangerous, and inefficient, particularly for smaller animals like calves, as they require multiple operators and complex mechanisms, posing risks to both animals and handlers during veterinary procedures.
Innovation Solution
A rotatable livestock handling apparatus with a frame that can be positioned for either rear or front access, featuring a base with a turntable and sliding gates, allowing a single operator to perform veterinary tasks from one side while ensuring animal safety and operator protection through lateral restraint and kick gate mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional cattle crush or calf marking cradle is used, then livestock can be restrained for veterinary operations, but multiple operators are required and the device is cumbersome and dangerous
Solution Approach 1:
The device is divided into distinct functional modules: a headgate assembly for capturing and restraining the animal's head, a body restraint system with lateral gates, and a rotatable platform. This segmentation allows each component to perform its specific function independently, simplifying the overall operation and reducing the need for multiple operators while maintaining effective restraint
Solution Approach 2:
The restraining device is designed to handle livestock of varying sizes and perform multiple veterinary operations (castration, tagging, branding, etc.) through a single integrated system. The adjustable headgate and lateral gates can accommodate different animal dimensions, and the rotatable platform provides multiple access positions, eliminating the need for separate devices for different operations
2Reliability
If conventional restraining devices are used, then access to animal body is provided, but operator safety is compromised due to animal kicking and movement
Solution Approach 1:
The device applies preliminary restraint forces to prevent harmful actions before they occur. The headgate captures the animal's head and applies forward pressure, while the lateral gates apply inward pressure on the body, creating a predetermined restraining force that counteracts the animal's natural tendency to kick and struggle, thereby protecting the operator
Solution Approach 2:
The animal is captured and restrained in a controlled sequence before veterinary procedures begin. The headgate secures the head first, then the lateral gates are closed to restrain the body, and finally the rotatable platform is positioned. This preliminary restraint action ensures the animal is fully secured before any operator approaches for procedures, eliminating the hazard of sudden movements
3Adaptability or versatility
If scaled-down cattle crush is used for calves, then restraint is improved, but the device is still too big for smaller calves and requires two operators
Solution Approach 1:
The headgate and lateral gates feature adjustable and movable components that can be locally modified to match the size of the animal being restrained. The headgate height and width can be adjusted, and the lateral gates can be positioned at different distances from the center line, allowing the same device to effectively restrain calves ranging from very small to larger sizes, eliminating the need for multiple operator assistance
4Ease of operation
If conventional calf cradle is used, then access to underside is provided by tipping, but the animal struggles and kicking occurs making procedures dangerous
Solution Approach 1:
Instead of using a static tipping mechanism that forces the animal into an uncomfortable position, the device employs a dynamic rotatable platform that can be smoothly rotated to different positions. The platform rotation is controlled and gradual, allowing the animal to adapt while maintaining restraint, and providing operators with safe access to different parts of the animal's body without inducing the violent struggling and kicking associated with abrupt tipping motions
Data Source
AI summary
This invention relates in general to a confining and restraining apparatus for livestock to facilitate their handling. The apparatus has an animal receiving stall having a frame, a base and a means for rotatably mounting the frame on the base. The animal receiving stall has opposed, entrance and exit openings, an entrance gate assembly is located at the entrance opening and fixed to one end of the base. The exit gate assembly is located at the exit opening and attached at one end of the frame, the exit gate assembly having a pair of stanchions which are adapted to capture a neck of an animal therebetween. The means for rotatably mounting the frame to the base allows rotation of the frame in both clockwise and counter clockwise directions around a vertical axis to position an animal in a selected treatment position.