Foreleg Humerus Loop Restraint for Low-Force Animal Control
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Solution Overview
Problem
Existing animal restraint devices, such as neck collars, body harnesses, and head muzzles, cause discomfort and potential injury to animals by exerting pressure against their natural pulling instincts, leading to adversarial interactions and risk of injury to both the animal and handler during walks or training.
Innovation Solution
An animal restraining apparatus comprising a foreleg constraining leash and a support strap that forms a humerus loop around the animal's foreleg, using minimal force to impede the upward lifting movement of the foreleg, creating an off-balance stance to discourage pulling without causing discomfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a neck collar is used to restrain the dog, then the dog's forward movement is controlled, but the collar exerts strong impact force on the dog's neck causing discomfort and potential injury
Solution Approach 1:
The restraint system is divided into multiple components: a head halter that controls the head, a foreleg loop that controls the foreleg, and a chest strap that distributes force across the chest. This segmentation allows each component to control a specific body part without concentrating excessive force on the neck, thereby maintaining control effectiveness while reducing neck impact.
Solution Approach 2:
The foreleg loop acts as an intermediary mechanism between the handler and the dog's body. By controlling the foreleg rather than directly restraining the neck, the system mediates the control force through the foreleg and chest strap, which distributes the force across a larger area and reduces the impact on the neck.
2Object-affected harmful factors
If a body harness is used to disperse pressure, then injury risk is reduced, but the handler loses ability to give directional cues and compel lateral changes
Solution Approach 1:
The system applies different types of control to different parts of the dog's body: the head halter provides directional control through the nose, the foreleg loop provides restraint through the foreleg, and the chest strap distributes pressure across the chest. This localized control approach maintains ease of directional operation while distributing pressure to reduce injury risk.
Solution Approach 2:
The restraint system is segmented into multiple functional components, each responsible for a specific aspect of control. The head halter handles directional cues, the foreleg loop handles forward movement restraint, and the chest strap handles force distribution. This segmentation allows the handler to maintain effective directional control while the system as a whole distributes pressure to prevent injury.
3Ease of operation
If a chest-mounted leash is used, then lateral influence is provided, but proper pressure distribution is sacrificed causing injuries
Solution Approach 1:
The system separates the lateral control function (provided by the head halter through nose control) from the pressure distribution function (provided by the chest strap). The chest strap is positioned to distribute pressure across the chest and shoulders, while the head halter provides lateral directional cues, eliminating the conflict between lateral control and pressure distribution.
Solution Approach 2:
The head halter acts as an intermediary for lateral control, allowing the handler to give directional cues through the nose without concentrating pressure on the chest. The chest strap then distributes the resulting forces across a larger area, preventing pressure concentration injuries while maintaining lateral control capability.
Data Source
AI summary
The present specification provides an animal restraining apparatus comprising a foreleg constraining leash and a support strap comparing a loop connector, the loop connector configured to couple the foreleg constraining leash to the support strap in a manner that forms a foreleg humerus loop while allowing the foreleg constraining leash to freely slide through the loop connector to permit constriction or expansion of the foreleg humerus loop. Once donned on an animal, a handler simply applies minimal force on a leash connected to the leash end of the foreleg restraining leash in a manner that causes a reduction in loop size of the foreleg humerus loop around a foreleg of the animal. This reduction in loop size impedes the foreleg of the animal to freely move forward causing the animal to instinctually cease its movement.