Handheld Strap Cutting Apparatus with Guide Assembly
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Solution Overview
Problem
Securing electronic monitoring devices to individuals with straps often requires adjusting the strap length to fit various limb circumferences and device lengths, which can be challenging and wasteful, and poses safety concerns when using scissors or cutting tools.
Innovation Solution
A handheld cutting apparatus with a handle body, a head affixed to the handle body, and a blade that cuts the strap when handles are squeezed, allowing for precise cutting without prior measurement, featuring a slot for strap passage and a clamp for secure attachment, enabling safe and efficient cutting to the appropriate length.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a traditional cutting tool like scissors is used to cut the strap, then the operator can cut the strap to the desired length, but the operator is exposed to safety risks from the sharp blade and may cut the strap too long resulting in waste
Solution Approach 1:
The patent introduces a guide assembly as an intermediary component between the blade and the strap. The guide assembly includes a guide body with a strap receiving channel that defines a cutting position, and a blade holder that positions the blade at a predetermined distance from the guide body. This intermediary structure ensures the blade cuts the strap at the exact required length without the operator needing to measure, while the blade remains enclosed and safe until the cutting moment.
Solution Approach 2:
The patent implements preliminary action by pre-positioning the blade at a predetermined distance from the guide body using a biasing mechanism (spring). The blade is held in a retracted position by the spring force until the strap is inserted and the cutting action is initiated. This preliminary positioning ensures that when cutting occurs, it happens automatically at the correct length without requiring measurement or calculation during the cutting process.
2Productivity
If the strap is cut without prior measurement to save time, then the cutting process is faster, but the strap length may be incorrect requiring re-cutting or replacement
Solution Approach 1:
The patent implements self-service by designing the guide assembly to automatically determine the correct cutting length. The strap receiving channel in the guide body and the predetermined position of the blade create a self-regulating system where the strap itself defines the cutting point by its insertion into the channel. The operator simply inserts the strap and activates the cutting mechanism, and the system automatically ensures the correct length is cut without requiring the operator to measure or calculate.
Solution Approach 2:
The blade is pre-positioned at a predetermined distance from the guide body using a biasing mechanism, establishing the correct cutting length before the cutting action begins. This preliminary positioning ensures that when the strap is inserted and cutting is activated, the blade will automatically cut at the exact required length, eliminating the need for measurement during the process and ensuring consistent accuracy.
3Ease of operation
If the blade is exposed for easy access, then the cutting operation is simpler, but the operator and others are at risk of injury from the exposed sharp blade
Solution Approach 1:
The guide assembly serves as an intermediary structure that controls blade exposure. The guide body with its strap receiving channel and the blade holder with predetermined positioning create a controlled environment where the blade is only exposed at the exact moment and position needed for cutting. The blade remains enclosed within the assembly during loading and operation, and only becomes exposed when the strap is inserted and the cutting mechanism is activated, at which point the blade is positioned safely within the guide structure.
Data Source
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AI summary
The present disclosure includes a cutting apparatus 200 for cutting a strap 140 to a desired length. The cutting apparatus includes a handle body 210 with first and second handles 211, 212 and a head 230 affixed to the handle body. The head includes an attachment mechanism 240 to allow a strap to be cut to be rclcasably secured to a first end 232 of the head. The cutting apparatus further includes a blade 250 disposed proximate to a second end 234 of the head. The length of the head or the distance between the first end of the head and the blade approximates a device body length. The present disclosure further includes a method of using a handheld cutting apparatus for cutting a strap to a desired length, such that the combined length of the strap and a device to be attached to an object, approximates the circumference of the object.