Enhanced Tablet Cassette for Efficient Medicine Dispensing

Publication ID: 24-11857492_0006_PTD

Published: October 28, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Tablet Cassette for Efficient Medicine Dispensing,” Published Technical Disclosure No. 24-11857492_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857492_0006_PTD

This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,492.

Summary of the Inventive Concept

An improved tablet cassette design for automated medicine dispensing, offering enhanced efficiency, safety, and flexibility in hospitals and pharmacies.

Background and Problem Solved

The original tablet cassette patent, while effective, has limitations in accommodating varying tablet sizes, preventing tablet jamming, and ensuring smooth dispensing. The new inventive concept addresses these issues by introducing adjustable tablet containing spaces, sensors for tablet presence detection, and optimized rotary shaft designs.

Detailed Description of the Inventive Concept

The enhanced tablet cassette features a modified tablet container with adjustable tablet containing spaces to accommodate varying tablet sizes. A sensor-equipped discharge port detects tablet presence, enabling the system to adjust the dispensing process. The rotor features a spiral cam surface for smooth tablet discharge, and the follower design incorporates sliding portions with varying radial distances to accommodate different tablet sizes. The system also includes a controller to monitor and adjust the dispensing process, ensuring efficient and safe medicine dispensing.

Novelty and Inventive Step

The new inventive concept's novelty lies in its adjustable tablet containing space, sensor-equipped discharge port, and optimized rotary shaft design, which provide a significant improvement over the original patent's limitations. The inventive step is the combination of these features to create a more efficient, safe, and flexible tablet cassette for automated medicine dispensing.

Alternative Embodiments and Variations

Alternative embodiments may include different sensor types, varying cam surface profiles, or adjustable partition walls to accommodate different tablet sizes and shapes. The inventive concept could also be applied to other automated dispensing systems, such as those used in veterinary medicine or industrial settings.

Potential Commercial Applications and Market

The enhanced tablet cassette has significant commercial potential in the healthcare industry, particularly in hospitals and pharmacies, where efficient and safe medicine dispensing is crucial. The market for automated dispensing systems is growing, and this inventive concept is well-positioned to capitalize on that trend.

CPC Classifications

Section	Class	Group
A	A61	A61J1/03
B	B65	B65B35/06
B	B65	B65B35/46
G	G07	G07F17/0092

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Medical device automation, specifically pharmaceutical dispensing systems and robotic tablet handling mechanisms, requiring expertise in mechanical engineering, sensor integration, and precision material handling

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with 3-5 years experience in medical device design, familiar with automated dispensing technologies, sensor integration, and mechanical motion control systems

Obviousness Rationale

A person of ordinary skill would recognize that the PTD's modifications represent predictable variations of the source patent's core tablet cassette design, utilizing standard engineering techniques to enhance functionality through sensor integration, adjustable geometries, and process monitoring

Obvious Combinations & Variations

Source Patent Element

Tablet container with discharge port for sequential tablet release

PTD Variation

Adding sensor to detect tablet presence and dynamically adjust discharge process

Obviousness Reasoning

Integrating sensors into mechanical systems is a known technique for process optimization, representing a predictable application of standard control engineering principles

Source Patent Element

Rotor with rotary shaft and cam surface for tablet movement

PTD Variation

Implementing spiral cam surface and sliding portions with variable radial distances

Obviousness Reasoning

Modifying cam geometry to accommodate different tablet sizes is an obvious design optimization using well-understood mechanical design principles

Source Patent Element

Tablet container with fixed partition walls

PTD Variation

Creating adjustable partition walls to accommodate varying tablet sizes

Obviousness Reasoning

Introducing adjustability into mechanical structures is a standard engineering approach to increasing system flexibility, representing a routine design modification

Source Patent Element

Basic tablet feeder mechanism

PTD Variation

Adding controller to monitor and dynamically adjust dispensing parameters

Obviousness Reasoning

Implementing closed-loop control systems is a standard engineering technique for improving process reliability and performance, representing a predictable technological enhancement

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857492, a person having ordinary skill in the art would find the variations disclosed in this publication to represent obvious extensions of the prior art, utilizing standard engineering techniques to incrementally improve tablet dispensing automation through predictable combinations of known mechanical and sensor integration methods.

Original Patent Information

Patent Number	US 11,857,492
Title	Tablet cassette
Assignee(s)	TOSHO, INC.