How a Spring-Loaded Pocket Dispenser Works

A 1949 mechanical design for a pocket-sized container that uses a spring to push items like pills or candies to the top for easy access.

What it covers

The device functions as a compact storage unit designed to hold a stack of flat, uniform items. It utilizes a spring-loaded platform inside the casing that exerts constant upward pressure on the contents. When the user interacts with the top of the container, the spring ensures the next item is automatically positioned at the dispensing opening, allowing for one-handed retrieval.

What it doesn't cover

• —Does not cover containers that rely on gravity rather than spring tension to feed items.
• —Does not cover non-pocket-sized dispensing systems like large industrial vending machines.
• —Does not cover electronic or automated dispensing mechanisms that require a power source.

The clever bit

The innovation lies in the integration of a constant-force spring mechanism within a handheld, pocket-sized form factor, solving the problem of item jamming during one-handed operation.

Why it matters

This patent represents a classic example of mid-century mechanical engineering focused on personal convenience. It refined the concept of the 'pocket dispenser,' which later became a standard form factor for breath mints and small medication containers.

Real-world examples

• 1.Pez candy dispensers
• 2.Pocket-sized breath mint containers
• 3.Small pill organizers