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DWG NO. GOLF-BALL-DISP DATE 2024-06 PORTFOLIO

Spring-Fed Golf Ball Dispenser with Push-Button Release

A compact ball dispenser designed around a spring column and a single button — release timing, ball retention and moulded body detailed with full production drawings.

Spring-Fed Golf Ball Dispenser with Push-Button Release
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A dispenser that holds a column of golf balls and releases exactly one when a button is pressed.

The problem

Single-item dispensing is a timing problem disguised as a simple one:

  • Release one, hold the rest. The instant a ball leaves, the next one is already moving. Something must block it before it follows.
  • Spring force has to work across a changing column. A full dispenser pushes harder than a nearly empty one, and the release must behave the same at both extremes.
  • A golf ball is heavy and hard. It does not deform to squeeze past a gate, so clearances are absolute — too tight and it jams, too loose and two escape.
  • The body is a moulded part with a spring and a pin inside, which means every internal feature has to be reachable by tooling.

The approach

  • Gate geometry sized to one ball diameter, so the retaining feature engages the next ball before the released one has cleared — sequence built into the shape rather than into timing.
  • Spring specified for the empty case. Sizing for the weakest condition guarantees feed at the end of the column; the full-column case is then checked for excess force rather than the other way round.
  • A pin as the moving element, keeping the mechanism to one sliding part driven by the button, with no linkage to bind.
  • Everything drawn. Each part carries its own production drawing, so the moulder and the assembler work from the same dimensioned set.

The result

Two design iterations, ending with a complete assembly and a per-part drawing package including dimensioned PDFs.

Where this applies

Dispensers of all kinds — balls, tablets, caps, fasteners. The mechanism is always the same question: what stops the next one?

I design dispensing mechanisms and document them for production. Request a quote or see all services.

mechanism design dispenser design spring mechanism injection molding design sporting goods design production drawings consumer product CAD DFM