Which component is described as the 'heart of the mechanism' that translates vertical push into locking movement?

Answer

The Cam/Ratchet

The cam or ratchet is a shaped component critical for translating the vertical action of the plunger into the rotational or locking movement necessary to engage or disengage the cartridge holder.

Which component is described as the 'heart of the mechanism' that translates vertical push into locking movement?

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