What the thread found

• The Master Series arm uses non-vertical lift knobs as part of its core design innovation covered by the 1995 patent.
• The Zephyr and Flyer arms employ diagonal cable termination adjustment.
• The G50 and G70 models feature two separate knobs for adjustment.
• Master Series arms distribute springs throughout their length to increase overall arm extension.

Depends on

• The patent number and its exact relationship to the Master Series arm was not explicitly confirmed in the source.
• The specific mechanics of how non-vertical lift knobs function in practice was not detailed.

Gear in this thread

Zephyrcatalog, Master Seriescatalog, G-70catalog

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