Ratchet structure for input device

Details Ratchet structure for input device Ratchet structure for input device

2006-03-14

2006-03-14

Yang, Ryan (Department: 2672)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

Reexamination Certificate

active

07012594

ABSTRACT:
A Z-axis device for an input device has a rotatable roller having a first side and a second side, the second side of the roller having a plurality of grooves. The Z-axis device also has a support mechanism that positions the roller for reciprocating pivoting movement, a first axle extending from the first side of the roller and supported by the support mechanism, and a second axle extending from the second side of the roller and supported by the support mechanism. The second axle has a resilient element coupled thereto, with the resilient element constantly engaging one of the grooves, and engaging different grooves as the roller is rotated.

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