Hinge assembly for a foldable electronic device

Details Hinge assembly for a foldable electronic device Hinge assembly for a foldable electronic device

2008-07-22

2008-07-22

Mah, Chuck Y. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Resiliently biased hinge

Reexamination Certificate

active

07401382

ABSTRACT:
A hinge assembly (100) includes a shaft (10), a rotary cam (20), a follower cam (30), a positioning member (50), and an urging means (40). The shaft includes a securing portion (12) at one end thereof and has a slot (166) defined therealong. The rotary cam is substantially cylindrical and includes a cam surface (24). The rotary cam has a cam hole (22) extending therethrough. The cam hole receives the shaft therethrough. The follower cam includes a cylindrical portion (34) and two symmetrically protruding portions (36). The cylindrical portion includes a pinhole (346). The positioning member is received in the pinhole and the slot, thereby connecting the follower cam and shaft. The urging means biases against both the shaft and the rotary cam. The cam surface of the rotary cam is rotatably engaged with the protruding portion of the follower cam under a force generated by the urging means.

REFERENCES:
patent: 6633643 (2003-10-01), Ona
patent: 6948217 (2005-09-01), Higano et al.
patent: 7085375 (2006-08-01), Katoh
patent: 7111361 (2006-09-01), Li et al.
patent: 2006/0010648 (2006-01-01), Luo
patent: 2006/0070211 (2006-04-01), Luo
patent: 2004204978 (2004-07-01), None

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