Hinge mechanism for foldable electronic apparatus

Details Hinge mechanism for foldable electronic apparatus Hinge mechanism for foldable electronic apparatus

1992-09-30

1994-06-07

Bradley, Paula A.

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

Hinge

Including means to hold or retard hinged members against...

16322, E05D 1110

Patent

active

053177851

ABSTRACT:
A hinge mechanism for a foldable electronic apparatus having a first and a second casing. A first and a second cylindrical hinge are provided on the first and second casings, respectively. The second hinge is formed with lugs each having two contact faces having angles .alpha. and .beta. (smaller than .alpha.). A locking member is received in the first hinge and provided with recesses each contacting one of the lugs at either of the angles .alpha. and .beta., depending on the direction of rotation, i.e., the folding direction or the unfolding direction.

REFERENCES:
patent: 3874029 (1975-04-01), McCullough
patent: 4623115 (1986-11-01), Brester
patent: 4822965 (1989-04-01), Hyogo et al.
patent: 5109571 (1992-05-01), Ohshima et al.
patent: 5185790 (1993-02-01), Mischneko

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