Hinge for use with portable electronic apparatus

Details Hinge for use with portable electronic apparatus Hinge for use with portable electronic apparatus

1990-09-27

1992-11-24

Spruill, Robert L.

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

Hinge

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

16342, E05C 1764, E05D 1108

Patent

active

051651459

ABSTRACT:
A hinge mechanism is disclosed which is suitable for use on a pivotable character display for an electronic typewriter or portable computer. The hinge mechanism includes braking means for maintaining the character display in a viewing position, wherein friction is generated between disc shaped brake members of the hinge mechanism. Moreover, the addition of a cam in the hinge mechanism provides the selective use of torque to the braking means; the cam is engaged when the display is in a viewing position, preventing the display from slipping out of position, whereas the cam is not engaged when the display is near the horizontal, making it easier to raise and to lower the display. The hinge mechanism disclosed is suitable for use with multi-view position character displays as well as with single view position character displays.

REFERENCES:
patent: 1644249 (1927-10-01), Harrison
patent: 3052497 (1962-09-01), Lohr
patent: 4571456 (1986-02-01), Paulson et al.
patent: 4624434 (1986-11-01), Lake, Jr. et al.
patent: 4781422 (1988-11-01), Kimble
patent: 4808017 (1989-02-01), Sherman et al.
patent: 4859092 (1989-08-01), Makita
Design News Magazine, dated Feb. 12, 1990, pp. 262 & 263, article "Constant-Torque Slip Clutch Supports Computer Screen" by Charles J. Murray.

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