Patent ID: 8266766

Claim:
A hinge assembly for an object having a body and a cover, and the hinge assembly comprising: a pintle having a head formed on the pintle; a torque assembly mounted on the pintle at a first side of the head and comprising a first rotating leaf mounted rotatably around the pintle; a rotating disk mounted rotatably around the pintle, attached securely to the first rotating leaf and having a pressing face opposite to the first rotating leaf; and at least one pressing protrusion formed on the pressing face; a sliding disk mounted slidably on the pintle, abutting with the rotating disk and having a pressed face abutting with the at least one pressing protrusion on the rotating disk; and at least one pressed portion formed on the pressed face and respectively abutting slidably the at least one pressing protrusion, and each one of the at least one pressed portion having an oblique pressed edge abutting slidably with a corresponding pressing protrusion; a spring mounted around the pintle and abutting against the sliding disk; and a first fastener mounted on the pintle to hold the first rotating leaf, the rotating disk, the sliding disk and the spring on the pintle; and a resistance assembly mounted on the pintle at a second side of the head and comprising a second rotating leaf mounted rotatably around the pintle; a pressing disk mounted rotatably around the pintle and attached securely to the second rotating leaf; a pressed disk mounted slidably on the pintle and abutting with the rotating disk; a protrusion-recess arrangement formed on faces of the pressing and pressed disks facing to each other; a biasing assembly mounted around the pintle and abutting against the sliding disk; and a second fastener mounted on the pintle to hold the second rotating leaf, the pressing disk, the pressed disk and the biasing assembly on the pintle.