Hinge and collapsible device utilizing the same

A collapsible device comprising:

• a base;
• a hinge comprising:
• a first connecting member;
• a shaft extending from the first connecting member, a distal end of the shaft defining a threaded portion;
• a second connecting member defining a first depressed portion, a through hole transversely passing through the first depressed portion for rotationally fitting about the shaft, and at least one fixing slot in a first end of the second connecting member;
• a first fixing member rotatably mounted to the shaft, wherein the first fixing member is received in the first depressed portion, and comprises at least one fixing protrusion engaged with the at least one fixing slot;
• at least one ring immovably fixed to the shaft and abutting against the first fixing member;
• a plurality of biasing members all rotationally mounted to the shaft;
• and
• a fastener engaged with the threaded portion;
• and
• a cover pivotally mounted to the base via the hinge;
• wherein the first connecting member is fixed to one of the cover and the base, and the second connecting member is fixed to the other one of the cover and the base, the second connecting member, the first fixing member, the at least one ring, and the biasing members are mounted to the shaft and positioned between the first connecting member and the fastener.