Patent ID: 6903923

Claim:
A rotary lifting cap for coupling on an electronic device to turn relative to the electronic device to generate open or closed operations to provide use or covering functions, comprising: a lid; and two axle sections located on two sides of the lid, each axle section including: an extension arm having one end connecting to one side of the lid and being extended rearwards in an arched manner; a connection arm having one end connecting to another end of the extension arm and an anchor section; and a stub shaft connecting to another end of the connection arm and being extended outwards from two sides of the lid; wherein the electronic device has a pivotal hole to engage with the stub shaft to allow the lid to turn relative to the electronic device along a turning path, the turning path having two anchor holes corresponding to the anchor section to allow the lid be anchored on an open position and a closed position, the turning path between the two anchor holes being protrusive inwards to form two sloped surfaces to aid the lid to be anchored on the two positions, and wherein the turning path of the electronic device corresponding to the anchor section has a protrusive pinnacle located in the middle portion between the open position and the closed position, the sloped surfaces being extended slowly towards two sides from the pinnacle.