Patent ID: 8443705

Claim:
An optical fiber cutting device for cutting an optical fiber, comprising: a support frame; a blade member which forms a flaw on a surface of a glass fiber part of the optical fiber by moving toward the glass fiber part of the optical fiber, the blade member including a disk-shaped blade, a screw and a gear having teeth; and an arm member provided halfway through a movement path of the blade member, the arm member having a first end and a second end, the first end of the art member pivotally connected to the support frame, wherein: a contact area between the disk-shaped blade and the glass fiber part is changed by rotating the disk-shaped blade simultaneously with a linear movement operation of the blade member, the disk-shaped blade is rotatably mounted to the support frame by the screw, the disk-shaped blade is pushed against the support frame by a spring in a first direction and the blade member is configured to reciprocate forward and backward such that the disk-shaped blade rotates on a forward pathway and forms the flaw on the glass fiber part on a backward pathway without rotating, and rotation of the disk-shaped blade is implemented by contact between the arm member and the teeth of the gear.