Patent ID: 9423571
Filing Date: 2016-08-23
CPC Classification: G02B

Claim Text:
1. A cap for protecting an optical connector, the cap comprising: a cap body and a projecting pulling piece attached to the cap body, the cap body comprising: wherein the projecting pulling piece is attached to and protrudes from the front end wall and is configured such that a drawing out force applied to the projecting pulling piece pulls out the cap body from around the optical connector; wherein the front end wall comprises a first portion, disposed along an axis line of the cap body, wherein the first portion is a thin-walled portion, and a second portion, disposed around the first portion, wherein a thickness of the second portion is greater than a thickness of the first portion, and a light transmission rate of the first portion is greater than a light transmission rate of the second portion; and wherein the projecting pulling piece protrudes from the second portion of the front end wall.