Patent ID: 8484767

Claim:
The protective cap, characterized by having: a cap body formed in a bowl form; a guide member comprising an arc-like guide portion, the guide member being so formed in the cap body and integrally with the cap body as to have the guide portion fitting along an internal surface at a front side of the cap body; and a shield plate comprised of a transparent material or a translucent material and formed in a plate-like form having a curved surface along the internal surface at the front side of the cap body, the shield plate comprising an engagement portion for engaging with the arc-like guide portion, wherein the engagement portion engages with the guide portion so that the shield plate moves along a curved surface of the cap body between a housing position where the shield member is housed in the cap body and a shielding position where the shield member covers almost all of the face of the wearer wherein the guide member is constituted to comprise a central portion comprising a curved surface along the internal surface at the front side of the cap body to be formed in a plate form, a first side portion provided at one end side in a lateral direction of the central portion and integral with the central portion, a second side portion provided at another end side in the lateral direction of the central portion and integral with the central portion, the guide portion is formed at a portion of a proximal end side of the first side portion and at a portion of a proximal end side of the second side portion, the first side portion and the second side portion engage with the cap body, and the guide portion is provided integral with the cap body; and the shield plate is so constituted as to enter into a space formed among the cap body, the central portion of the guide member and the portion of the proximal end side to be housed in the cap body.