Opening and closing mechanism and image-forming apparatus

摘要

An opening and closing mechanism has an apparatus body 2 and an opening and closing member 3 that opens and closes by rotating with respect to the apparatus body 2, and also has a rod-like metal shaft member 8 that is mounted in the apparatus body 2. The opening and closing member 3 is rotatably supported about the metal shaft member 8 through insertion of the opening and closing member 3 between a guiding surface 7a1 having a circular arc surface shape provided in the apparatus body 2, and a surface 8a of the metal shaft member 8.

主权项

1. An opening and closing mechanism comprising:
an apparatus body; an opening and closing member that opens and closes by rotating with respect to said apparatus body; and a rod-like metal shaft member that is mounted in said apparatus body, wherein said opening and closing member is rotatably supported about said metal shaft member through insertion of said opening and closing member between a guiding surface having a circular arc surface shape provided in said apparatus body, and a surface of said metal shaft member, wherein said opening and closing member comprises a first guided surface that contacts said guiding surface and a second guided surface that contacts said metal shaft member, and wherein said opening and closing member comprises a cover member that covers a position opposing said second guided surface across said metal shaft member.