Spring mounting structure, sheet housing device, waste toner container, and image forming apparatus

A spring mounting structure, comprising:

• a first structural member including,
• a first abutting surface configured to abut on a first end of a compression spring;
• and
• a protruding structure configured to receive the compression spring and temporarily hold the compression spring in an uncompressed state;
• and
• a second structural member including,
• a second abutting surface configured to abut on a second end of the compression spring;
• and
• a tapered surface, wherein
• in response to the second structural member and the first structural member being assembled in a first assembling direction that intersects a compression direction of the compression spring, the tapered surface is configured to guide the second end of the compression spring in the uncompressed state temporarily held by the protruding structure to the second abutting surface such that the compression spring temporarily held by the protruding structure is in a compressed state between the first abutting surface and the second abutting surface,
• the compression spring has a winding spring structure in which a wire is spirally wound, and
• the second abutting surface has a groove at a portion that a wire end surface of the second end of the compression spring passes in response to the wire end surface facing forward in a moving direction in which the second end of the compression spring moves from the tapered surface to the second abutting surface.

A spring mounting structure, comprising:

• a first structural member including,
• a first abutting surface configured to abut on a first end of a compression spring;
• and
• a protruding structure configured to receive the compression spring and temporarily hold the compression spring in an uncompressed state;
• and
• a second structural member including,
• a second abutting surface configured to abut on a second end of the compression spring;
• and
• a tapered surface, wherein
• in response to the second structural member and the first structural member being assembled in a first assembling direction that intersects a compression direction of the compression spring, the tapered surface is configured to guide the second end of the compression spring in the uncompressed state temporarily held by the protruding structure to the second abutting surface such that the compression spring temporarily held by the protruding structure is in a compressed state between the first abutting surface and the second abutting surface,
• wherein the first structural member or the second structural member has a viewing window to visually recognize the compression spring from an outside after a completion of assembly of the second structural member and the first structural member.