DATA READER AND IMAGE FORMING APPARATUS INCORPORATING SAME

摘要

A data reader includes a memory board provided to a removable member and a reading member including a reading terminal. The memory board includes a positioning opening, a ground terminal provided to the positioning opening, and a contact terminal. The reading member includes an engagement projection that fits in the positioning opening and is disposed adjacent and parallel to the reading terminal. The engagement projection includes a uniform diameter portion, a tapered portion extending from the uniform diameter portion, and an apparatus-side ground terminal to contact the ground terminal of the memory board when the engagement projection fits in the positioning opening. The apparatus-side ground terminal includes a portion projecting laterally from the uniform diameter portion from an end of the uniform diameter portion toward a reading member base and an extended portion at the end of the uniform diameter portion, covered with the tapered portion.

主权项

1. A data reader comprising:
a memory board including a memory and provided to a removable member removably installed in a mount of an image forming apparatus; and a reading member provided to the mount and including a reading terminal projecting from a reading member base to read out data from the memory, wherein the memory board further includes a positioning opening, a ground terminal provided to the positioning opening, and a planar contact terminal to contact the reading terminal, the contact terminal disposed parallel to the ground terminal, the reading member includes an engagement projection to fit in the positioning opening, the engagement projection disposed adjacent and parallel to the reading terminal, the engagement projection includes a uniform diameter portion standing on the reading member base, a tapered portion extending from an end of the uniform diameter portion, and an apparatus-side ground terminal to contact the ground terminal of the memory board when the engagement projection fits in the positioning opening, the apparatus-side ground terminal projects laterally from the uniform diameter portion in a portion extending from the end of the uniform diameter portion toward the reading member base and, and the apparatus side ground terminal includes an extended portion extending from the end of the uniform diameter portion and covered with the tapered portion of the engagement projection.