Guide rail cleaning device

A guide rail cleaning device, which is configured to clean a driving-roller guide rail for allowing a driving roller of a step to roll thereon and a trailing-roller guide rail for allowing a trailing roller of the step to roll thereon, the guide rail cleaning device comprising:

• a first cleaning portion;
• a second cleaning portion;
• and
• a mounting plate,
• wherein the first cleaning portion includes a first cleaning member configured to clean the driving-roller guide rail,
• wherein the second cleaning portion includes a second cleaning member configured to clean the trailing-roller guide rail,
• wherein the mounting plate is removably mounted to a step shaft having the driving roller fixed thereto,
• wherein the first cleaning portion and the second cleaning portion are mounted to the mounting plate,
• wherein the first cleaning member is brought into abutment against the driving-roller guide rail,
• wherein the second cleaning member is brought into abutment against the trailing-roller guide rail, and
• wherein the driving-roller guide rail and the trailing-roller guide rail are simultaneously cleaned through use of the first cleaning member and the second cleaning member.