Patent ID: 9528317
Filing Date: 2016-12-27
CPC Classification: B08B,E06B

Claim Text:
1. A sliding window having a cleaning unit comprising: window panes having an inside window pane and an outside window pane; a window frame on which the window panes are mounted in a slidable manner; a vermin screen mounted at an outdoor side of the outside window pane; and a cleaning unit vertically mounted on a fixing side MC (Middle Closing) of the outside window pane or a screen side MC of the vermin screen in a longitudinal direction, wherein in the case that the cleaning unit is mounted at the fixing side MC of the outside window pane, the cleaning unit cleans the outside of the inside window pane while the inside window pane slides, or in the case that the cleaning unit is mounted at the screen side MC of the vermin screen, the cleaning unit cleans the outside of the outside window pane while the outside window pane slides, wherein the cleaning unit comprises: a cleaning frame joined to the fixing side MC of the outside window pane or the MC of the vermin screen; a water supply nozzle disposed at the cleaning frame to allow inflow of cleaning water from the outside; a cleaning water passage connected to the water supply nozzle and arranged inside the cleaning frame; at least one cleaning water injection nozzle connected to the cleaning water passage and mounted on the cleaning frame to spray the cleaning water toward the surface of an object to be cleaned; a cleaning blade protruding from the cleaning frame and facing the object to be cleaned; a blade support member rotatably joined to one side of the cleaning frame in a longitudinal direction; and a blade rotating lever having an end portion protrudingly formed at one side of the cleaning frame and the other end portion connected to the blade support member, wherein an end portion of one side of the cleaning blade is joined to one side of the blade support member to operate the blade rotating lever, and an end portion of the other side of the cleaning blade gets in contact with the surface of the object to be cleaned or is released from the contact state while the cleaning blade rotates, and wherein when the blade rotating lever is rotated, a screw thread of the blade support member engages with another screw thread which is formed on the outer circumference of an end portion of the blade rotating lever, so that the blade support member is rotated.