Patent ID: 9556664
Date: 2017-01-31
CPC Classifications: E05F,E05Y

Claim:
1. A motorized tilting window operator for installation on a tilting window having multiple tilting window sashes and multiple corresponding manual tilting window operators, the manual window operators spaced apart from each other and installed on a window frame of the tilting window, the motorized tilting window operator comprising: a first motorized drive unit connectable to one of the manual tilting window operators, the first motorized drive unit comprising a first housing having upper and lower longitudinal grooves; a second motorized drive unit connectable to another one of the manual tilting window operators, the second motorized drive unit comprising a second housing having upper and lower longitudinal grooves; an electronic control connected to and controlling the motorized drive units to open or close the titling window sashes of the tilting window; and a channel-shaped cover configured to removably connect to and cover the motorized drive units of the tilting window, the cover including upper and lower protrusions configured to snap fit into the upper and lower grooves of the first housing and the second housing to removably connect the cover to the drive units, wherein each of the motorized drive units comprises an electric motor, a drive shaft, a worm and a worm gear, wherein for each of the drive units, the drive shaft is fitted with the worm which cooperates with the worm gear, each of the drive shafts and the worm gears being received within a respective one of the housings, and wherein each of the worm gears is provided with a splined through hole for receiving a splined end of a drive shaft of the respective manual tilting window operator.