-
公开(公告)号:US11441347B2
公开(公告)日:2022-09-13
申请号:US16805771
申请日:2020-02-29
Applicant: Hall Labs LLC
Inventor: David R Hall , Jerome Miles , David J Groesbeck
IPC: E05F15/686 , E05F15/684 , E05B65/00 , E06B3/70
Abstract: An overhead door opener for opening and closing an overhead door. A motor is coupled to a shaft and is configured to rotate the shaft to raise and lower the overhead door. The shaft is coupled to the overhead door. The overhead door opener also includes a one-way bearing coupling the motor to the shaft, wherein the one-way bearing is configured to transmit torque from the motor to the shaft, and not to transmit torque from the shaft to the motor.