Patent ID: 9453371
Filing Date: 2016-09-27
CPC Classification: E06B

Claim Text:
1. An electric rolling door, comprising: a rail; a rolling door coupled to the rail; a control module connected to the rolling door to control the rolling door to move along the rail; a rotating member pivotally provided beside the rail along an axis that is parallel to an extension direction of the rail; a sensing module provided on the axis to detect a rotation motion of the rotating member, the sensing module being electrically connected to the control module; and a weighting member freely pivotally connected to a bottom of the rolling door and comprising a weighting portion and a pressing portion, wherein the pressing portion extends to between the rail and the rotating member, wherein a first torque generated by the weighting portion relative to the rolling door is greater than a second torque generated by the pressing portion relative to the rolling door, and the first torque and the second torque are in opposite directions.