Patent ID: 7187146
Filing Date: 2007-03-06
Classification: E05F,E05Y,G05B

Abstract:
1. An opening-and-closing control device comprising: an operation knob which performs opening-and-closing control of an opening-and-closing body according to an instruction from an operation switch that is switchable to each of positions of “automatic closing”, “manual closing”, “neutral”, “manual opening” and “automatic opening”, manual opening operation control means by which the operation knob is operated to be situated in the position of the “manual opening”, thereby the opening-and-closing body is allowed to perform opening operation only while the operation knob is held in the position of the “manual opening”, manual closing operation control means by which the operation knob is operated to be situated in the position of the “manual closing” position, thereby the opening-and-closing body is allowed to perform closing operation only while the operation knob is held in the position of the “manual closing”, automatic opening operation control means by which the operation knob is operated to be situated in the position of the “automatic opening”, thereby the opening-and-closing body is allowed to continuously perform the opening operation, and automatic closing operation control means by which the operation knob is operated to be situated in the position of the “automatic closing”, thereby the opening-and-closing body is allowed to continuously perform the closing operation, wherein after the automatic opening operation is started, opening speed of the opening-and-closing body is increased according to a time period for which the operation knob is held in the position of the “automatic opening” or the “manual opening”.