Title: Furnace-door actuating sensor
Application Number: 200510014494 Application Date: 2005.07.15
Publication Number: 1896601 Publication Date: 2007.01.17
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: F24C15/02;A21B3/02
Applicant(s) Name: LG Electronic (Tianjin) Electric Appliances Co., L Address:
Inventor(s) Name: Zheng Zanmin
Attorney & Agent: wang yiwen
Abstract:
    This invention is fire door open and close sensing device. When the bar contacted with fire door is moving forwards, I contacts with the micro-switch and transfers signals. The device includes: the basal plate which is made of plates and forms the appearance. It has the set area for assembling components; the bar, which is set at one side of the basal plate. It moves forwards and afterwards by contacting with fire door; the micro-switch which is set at the side face of the bar and moves with bar; the elastic mechanism which is at one side of the bar and supplies elasticity to the bar. This invention can increase the durability of the micro-switch.
Time: 8