Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 49/4
Name: Movable or removable closures > Thermal releaser or actuator > Pull cable with fusible connection
Description: Device wherein the retaining means includes a cable which is grasped by hand to move the closure, e.g., against gravity or a biasing means, and wherein thermally responsive device will release the cable and permit the closure to return.

Patents under this class:

Patent Number Title Of Patent Date Issued
8181392 Automatic gate arm damage prevention system May. 22, 2012
7574826 Emergency door opening actuator Aug. 18, 2009
5377448 Door positioning system Jan. 3, 1995
5245879 Fail-safe fire door release mechanism having automatic reset Sep. 21, 1993
4648310 Smoke ventilation apparatus and method Mar. 10, 1987
4517765 Remotely controllable vent door May. 21, 1985
4104834 Fire vent Aug. 8, 1978
4068417 Fire vent Jan. 17, 1978
3977134 Vent closure arrangement Aug. 31, 1976

  Recently Added Patents
Vehicle, toy, and/or replicas thereof
LED light
Integrated circuit devices having conductive structures with different cross sections
Method for detecting security error in mobile telecommunications system and device of mobile telecommunications
Transferring storage devices within storage device testing systems
Systems and methods for providing power and data to lighting devices
Image forming apparatus and job request control method instructed by authenticated users
  Randomly Featured Patents
Method and apparatus for a network hub to diagnose network operation and broadcast information to a remote host or monitoring device
Drill with releasably mounted cutting head
Blow molding system for the manufacture of thermoplastic receptacles
Nerve growth factor production accelerators and compositions for preventing or treating neuronal degeneration
Cooling system for a main body used in a gas stream
Device for filling vessels
Gag press
Forming, filling and sealing machine, and methods for producing, filing and closing bags
Removing hydrocarbon impurities from acetic acid by ionic liquid extraction
Louver blind having magnetic mount