Abstract: A method and apparatus generates slack in a tensioned cable upon the presence of flame or excessive heat in a predetermined area. The apparatus comprises an enclosure having first, second, and third openings therein with the tensioned cable extending between the first and second openings; a pulley positioned on the cable intermediate the first and second openings the pulley having an eyelet extending therefrom; and a fusible disc secured to the third opening with the fusible disc having a hook extending therefrom and into the enclosure. The hook is attached to the eyelet of the pulley for restraining the pulley, and hence the tensioned cable, in a nonlinear or offset position with respect to the first and second openings. The fusible disc comprises a melting alloy which, upon reaching a known temperature level, undergoes a change in physical properties so as to allow the fusible disc to separate, thereby releasing restraint on the pulley and hence introducing slack into the tensioned cable.

Abstract: A dispenser reel assembly for automatically dispensing a fire extinguisher upon activation. This dispenser reel assembly is typically supported from an overhead support well above the floor, thereby protecting the fire extinguisher from damage and/or theft. To operate the assembly, a release plate covering a lower opening of a supporting frame is removed, thereby permitting the cable, and hence the suspended fire extinguisher, to be dispensed from the reel assembly via gravity. Typically, the fire extinguisher will come to rest about eight (8') feet above the floor so as not to inadvertently cause injury or damage. To lower the extinguisher further, a short retrieve rope is used to pull the extinguisher downwardly so that the extinguisher can either be used or removed from the dispenser reel assembly for use and/or inspection.

Abstract: An apparatus for collecting grease from a kitchen ventilator, which is mounted on the roof of a structure housing a restaurant. The apparatus fits around the exhaust fan of a kitchen ventilator and includes at least one layer of filtering medium which fits snugly about the exhaust fan, a rectangular frame for securing the layer of filtering medium about the exhaust fan, and a plurality of retaining bars for securing the layer of filter medium in the rectangular frame. The rectangular frame is comprised of four frame sections joined at each end with 90.degree. elbows. Each frame section comprises three tubes with supports fitted between the tubes. The 90.degree. elbows fit over and join the tubes of one frame section with the tubes of another frame section. The retaining bars are positioned between two tubes of opposing frame sections, above the layer of filtering medium.