Communications: electrical – Condition responsive indicating system – Specified housing
Patent
1990-02-26
1990-12-04
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specified housing
150165, 383 71, 383 72, 383127, 340628, B65D 6502, B65D 8500
Patent
active
049756885
ABSTRACT:
A system for disabling and protecting a particulate detector (10) as necessitated by many building, construction, and maintenance projects is disclosed. The particulate detector (10) is typically mounted on a ceiling or vertical wall surface (12), and a jacket (22) is secured to a body portion (16) of the particulate detector (10). The jacket (22) includes a non-opaque plastic container (24) with an opening (34) on one end and being substantially sealed elsewhere. A flag (26) attaches to the container (24) and hangs downward when the jacket (22) is installed on the particulate detector (10). Moreover, an opening control device (28) couples to the container (24) near the opening (34) thereof to control the size of the opening (34) so that the particulate detector (10) may be substantially inserted into the jacket (22) and so that the jacket (22) may be secured to the particulate detector (10).
REFERENCES:
patent: 1164450 (1915-12-01), Bates
patent: 1633988 (1927-06-01), Jones
patent: 3722470 (1973-03-01), Farrell
patent: 4008851 (1977-02-01), Hirsch
patent: 4679037 (1987-07-01), Bryan et al.
Flickinger Don J.
Gresham Lowell W.
Meschkow Jordan M.
Swann III Glen R.
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