RETRACTABLE HOSE EXTENSION FOR A VACUUM

摘要

A retractable hose extension for a vacuum having an expandable hose (1) within a containment structure (2), a first coupling (9) at the first end (12) of the hose (1) and in the first end (8) of the containment structure (2) for connecting the hose (1) to a vacuum, a valve (15) at the second end (13) of the hose (1), and either a door (21) or other releasable retention device (21) for the hose (1). Preferably, the valve (15) is an iris valve. Two fixed embodiments and one portable embodiment exist. The first fixed embodiment is inserted within a wall (24). The second fixed embodiment is rotatably attached to a tube (29) contained within or running below a ceiling (30) and extending from a vacuum system.