A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/64
A47L 9/24 (2006.01) A47L 9/02 (2006.01)
Patent
CA 1293346
ABSTRACT OF THE DISCLOSURE For attaching a rigid coupling to a nozzle for relative rotational freedom between them and for reducing the noise level at the connection between them, the coupling has a generally cylindrical arm to be received in a cylindrical opening into the nozzle. The arm of the coupling has a nonmetallic, plastic sleeve placed thereover, which is preferably in the form of two half cylinders. Grooves in the nonmetallic sleeve reduce the area of frictional contact between the sleeve and the nozzle. The nonmetallic sleeve has tabs at one end for passing through a gap in a ring in the nozzle to connect the coupling and the nozzle, while permitting relative rotation.
566594
Marks & Clerk
Shop-Vac Corporation
LandOfFree
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