Suction box

Details Suction box Suction box

1990-08-30

1992-05-19

Arola, Dave W.

Pipe joints or couplings

Vacuum cleaner type

285 12, 285 64, 285119, 285205, 285901, F16L 2100

Patent

active

051141892

ABSTRACT:
The invention relates to a suction box for a central vacuum system, comprising a cover part (1) designed to be mounted against the exterior surface of a wall, a counterpart (2) of the cover part, designed to be mounted inside the wall, and a 90.degree. suction bend (3) designed to bend the suction tube inside the wall to a direction parallel to the plane of the wall. According to the invention, the counterpart (2) and the auction bend (3) constitute a solid integral body (4) comprising a supporting surface (5) resting against the interior surface of the wall board, a round-shaped mounting flange (6) raised from the supporting surface and designed to be placed in a hole in the wall, and curved and elongated attachment areas (7) to which the cover part (1) can be fastened.

REFERENCES:
patent: 3088484 (1963-05-01), Marsh
patent: 3676986 (1972-07-01), Reiling
patent: 3682500 (1972-06-01), Hamrick
patent: 4307901 (1981-12-01), Orberg

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