Portable fan removably and adjustably mountable in a hatch

Details Portable fan removably and adjustably mountable in a hatch Portable fan removably and adjustably mountable in a hatch

2007-04-10

2007-04-10

Olson, Lars A. (Department: 3617)

Ships

Ventilation

C454S078000, C454S136000

Reexamination Certificate

active

11350449

ABSTRACT:
A portable hatch-mounted fan that is removably mounted to an existing hatch of a boat or a recreational vehicle by a pair of fast action spring-type vertically adjustable clamps, which adjust to fit various hatch frame thicknesses. The clamps, clamp guide plates and guides are also horizontally adjustable on the fan frame to fit various sizes of hatch openings.

REFERENCES:
patent: 1722824 (1929-07-01), Roethel
patent: 2523933 (1950-09-01), Akester
patent: 4895065 (1990-01-01), Lamparter
patent: 4967569 (1990-11-01), Machen et al.
patent: 5344361 (1994-09-01), Matthias
patent: 6939219 (2005-09-01), Pollen

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